Patents Assigned to GM
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Publication number: 20230268478Abstract: A method of fabricating an electrode is provided. The method includes adding one or more dry powders to an extruder barrel of an extruder at a first location, adding one or more solvents to the extruder barrel at a second location that is downstream of the first location to form a material mixture, applying a mixing force to the material mixture to form a paste, and extruding the paste as a continuous film onto one or more surfaces of a current collector to form the electrode. The one or more dry powders include an electroactive material. The paste is a homogeneous semi-solid having a solids content greater than or equal to about 60% to less than or equal to about 90%. The continuous film has a thickness greater than or equal to about 50 ?m to less than or equal to about 500 ?m.Type: ApplicationFiled: February 18, 2022Publication date: August 24, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: William R. Rodgers, Cameron Christopher ROSE, Xiaosong HUANG
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Patent number: 11731570Abstract: The present disclosure provides a header for a vehicle upper body structure. The header includes an elongated body extending between a first side and a second side. The elongated body includes a polymer and a plurality of fibers. The elongated body includes a front end and a back end. The front end is configured to be coupled to a windshield. The back end is configured to be coupled to a roof. At least a portion of the elongated body has a transparency of greater than or equal to about 4%.Type: GrantFiled: August 18, 2021Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bradley A. Newcomb, Joung Min Choi, Julien P. Mourou
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Patent number: 11731524Abstract: A system for matching a plurality of electrically powered vehicles to a plurality of available mobile chargers includes a computerized server device programmed to monitor optimization inputs related to the plurality of available mobile chargers, monitor optimization inputs related to the plurality of electrically powered vehicles operated by a plurality of customers, determine a lowest-cost-based ranked listing of matched charger and vehicle pairings for each of the plurality of customers based upon the optimization inputs related to the plurality of available chargers and the optimization inputs related to the plurality of the electrically powered vehicles, present the ranked listing of matched charger and vehicle pairings to each of the customers, monitor selection by each of the plurality of customers of a desired charger for the customer from the ranked listing, and direct each of the plurality of customers to the desired charger for the customer.Type: GrantFiled: May 28, 2019Date of Patent: August 22, 2023Assignee: GM Global Technology Operations LLCInventors: Alan B. Martin, Matthew C. Kirklin, Charles E. Freese, V, Margarita M. Mann, William H. Pettit
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Patent number: 11735124Abstract: A reflective display device includes a layer of pigment material that is divided into a plurality of pixels, the pigment material in each pixel displaying information by reflecting light. The reflective display device further includes a light source embedded in the layer of a pigment material, wherein the light source emits light that is reflected by the pigment material.Type: GrantFiled: December 2, 2021Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jonglee Park, Susan Carol Ellis
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Patent number: 11731490Abstract: A refrigerant system includes a compressor, multiple pressure sensors, multiple refrigerant flow valves, and a processor. The compressor is configured to present a refrigerant at a first pressure. A first pressure sensor is configured to measure the first pressure of the refrigerant. A second pressure sensor is configured to measure a second pressure of the refrigerant. The refrigerant flow valves have a plurality of flow valve positions. The processor is configured to calculate a delta value as a difference between the first pressure and the second pressure, calculate an expected delta value between the first pressure and the second pressure based on a ratio of a low-side density of the refrigerant at the compressor to the flow valve positions, and perform a remedial action where the delta value deviates from the expected delta value by greater than a threshold value.Type: GrantFiled: July 14, 2021Date of Patent: August 22, 2023Assignee: GM Global Technology Operations LLCInventor: Kale Bateman
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Patent number: 11731639Abstract: A vehicle having an imaging sensor that is arranged to monitor a field-of-view (FOV) that includes a travel surface proximal to the vehicle is described. Detecting the travel lane includes capturing a FOV image of a viewable region of the travel surface. The FOV image is converted, via an artificial neural network, to a plurality of feature maps. The feature maps are projected, via an inverse perspective mapping algorithm, onto a BEV orthographic grid. The feature maps include travel lane segments and feature embeddings, and the travel lane segments are represented as line segments. The line segments are concatenated for the plurality of grid sections based upon the feature embeddings to form a predicted lane. The concatenation, or clustering is accomplished via the feature embeddings.Type: GrantFiled: March 3, 2020Date of Patent: August 22, 2023Assignee: GM Global Technology Operations LLCInventors: Netalee Efrat Sela, Max Bluvstein, Dan Levi, Noa Garnett, Bat El Shlomo
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Patent number: 11735744Abstract: A battery electrode, and a method for fabricating the battery electrode are described. The battery electrode includes a current collector having a woven mesh planar sheet that is composed of metallic strands. The metallic strands define a multiplicity of interstitial spaces, and the woven mesh planar sheet includes a first surface and a second surface. An active material including lithium is embedded in the interstitial spaces of a first portion of the woven mesh planar sheet, and an electrical connection tab arranged on a second portion of the woven mesh planar sheet.Type: GrantFiled: April 28, 2021Date of Patent: August 22, 2023Assignee: GM Global Technology Operations LLCInventors: Anil K. Sachdev, Leng Mao, Louis G. Hector, Jr., Andrew C. Bobel
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Patent number: 11735138Abstract: A projection system includes a projection device and a control module. The projection device is configured to project (i) a first image in a first virtual image plane, and (ii) a second image in a second virtual image plane, wherein the second virtual image plane is further from an eyebox than the first virtual image plane. The control module is configured to: determine an ambient light luminance level; determine a first luminance level for the first virtual image plane based on the ambient light luminance level; determine a second luminance level of the second virtual image plane based on the first luminance level of the first virtual image plane; and control the at least one projection device to display (i) the first image in the first virtual image plane having the first luminance level, and (ii) the second image in the second virtual image plane having the second luminance level.Type: GrantFiled: April 22, 2021Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Thomas A. Seder, Kai-Han Chang
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Patent number: 11735776Abstract: The present disclosure provides an electrolyte system for an electrochemical cell that cycles lithium ions. The electrolyte system may include an aliphatic fluorinated disulfonimide lithium salt in a mixture of organic solvents. The mixture of organic solvents may include a first solvent and a second solvent. The first solvent may include an ether solvent, a carbonate solvent, or a mixture of ether and carbonate solvents. The second solvent may include a fluorinated ether. A molar ratio of the aliphatic fluorinated disulfonimide lithium salt to the first solvent may be greater than or equal to about 1:1.2 to less than or equal to about 1:2. A molar ratio of the first solvent to the second solvent may be greater than or equal to about 1:1 to less than or equal to about 1:4.Type: GrantFiled: August 26, 2021Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Shuru Chen, Meinan He, Fang Dai, Mark Verbrugge, Mei Cai
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Patent number: 11731578Abstract: An automobile vehicle deployable cocoon airbag system includes an airbag cushion having a first side oriented in a vertical configuration in a non-deployed condition and a second side oriented substantially ninety degrees from the first side in the non-deployed condition and adapted to receive an occupant on the second side providing an occupant sleeping position. At least one retracting tether is connected to the first side and the second side and is retracted using a retraction mechanism. The retraction mechanism acts upon receipt of a signal to retract the at least one retracting tether and pull the second side toward the first side thereby enclosing the occupant between the first side and the second side in a deployed condition of the airbag cushion. At least one energy absorbing (EA) element is connected to the airbag cushion acting to restrict a fore-aft motion of the airbag cushion.Type: GrantFiled: October 26, 2021Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yi-pen Cheng, Chin-hsu Lin
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Patent number: 11735724Abstract: A negative electrode is provided herein as well as methods for preparing negative electrodes and electrochemical cells including the negative electrode. The negative electrode includes a first electroactive material, an electrically conductive material, and a polymeric binder. The first electroactive material includes silicon-containing particles having an average particle diameter of at least about 1 ?m, and the electrically conductive material includes graphene nanoplatelets. The polymeric binder includes a polyimide, a polyamide, polyacrylonitrile, polyacrylic acid, a salt of polyacrylic acid, polyacrylamide, polyvinyl alcohol, carboxymethyl cellulose, or a combination thereof.Type: GrantFiled: October 30, 2020Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Nicole Ellison, Xiaosong Huang, Lei Wang, Xingyi Yang
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Patent number: 11731654Abstract: Methods and system for vehicle control. The methods and systems determining actuator commands data based on a vehicle stability and motion control function. The vehicle stability and motion control function having planned trajectory data, current vehicle position data and current vehicle heading data as inputs, having the actuator commands data as an output and utilizing a model predicting vehicle motion including predicting vehicle heading data and predicting vehicle position data. The actuator commands data includes steering and propulsion commands. The actuator commands data includes differential braking commands for each brake of the vehicle to correct for any differential between the planned vehicle heading and the current vehicle heading data or the predicted vehicle heading data. The methods and systems output the actuator commands data to the actuator system.Type: GrantFiled: October 16, 2020Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Avshalom Suissa
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Patent number: 11736209Abstract: An antenna array system includes a receiver with a plurality of receiving chains adapted to receive incoming signals from corresponding receiver antennas. A respective directional coupler is positioned in proximity to each of the plurality of receiving chains. The plurality of receiving chains is adapted to receive a respective pilot signal through the respective directional coupler, the respective pilot signal being transmitted simultaneously. A controller has a processor and tangible, non-transitory memory on which instructions are recorded for a method of calibration. One of the plurality of receiving chains is selected as a reference channel. The controller is adapted to perform calibration for the plurality of receiving chains based on the respective pilot signal, including obtaining respective chain phase values and respective gain factors. The calibration is performed without mechanical switching off or physically disconnecting the corresponding receiver antennas.Type: GrantFiled: March 23, 2022Date of Patent: August 22, 2023Assignee: GM Global Technology Operations LLCInventors: Ofer Bar Shalom, Igal Kotzer, Ofer Givati
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Patent number: 11733309Abstract: A system for self-discharge prognostics for vehicle battery cells with an internal short circuit includes a plurality of battery cells and a voltage sensor providing open-circuit voltage data over time for each battery cell. The system further includes a computerized prognostic controller operating programming to monitor the open-circuit voltage data over time for each of the plurality of battery cells and evaluate a voltage drop rate through a time window for each of the plurality of battery cells based upon the open-circuit voltage data. The controller further identifies one of the plurality of battery cells to include the internal short circuit based upon the voltage drop rate and signals an alert based upon the one of the plurality of battery cells including the internal short circuit.Type: GrantFiled: August 18, 2021Date of Patent: August 22, 2023Assignee: GM Global Technology Operations LLCInventors: Yue-Yun Wang, Yangbing Zeng, Taylor R. Garrick, Andrew C. Baughman
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Patent number: 11731532Abstract: A method is usable for cooling portions of a vehicle having a plurality of low temperature radiators (LTR), a rechargeable energy storage system (RESS), an i-condenser coolant circuit, and a RESS coolant circuit. Cooling the RESS occurs by comparing ambient temperature to target low and high temperatures. If the ambient temperature is below the target low temperature, coolant flow is routed through a first flow path placing the first and second LTR in the RESS coolant circuit. If the ambient temperature is between the target low and high temperatures, coolant flow is routed through a second flow path placing the first LTR in the RESS coolant circuit and the second LTR in the i-condenser coolant circuit. If the ambient temperature is above the target high temperature, coolant flow is routed through a third flow path placing the first and second LTR in the i-condenser coolant circuit.Type: GrantFiled: January 6, 2021Date of Patent: August 22, 2023Assignee: GM Global Technology Operations LLCInventor: Srinivasa Rao Vaddiraju
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Patent number: 11735823Abstract: An antenna is disclosed. The antenna can include a coplanar antenna structure. The coplanar antenna structure can include a substrate and a radiating portion that is configured to emit electromagnetic radiation and is disposed over the substrate. The radiating portion defines a slot having a width to length ratio of at least approximately 0.4. The antenna also includes a scattering element disposed over the substrate and at least partially surrounds the radiating portion.Type: GrantFiled: January 13, 2022Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Duane S. Carper, Hyok Jae Song, James H. Schaffner, Patrick Edward Leavy
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Patent number: 11731703Abstract: An energy dissipation system for a frame of a vehicle includes a frame rail including a crushable region and a non-crushable region. An energy dissipation device includes an energy transfer portion arranged partially in the crushable region and partially in the non-crushable region and configured to move in response to a vehicle impact on the frame rail. An energy dissipation portion is arranged within the non-crushable region, connected to the energy transfer portion. The energy dissipation device includes a first region connecting the energy dissipation portion to the non-crushable region, and a second region connecting the energy dissipation portion to the energy transfer portion. The first region of the energy dissipation portion is stiffer than the second region of the energy dissipation portion.Type: GrantFiled: April 21, 2021Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: John E. Howard, Bradley Leier, Zohir Molhem
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Patent number: 11737244Abstract: Technologies for embedded and immersed heat pipes in automated driving system computers (ADSC) are described herein. In some examples, an ADSC can include one or more cold plates including one or more fluid channels, the one or more fluid channels being configured to circulate a first working fluid from a respective ingress point to a respective egress point; one or more processors coupled to the one or more cold plates; one or more heat pipes coupled to or embedded in the one or more cold plates and configured to collect heat from the one or more processors and transfer the heat away from the one or more processors via a second working fluid in the one or more heat pipes; and a chassis housing the one or more cold plates, the one or more processors, and the one or more heat pipes.Type: GrantFiled: March 23, 2022Date of Patent: August 22, 2023Assignee: GM Cruise Holdings LLCInventors: Zoran Stefanoski, Yung Chang Ko
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Patent number: 11733531Abstract: An active heads up display system includes a driver monitoring system, a gateway circuit, and a heads up display. The driver monitoring system tracks a gaze direction of a user, calculates track values in response to a field of view of the user based on the gaze direction, and transmits the track values on a first bus. The gateway circuit receives the track values from the first bus, translates the track values to command values, and transmits the command values on a second bus. The heads up display receives the command values from the second bus, generates a graphical presentation viewable by the user, projects the graphical presentation at a current position in front of the user, and adjusts the current position to an updated position centered within the field of view of the user in response to the command values.Type: GrantFiled: March 16, 2022Date of Patent: August 22, 2023Assignee: GM Global Technology Operations LLCInventors: Tessa E. Benjamin, Jeffrey P. Dinakar, Andrew Wassef
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Patent number: 11737004Abstract: Systems and method are provided for transmitting data from a vehicle using a Wi-Fi network. A method includes: collecting, by a processor, performance data associated with a plurality of access points in the Wi-Fi network; segmenting, by a processor, a route into a plurality of route segments; mapping, by a processor, the plurality of access points to the plurality of route segments; selecting, by a processor, a set of access points from the plurality of access points based on the collected performance data, wherein the set of access points comprises a selected access point for each route segment of the plurality of route segments; predicting, by a processor, a scanning channel based on the set of access points and a current location of the vehicle; and selectively transmitting, by a processor, packet data based on the set of access points, the scanning channel, and the associated performance data.Type: GrantFiled: May 27, 2021Date of Patent: August 22, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jinzhu Chen, Lakshmi V. Thanayankizil, Shu Chen, Chuan Li, Donald K. Grimm