Patents Assigned to GLOBAL TECHNOLOGY OPERATIONS LLC
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Publication number: 20240017517Abstract: A multilayered tubing for low-pressure fuel applications is provided. The multilayered tubing includes a first thermoplastic layer defining an interior cavity and a second thermoplastic layer encasing the first thermoplastic layer. The first thermoplastic layer includes an extrudable thermoplastic fluoropolymer, and the second thermoplastic layer may include a semi-crystalline thermoplastic polymer. In certain variations, an adhesive is disposed between the first thermoplastic layer and the second thermoplastic layer. In still other variations, a third thermoplastic layer is disposed between the first thermoplastic layer and the second thermoplastic layer. In such instances, a first adhesive can be disposed between the first thermoplastic layer and the third thermoplastic layer and/or a second adhesive can be disposed between the third thermoplastic layer and the second thermoplastic layer.Type: ApplicationFiled: July 12, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Dennis M. D'HONDT
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Publication number: 20240019007Abstract: A brake rotor having a composite structure may include an annular body defining opposite friction surfaces of the brake rotor. The annular body may include a core made of an Al—Si alloy, a thermal barrier layer made of a thermally insulating material disposed on the core, and a wear-resistant layer made of an Fe—Al—Si—Zr alloy disposed on the core over the thermal barrier layer. The wear-resistant layer may define a first one of the opposite friction surfaces of the annular body.Type: ApplicationFiled: July 12, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Heewook LEE, Zhongyi LIU, Anil K. SACHDEV, Tyson Whittier BROWN, Ratandeep Singh KUKREJA
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Publication number: 20240022946Abstract: A slew rate controllable system for powering an electric machine. The system may include a plurality of power transistors operable for converting a direct current (DC) input into an alternating current (AC) output suitable for electrically powering the electric machine. The system may further include a gate drive system operable for controlling a slew rate associated with transitioning the power transistors between the opened and closed states.Type: ApplicationFiled: September 28, 2023Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Yilun Luo, Khorshed Mohammed Alam, Eric B. Gach, Hong Nguyen, Chandra S. Namuduri, Rashmi Prasad, Junghoon Kim
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Publication number: 20240021809Abstract: The present disclosure provides a positive electroactive material for an electrochemical cell that cycles lithium ions. The positive electroactive material includes a nickel-rich material including a plurality of solid-state particles. Each solid-state particle has a heterogeneous structure that includes a core and a shell that at least partially coats the core. The core includes a nickel-cobalt-manganese material, and the shell includes a nickel-cobalt-aluminum material. When the nickel-rich material is represented by LiNi(1-x-y-z)CoxMnyAl2O2, the nickel-cobalt-manganese material is represented by LiNi(i-x?-(y/a))Cox?Mn(y/a)O2, and the nickel-cobalt-aluminum material is represented by LiNi(i-x?-(z/b))Cox?Al(z/b)O2, where (i) 1-x-y-z>0.5, (ii) a+b=1, (iii) zx?+bx?=x, and (iv) 1-x?-(y/a)>1-x?-(z/b). In certain variations, the core and the shell define a base structure, and the heterogeneous structure further includes a buffer layer that at least partially coats the base structure.Type: ApplicationFiled: December 5, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Zhe LI, Qili SU, Yong LU, Haijing LIU, Lianqi ZHANG, Yiming SUN
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Publication number: 20240020987Abstract: Systems and methods for controlling a vehicle are provided. The systems and methods receive a frame of visible image data from at least one camera of the vehicle and a frame of invisible perception data from a perception sensor. The systems and methods fuse the frame of invisible perception data and the frame of visible image data to provide a fused frame of perception data. Object detection, classification and tracking are performed using a neural network based on the fused frame of perception data to provide object detection data. Steering, propulsion and/or braking of the vehicle are controlled based on the object detection data.Type: ApplicationFiled: July 13, 2022Publication date: January 18, 2024Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Sai Vishnu Aluru, Steffen Peter Lindenthal, Brian Yousif-Dickow, Ali Atriss
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Patent number: 11873724Abstract: A compressor assembly may include a compressor housing and a compressor impeller disposed within the compressor housing. The compressor housing may have an internal aerodynamic surface that defines a circumferentially extending volute, and the compressor impeller may have an external aerodynamic surface that faces toward at least a portion of the internal aerodynamic surface of the compressor housing. A nonstick coating may be formed on the internal aerodynamic surface of the compressor housing or on the external aerodynamic surface of the compressor impeller. The nonstick coating may prevent foreign material introduced into the compressor assembly from collecting on the internal aerodynamic surface of the compressor housing or on the external aerodynamic surface of the compressor impeller.Type: GrantFiled: July 30, 2020Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jeremy R. Kirklin, Carnell E. Williams, Anil K. Sachdev
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Patent number: 11874539Abstract: A perception system for a motor vehicle includes a camera with a lens having a field of view and configured to focus incident light from the field of view. The field of view includes a road having a road surface. The perception system also includes an imaging sensor arranged in the camera. The imaging sensor has a photosensitive surface defined by an imaging surface area configured to capture the incident light focused from the field of view. A first portion of the imaging surface area is configured to capture an image of the road. The perception system further includes a first polarizer array arranged across the first portion of the imaging surface area and configured to reduce glare from the road surface.Type: GrantFiled: July 13, 2022Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: Tzvi Philipp, Andrew W. Averhart, Yuri Paskover, Tomer Pe'er
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Patent number: 11876406Abstract: A stator assembly for an axial flux motor includes a heat exchanger jacket configured to circulate a heat transfer liquid. A stator also includes a plurality of stator cores each having a conductive winding, an electrically insulating material disposed over at least a portion of the conductive wire winding, and a molded soft magnetic composite (SMC) material. The heat exchanger jacket is disposed circumferentially around at least a portion of a perimeter of the stator. Each stator core defines a peripheral surface configured to contact the heat exchanger jacket and at least a portion of the peripheral surface is defined by the molded soft magnetic composite (SMC) material. Methods of making a molded soft magnetic composite (SMC) material stator core are also provided.Type: GrantFiled: September 29, 2021Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Chengwu Duan, Jian Yao, Alireza Fatemi
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Patent number: 11875548Abstract: A system for an attention-based perception includes a camera device configured to provide an image of an operating environment of a vehicle. The system further includes a computerized device monitoring the image, analyzing sensor data to identify a feature in the image as corresponding to an object in the operating environment and assign a score for the feature based upon an identification, a location, or a behavior of the object. The computerized device is further operable to define candidate regions of interest upon the image, correlate the score for the feature to the candidate regions of interest to accrue a total region score, select some of the candidate regions for analysis based upon the total region scores, and analyze the portion of the candidate regions to generate a path of travel output. The system further includes a device controlling the vehicle based upon the output.Type: GrantFiled: July 22, 2021Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: Wei Tong, Shige Wang, Shuqing Zeng
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Patent number: 11872988Abstract: In accordance with an exemplary embodiment, methods and systems are provided for controlling automatic overtake functionality for a host vehicle. In on such exemplary embodiment, a disclosed method includes: (i) obtaining, via a plurality of sensors, sensor data pertaining to the host vehicle and a roadway on which the host vehicle is traveling; (ii) determining, via a processor, when an automatic overtake is recommended, using the sensor data in conjunction with one or more threshold values; (iii) receiving driver inputs pertaining to the automatic overtake; and (iv) adjusting, via the processor, the one or more threshold values for the automatic overtake based on the driver inputs.Type: GrantFiled: November 10, 2020Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jeffrey S. Parks, Namal P. Kumara, Paul A. Adam, Gabriel T. Choi, Michael J. Abowd, Braden J. Swantick
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Patent number: 11873867Abstract: An electric vehicle transmission includes a housing, a first gear, a second gear, and a first clutch pack supported in the housing. A first actuator is arranged in the housing. The first actuator is coupled with a first actuator member. A second actuator is arranged in the housing. The second actuator is coupled with a second actuator member. A modular actuation system is mounted to the housing. The modular actuation system includes a first energizer member and a second energizer member. The first energizer member is operatively connected to the first actuator and is operable to engage the first gear and the second energizer member is operatively connected to the second actuator and is operable to engage the second gear.Type: GrantFiled: February 22, 2023Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Clinton E. Carey, Dongxu Li, Edward W. Mellet, Bret M. Olson
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Patent number: 11872893Abstract: A propulsion system for a device includes an electric motor configured to generate torque to propel the device. A position sensor is adapted to determine a rotor position of the electric motor. The system includes a controller having instructions recorded for determining the rotor position when a sensor fault condition is detected. The controller is adapted to selectively command injection of a voltage signal in a direct magnetic axis in a synchronous reference frame when a motor speed of the electric motor is below a predefined motor speed threshold and the sensor fault condition is detected. The rotor position is estimated based in part on a motor current response to the voltage signal. The voltage signal is defined by an alternating periodic shape having respective constant segments in each of a plurality of control periods, the respective constant segments being discontinuous between the control periods.Type: GrantFiled: April 13, 2022Date of Patent: January 16, 2024Assignees: GM Global Technology Operations LLC, Seoul Nathional UniversityInventors: Anno Yoo, Seung-Ki Sul, Hyung-June Cho
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Patent number: 11872923Abstract: A roof rail hoist system includes a support rail mountable to a vehicle roof. The support rail includes a first end, a second end, and an intermediate portion including a recess that extends between the first end and the second end. A winch arm is mounted to the support rail. The winch arm is pivotable between a first position, wherein the winch arm resides in the recess and a second position, wherein the winch arm extends outwardly from the support rail. A winch motor is mounted to the support rail. The winch motor includes a cable spool. A winch cable is provided on the cable spool.Type: GrantFiled: August 16, 2022Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Patrick Minjeur, Owen Rauch
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Patent number: 11875677Abstract: A method in a vehicle includes receiving a vehicle-to-infrastructure (V2I) message transmitted from a communication system affixed to infrastructure at a location. The V2I message includes at least one category of information among a plurality of categories of information and the plurality of categories of information include map-based information and road safety information. The method also includes determining, based on performing at least one type of verification, whether a misbehavior has occurred with respect to the V2I message. The misbehavior indicates incorrect information in the V2I message. A counter is maintained of a number of times the misbehavior has occurred with respect to the V2I message at the location, and the misbehavior is reported based on the counter.Type: GrantFiled: February 2, 2021Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Vivek Vijaya Kumar, Mohammad Naserian, Kemal E. Tepe, Hariharan Krishnan
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Patent number: 11876300Abstract: An antenna system for a vehicle includes a first antenna array affixed to the vehicle and a remote antenna system. A first connector is affixed to the vehicle, and is connected to the controllable switch. The remote antenna system includes a second antenna array including a second active antenna and a wiring harness. The wiring harness includes a second signal lead connected to the second active antenna, a ground lead, and a second connector. The signal lead and the ground lead connect the second active antenna of the second antenna array to the second connector. The first connector is connectable to the second connector, and the switch array communicates signals from the second antenna array to the on-vehicle controller when the second connector of the second antenna array is connected to the first connector.Type: GrantFiled: April 21, 2022Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: Gregg R. Kittinger, Duane S. Carper, Nahel Eshaq
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Patent number: 11872862Abstract: A weight balancing system for a vehicle performs a method of adjusting a weight on a wheel of a vehicle. The system includes a processor of the vehicle and a scale. A wheel of the vehicle is placed on the scale, the wheel having an associated spring seat and associated spring. The scale measures a weight placed on the wheel by the vehicle and communicates the weight to the processor. The processor activates the spring seat to adjust a length of the spring, thereby adjusting the weight placed on the wheel by the vehicle.Type: GrantFiled: February 4, 2022Date of Patent: January 16, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Brian K. Saylor, Matthew Gregory Kowal, Robert Patrick Marble
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Patent number: 11872909Abstract: A torque generating system is described, and includes a fuel cell power device, a high-voltage battery, an electric drive unit, and a controller. The fuel cell power device has a non-linear power-temperature relationship that has a local temperature maxima at a first electric power level and a local temperature minima at a second electric power level. A first operating point of the fuel cell power device is less than the first electric power level, and a second operating point of the fuel cell power device is set at a third electric power level that is greater than the first electric power level, wherein the third electric power level generates a fuel cell temperature that is less than the local temperature maxima. The fuel cell power device is controlled to one of the first operating point or the second operating point to transfer electric power to the electric drive unit.Type: GrantFiled: July 29, 2021Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: William H. Pettit, Charles E. Freese, V, Balasubramanian Lakshmanan
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Patent number: 11873006Abstract: A virtual lane estimation system includes a memory device, a sensor and a computer. The memory device is configured to store a road map that corresponds to a portion of a road ahead of a vehicle. The sensor is configured to observe a plurality of trajectories of a plurality of neighboring vehicles that traverse the portion of the road. The computer is configured to initialize a recursive self-organizing map as a plurality of points arranged as a two-dimensional grid aligned with the road map, train the points in the recursive self-organizing map in response to the trajectories, generate a directed graph that contains one or more virtual lanes through the road map in response to the points trained to the trajectories, and generate a control signal that controls navigation of the vehicle through the portion of the road in response to the virtual lanes in the directed graph.Type: GrantFiled: September 21, 2020Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventors: Tiffany J. Hwu, Rajan Bhattacharyya, Michael J. Daily, Kyungnam Kim
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Patent number: D1011236Type: GrantFiled: December 30, 2021Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventor: Thamer H. Hannona
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Patent number: D1011605Type: GrantFiled: May 11, 2021Date of Patent: January 16, 2024Assignee: GM Global Technology Operations LLCInventor: Gary W. Ruiz