Patents Assigned to GM
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Publication number: 20160326978Abstract: A fuel injection strategy and ignition timing for a spark-ignition direct fuel injection engine are selected in response to monitored engine load in relation to a plurality of load regions. This includes selecting a preferred ignition timing based upon the engine load, and selecting a first fuel injection event that is executed post-ignition, wherein the first fuel injection event delivers a set fuel mass at a preset timing relative to the preferred timing for the spark ignition event regardless of the engine load. A first pre-ignition fuel injection event is selected, and includes a second fuel mass being injected at a second fuel injection timing, wherein an end-of-injection timing of the first pre-ignition fuel injection event is at a preset timing relative to the preferred ignition timing regardless of the engine load, and wherein the second fuel mass is determined in relation to the engine load.Type: ApplicationFiled: April 6, 2016Publication date: November 10, 2016Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Arun S. Solomon, Ronald M. Otto
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Publication number: 20160325213Abstract: A device for separating liquid from a gas is provided. The device includes at least one gas supply opening via which the gas can be guided in an axial direction into a separation chamber and against a baffle surface. The baffle surface deviates at least partially from a surface that is aligned perpendicular to the axial direction.Type: ApplicationFiled: May 5, 2016Publication date: November 10, 2016Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Georg HEDRICH, Heike ARNOLD, Thomas KOEHNEN, Roland VOGL, Robert VALTEY
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Publication number: 20160327931Abstract: A system for offsetting a CNC machining process includes transferring compensation variables through registers in fixed G-code programming of the CNC machine and offsetting the CNC machine without altering fixed G-code programming. Global compensation variables are applied to all feature programs of the CNC machining process, and local compensation variables are applied to only individual features or groups of features. The machine shifts position in response to the compensation variables.Type: ApplicationFiled: April 7, 2016Publication date: November 10, 2016Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jie Gu, John S. Agapiou
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Publication number: 20160325468Abstract: Methods and systems are provided for generating a mold. In one embodiment, a method includes: determining, by a processor, a fiber orientation for a plurality of points in a part; determining, by the processor, a distortion value based on the fiber orientations; and generating, by the processor, mold dimensions based on the distortion values.Type: ApplicationFiled: March 28, 2016Publication date: November 10, 2016Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: PETER H. FOSS, JORGE F. ARINEZ
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Publication number: 20160325688Abstract: A storage assembly for a vehicle includes a flexible, silicone wall portion having a first edge and a second edge. A first hinge support rotatably supports the first edge of the wall portion for rotation about a first axis. A second hinge support rotatably supports the second edge of the wall portion for rotation about a second axis. The wall portion is rotatable relative to the first hinge support about the first axis in a first rotational direction, and is rotatable relative to the second hinge support about the second axis in a second rotational direction, between a stowed position and a deployed position. When disposed in the stowed position, the wall portion is positioned adjacent a trim panel. When disposed in the deployed position, the wall portion is positioned away from the trim panel to support a container between the wall portion and the interior trim panel.Type: ApplicationFiled: May 5, 2015Publication date: November 10, 2016Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Taryn Dyle
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Patent number: 9488262Abstract: A transmission includes a torque converter including a pump and a turbine, and an input hub. A pump lock-up clutch selectively connects the pump and the input hub for directly communicating torque therebetween when the lock-up clutch is engaged. A first pump damper interconnects the pump lock-up clutch and the input hub for damping torsional vibration between the pump and the input hub when the pump-lock up clutch is engaged. A turbine damper interconnects the turbine and either the pump or the input hub. The turbine damper is operable to dampen torsional vibration between the turbine and ether the pump or the input hub when the pump lock-up clutch is engaged. A turbine lock-up clutch selectively connects the turbine and either the input hub or the pump for directly communicating torque between the turbine and the one of either the input hub or the pump.Type: GrantFiled: December 4, 2014Date of Patent: November 8, 2016Assignee: GM Global Technology Operations LLCInventors: Dongxu Li, Victor M. Roses
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Patent number: 9488078Abstract: A startup/shutdown control module selectively generates an engine startup command when an engine of the vehicle is off. A starter control module applies power to a starter motor when the engine startup command is generated. A valve control module, in response to the generation of the engine startup command: operates intake valves of cylinders of the engine in a low lift mode when an engine temperature is less than a predetermined temperature; and operates the intake valves of the cylinders of the engine in a high lift mode when the engine temperature is greater than the predetermined temperature.Type: GrantFiled: September 16, 2014Date of Patent: November 8, 2016Assignee: GM Global Technology Operations LLCInventor: Scot A. Douglas
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Patent number: 9487103Abstract: A battery management method includes the following steps: (a) reading, via a battery management processor, a non-volatile memory to determine if the non-volatile memory contains data indicative of a brownout in the auxiliary battery module; (b) receiving, via the battery management processor, at least one input signal from at least one brownout detector of at least one smart device having a device processor in order to determine a brownout condition in at least one smart device; (c) determining, via the battery management processor, that a triggering event has occurred if the non-volatile memory contains data indicative of the brownout in the auxiliary battery module or the at least one smart device exhibits a brownout condition; and (d) commanding, via the battery management processor, the main battery module to electrically charge the auxiliary battery module of the hybrid vehicle if the triggering event has occurred.Type: GrantFiled: August 26, 2014Date of Patent: November 8, 2016Assignee: GM Global Technology Operations LLCInventors: Cody D. Berman, Vivekananda Shripathy, Thomas John Timpf, Jr., Godwin Wede
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Patent number: 9488172Abstract: A pump assembly for a vehicle is disclosed. The pump assembly includes a housing defining a cavity extending along a central axis to present a wall disposed radially relative to the central axis and a base transverse to the central axis. The pump assembly also includes a first gear disposed in the cavity. The first gear has a first side and a second side each extending along the central axis. The first side faces the wall and the second side opposes the first side. The first side of the first gear is complementary to the wall. The wall defines a recess adjacent to the cavity and spaced from the base. The recess is in fluid communication with the cavity for providing lubrication between the wall and the first side of the first gear.Type: GrantFiled: May 24, 2012Date of Patent: November 8, 2016Assignee: GM Global Technology Operations LLCInventor: Robert E. Rhein
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Patent number: 9489620Abstract: A computer-implemented system and method of rapidly predicting at least one of residual stress and distortion of a quenched aluminum casting. Input data corresponding to at least one of topological features, geometrical features and quenching process parameters associated with the casting is operated upon by the computer that is configured as a neural network to determine output data corresponding to at least one of the residual stress and distortion based on the input data. The neural network is trained to determine the validity of at least one of the input data and output data and to retrain the network when an error threshold is exceeded. Thereby, residual stresses and distortion in the quenched aluminum castings can be predicted using the embodiments in a tiny fraction of the time required by conventional finite-element based approaches.Type: GrantFiled: June 4, 2014Date of Patent: November 8, 2016Assignee: GM Global Technology Operations, LLCInventors: Qigui Wang, Yucong Wang, Zhiqiang Gao, Zhibin Quan
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Patent number: 9487872Abstract: An electrolytic cell includes a positive electrode disposed in an electrolytic compartment, a negative electrode disposed in another electrolytic compartment, and a cell membrane positioned between the electrolytic compartment and the other electrolytic compartment. An electrolyte solution is disposed inside the electrolytic compartment and inside the other electrolytic compartment. The electrolyte solution is also in contact with the cell membrane. A transducer, which is directly attached to any of the negative electrode or the positive electrode, is capable of selectively transmitting vibrational energy to the negative electrode and/or the positive electrode. The vibrational energy selectively transmitted to the negative electrode and/or the positive electrode causes bubbles to form and to separate i) hydrogen gas bubbles from a surface of the negative electrode, ii) oxygen gas bubbles from a surface of the positive electrode, or iii) both i and ii.Type: GrantFiled: June 29, 2012Date of Patent: November 8, 2016Assignee: GM Global Technology Operations LLCInventors: Nelson A. Kelly, Andrew M. Mance
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Patent number: 9487108Abstract: The subject matter of the present invention concerns a motor vehicle seat (10), especially a folding motor vehicle seat (10), comprising a backrest structure (210) and a seat structure (310) hinged to the backrest structure (210) by an adjustment device (100), wherein the adjustment device (100) has at least one adjustable fitting device (150) with a backrest section (16) for connecting to the backrest structure (210) and a seat section (18) for connecting to the seat structure (310), wherein the backrest section (16) and the seat section (18) are arranged on different sides of the backrest structure (210) and/or the seat structure (310). Moreover, the subject matter of the present invention concerns a method for this.Type: GrantFiled: June 4, 2012Date of Patent: November 8, 2016Assignees: GM Global Technology Operations LLC, Lear Corporation Inc.Inventors: Andrzej Pleskot, Johannes Barzen, Eckhard Nock, Norbert Hertling
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Patent number: 9486928Abstract: The present invention relates to a method and apparatus for limiting the contact force between a moving device and another object, using a parallel mechanism and torque limiters where the threshold force to activate the force limiting mechanism is not related to the configuration of the moving device or the location of the contact force relative to the activation point of the force limiting mechanism, and where the mechanism may be configured for one, two or three degrees of freedom. A counterbalance mechanism is also provided to counteract gravity load when the force limiting mechanism is configured for three degrees of freedom and responsive to contact forces including a vertical element. In particular, the invention relates to a method and apparatus for limiting the contact force between a moving robotic device and a contactable object.Type: GrantFiled: October 25, 2013Date of Patent: November 8, 2016Assignee: GM Global Technology Operations LLCInventors: Nicolas Lauzier, Clement Gosselin, Dalong Gao, Martin Grenier, Robin Stevenson
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Patent number: 9490508Abstract: A battery assembly includes a plurality of battery cells disposed adjacent and in heat transfer relationship with a plurality of cooling modules. The cooling modules are directly affixed to or cause to abut at least one of a first thermally conductive base and a second thermally conductive base forming a thermal transfer path from the battery cells through the cooling modules to the at least one thermally conductive base.Type: GrantFiled: December 16, 2011Date of Patent: November 8, 2016Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Axel Heise
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Patent number: 9487212Abstract: A method and system for controlling a position of a vehicle relative to other vehicles on a road is provided. The method includes controlling a position of a host vehicle travelling in a lane of a road using an automated driving system and monitoring positions of one or more side vehicles located on either side of the host vehicle and traveling in adjacent lanes. The method further includes detecting a condition in which the host vehicle is or will be positioned in a blind spot of a side vehicle disposed on in an adjacent lane and adjusting the position of the host vehicle in response to the condition using the automated driving system such that the amount of time the host vehicle is or will be positioned in the blind spot of the side vehicle is reduced.Type: GrantFiled: October 9, 2015Date of Patent: November 8, 2016Assignee: GM Global Technology Operations LLCInventors: Paul A. Adam, Kevin A. O'Dea, Dmitriy Feldman
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Patent number: 9488205Abstract: An alignment arrangement for mated components includes a first component having a first and second elastically deformable protrusion. Also included is a second component operatively coupled to the first component, the second component comprising a first and second slot, each of the slots defined by a first slot sidewall segment, a second slot sidewall segment, an inner slot wall segment and an outer slot wall segment, the first and second slot disposed in a substantially coaxial alignment. The elastically deformable protrusions are each disposed in a contact interference condition with the inner slot wall segment or the outer slot wall segment of the respective first slot and second slot, thereby reducing relative movement between the first and second components, wherein the elastically deformable protrusions are each formed of an elastically deformable material and configured to elastically deform upon engagement with the inner or outer slot wall segment.Type: GrantFiled: July 12, 2013Date of Patent: November 8, 2016Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Steven E. Morris, Jennifer P. Lawall
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Patent number: 9488241Abstract: An energy absorber is disclosed herein. The energy absorber includes a structure defining a hollow interior portion. The energy absorber also includes a working volume defined in at least a portion of the hollow interior portion. The energy absorber further includes shape memory alloy (SMA) particles positioned within the working volume. The SMA particles have an Austenite finish temperature (Af) that is lower than a temperature encountered in an application in which the energy absorber is used so that the SMA particles exhibit stress-induced superelasticity.Type: GrantFiled: July 30, 2013Date of Patent: November 8, 2016Assignee: GM Global Technology Operations LLCInventors: Alan L. Browne, Nancy L. Johnson
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Patent number: 9487104Abstract: A method for controlling an electrically-powered torque machine of a powertrain system includes determining a predicted torque command to control the torque machine. A flux command is determined responsive to the predicted torque command. The flux command is a flux level providing a fast torque reserve that is responsive to the predicted torque command. The fast torque reserve is a prescribed minimum rate of change in torque output from the torque machine responsive to the predicted torque command. An inverter controller controls flux of the torque machine responsive to the flux command.Type: GrantFiled: December 2, 2013Date of Patent: November 8, 2016Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Jihoon Jang, Sean W. McGrogan, William R. Cawthorne, Krunal P. Patel, Bon Ho Bae
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Patent number: 9487251Abstract: A vehicle includes an air intake opening disposed at a forward end of a body, and a duct, having an air inlet, a first outlet, and a second outlet. The air inlet is disposed adjacent the air intake opening. The first outlet is configured for directing the flow of air across a brake system. The second outlet is configured for directing the flow of air across an exterior surface of a wheel. A shutter is disposed within the duct, and is moveable between a first position and a second position. When disposed in the first position, the airflow control mechanism is configured for directing the flow of air through the first outlet and blocking airflow through the second outlet. When disposed in the second position, the airflow control mechanism is configured for directing the flow of air through the second outlet and blocking airflow through the first outlet.Type: GrantFiled: March 17, 2015Date of Patent: November 8, 2016Assignee: GM Global Technology Operations LLCInventors: Christopher G. Gibson, Emily Symington
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Patent number: D770941Type: GrantFiled: June 3, 2015Date of Patent: November 8, 2016Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Byung Kwon Jeon