Patents Assigned to GM Global Technologies Operations LLC
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Publication number: 20190211772Abstract: An injector driver module includes: a first node that is connected to a first terminal of a fuel injector; a first switch configured to, when closed, connect a first potential of a battery to the first node; a second switch configured to, when closed, connect a second potential that is greater than the first potential to the first node; a second node that is connected to a second terminal of the fuel injector; and a third switch configured to, when closed, connect a ground potential to the second node. A switch control module is configured to, starting at a target injecting timing for a fuel injection event of the fuel injector: maintain the third switch closed; and switch the second switch using a pulse width modulated (PWM) signal having (i) a duty cycle that is less than 100 percent and (ii) a predetermined frequency.Type: ApplicationFiled: January 9, 2018Publication date: July 11, 2019Applicant: GM Global Technology Operations LLCInventors: Paolo CASASSO, Tiziana BELVEDERE, Umberto FERRARA, Luca CHIAPUSSO
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Patent number: 10343673Abstract: A hybrid powertrain system includes a method for managing electrical charging of a DC power source, which includes determining an initial charge-sustaining SOC setpoint and an initial charge-termination SOC setpoint. The DC power source is dynamically monitored. An adjustment to a charge-sustaining SOC setpoint is determined based upon the ambient temperature, the device temperature and the SOC of the DC power source, and an updated charge-sustaining SOC setpoint is determined based upon the adjustment to the charge-sustaining SOC setpoint and the initial charge-sustaining SOC setpoint. An electric energy equalization factor ? is determined, and an updated charge termination SOC setpoint can be determined based upon the electric energy equalization factor ?, the updated charge-sustaining SOC setpoint and the initial charge-sustaining SOC setpoint. Charging of the DC power source is controlled based upon the updated charge-termination SOC setpoint.Type: GrantFiled: June 27, 2017Date of Patent: July 9, 2019Assignee: GM Global Technology Operations LLC.Inventors: Wei Liu, Pablo Valencia, Jr., Leng Mao, Sudhakar Inguva, Ryan B. Moulliet
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Patent number: 10345385Abstract: Systems and methods are disclosed for estimating a state of a battery system such as a current-limited state of power and/or a voltage-limited state of power using a battery system model incorporating a nonlinear resistance element. Parameters of elements included in a battery cell model associated with a nonlinear resistance of a battery cell may be directly parameterized and used in connection with state estimation methods. By accounting for the nonlinear effect, embodiments of the disclosed systems and methods may increase available battery power utilized in connection with battery system control and/or management decisions over a larger window of operating conditions.Type: GrantFiled: October 20, 2015Date of Patent: July 9, 2019Assignee: GM Global Technology Operations LLC.Inventors: Charles W Wampler, Mark W Verbrugge, Brian J Koch, Patricia M Laskowsky
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Patent number: 10343724Abstract: A system and method for fabricating a vehicle structure includes a first portion and a second portion having a body cooperating with the first portion using an additive manufacturing process. The body of the second portion includes one or more projections extending from the body. A third portion includes at least one opening and operatively engages the one or more projections of the second portion.Type: GrantFiled: June 2, 2017Date of Patent: July 9, 2019Assignee: GM Global Technology Operations LLC.Inventors: Joseph M. Polewarczyk, Paul J. Wolcott, Justin C. Martin
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Patent number: 10343722Abstract: A system for a vehicle with a wheel housing includes a wheel well liner secured to the wheel housing and disposed in a wheel well defined by the wheel housing. The system further includes a heating element in contact with the wheel well liner and operable to heat the wheel well liner. A method of heating a wheel well liner includes determining whether an ambient temperature around the wheel well liner is less than a predetermined temperature, determining whether a weight of a load on the wheel well liner is greater than a predetermined weight, and activating a heating element in contact with the wheel well liner if the ambient temperature is less than the predetermined temperature and the weight on the wheel well liner is greater than the predetermined weight.Type: GrantFiled: August 18, 2016Date of Patent: July 9, 2019Assignee: GM Global Technology Operations LLC.Inventors: Michael A. Faucett, Jr., David T. Renke
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Patent number: 10344657Abstract: A system and method of reducing particulate matter accumulation in a diesel particulate filter of an exhaust system of a vehicle comprises operating the vehicle including an engine connected to the exhaust system in a drive mode. At least one parameter indicative of particulate matter accumulation in the diesel particulate filter is monitored and evaluated against a predetermined particulate matter accumulation limit. Control logic determines at least one operating parameter of the vehicle and adjusts the transmission assembly from a first transmission position to at least one second transmission position to increase engine speed and generate higher exhaust gas flow when the particulate matter accumulation is greater than the predetermined particulate matter accumulation to regenerate the diesel particulate filter.Type: GrantFiled: February 12, 2016Date of Patent: July 9, 2019Assignee: GM Global Technology Operations LLCInventor: Charles E. Dean
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Patent number: 10348236Abstract: A vehicle includes an electrically-driven motor configured to actuate a vehicle component and a power source configured to provide power to the motor over an electrical circuit. The vehicle also includes a controller programmed to monitor at least one signal indicative of motor output and store data indicative of a resistance in the circuit. The controller is also programmed to issue a resistance state of health signal in response to the resistance in the circuit exceeding a predetermined resistance threshold.Type: GrantFiled: October 25, 2016Date of Patent: July 9, 2019Assignee: GM Global Technology Operations LLC.Inventors: Wen-Chiao Lin, Xinyu Du, Youssef A. Ghoneim
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Patent number: 10345439Abstract: Methods and systems are provided for controlling a radar system of a vehicle. One or more transmitters are configured to transmit radar signals. A plurality of antennas or arrays are configured to receive return radar signals from the transmitting and other transmitting antennas after the transmitted radar signals are deflected from an object proximate the vehicle. A processor is coupled combined the various observation vectors into a virtual observation vector terminating at a single observation point.Type: GrantFiled: November 4, 2016Date of Patent: July 9, 2019Assignee: GM Global Technology Operations LLCInventor: Oded Bialer
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Patent number: 10343593Abstract: A method of augmented projection for vehicle passengers includes sensing that the passenger is within, or about to enter, a drop zone, and sensing one or more static obstacles within the drop zone. The method further includes highlighting at least one of the static obstacles with a projector mounted on the vehicle.Type: GrantFiled: October 10, 2017Date of Patent: July 9, 2019Assignee: GM Global Technology Operations LLC.Inventors: Gila Kamhi, Yael Shmueli Friedland, Asaf Degani, Kobi Nistel
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Patent number: 10347125Abstract: A system and method for communicating with a plurality of vehicles. The method includes receiving route information from a plurality of telematics units installed into each of the vehicles. The information may be collected as the vehicles are traveling along a vehicle route. The method further includes determining an eligibility of the vehicle route for use with a semi-autonomous driving system of the vehicles from at least the received route information. The method may also include communicating the eligibility of the vehicle route to the vehicles. The system includes a plurality of telematics units configured to collect route information as the vehicles are traveling along a vehicle route. The system further includes a database in communication with the plurality of telematics units. The database includes an eligibility of the vehicle route for use with a super cruise system of the vehicles.Type: GrantFiled: October 13, 2016Date of Patent: July 9, 2019Assignees: GM Global Technology Operations LLC, General Motors LLCInventors: Esteban Camacho, Alexander X. Cermak, Ryan Olejniczak, Curtis L. Hay, Praneeth Nelapati
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Patent number: 10347921Abstract: Systems and methods including a header flange to evenly distribute contact pressure across seals include, in some aspects, a plate including a bead and a flange edge. The bead includes a bead-side and a bead-corner. The flange edge defines an aperture through the plate. The flange edge also includes a first edge-portion proximate the bead-side and a second edge-portion proximate the bead-corner. The bead-side and the first edge-portion define a first edge-distance therebetween. The bead-corner and the second edge-portion define a second edge-distance therebetween. The second edge-distance is greater than the first edge-distance.Type: GrantFiled: February 17, 2017Date of Patent: July 9, 2019Assignees: GM Global Technology Operations LLC., Honda Motor Co., Ltd.Inventors: Liang Xi, Xi Yang, Ishida Kentaro, Siguang Xu, Satoshi Oyama, Yu Tomana, Richard D. Blakeley
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Patent number: 10345811Abstract: The present application generally relates to methods and apparatus for evaluating driving performance under a plurality of driving scenarios and conditions. More specifically, the application teaches a method and apparatus for testing a driving scenario repetitively while altering a parametric variation, such as fog level, in order to evaluate driving system performance under changing conditions.Type: GrantFiled: November 14, 2017Date of Patent: July 9, 2019Assignee: GM Global Technology Operations LLCInventors: Matthew E. Phillips, Dylan T. Bergstedt, Nandan Thor, Jaehoon Choe, Michael J. Daily
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Publication number: 20190202334Abstract: A cargo organizer for use on a load floor of a vehicle includes a first divider wall rotatably connected to the load floor and a second divider wall rotatably connected to the load floor and spaced apart from the first divider wall to define at least one storage compartment. The first divider wall and the second divider wall are configured to operate in a stowed position and in a deployed position. The cargo organizer also includes a linkage mechanism connected to the first divider wall and the second divider wall. The linkage mechanism is configured to move the first divider wall and the second divider wall from the stowed position to the deployed position when one of the first divider wall and the second divider wall is moved from the stowed position to the deployed position.Type: ApplicationFiled: January 2, 2018Publication date: July 4, 2019Applicant: GM Global Technology Operations LLCInventors: Milind T. BHIRUD, Timothy OSELETT, Jesse S. ROBERTS
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Publication number: 20190202350Abstract: A lighting system for an interior compartment of a vehicle includes an organic light emitting diode (OLED) configured to illuminate the interior compartment of the vehicle and a substrate configured to retain the OLED. The substrate is a trim component located in the interior compartment of the vehicle. A direct lighting system for an interior compartment of a vehicle includes an OLED and a housing. The housing includes an opening configured to allow light emitted from the OLED to illuminate the interior compartment of the vehicle. The housing may include a plurality of retaining tabs configured to retain the OLED. Alternatively, the housing may be disposed below the OLED and the direct lighting system may include a backing plate disposed above the OLED and a plurality of coupling members configured to affix the backing plate to the housing.Type: ApplicationFiled: January 2, 2018Publication date: July 4, 2019Applicant: GM Global Technology Operations LLCInventors: Xue TIAN, Nicolina M. CASANOVA
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Publication number: 20190207261Abstract: An electrolyte system for an electrochemical cell having an electrode comprising a chalcogen-containing electroactive material is provided, along with methods of making the electrolyte system. The electrolyte system includes one or more lithium salts dissolved in one or more solvents. The salts have a concentration in the electrolyte of greater than or equal to about 2M to less than or equal to about 5M. The electrochemical cell including the electrolyte system has a minimum potential greater than or equal to about 0.8 V to less than or equal to about 1.8 V and a maximum charge potential of greater than or equal to about 2.5 V to less than or equal to about 3 V.Type: ApplicationFiled: December 28, 2017Publication date: July 4, 2019Applicant: GM Global Technology Operations LLCInventors: Li Yang, Ning Kang, Mei Cai
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Patent number: 10336314Abstract: A low-voltage hybrid powertrain system for a vehicle includes an engine that is coupled via an engine disconnect clutch to an input member of the transmission, and a low-voltage electric machine is coupled to the transmission. The powertrain system operates in an electric vehicle (EV) mode with the engine in an OFF state and with the engine disconnect clutch in an open/deactivated state. When an output torque request indicates a command for vehicle acceleration, the electric machine is controlled to generate torque in response to the output torque request and the engine is simultaneously cranked and started. Upon starting, the engine operates in a speed control mode to activate the engine disconnect clutch. The engine and the low-voltage electric machine are controlled to generate torque in response to the output torque request when the engine disconnect clutch is activated.Type: GrantFiled: July 26, 2017Date of Patent: July 2, 2019Assignee: GM Global Technology Operations LLC.Inventors: Chunhao J. Lee, Neeraj S. Shidore, Norman K. Bucknor, K V Hebbale, Farzad Samie, Dongxu Li
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Patent number: 10339391Abstract: A method for determining wetness on a path of travel. A surface of the path of travel is captured by at least one image capture device. A plurality of wet surface detection techniques is applied to the at least one image. An analysis for each wet surface detection technique is determined in real-time of whether the surface of the path of travel is wet. Each analysis independently determines whether the path of travel is wet. Each analysis by each wet surface detection technique is input to a fusion and decision making module. Each analysis determined by each wet surface detection technique is weighted within the fusion and decision making module by comprehensive analysis of weather information, geology information, and vehicle motions. A wet surface detection signal is provided to a control device. The control device applies the wet surface detection signal to mitigate the wet surface condition.Type: GrantFiled: August 24, 2016Date of Patent: July 2, 2019Assignee: GM Global Technology Operations LLC.Inventors: Qingrong Zhao, Bakhtiar B. Litkouhi, Qi Zhang, Jinsong Wang
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Patent number: 10337383Abstract: A method for an engine employing an after-treatment (AT) system with an AT device for treating an engine exhaust gas includes detecting an actual concentration of a pollutant in the exhaust gas upstream of the AT device. The method additionally includes treating the exhaust gas via the AT device and directing the treated gas to an exhaust gas passage. The method also includes recirculating a portion of the treated exhaust gas from the exhaust gas passage to the engine's intake passage and determining efficiency of the AT device, after recirculating the portion of the treated exhaust gas, using the detected actual pollutant concentration. Furthermore, the method includes maintaining operation of the AT system when the determined AT device efficiency is at or above a predetermined value and activating a sensory signal indicative of the AT device having malfunctioned when the determined AT device efficiency is below the predetermined value.Type: GrantFiled: March 13, 2017Date of Patent: July 2, 2019Assignee: GM Global Technology Operations LLC.Inventors: Salvatore Trimboli, Davide Gessaroli, Valerio Formica
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Patent number: 10338150Abstract: System and methods for determining battery system energy capability in a vehicle are presented. A voltage offset of a battery system may be determined based on comparison of an open circuit voltage of the battery system and a measured voltage. An estimated remaining pack energy may be determined based, at least in part, on the voltage offset. Similarly, an estimated total pack energy may be determined based, at least in part, on the voltage offset. An energy capability of the battery system may be determined based on the estimated remaining pack energy and the estimated total pack energy.Type: GrantFiled: September 19, 2014Date of Patent: July 2, 2019Assignee: GM Global Technology Operations LLC.Inventors: Kurt M. Johnson, Brian J. Koch
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Patent number: 10338208Abstract: Methods and systems are provided for controlling a radar system of a vehicle. One or more transmitters are configured to transmit radar signals. A plurality of receivers are configured to receive return radar signals after the transmitted radar signals are deflected from an object proximate the vehicle. A processor is coupled to the plurality of receivers in order to determine when a plurality of detected objects correspond to a single object and to track the single object in a dynamic environment.Type: GrantFiled: October 27, 2016Date of Patent: July 2, 2019Assignee: GM Global Technology Operations LLCInventor: Oded Bialer