Patents Assigned to GM
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Patent number: 11522221Abstract: The present technology relates to gel electrolytes for using in lithium-ion electrochemical cells and methods of forming the same. For example, the method may include adding one or more gelation reagents to an electrochemical cell including one or more liquid electrolyte precursors. The one or more gelation reagents include one or more initiators and one or more crosslinking agents. Each of the one or more initiators may be one of a thermal initiator and an actinic/electron beam initiator.Type: GrantFiled: December 23, 2019Date of Patent: December 6, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Fang Dai, Shuru Chen, Mei Cai
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Publication number: 20220379921Abstract: The present disclosure provides a method including determining a dispatch state of a vehicle traversing a current route based on data available from a fleet management system associated with the vehicle; selecting a driving dynamics mode for the vehicle based on the determined dispatch state, wherein the driving dynamics mode determines at least one of a route the vehicle is directed to traverse and a driving behavior of the vehicle; and operating the vehicle in the selected driving dynamics mode.Type: ApplicationFiled: May 31, 2021Publication date: December 1, 2022Applicant: GM Cruise Holdings LLCInventor: Jeffrey Brandon
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Publication number: 20220379853Abstract: A method for finding an optimum trailer gain, comprising: applying trailer brake pulses to a trailer while a vehicle is coasting using a trailer brake of a trailer, wherein the trailer is coupled to the vehicle; monitoring an average deceleration of the vehicle and the trailer brake gain of the trailer brake pulses applied to the trailer while the vehicle is coasting; generating a graph of the average deceleration of the vehicle versus the trailer brake gain, wherein the graph includes a curve that illustrates a relationship between the average deceleration of the vehicle and the trailer brake gain of the trailer brake pulses applied to the trailer while the vehicle is coasting; and finding a bend point of the curve in the graph to determine an optimum trailer brake gain.Type: ApplicationFiled: May 27, 2021Publication date: December 1, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Avesta Goodarzi, Hasan Alper Hepguvendik, Patrick G. DiGioacchino
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Publication number: 20220384774Abstract: The present disclosure provides a method for forming a prelithiated, layered anode material. The method includes contacting a precursor material and an electrolyte that includes one or more lithium salts and one or more solvents. The electrolyte may have a molarity greater than or equal to about 0.1 M to less than or equal to a solubility limit of the one or more lithium salts in the one or more solvents. The precursor material may be a three-dimensional layered material and the contacting of the precursor material and the electrolyte causes removal of cations from the precursor material and introduction of lithium ions from the electrolyte into interlayer spaces or voids created by the removal of the cations to form the prelithiated, layered anode material.Type: ApplicationFiled: June 1, 2021Publication date: December 1, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jeffrey David CAIN, Thomas E. MOYLAN, Paul Taichiang YU, Mark W. VERBRUGGE
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Publication number: 20220380878Abstract: An alloy composition is provided. The alloy composition includes from about 0.5 wt. % to about 1.5 wt. % silicon (Si), from about 0.5 wt. % to about 1.5 wt. % magnesium (Mg), from about 0.1 wt. % to about 0.2 wt. % zirconium (Zr), from about 0.2 wt. % to about 0.4 wt. % iron (Fe), from 0 wt. % to about 0.3 wt. % chromium (Cr), from 0 wt. % to about 0.3 wt. % manganese (Mn), from about 0 wt. % to about 1 wt. % copper (Cu), from about 0 wt. % to about 0.2 wt. % titanium (Ti), from about 0 wt. % to about 1 wt. % vanadium (V), and a balance of aluminum (Al). Greater than or equal to about 60% of the alloy composition is derived from Al scrap. Methods of forming the alloy composition and methods of forming an extruded article from the composition are also provided.Type: ApplicationFiled: March 15, 2022Publication date: December 1, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Henry ZHAN, Jianfeng WANG, Pan WANG
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Publication number: 20220384776Abstract: The present disclosure provides an electroactive material for an electrochemical cell that cycles lithium ions. The electroactive material includes a plurality of electroactive particles having an average diameter greater than or equal to about 100 nm to less than or equal to about 50 ?m. Each electroactive particle includes a layered anode material defined by a two-dimensional allotrope. The two-dimensional allotrope includes a plurality of atomic layers that include a negative electroactive material selected from the group consisting of: silicon (Si), germanium (Ge), boron (B), and combinations thereof. In certain variations, the layered anode material may be prelithiated. For example, lithium ions may be dispersed between the atomic layers of the two-dimensional allotrope to pre-lithiate the layered anode material.Type: ApplicationFiled: June 1, 2021Publication date: December 1, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jeffrey David CAIN, Andrew Clay BOBEL
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Publication number: 20220379881Abstract: Systems and method are provided for controlling a vehicle. In one embodiment, a method includes: receiving a first surface value associated with a first road surface area in an upcoming environment of the vehicle; receiving a second surface value associated with a second road surface area in the upcoming environment of the vehicle; determining a change in surface value based on the first surface value and the second surface value; and in response to the change in surface value being greater than a threshold, adapting at least one of vehicle collision warning messages, vehicle braking control, vehicle steering control, and path planning based on the second surface value.Type: ApplicationFiled: May 26, 2021Publication date: December 1, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Nikolai Moshchuk, Bakhtiar Litkouhi, Qingrong Zhao
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Patent number: 11516046Abstract: A controller area network fault detection and recovery system and method may include a fault detection module, a fault remediation module, a checkpoint manager, and a recovery manager configured to select one or more of the fault remediation mechanisms based upon detected CAN faults. Remediation of detected CAN faults is controlled at a CAN driver software level in accordance with selected fault remediation mechanisms in a predetermined ordered hierarchy.Type: GrantFiled: January 14, 2020Date of Patent: November 29, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Shige Wang, Chang Liu
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Patent number: 11516636Abstract: A latency masking system for use in an autonomous vehicle (AV) system includes a sensors module providing sensor data from a plurality of sensors. The sensor data includes image frames provided by a vehicle camera and vehicle motion data. A wireless transceiver transmits the sensor data to a remote server associated with a network infrastructure and receives remote state information derived from the sensor data. An on-board function module receives the sensor data from the sensors module and generates local state information. A state fusion and prediction module receives the remote station information and the local state information and updates the local state information with the remote state information. The state fusion and prediction module uses checkpoints in a state history data structure to update the local state information with the remote state information.Type: GrantFiled: January 29, 2021Date of Patent: November 29, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Bo Yu, Can Carlak, Jimmy Qi, Shuqing Zeng, Fan Bai
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Patent number: 11515624Abstract: An antenna system includes a substrate of a dielectric material. A conductive layer defines a feed slot joins a number of side slots arranged in a line forming an array. The side slots are spaced from one another and the conductive layer is disposed on the substrate. The array is configured to radiate a radiation pattern characterized by a first beam width in a first plane and a second beam width in a second plane perpendicular to the first plane, wherein the first beam width is wider than the second beam width.Type: GrantFiled: March 29, 2019Date of Patent: November 29, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Keerti S. Kona
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Patent number: 11515600Abstract: Electric vehicle battery enclosures and methods of assembling electric vehicle battery enclosures involve a base portion to hold one or more batteries that provide motive power to an all-electric or hybrid electric vehicle. An electric vehicle battery enclosure includes a cover portion to mate with the base portion to enclose the one or more batteries, and a sealant to create a bond between the base portion and the cover portion around an entire perimeter of the enclosure and to seal the enclosure based on a uniform height of the sealant around the perimeter of the enclosure.Type: GrantFiled: December 9, 2019Date of Patent: November 29, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Charles E. Jensen, Terry A. Swartzell, Andrew W. White, James A. Rochon
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Patent number: 11511632Abstract: A battery system includes high-voltage switches, including a multi-pole contactor. Multiple packs are connectable in a series or parallel configuration via the switches. The contactor includes first and second pairs of electrical terminals separated by a respective circuit gap, with respective contactor arms simultaneously closing or opening the gaps. At all times, internal switches formed by the gaps and arms have the same ON/OFF state corresponding to the circuit gaps both being closed or both being open. Two of the contactors may be used to connect the battery packs to a DC fast-charging station, and to connect electrode terminals of the battery packs to a bus rail, respectively. An electric powertrain includes the battery system and an electrical load, including a rotary electric machine, that is connected to a power inverter and to a mechanical load.Type: GrantFiled: September 29, 2020Date of Patent: November 29, 2022Assignee: GM Global Technology Operations LLCInventors: Robert J. Heydel, Christopher Schlaupitz
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Patent number: 11514790Abstract: Collaborative perception is based on recognition that a fleet of AVs and stationary infrastructure objects equipped with sensors may be configured to communicate with one another in sharing their sensor data, thus benefiting from collaborative perception, rather than being limited to their individual perception. Three specific scenarios of collaborative perception are disclosed. The first scenario relates to two AVs in the vicinity of one another exchanging complexity scores indicative of their respective environments. The second scenario relates to an AV detecting that it has a blind spot and seeking other AVs or infrastructure objects to provide information indicative of the environment in the blind spot. The third scenario relates to providing infrastructure objects equipped with sensors in appropriate locations so that, when an AV is in the vicinity of such objects, the AV may receive information from their sensors.Type: GrantFiled: March 26, 2020Date of Patent: November 29, 2022Assignee: GM Cruise Holdings LLCInventors: Nestor Grace, Diego Plascencia-Vega, Dogan Gidon, Mohamed Mostafa Elshenawy
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Patent number: 11511501Abstract: A mold for molding a reinforced preform having at least two apertures therein includes first and second mold halves, first and second emitters disposed in the mold halves and configured to emit light therefrom, first and second receivers disposed in the mold halves and configured to receive light from the respective first and second emitters, and first and second moving members having couplings for connection with side portions of the reinforced preform and actuators for moving the couplings between respective first and second positions. A controller determines an alignment condition based on signals received from the receivers. If the alignment condition fails to meet predetermined criteria, then at least one of the actuators is caused to move its coupling from its respective first position to a respective adjusted position that is different from the respective second position.Type: GrantFiled: October 7, 2019Date of Patent: November 29, 2022Assignee: GM Global Technology Operations LLCInventors: William R. Rodgers, Venkateshwar R. Aitharaju, Selina X. Zhao
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Patent number: 11512967Abstract: Technologies disclosed herein facilitate identification of a trip route from an origin of a user to a desired destination of the user, wherein the trip route includes multiple transportation modalities, at least one of which is an autonomous vehicle (AV), and dispatching of the AV to a pickup location for the user in connection with providing transportation to the user along a portion of the identified trip route.Type: GrantFiled: February 28, 2019Date of Patent: November 29, 2022Assignee: GM CRUISE HOLDINGS LLCInventor: Mohamed M. Elshenawy
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Patent number: 11511669Abstract: A system for trailer coupler localization for guidance during a hitching maneuver for a vehicle includes a trailer device including a trailer coupler and a graphic providing structure affixed to the trailer coupler. The structure includes at least one predefined graphic image. The system further includes a rear facing camera device attached to the vehicle and providing a captured image of the predefined graphic image. The system further includes a computerized controller, including programming to receive and analyze the captured image of the predefined graphic image to determine a relative position of the graphic providing structure to the camera device. The controller further includes programming to utilize the analysis to determine a relative position of the trailer coupler to a trailer hitch ball of the vehicle and to provide an output to control the hitching maneuver based upon the relative position.Type: GrantFiled: May 10, 2021Date of Patent: November 29, 2022Assignee: GM Global Technology Operations LLCInventors: Zachary T. Kroeze, Yun Qian Miao, Shi M. Yu, Patrick Andruszkiewicz, Ralph D. Schlottke
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Patent number: 11512730Abstract: The subject disclosure relates to a water-tight sealed stud assembly for high current applications. The water-tight sealed stud assembly can include a stud, a sealing ring, a sleeve, and a body. The stud may have a stud base and a thickened portion having an annular groove. The sealing ring may be disposed in the annular groove. The sleeve may be disposed circumferentially around the stud and made of a conductive material. The body may be disposed circumferentially around the sleeve and made of a non-conductive material. Systems and methods are also provided.Type: GrantFiled: May 15, 2020Date of Patent: November 29, 2022Assignee: GM Cruise Holdings LLCInventors: Robert Cao, Brian Schlotterbeck, Adli Nureddin
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Patent number: 11511808Abstract: An apparatus for a vehicle body including a rocker insert is provided. The apparatus includes a vehicle body including a plurality of metallic structure members and a lower portion operable to provide support to a floor surface within a passenger compartment of a vehicle and a rocker insert mounted to an in-vehicle side portion of the lower portion. The rocker insert includes an elongated bar portion including a hollow center portion including internal reinforcing web features. The rocker insert is oriented with respect to the vehicle body such that a longitudinal axis of the elongated bar portion of the rocker insert is parallel to an in-vehicle forward direction of the vehicle body.Type: GrantFiled: November 5, 2020Date of Patent: November 29, 2022Assignee: GM Global Technology Operations LLCInventors: Jeffrey R. Halonen, Terry A. Swartzell, Yiran Tong, Luke A. Reini, Andrew W. White, Michael D. Regiec, Warren J. Parsons, Monte L. Taylor
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Patent number: 11515538Abstract: An electrode including an electrode active material including lithium (Li) and a polymer layer coating at least a portion of the electrode active material is provided. The polymer layer includes a polymerization product of a monomer having Formula I: where R1 and R2 are independently an aryl or a branched or unbranched C1-C10 alkyl and X1 and X2 are independently chlorine (Cl), bromine (Br), or iodine (I).Type: GrantFiled: October 11, 2019Date of Patent: November 29, 2022Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Binsong Li, Xingcheng Xiao
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Publication number: 20220371156Abstract: Apparatus are provided for automatic repositioning of fluid nozzles when operating on a workpiece with a tool. The apparatus includes a nozzle assembly configured to convey a fluid to a target zone defined on the workpiece and/or on the tool. The target zone has a location that varies over time. A spring applies a spring force to bias the nozzle assembly toward the target zone, and moves the nozzle assembly as the location of the target zone varies. The nozzle assembly moves to a position relative to the target zone by a combination of action of the spring force and of any hydrodynamic force of the fluid, when moving through the nozzle assembly.Type: ApplicationFiled: May 21, 2021Publication date: November 24, 2022Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Eduardo Pinoncely, Joseph Gerard Lovasz, Scott A. Hucker