Patents Assigned to GM
-
Patent number: 11770919Abstract: An electromagnetic interference shielding composite. The electromagnetic interference shielding composite includes a polymer substrate formed into a shape of a packaging component. The composite further includes an electromagnetic interference layer contacting the polymer substrate and a conductive coating contacting the electromagnetic interference layer. An integrated power electronic module includes packaging including the electromagnetic interference shielding composite. A method of forming the electromagnetic interference shielding composite for an integrated power electronic module includes molding a polymer substrate into a shape of a packaging component, forming an electromagnetic interference layer on the polymer substrate, and forming a conductive coating on the electromagnetic interference layer.Type: GrantFiled: July 12, 2022Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Seongchan Pack, Anthony Michael Coppola, James R. Salvador
-
Patent number: 11770039Abstract: A rotor core for an electric motor includes a core stack including a plurality of identical lamination plates, each lamination plate including a plurality of magnet slots formed therein, the magnet slots of each of the lamination plates axially aligned and adapted to support a plurality of permanent magnets therein, and a plurality of heat conductive inserts extending axially through the core stack and adapted to conduct heat from inner portions of the core stack outward toward distal ends of the core stack.Type: GrantFiled: March 15, 2021Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaofeng Yang, Thomas W. Nehl
-
Patent number: 11769884Abstract: An electrode structure for a battery includes a middle layer made of an electrically conductive perforated mesh having a top surface, a bottom surface, a plurality of interconnected electrically conductive segments and a plurality of perforations among adjacent ones of the interconnected segments. A top layer of an electrode material is disposed on the top surface, and a bottom layer of the electrode material is disposed on the bottom surface, such that the top and bottom layers are disposed in physical contact with each other through the perforations in the middle layer. A method of manufacturing the electrode structure includes providing the layer of perforated mesh, applying the top and bottom layers of electrode material to the top and bottom surfaces, and curing the top and bottom layers of electrode material using one or more of heat, electromagnetic radiation and convection to produce a layer of cured electrode structure.Type: GrantFiled: January 27, 2022Date of Patent: September 26, 2023Assignee: GM Global Technology Operations LLCInventors: Anil K. Sachdev, Thomas E. Moylan
-
Patent number: 11766938Abstract: An augmented reality head-up display system for displaying graphics upon a windscreen of a vehicle includes a controller in electronic communication with one or more non-visual object detection sensors, one or more image-capturing devices, and a graphic projection device. The controller executes instructions to receive a plurality of detection points that indicate a presence of an object from the one or more non-visual object detection sensors. The controller executes instructions to compare the plurality of detection points with the image data of the environment surrounding the vehicle to identify a visually imperceptible object located in the environment. In response to identifying the visually imperceptible object, the controller determines a notification symbol that signifies the visually imperceptible object. The notification symbol is overlaid at a position upon the windscreen where the visually imperceptible object would normally be visible.Type: GrantFiled: March 23, 2022Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: John P. Weiss, Joseph F. Szczerba, Omer Tsimhoni, Thomas A. Seder, Kai-Han Chang
-
Patent number: 11766713Abstract: A method to form a magnesium article includes: heating materials including magnesium, aluminum, manganese and tin in a furnace to create an alloy having a composition of; the magnesium in an amount greater than or equal to 90% by weight of the materials; the aluminum ranging between approximately 2.0% up to approximately 4.0% by weight of the materials; the manganese ranging between approximately 0.43% up to approximately 0.6% by weight of the materials; and the tin ranging between approximately 1% up to approximately 3% by weight of the materials; chill casting the alloy to create a cast billet; and heating the cast billet at a temperature ranging from approximately 380° C. up to approximately 420° C. and maintaining the temperature for a time period between approximately 4 hours to 10 hours to homogenize element distribution.Type: GrantFiled: September 22, 2021Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Henry Zhan, Congjie Wang
-
Patent number: 11766914Abstract: The present disclosure provides a system for controlling a temperature of a computer disposed in an enclosed compartment of a vehicle. The system includes at least one temperature sensor associated with the computer, the at least one temperature sensor for providing temperature data in connection with the computer to a control module; at least one air vent provided in a surface of the enclosed compartment, wherein the at least one air vent is positioned to direct air flow to a designated area of the computer; an air conditioning system for generating air at an air temperature specified by the control module based at least in part on the temperature data provided by the at least one temperature sensor; and at least one duct for conducting the air generated by the air conditioning system into the enclosed compartment via the at least one vent.Type: GrantFiled: December 3, 2019Date of Patent: September 26, 2023Assignee: GM CRUISE HOLDINGS LLCInventor: David Lee Hyatt
-
Patent number: 11766716Abstract: A system and method of increasing a cooling rate of a metal sand casting during solidification. The system includes a 3-D printed manufactured sand mold defining a mold cavity, a coolant inlet port extending into the manufactured sand mold, a myriad of coolant passageways surrounding a portion of the mold cavity, and a coolant outlet port in fluid communication with the coolant passageways. The system further includes a coolant vapor extraction system having a collection manifold in fluid connection with the outlet port of the sand mold. A molten metal is poured into the mold cavity and a liquid coolant is introduced into the sand mold. The liquid coolant changes state into a gas phase as it permeates through the sand mold, thereby increasing the cooling rate of the casting. The liquid coolant may be that of a liquid nitrogen.Type: GrantFiled: January 4, 2022Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Steven L. Burkholder, Thomas W. Gustafson, Qigui Wang, Anil K. Sachdev
-
Patent number: 11769872Abstract: The present disclosure provides a method of making a negative electrode material for an electrochemical cell that cycles lithium ions. The method includes centrifugally distributing a precursor including silicon, lithium, and an additional metal (M) selected from the group consisting of: aluminum (Al), chromium (Cr), titanium (Ti), niobium (Nb), molybdenum (Mo), zirconium (Zr), yttrium (Y), cerium (Ce), and combinations thereof by contacting the precursor with a rotating surface in a centrifugal atomizing reactor and solidifying the precursor to form a plurality of substantially round solid electroactive particles that include Li4.4xSixMy, where x is greater than 0 to less than or equal to about 0.85 and y corresponds to a weight percent of M that is greater than or equal to 0.1 wt. % to less than or equal to about 10 wt. %.Type: GrantFiled: March 17, 2021Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Xiaosong Huang, Zhongyi Liu, Bradley R. Frieberg
-
Patent number: 11768079Abstract: The present disclosure provides a method comprising identifying at least one of a characteristic and an identity of an item for delivery from an origin to a destination; identifying a plurality of possible routes between the origin and the destination using mapping information, the mapping information including for each of the plurality of possible routes, a characterization of each of a plurality of route segments comprising the possible route; evaluating the plurality of possible routes in view of the identified at least one of the item characteristic and the item identity to select one of the plurality of possible routes; and providing the selected one of the plurality of possible routes to a vehicle, wherein the vehicle delivers the item from the origin to the destination via the identified route.Type: GrantFiled: December 30, 2019Date of Patent: September 26, 2023Assignee: GM CRUISE HOLDINGS LLCInventors: Anthony Galliano, III, Arun A. Mathews, Charlotte Blanc, Pratik Palnitkar
-
Patent number: 11767007Abstract: An electrical energy management system includes a first battery having a nominal operating voltage, a second battery having a charging voltage sufficiently close to the nominal operating voltage of the first battery such that the first battery can charge the second battery when the first battery and the second battery are electrically connected in parallel, a generator that is controllable to provide a variable output voltage, a starter motor, an electrical load, a plurality of switches each controllable to be in an open state or a closed state, and a controller that is configured to control the output voltage of the generator and to control the open or closed state of each of the plurality of switches.Type: GrantFiled: July 15, 2021Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Suresh Gopalakrishnan, Chandra S. Namuduri
-
Patent number: 11767005Abstract: A method of testing a braking system for an automotive vehicle that includes a master cylinder, a brake booster, a plurality of brake assemblies, a plurality of inlet valves, each inlet valve adapted to selectively allow brake fluid to flow into one of the plurality of brake assemblies and a plurality of outlet valves, each outlet valve adapted to selectively allow brake fluid to flow from one of the brake assemblies to a brake fluid reservoir, the method includes testing a first one of the plurality of inlet valves, testing a first one of the plurality of outlet valves, and sending diagnostic information to a controller within the automotive vehicle.Type: GrantFiled: August 21, 2020Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Steven P. Moorman, Bret M. Olson, Shawn M. Harris
-
Patent number: 11767011Abstract: An autonomous vehicle (AV) is described herein. The AV is configured to identify an occluded region where a portion of a field of view of a sensor is occluded by an object. The AV is further configured to hypothesize that an object exists in the occluded region and is moving in the occluded region. The AV is still further configured to perform a driving maneuver based upon the hypothesized object existing in the occluded region.Type: GrantFiled: June 27, 2022Date of Patent: September 26, 2023Assignee: GM CRUISE HOLDINGS LLCInventors: Shiva Ghose, Daniel Chen, Ted Nitz, Christophe Philippona, Curt Harrington, Christopher Daily-Diamond, Mason Swofford, Ryan Holben, Eric Lujan, Benjamin Greer, Francesco Capodieci
-
Patent number: 11767804Abstract: An engine for a vehicle. The engine includes a cast engine block having a hybrid insert disposed in a fastener bore having rolled internal threads. The hybrid insert includes an internal surface having cut inner diameter (ID) threads and an external surface having rolled outer diameter (OD) threads. The rolled OD threads of the hybrid insert are received in the rolled internal threads of the fastener bore. The hybrid threaded insert may include a bi-metal in which the ID threads are formed of one metal alloy and the OD threads are formed of another metal alloy. Alternatively, the external surface of the hybrid insert may define locking features and the engine block is cast onto these locking features, thereby locking the hybrid insert to the engine block.Type: GrantFiled: January 30, 2023Date of Patent: September 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Lokesh Choudhary, Qigui Wang, Brian D Kaminski, Gregory Melekian, Ronald C. Daul, Kurt T. Hilvers
-
Publication number: 20230299379Abstract: A battery module includes a first pouch battery cell and a neighboring second pouch battery cell. The battery module also includes a dielectric fluid in direct contact with and in circulation over and around each of the first and second pouch cells. The battery module additionally includes an immersion barrier positioned between the first and second pouch cells and defining an opening for controlling passage of the dielectric fluid between the first and the second pouch cells. The barrier thereby facilitates localization of a thermal runaway event in the first pouch cell by minimizing transfer of high temperature gases between the first and the second pouch cells via the dielectric fluid and controls propagation of the thermal runaway event in the module. The battery module further includes an enclosure housing and retaining each of the first and second pouch cells, the dielectric fluid, and the immersion barrier.Type: ApplicationFiled: March 17, 2022Publication date: September 21, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Ryan P. Hickey, Matthew Swift, Goro Tamai
-
Publication number: 20230299359Abstract: An electrolyte composition for use in a battery system including a silicon-based negative electrode having active material particles is provided. The electrolyte composition includes a polar solvent selected from the group consisting of ethylene carbonate, propylene carbonate, sulfolane, ?-butyrolactone, and combinations thereof and at least one lithium salt dissolved in the polar solvent at a concentration of at least 2 moles of the at least one lithium salt per 1 liter of the polar solvent. The at least one lithium salt and the polar solvent add dipoles to the electrolyte composition configured for reducing an electric field present at a surface of each of the active material particles in the silicon-based negative electrode of the battery system.Type: ApplicationFiled: March 15, 2022Publication date: September 21, 2023Applicants: GM GLOBAL TECHNOLOGY OPERATIONS LLC, c/o Bar-Ilan UniversityInventors: Ion C. Halalay, Doron Aurbach, Shalom Luski, Michael P. Balogh, Nicole Ellison, Jiazhi Hu
-
Publication number: 20230299365Abstract: A method for constant pressure regulation of battery cells includes disposing the cells in a stacked arrangement within a battery cell placement volume of an apparatus configured to maintain a constant pressure on the cells, providing a gas pressure within a chamber of the apparatus, thereby causing an initial pressure to be applied on the battery cells, and detecting an expansion of the battery cells during a predetermined timespan using a linear displacement sensor. During the predetermined timespan, if the detected expansion is less than a maximum allowable expansion minus a predetermined measurement error, then the gas pressure within the chamber is increased, and if the detected expansion is greater than the maximum allowable expansion plus the predetermined measurement error, then the gas pressure within the chamber is decreased. An apparatus for constant pressure regulation of battery cells is also provided.Type: ApplicationFiled: March 16, 2022Publication date: September 21, 2023Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Herman K. Phlegm, Srikanth Arisetty, Rajesh K. Bhagirath, Edgar P. Calderon
-
Patent number: D999687Type: GrantFiled: February 21, 2022Date of Patent: September 26, 2023Assignee: GM Global Technology Operations LLCInventors: Gapdong Choi, Hyunmin Choi
-
Patent number: D999688Type: GrantFiled: April 22, 2022Date of Patent: September 26, 2023Assignee: GM Global Technology Operations LLCInventors: Scott P. Wassell, Casey Swanseger
-
Patent number: D999693Type: GrantFiled: March 7, 2022Date of Patent: September 26, 2023Assignee: GM Global Technology Operations LLCInventors: Gapdong Choi, Hyunmin Choi
-
Patent number: D999949Type: GrantFiled: March 31, 2021Date of Patent: September 26, 2023Assignee: GM Global Technology Operations LLCInventor: Adam H. Barry