General Motors Patents

General Motors Company designs, builds and sells cars, trucks and automobile parts worldwide. Its main brands include Buick, Cadillac, Chevrolet and GMC. Outside of North America, it also markets vehicles under the Holden, Open and Vauxhall. In Asia, subsidiaries also design, manufacture, and market vehicles under the Alpheon, Baojun, Jiefan ang Wuling brands. The company provides automotive financing services through GM Financial.

General Motors Patents by Type

  • Publication number: 20190058342
    Abstract: A system of selecting charging modes for a rechargeable energy storage unit in an autonomous device includes a controller having a processor and tangible, non-transitory memory on which is recorded instructions. The controller is configured to determine availability of at least one charging station and at least one parking lot through a survey of local charging infrastructure and local parking infrastructure, respectively, within a predefined radius of the autonomous device. The controller is configured to determine if it is cost-effective during an excursion to incur a charging fee at the charging station or incur a parking fee at the parking lot. If it is cost-effective to incur the charging fee, then the controller is configured to selectively employ at least one of a plurality of charging modes, including an open-ended charging mode and a defined departure charging mode.
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Brandon R. Jones, Ryan Ashby, Tony Wingett, Margaret C. Richards, Matthew S. Stout, Cody D. Berman
  • Publication number: 20190058219
    Abstract: A highly-concentrated electrolyte system for an electrochemical cell is provided, along with methods of making the electrolyte system. The electrolyte system includes a bound moiety having an ionization potential greater than an electron affinity and comprising one or more salts selected from the group consisting of: lithium bis(fluorosulfonyl)imide, sodium bis(fluorosulfonyl)imide, potassium bis(fluorosulfonyl)imide, and combinations thereof bound to a solvent comprising one or more solvents selected from the group consisting of: dimethyl carbonate, dimethyl dicarbonate, and combinations thereof. The salts have a concentration in the electrolyte system of greater than or equal to about 4M. A molar ratio of the salts to the dimethyl carbonate is about 0.5. A molar ratio of the salts to the dimethyl dicarbonate is about 1.
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Applicant: GM Global Technology Operations LLC
    Inventors: Li Yang, Mei Cai, Fang Dai, Yingnan Dong
  • Publication number: 20190058211
    Abstract: A highly-concentrated electrolyte system for an electrochemical cell is provided, along with methods of making the highly-concentrated electrolyte system. The electrolyte system includes a bound moiety having an ionization potential greater than an electron affinity and comprising one or more salts selected from the group consisting of: lithium bis(fluorosulfonyl)imide (LiFSI), sodium bis(fluorosulfonyl)imide (NaFSI), potassium bis(fluorosulfonyl)imide (KFSI), and combinations thereof bound to a solvent comprising dimethoxyethane (DME). The one or more salts have a concentration in the electrolyte system of greater than about 4M, and a molar ratio of the one or more salts to the dimethoxyethane (DME) is greater than or equal to about 1 to less than or equal to about 1.5. The one or more salts binds to the dimethoxyethane (DME) causing the electrolyte system to be substantially free of unbound dimethoxyethane (DME) and unbound bis(fluorosulfonyl)imide (FSI?).
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Applicant: GM Global Technology Operations LLC
    Inventors: Li Yang, Mei Cai
  • Publication number: 20190056234
    Abstract: A method for planning and adapting a recommended travel route to a route destination for a vehicle having various subsystems includes identifying the route destination and receiving vehicle health management (VHM)/state of health (SOH) information for each subsystem. The vehicle with a controller programmed to execute the method is also disclosed. The method includes calculating route characteristics of candidate travel routes to the destination using the VHM information and determining, from among the candidate travel routes, travel routes for which the characteristics meet a respective threshold requirement. Thereafter, the controller executes a control action by displaying a candidate route meeting the threshold requirements. An occupant is prompted to revise the mission requirements when no candidate route exists. A default route to a designated parking location or repair depot may be displayed when none of the candidate routes meet the threshold requirements.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Wen-Chiao Lin, Xiaoyu Huang, Shengbing Jiang, Youssef A. Ghoneim, Chaitanya Sankavaram, Azeem Sarwar, Steven W. Holland
  • Publication number: 20190058215
    Abstract: Systems and methods of providing self-healing gel-type electrolyte composites for metal batteries are disclosed. According to aspects of the disclosure, a method includes preparing a ternary mixture including an electrolyte portion, a matrix precursor portion, and a self-healing portion, forming a self-healing gel-electrolyte membrane by initiating polymerization of the gel-forming precursor and the gel-forming initiator to thereby form a polymer matrix, and disposing the self-healing gel-electrolyte membrane between an anode and a cathode. The self-healing portion includes a self-healing precursor that is flowable and a self-healing initiator. The matrix precursor portion includes a gel-forming precursor and a gel-forming initiator. The electrolyte portion and the self-healing portion are disposed substantially throughout the polymer matrix and the polymer matrix includes a plurality of gel-forming active sites.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Applicant: GM Global Technology Operations LLC
    Inventors: Fang Dai, Mahmoud Abd Elhamid, Mei Cai, Anne M. Dailly, Robert M. Lapierre
  • Publication number: 20190054838
    Abstract: Disclosed herein are a system and method of selecting range for an electric device having a rechargeable energy storage unit. The system includes a controller having a processor and tangible, non-transitory memory on which is recorded instructions. A charging unit is configured to charge the rechargeable energy storage unit when plugged to the charging unit. An operator is requested to enter a selected range for the electric device. The controller is configured to determine if the selected range is less than a predetermined maximum range. If the selected range is less than the predetermined maximum range, the selected range is converted to a selected energy consumption based on a driving model of the operator. A target voltage is determined based on the selected energy consumption and predetermined parameters of the charging unit. The rechargeable energy storage unit is charged to the target voltage, via the charging unit.
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Jonathan J. Stec, Matthew S. Stout
  • Publication number: 20190056039
    Abstract: A fluid flow control device includes a resilient substrate translatable between a first flattened position and a second extended position, and an actuator attached to the resilient substrate. The actuator is configured for translating the resilient substrate from the first flattened position to the second extended position. The actuator is formed from a shape memory alloy transitionable between a first state and a second state in response to a change in temperature of the shape memory alloy. A fluid flow control system includes a rotor shield and the fluid flow control device attached to the rotor shield.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS LLC, Dynalloy, Inc.
    Inventors: Richard J. Skurkis, Paul W. Alexander, Anthony L. Smith, James H. Brown, Tyler P. Ownby, Xiujie Gao
  • Publication number: 20190056231
    Abstract: Systems and method are provided for participative map anomaly detection and correction. In one embodiment, a processor-implemented method for map anomaly detection is provided. The method includes receiving, by a processor in a vehicle, pre-planned trajectory data from a navigation module in the vehicle, retrieving, by the processor, sensor data from one or more vehicle sensing systems, analyzing, by the processor, the sensor data and the pre-planned trajectory data, identifying, by the processor, an anomaly from the analysis, and transmitting information regarding the anomaly to a central repository external to the vehicle wherein the central repository is configured to analyze the information regarding the anomaly to determine if a navigation map attribute is incorrect.
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Fan Bai, Donald K. Grimm, Robert A. Bordo, David E. Bojanowski
  • Publication number: 20190057261
    Abstract: A method of identifying a condition of a road surface includes capturing at least a first image of the road surface with a first camera, and a second image of the road surface with a second camera. The first image and the second image are tiled together to form a combined tile image. A feature vector is extracted from the combined tile image using a convolutional neural network, and a condition of the road surface is determined from the feature vector using a classifier.
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Wei Tong, Qingrong Zhao, Shuqing Zeng, Bakhtiar B. Litkouhi
  • Publication number: 20190055759
    Abstract: A mechanism configured to fasten a hood panel to a vehicle body for covering a vehicle under-hood compartment includes a pivotable latch. The latch has a primary catch portion that facilitates closure of the under-hood compartment via the hood panel. The latch also has a secondary catch portion that limits position of the hood panel within a predetermined distance from the vehicle body and generates an opening between the vehicle body and the hood panel. The latch additionally has a release handle that shifts into the opening to permit operator access to the release handle for releasing the secondary catch portion to uncover the under-hood compartment. The mechanism also includes a resilient element that selectively preloads the primary catch portion to facilitate closure of the under-hood compartment and preloads the secondary catch portion to limit the position of the hood panel within the predetermined distance from the vehicle body.
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Justin J. Roth, James M. Townson, James N. Nelsen, Ryan Calomeni
  • Publication number: 20190057272
    Abstract: A method of identifying a snow covered road includes creating a forward image of a road surface. The forward image is analyzed to detect a tire track in the forward image. When a tire track is detected in the forward image, a message indicating a snow covered road surface is signaled. When a tire track is not detected in the forward image, a rearward image, a left side image, and a right side image are created. The rearward image, the left side image, and the right side image are analyzed to detect a tire track in at least one of the rearward image, the right side image, and the left side image. A message indicating a snow covered road surface is signaled when a tire track is detected in one of the rearward image, the left side image, or the right side image.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Qingrong Zhao, Bakhtiar B. Litkouhi, Qi Zhang, Jinsong Wang, Wende Zhang, Jingfu Jin
  • Publication number: 20190054962
    Abstract: Disclosed are active variable-width aerodynamic spoiler assemblies, methods for making or for operating such active spoiler assemblies, and vehicles equipped with such active spoiler assemblies. A disclosed active spoiler assembly for modifying the aerodynamic performance of a motor vehicle includes a main body rigidly mounted to the vehicle body, extending transversely across the vehicle. The main body has an elongated construction with opposing longitudinal ends. First and second fins are each movably attached to a respective one of the opposing longitudinal ends of the main body. Also, first and second fin actuators are each attached to the vehicle body and attached to a respective one of the movable fins. The first fin actuator is selectively actuatable to independently move the first fin between respective retracted and extended positions, whereas the second fin actuator is selectively actuatable to independently move the second fin between respective retracted and extended positions.
    Type: Application
    Filed: August 15, 2017
    Publication date: February 21, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Caleb J. Potvin, Jason D. Fahland
  • Publication number: 20190054814
    Abstract: A prismatic battery stack includes a first lithium-ion battery cell and a second lithium-ion battery cell. The battery stack also includes a first channel disposed around the first lithium-ion battery cell and the second lithium-ion battery cell. The battery stack includes a second channel disposed around the first lithium-ion battery cell and the second lithium-ion battery cell. The first channel and the second channel serve as heat sinks.
    Type: Application
    Filed: August 18, 2017
    Publication date: February 21, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Evan J. Dawley
  • Patent number: 10207439
    Abstract: An apparatus or assembly for forming injection molded magnets in permanent magnet rotors or laminations for such rotors. The assembly includes a plurality of platens defining an axial boundary of a die cavity and a plurality of support shoes that are radially moveable between a closed position defining a radial boundary of the die cavity, and an open position creating a gap between the rotor core and the plurality of support shoes. The assembly has an injection system for filling at least one of the plurality of voids of the rotor core with a magnetic slurry, and a plurality of alignment magnets configured to magnetically align the magnetic slurry.
    Type: Grant
    Filed: February 6, 2017
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Edward L. Kaiser, Amanda Luedtke, Peter J. Savagian, Sinisa Jurkovic
  • Patent number: 10207677
    Abstract: An apparatus operable to provide a communication link between a passive entry and passive (PEPS) start system of a target vehicle and a user device operable to control the PEPS system, the apparatus comprising: i) a first wireless transceiver adapted to be installed in a first vehicle and configured to communicate with the user device and with a second wireless transceiver associated with a second vehicle; and ii) a master controller module configured in a blind rebroadcast mode: a) to receive via the first wireless transceiver a control message sent from a transmitting source and to transmit the control message via the first wireless transceiver to the second wireless transceiver associated with the second vehicle; and b) to receive via the first wireless transceiver a response message originated by the PEPS system of the target vehicle and to transmit the response message via the first wireless transceiver to the transmitting source.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: February 19, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Marcelo Lazarini, Alex Smith
  • Patent number: 10207758
    Abstract: A kickstand assembly includes a post and a seat. A bicycle includes a frame and the kickstand assembly coupled to the frame. The post is disposed along a longitudinal axis and includes a first distal end and a second distal end. The seat is disposed at the first distal end of the post. The seat is movable between a use position and a non-use position. The kickstand assembly includes a kickstand disposed at the second distal end of the post, and extends outwardly away from the post transverse to the longitudinal axis. The kickstand is movable between a use position and a non-use position. The seat and the kickstand are fixed relative to each other at the respective first and second distal ends of the post such that movement of the seat to the non-use position directly causes movement of the kickstand to the use position.
    Type: Grant
    Filed: June 23, 2017
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Miranda P. Steinhauser, Wade W. Bryant, Jess R. Bailie
  • Patent number: 10207666
    Abstract: A bumper for a vehicle includes a bumper crossbeam and two crash boxes extending away from a back of the bumper crossbeam. A one-piece blank made of fiber-reinforced sheet material extends from a wall section of the bumper crossbeam connecting the crash boxes, right into the crash boxes.
    Type: Grant
    Filed: June 16, 2017
    Date of Patent: February 19, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Stefan Holderried, Tommy Hechtel, Fabian Fuerst
  • Patent number: 10208848
    Abstract: A fluid containing component is provided having a structure and a sump for storing a fluid. A gear baffle is disposed between the rotatable component and the structure. The gear baffle includes a first side end and a second side defining a gear cavity therebetween. The fluid displaced by rotation of a gear positioned within the gear baffle collects on inner surfaces of the gear baffle and is directed out of the gear baffle through at least one flow port of the baffle.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: February 19, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Mohammad A. Hotait, Avinash Singh, Ahmet Kahraman, David Talbot, Samuel Shon
  • Patent number: 10207592
    Abstract: A power generation platform for delivering power to an external load includes an electrical system mounted to an autonomously-controlled chassis. The chassis has a powertrain that is responsive to control signals from a controller. The electrical system includes a fuel cell or other clean power supply for propelling the chassis, a direct current (DC) charging unit, a turbojet, a battery pack, and one or more electric machines. The DC charging unit and the battery pack are selectively connectable to the external load to deliver power to the external load, e.g., a propulsion battery pack of a vehicle or other system. The turbojet has a compressor, combustion chamber, and turbine, and injects low-emissions fuel into and combusts the fuel in the combustion chamber. The electric machine(s) are rotatably coupled to the compressor and/or the turbine to generate and transmit electricity to the battery pack.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Steve A. Warden, Jarvis Chau, Ralph D. Schlottke
  • Patent number: 10208684
    Abstract: An internal combustion engine includes a method for operating including, determining, using an accelerator pedal position sensor, an operator request for power and determining an engine operating point based upon the operator request for power. A motored-cylinder temperature is determined based upon the engine operating point, and a knock-limited combustion phasing point is determined based upon the motored-cylinder temperature and the engine operating point. Engine operating parameters associated with achieving the knock-limited combustion phasing point are selected. Operation includes controlling, by a controller, engine control states in response to the engine operating parameters associated with achieving the knock-limited combustion phasing point and the operator request for power.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Yongsheng He, Jim Liu, David Sun, Jonathan T. Shibata
  • Patent number: 10207559
    Abstract: A device includes a plurality of tires, a suspension system operatively connected to the plurality of tires, at least one suspension sensor operatively connected to the suspension system and configured to provide suspension data (S), and a controller operatively connected to the at least one suspension sensor and having a processor for executing a method for determining respective tire normal forces (Fzi(t), i=1 . . . n) for one or more of the plurality of tires, based at least partially on the suspension data (S), the respective tire normal forces being operative to adjust operation of the wheeled device. Execution of the instructions by the processor causes the controller to determine a transformation matrix (Ts) based on a plurality of predefined parameters. The controller is configured to obtain the respective tire normal forces (Fzi(t), i==1 . . . n) via the following equation: {tilde over (F)}z=[TS+?S(p)]{tilde over (S)}+Tu?.
    Type: Grant
    Filed: June 15, 2017
    Date of Patent: February 19, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Shih-Ken Chen, Valery Pylypchuk
  • Patent number: 10208697
    Abstract: A powertrain assembly includes an engine having at least one cylinder and at least one electric machine operatively connected to the engine. A motor speed sensor is operatively connected to and configured to obtain motor speed data of the electric machine. A controller is operatively connected to the motor speed sensor. The controller including a processor and tangible, non-transitory memory on which is recorded instructions for executing a method for detection of firing irregularities in the at least one cylinder. Execution of the instructions by the processor causes the controller to obtain the motor speed data at a predefined time interval from the motor speed sensor, until a predefined time window is reached. A fast Fourier transform of the motor speed data during the predefined time window is obtained. The controller is configured to control the engine based at least partially on the fast Fourier Transform.
    Type: Grant
    Filed: October 26, 2016
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventor: Martin E. Rosalik, Jr.
  • Patent number: 10208699
    Abstract: A direct-injection internal combustion engine is described and includes a pressure sensor that is disposed to monitor in-cylinder combustion pressure. A method, executed as a control routine in an attached controller, includes monitoring engine speed, engine load, temperature and combustion pressure. Combustion variation parameters are determined based upon the combustion pressure. A desired state for a combustion parameter can be determined based upon the engine speed, the engine load, and the temperature, and an adjustment to the desired state for the combustion parameter can be determined based upon the combustion variation parameters, wherein the adjustment to the desired state is selected to achieve acceptable states for the combustion variation parameters. Operation of the internal combustion engine is controlled based upon the desired state for the combustion parameter and the adjustment to the desired state for the combustion parameter.
    Type: Grant
    Filed: July 5, 2017
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Yiran Hu, Jun-mo Kang, Steven E. Muldoon, Chen-fang Chang
  • Patent number: 10208696
    Abstract: Disclosed are engine torque and emission control (ETEC) systems, methods for using such systems, and motor vehicles with engines employing ETEC schemes. An ETEC system is disclosed for operating an internal combustion engine (ICE) assembly. The system includes an engine sensor for monitoring engine torque, an exhaust sensor for monitoring nitrogen oxide (NOx) output of the ICE assembly, and an engine control unit (ECU) communicatively connected to the engine sensor, exhaust sensor, and ICE assembly.
    Type: Grant
    Filed: October 21, 2016
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Yue-Yun Wang, Ibrahim Haskara, Chen-fang Chang
  • Patent number: 10211477
    Abstract: A fuel cell stack assembly is provided which includes a first bipolar plate, a second bipolar plate, a sub-gasket, and a gas diffusion layer. The second bipolar plate may define a bypass channel with the first bipolar plate. The bypass channel includes at least one embossment formed therein. The gas diffusion layer may be disposed between the first bipolar plate and the second bipolar plate while the sub-gasket is sandwiched between metal bead seals formed in each of the first bipolar plate and the second bi-polar plate.
    Type: Grant
    Filed: August 10, 2016
    Date of Patent: February 19, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Matthew J. Beutel, Jeffrey D. Williams, Robert C. Thompson
  • Patent number: 10208655
    Abstract: An internal combustion engine is described, and includes a method for operating that includes determining an observed carbon monoxide (CO) ratio in an exhaust gas feedstream, determining an observed in-cylinder scavenging based upon the observed CO ratio in the exhaust gas feedstream, and controlling, by a controller, control states for the variable cam phasing system to control opening times of engine intake valves in relation to closing times of engine exhaust valves based upon the observed in-cylinder scavenging.
    Type: Grant
    Filed: March 13, 2015
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Jim Liu, Yongsheng He
  • Patent number: 10211473
    Abstract: A fuel cell flow field plate providing a uniform gas flow pressure includes a first metal plate and a second metal plate. The first metal plate defines a first opening for providing a first reactant gas to a fuel cell with a first metal bead that surrounds the first opening. The first metal bead is an embossment in the second metal plate that defines a first channel. The first metal plate also defines a first pressure distributing structure that decreases pressure variation is a seal formed with the first metal bead. A second metal plate aligns with the first metal plate.
    Type: Grant
    Filed: November 21, 2016
    Date of Patent: February 19, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Xi Yang, Ivan D. Chapman, Siguang Xu, Liang Xi
  • Patent number: 10211452
    Abstract: A lithium ion battery component includes a support selected from the group consisting of a current collector, a negative electrode, and a porous polymer separator. A lithium donor is present i) as an additive with a non-lithium active material in a negative electrode on the current collector, or ii) as a coating on at least a portion of the negative electrode, or iii) as a coating on at least a portion of the porous polymer separator. The lithium donor has a formula selected from the group consisting of Li8-yMyP4, wherein M is Fe, V, or Mn and wherein y ranges from 1 to 4; Li10-yTiyP4, wherein y ranges from 1 to 2; LixP, wherein 0<x?3; and Li2CuP.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: February 19, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Meng Jiang, Bob R. Powell, Jr., Jung-Hyun Kim
  • Patent number: 10208716
    Abstract: An internal combustion engine system includes a first EGR valve to control flow in a first flow path, and a second EGR valve to control flow in a second flow path. A temperature sensor is disposed in the exhaust gas feedstream upstream of the exhaust purifying device, and a controller is in communication with the internal combustion engine and the temperature sensor and is operatively connected to the first and second EGR valves. The controller executes a routine to monitor the temperature of the exhaust gas feedstream upstream of the exhaust purifying device and control the first valve to control flow of exhaust gas to the air intake system via the first flow path and control the second valve to control flow of exhaust gas to the air intake system via the second flow path based upon the temperature of the exhaust gas feedstream upstream of the exhaust purifying device.
    Type: Grant
    Filed: December 14, 2016
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Armando Mogavero, Antonio Rodio
  • Patent number: 10211855
    Abstract: A apparatus for dynamically modifying filter characteristics of a delta-sigma modulator in order to receive and transmit radio frequency signals over a wide frequency range. The system is used for wide bandwidth radio system designed to adapt to various global radio standards and, more particularly, to a cellular radio architecture that employs a combination of a single circulator, programmable band-pass sampling radio frequency (RF) front-end and optimized digital baseband that is capable of supporting all current cellular wireless access protocol frequency bands.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations, LLC
    Inventors: Cynthia D. Baringer, Mohiuddin Ahmed, Hsuanyu Pan, Yen-Cheng Kuan, James Chingwei Li, Emilio A. Sovero, Timothy J. Talty
  • Patent number: 10211990
    Abstract: A method of transmitting data within a vehicle includes: storing two copies of a data message; constructing at an electronic control unit (ECU) a serial bus message that includes one copy of the data message and a message authentication code (MAC) created using a secret key stored at the ECU, a MAC algorithm, and a different copy of the data message; transmitting the serial bus message to a receiving ECU over a vehicle bus; authenticating the serial bus message at the receiving ECU using a copy of the key stored at the receiving ECU by creating a copy of the MAC from the data message included in the serial bus message and the copy of the key; comparing the MAC from the serial bus message with the copy of the MAC created at the receiving ECU; and rejecting or accepting the data message based on the comparison.
    Type: Grant
    Filed: July 20, 2016
    Date of Patent: February 19, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: David M. Nairn, Thomas M. Forest, Padma Sundaram, Mohammed Abdulla Yousuf
  • Publication number: 20190047385
    Abstract: Systems and methods are provided for sun protection for an occupant of a vehicle having at least one window. The method includes receiving, by a processor, an input from a source that identifies a selected location for sun protection on the at least one window; determining, by the processor, a coordinate location on the at least one window associated with the selected location; and outputting, by the processor, one or more control signals to a first image output system of a first projector to output a first image onto the at least one window at the coordinate location to provide sun protection for the occupant.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Alex M. Archer
  • Publication number: 20190049262
    Abstract: Disclosed are vehicle communications networks for adapting user information using crowd-sensed contextual data, computer-executable instructions for provisioning such content/information, and vehicles equipped with a telematics system for adapting driver information using contextual data from vehicle participatory sensing systems. A disclosed method for provisioning information to occupants of a motor vehicle includes determining trip characteristics, including vehicle and driver data, for a current trip of the vehicle, and determining trip characteristics for previous trips that correspond to the current trip. The vehicle's communications system receives, over a distributed computer network from a vehicle participatory sensing system aggregating data from participative vehicles, operational data for the current trip as sensed by the participative vehicles.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Donald K. Grimm, Fan Bai, David E. Bojanowski, Omer Tsimhoni
  • Publication number: 20190047379
    Abstract: A method of fabricating a laminated glass panel assembly having inner and outer glass layers includes masking a designated area of the inner glass layer to define an index feature and printing a first blackout layer onto the inner glass layer such that the first blackout layer is not present on the index feature. The method may include unmasking the index feature after printing the first blackout layer, then printing a second blackout layer onto a major surface of the outer glass layer. The major surface overlaps or covers the index feature such that the index feature is not visible to a human observer through the outer glass layer, but is detectable through the outer glass layer using a controller and machine vision logic. A glass panel assembly having the index feature is also described herein, as is a system for making the glass panel assembly.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: David G. Meller
  • Publication number: 20190048770
    Abstract: An engine assembly includes a diesel internal combustion engine and an aftertreatment system coupled to the diesel internal combustion engine. The aftertreatment system includes a diesel oxidation catalyst coupled to the diesel internal combustion engine such that the diesel oxidation catalyst receives exhaust gases from the diesel internal combustion engine. The aftertreatment system includes a plasma generator in fluid communication with the diesel oxidation catalyst, wherein the plasma generator is upstream of the diesel oxidation catalyst and downstream of the diesel internal combustion engine, and the plasma generator is configured to generate oxidizers to at least partially oxidize hydrocarbons in the exhaust gases exiting the diesel internal combustion engine.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 14, 2019
    Applicant: GM Global Technology Operations LLC
    Inventors: Lei Wang, Gongshin Qi, Wei Li
  • Publication number: 20190047617
    Abstract: An electric power steering (EPS) system and methods to attenuate disturbances at the steering wheel by providing a feed forward motor drive input. The EPS includes an electric motor configured to provide a motor drive output responsive to a motor drive input, and an electronic control unit (ECU) being configured to provide the motor drive input, with at least one motor drive component of the motor drive input including compensatory periodic disturbance data. The ECU is further configured to provide disturbance attenuation with the at least one motor drive component from a road wheel signal and vibratory characteristics of a disturbance signal affecting the steering system.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Kenneth L. Oblizajek, John D. Sopoci
  • Publication number: 20190048637
    Abstract: A check link assembly includes a link movable between a first position and a second position. Furthermore, a vehicle includes the check link assembly. The check link assembly also includes a braking apparatus coupled to the link. The braking apparatus includes a brake member movable between an applied position and a released position. The brake member is configured to apply a force to the link when the brake member is in the applied position. The brake member is configured to release the link when the brake member is in the released position.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Chris J. T. Wisniewski, James C. O'Kane, Doru N. Serban
  • Publication number: 20190047544
    Abstract: A method of decoupling output torque from input torque during engine speed control of a hybrid powertrain for a vehicle comprises determining, via a controller, a virtual output torque required on an output member of a multi-mode transmission given a virtual input torque commanded on an input member of the multi-mode transmission for engine speed control in a selected mode of the multi-mode transmission such that rotational speed of the output member is unchanged to prevent undesired torque variation at the output member. The controller determines the virtual output torque via a first stored transfer function relating virtual output torque to virtual input torque based on modeled physical dynamics of the vehicle driveline for the selected mode of the multi-mode transmission. A hybrid powertrain includes an engine and a hybrid transmission, and a controller that controls the hybrid transmission according to the method.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Shaochun Ye
  • Publication number: 20190051069
    Abstract: Methods and a system are disclosed for providing autonomous driving system functions. The system includes a controller providing functions for automated user recognition in the autonomous vehicle, at least one environmental sensor configured to scan an environment of the autonomous vehicle and to transmit scan data of the environment to a biometric recognition module of the autonomous vehicle, and a biometric recognition module configured to analyze the scan data of the environment based on a gesture recognition algorithm by using a processor. The gesture recognition algorithm analyzes the scan data of the environment based on at least one biometric feature by using the processor. The at least one biometric feature comprises at least a flagging down gesture and the controller is configured to stop the autonomous vehicle at a position relative to the user and to configure the autonomous vehicle to offer to the user the use of the autonomous vehicle.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Robert B. Cooley
  • Publication number: 20190048970
    Abstract: An isolator assembly includes a clutch configured to operate in a full locked condition and a slip condition. Additionally, the isolator assembly includes a damper and a centrifugal pendulum absorber (CPA). The damper is configured to reduce oscillation when the clutch is in one of the full locked condition and the slip condition. The damper includes a blade that is biasable. The CPA is coupled to the damper and configured to reduce oscillation when the clutch is in one of the full locked condition and the slip condition. A vehicle includes an engine and a transmission. The engine includes an output shaft and the transmission includes an input member. The vehicle includes the isolator assembly operable between the output shaft and the input member.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Farzad Samie, Derek F. Lahr, Dongxu Li
  • Publication number: 20190050032
    Abstract: Methods and systems are provided for controlling a temperature of a processor of a controller. In one embodiment, a method includes: identifying a status of at least one task of a plurality of software tasks performed on a first processor to be a hot task based on the software task's contribution to a temperature of the first processor; and selectively controlling the temperature of the first processor based on the identified status.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Shige Wang, Mark A. Zerbini, Unmesh Dutta Bordoloi, Soheil Samii, Massimo Osella
  • Publication number: 20190051283
    Abstract: Methods and apparatus are provided for controlling noise in a cabin of a vehicle. In various embodiments, a method for controlling noise in a cabin of a vehicle includes measuring a first sound via a microphone in the cabin; obtaining a second sound from a loudspeaker of the cabin; estimating, via a processor, a third sound at a virtual location that is remote from both the microphone and the loudspeaker, using the first sound, the second sound, and one or more transfer functions; and applying active noise cancellation for the cabin based on the third sound at the virtual location.
    Type: Application
    Filed: August 14, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Ilan Malka, Eli Tzirkel-Hancock, Scott M. Reilly, Frank C. Valeri
  • Publication number: 20190049517
    Abstract: A method in a motor controller for an electric motor is disclosed. The method includes receiving a motor current measurement, a motor reference voltage or measured voltage, and an estimated temperature from the electric motor, determining a reference flux linkage estimate (?pm,ref) from a lookup table based on the motor current measurement and the estimated temperature, determining a back-EMF (electromotive force) estimate based on the motor current measurement, the motor voltage and the estimated temperature, determining an observed flux linkage estimate (?pm,obs) from the back-EMF estimate, determining a magnetic strength as a ratio of the observed flux linkage estimate to the reference flux linkage estimate, and determining that a rotor magnet has been demagnetized to an unacceptable level when the magnetic strength is below a threshold level.
    Type: Application
    Filed: August 11, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Gilsu Choi, Anno Yoo, Dwarakanath V. Simili
  • Publication number: 20190047562
    Abstract: A system and method of mitigating errors in a device includes a controller having a processor and tangible, non-transitory memory on which is recorded instructions. The propulsion source is configured to generate propulsion torque in response to a command by the controller. The controller is configured to determine if at least one predefined enabling condition is met. If at least one predefined enabling condition is met, then the controller is configured to determine if a speed of the device is at a target speed. Operation of the device is controlled based at least partially on the speed of the device. If the speed of the device is above or below the target speed, the controller is configured to determine a propulsion torque sufficient to bring the device to the target speed. The propulsion torque is delivered to the device via the propulsion source.
    Type: Application
    Filed: August 8, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Nathaniel S. Michaluk
  • Publication number: 20190048764
    Abstract: A tensioner assembly for an engine timing drive includes a tensioner with a tensioner body having a fastener opening and defining a cavity with a plunger opening. A plunger is disposed in the cavity and a removable pin restrains the plunger in the cavity. The plunger is configured to be biased out of the plunger opening when the pin is removed. A protuberance extends outward from the tensioner body and is adapted to receive an applied torque. The tensioner body is configured to pivot about a center axis of the fastener opening in response to a predetermined torque applied to the protuberance. A method of assembling an engine timing drive includes applying a predetermined torque to a protuberance of a tensioner that is pivotably mounted to a cylinder block to rotate the tensioner toward a rotatable device such that the tensioner applies a predetermined load to the rotatable device.
    Type: Application
    Filed: August 10, 2017
    Publication date: February 14, 2019
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Robert Gallon, David E. Mann, Charles L. Nicholson
  • Patent number: 10203362
    Abstract: System and methods for estimating a state if a fuse are presented. In some embodiments, the disclosed systems and methods may be utilized in connection with estimating a state of a fuse associated with a manual service disconnect associated with an energy storage system included in a vehicle. Consistent with embodiments disclosed herein, a current event counting-based method utilizing one or more weighted time data buckets associated with various current levels may be used in connection with estimating MSD fuse life. In some embodiments, a MSD fuse end-of-service life signal may be triggered when a total time associated in the weighted time data buckets exceed a threshold value.
    Type: Grant
    Filed: May 22, 2015
    Date of Patent: February 12, 2019
    Assignee: GM Global Technology Operations LLC
    Inventors: Wei Liu, Pablo Valencia, Jr., M. Saif Siddiqui, Michael A. Celotto, Majdi F. Fakhoury, John J. Lee
  • Patent number: 10203698
    Abstract: A system and method for providing a map via a cloud-based system is disclosed. The method includes requesting, by a controller of an autonomous vehicle, a map data from a cloud-based server. The map data is stored on the cloud-based server. The method also includes receiving map data from the cloud-based server. The method also includes autonomously navigating the autonomous vehicle based on the received map data.
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: February 12, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Sayyed Rouhollah Jafari Tafti, Soheil Samii, Fan Bai, Michael A. Losh
  • Patent number: 10203005
    Abstract: A passive opening transmission clutch system includes a backing plate having multiple tab slots, each of the tab slots having a tapered wall. A first reaction plate has multiple first tapered spline teeth oriented transverse to a plane of the first reaction plate. The first tapered spline teeth are positioned at least partially in individual ones of the tab slots in a clutch disengaged condition. The first tapered spline teeth when displaced further into the tab slots and toward the backing plate define a clutch engaged condition. A first friction plate is in frictional contact with the first reaction plate in the clutch engaged condition, the first friction plate when rotated generating a rotational force on the first reaction plate. The rotational force acts against the first tapered spline teeth to induce the first reaction plate to slidably move away from the backing plate.
    Type: Grant
    Filed: November 1, 2016
    Date of Patent: February 12, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Daryl A. Wilton, James M. Hart
  • Patent number: 10205216
    Abstract: A connector assembly that provides a proper impedance connection between a CPW antenna mounted on automotive glass to a FAKRA-type connector. The connector assembly includes a PCB having a top surface and a bottom surface and being adhered to the glass. Vias are provided through the PCB to make electrical contact between metallization planes on the top surface and the bottom surface of the PCB. Terminals that are part of the connector extend through some of the vias, where ground terminals provide mechanical stability and make electrical contact with the metallization planes on the bottom surface of the PCB and a signal terminal provides an electrical connection to the antenna radiating element. The PCB is adhered to a substrate on which the antenna is mounted so that the metallization planes and microstrip lines make electrical contact with a CPW feed structure that feeds the antenna.
    Type: Grant
    Filed: May 1, 2017
    Date of Patent: February 12, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Timothy J. Talty, Keerti S. Kona, Hyok Jae Song, James H. Schaffner, Amit M. Patel, Duane S. Carper, Eray Yasan
  • Patent number: D840885
    Type: Grant
    Filed: December 19, 2017
    Date of Patent: February 19, 2019
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Christine Park Cheng