Patents Assigned to Bayerishe Motoren Werke Aktiengesellschaft
  • Patent number: 9620750
    Abstract: The present invention refers to a high-voltage battery for power supply, particularly of an automotive vehicle, comprising: an energy storage module with a plurality of electrochemical storage cells and a wall accommodating the plurality of storage cells, each storage cell comprising at least two electric connection terminals, and an upper part for contacting and covering the connection terminals, said upper part overlapping the wall in a contactless manner, so that a gap remains relative to the storage cells.
    Type: Grant
    Filed: November 23, 2012
    Date of Patent: April 11, 2017
    Assignee: Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Hubertus Goesmann, Christoph Born, Harald Heck, Frank Warmuth
  • Publication number: 20140069690
    Abstract: A cell connector for the electrically conductive connection of a first cell terminal of a first electrochemical cell and a second cell terminal of a second electrochemical cell of an electrochemical device is provided, the cell connector including a first contact region for connection to the first cell terminal and a second contact region for connection to the second cell terminal, where the cell connector allows a large relative displacement between the first contact region and the second contact region even under the influence of only small deformation forces. The cell connector can include a base body made of two or more material layers, at least two material layers being connected to one another in one piece along a fold line.
    Type: Application
    Filed: November 19, 2013
    Publication date: March 13, 2014
    Applicants: Bayerishe Motoren Werke Aktiengesellschaft, ElringKlinger AG
    Inventors: Armin Diez, Hubertus Goesmann, Axelle Hauck, Christian Zachar
  • Patent number: 8427342
    Abstract: A method and system of the invention locates an available vehicle parking space. In the method, parked information indicative of a parked condition is stored in a first vehicle. The first vehicle may detect a change in condition from the parked condition to a vacating condition. The first vehicle then communicates the change in condition from the first vehicle to a neighboring searching vehicle and the searching vehicle detects the change.
    Type: Grant
    Filed: April 6, 2010
    Date of Patent: April 23, 2013
    Assignee: Bayerishe Motoren Werke Aktiengesellschaft
    Inventor: Alexander Busch
  • Patent number: 7555374
    Abstract: A method for detecting speed faults in a hybrid powertrain having engine and electric machine speed inputs includes directly sensing the engine and machine speeds and performing comparisons of sensed engine speed with engine speed determined based upon the machine speeds.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: June 30, 2009
    Assignees: GM Global Technology Operations, Inc., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Peter E. Wu, Charles J Van Horn, Wei D. Wang, Syed Naqi
  • Publication number: 20090118079
    Abstract: A method for controlling a powertrain system includes monitoring voltage of an energy storage device. The method further includes modifying a preferred voltage limit when the voltage of the energy storage device transgresses a trigger voltage limit, and determining the power constraint of a first power actuator based on the estimated output power of the energy storage device when the voltage of the energy storage device transgresses the preferred voltage limit.
    Type: Application
    Filed: October 1, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: ANTHONY H. HEAP, WILFRIED BRUNSSEN
  • Publication number: 20090118914
    Abstract: A hybrid powertrain system includes an internal combustion engine operatively connected to a second torque machine to transmit torque to an output member. A method for operating the hybrid powertrain system includes monitoring an operator torque request, determining an output torque command based upon the operator torque request, commanding a transition between an engine-off state and an engine-on state, monitoring an engine crank angle, spinning the engine unfueled, estimating cylinder pressure based upon the engine crank angle during the spinning of the engine, predicting a cylinder pulse torque based upon the cylinder pressure, determining a cancellation torque for the second torque machine based upon the predicted cylinder pulse torque, and controlling motor torque output from the second torque machine based upon the cancellation torque and the output torque command.
    Type: Application
    Filed: October 18, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: R. Travis Schwenke, Todd D. Brandel
  • Publication number: 20090115365
    Abstract: A method to determine a limit torque associated with an electro-mechanical transmission includes determining electric motor torque constraints and battery power constraints. A limit torque function and a standard form of the limit torque function are determined. The limit torque function and the motor torque constraints and the battery power constraints are transposed to the standard form to determine a limit torque.
    Type: Application
    Filed: September 27, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Tung-Ming Hsieh
  • Publication number: 20090118084
    Abstract: A method to control a powertrain including a transmission, an engine, and an electric machine includes monitoring a desired transmission shift including an oncoming clutch, monitoring operational parameters of the powertrain, monitoring a maximum electric machine torque capacity, determining a desired output torque profile through the desired transmission shift, determining a maximum electric machine torque capability profile through the desired transmission shift based upon the maximum electric machine torque capacity and the operational parameters, comparing the desired output torque profile to the maximum electric machine torque capability profile, determining a preferred oncoming clutch torque profile through the desired transmission shift based upon the comparing, and executing a clutch assisted shift based upon the preferred oncoming clutch torque profile.
    Type: Application
    Filed: October 14, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Jy-Jen F. Sah
  • Publication number: 20090118932
    Abstract: An engine is coupled to an input member of a hybrid transmission, the hybrid transmission operative to transfer power between the engine and a second torque machine and an output member. A method for controlling the engine includes monitoring an operator torque request, commanding operation of the hybrid transmission in a continuously variable operating range state, determining engine commands comprising a first engine torque request and a second engine torque request based upon the operator torque request and the operation of the hybrid transmission, determining an engine torque constraint comprising a maximum engine torque based upon a capacity of the hybrid transmission to react the engine torque, and controlling engine operation based upon the first engine torque request only when the second engine torque request exceeds the engine torque constraint.
    Type: Application
    Filed: October 14, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Jy-Jen F. Sah, Lawrence A. Kaminsky
  • Publication number: 20090118939
    Abstract: An engine is coupled to an input member of a hybrid transmission. The hybrid transmission is operative to transfer torque between the input member and a torque machine and an output member to generate an output torque in response to an operator torque request. The torque machine is connected to an energy storage device.
    Type: Application
    Filed: October 20, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Wilfried Brunssen, Scott J. Thompson
  • Publication number: 20090118901
    Abstract: A method to monitor integrity of a motor torque command for a transmission in a hybrid powertrain system includes calculating motor torque commands for the torque generating machines. Torque corrections for the motor torque commands are determined. The motor torque commands are adjusted based upon the torque corrections. The adjusted motor torque commands are verified based upon an estimated output torque.
    Type: Application
    Filed: October 6, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: William R. Cawthorne, Hanne Buur, Paul A. Stanowski
  • Publication number: 20090118923
    Abstract: A method for controlling a powertrain system includes monitoring an operator torque request, selecting a candidate powertrain system operating point, and determining a preferred engine torque range, a preferred torque machine torque range, and a preferred energy storage device output power range. The method further includes determining an engine torque, a torque machine torque, and an energy storage device output power based upon the operator torque request and the candidate powertrain system operating point. Power costs for operating the powertrain at the candidate powertrain system operating point are determined based on the determined engine torque, the determined torque machine torque, and the determined energy storage device output power range. Penalty costs are determined relative to the preferred engine torque range, the preferred torque machine torque range, and the preferred energy storage device output power range for operating the powertrain at the candidate powertrain system operating point.
    Type: Application
    Filed: September 23, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Kee Yong Kim
  • Publication number: 20090118963
    Abstract: A powertrain system includes an engine coupled to a transmission operative in one of a plurality of operating range states to transfer power between the engine and an output member. A method for controlling the powertrain system includes monitoring an operator torque request, monitoring barometric pressure and engine input speed to the transmission, determining an achievable range of input power transferable from the engine to the transmission based upon the barometric pressure and the engine input speed, and determining a preferred operating range state for the transmission and a preferred engine operating point at the preferred operating range state based upon the operator torque request and the achievable range of input power.
    Type: Application
    Filed: October 15, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventor: Anthony H. Heap
  • Publication number: 20090118090
    Abstract: An internal combustion engine is connected to a transmission to transmit tractive power to a driveline. Engine coolant temperature is determined, and power output of the engine is adjusted based upon the coolant temperature and preferred coolant temperature range. The transmission is controlled to transmit tractive power to the driveline to meet an operator torque request based upon the adjusted power output of the engine.
    Type: Application
    Filed: September 19, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, John L. Lahti
  • Publication number: 20090118935
    Abstract: A powertrain system includes an engine coupled to an electro-mechanical transmission to transfer power between the engine and a plurality of torque generating machines and an output member. The transmission is operative in one of a plurality of operating range states through selective application of torque transfer clutches and the engine is operatively coupled to a main hydraulic pump to supply pressurized fluid to a hydraulic circuit operative to apply the torque transfer clutches. A method for controlling the powertrain system includes determining an output torque request to the output member, determining a pressure output of the main hydraulic pump based upon an engine input speed, calculating a clutch reactive torque capacity for each applied torque transfer clutch based upon the pressure output of the main hydraulic pump, and determining a preferred engine input speed to achieve the clutch reactive torque capacity to meet the output torque request to the output member.
    Type: Application
    Filed: October 15, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Jy-Jen F. Sah
  • Publication number: 20090118927
    Abstract: A method to determine a preferred operating point for an internal combustion engine includes determining a current set of candidate operating points for a current search iteration. The method further includes iteratively determining an operating cost for operating the internal combustion engine at each candidate operating point of the current search iteration, and determining the preferred operating point for operating the internal combustion engine after a predetermined number of search iterations.
    Type: Application
    Filed: September 29, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Bin Wu, Wilfried Brunssen, Jason J. McConnell, Kee Yong Kim, Brian R. Medema
  • Publication number: 20090118922
    Abstract: Methods and systems for manipulating inputs relating to transmission shifting events in a hybrid-engine powered vehicle equipped with an electro-mechanical hybrid transmission include sets of preferability factors inputted from engine sensors are combined in a microprocessor or computer with other preferability factors generated during engine and vehicle operation to provide an output for a transmission control module, which may execute an operating range or engine state change. Desirable input speeds for a transmission are determined by defining minimum input speeds for each potential transmission operating range state, and ascribing biasing costs to potential transmission input speeds which are slower than the minimum input speeds defined for each potential transmission operating range state.
    Type: Application
    Filed: September 23, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Kee Yong Kim
  • Publication number: 20090118971
    Abstract: An engine is coupled to an input member of a hybrid transmission and the hybrid transmission is operative to transfer torque between the input member and a torque machine and an output member to generate an output torque in response to an operator torque request. The torque machine is connected to an energy storage device. A method for controlling the engine includes determining a preferred input torque from the engine to the hybrid transmission based upon operator inputs to an accelerator pedal and a brake pedal, determining maximum and minimum allowable input torques from the engine to the hybrid transmission, controlling the engine at the preferred input torque when the preferred input torque is within the maximum and minimum allowable input torques, and controlling the engine based upon the maximum and minimum allowable input torques when the preferred input torque is outside one of the maximum and minimum allowable input torques.
    Type: Application
    Filed: October 21, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Wilfried Brunssen
  • Publication number: 20090118076
    Abstract: A method for controlling a hybrid powertrain system including an engine selectively operative in one of an all-cylinder state and a cylinder deactivation state based upon power costs includes determining engine power costs for each operating range state of the transmission, determining a system power cost, selecting a preferred cost and corresponding engine operating points, selecting a preferred operating range state, selecting the engine state, and controlling the engine based upon the selected operating range state, the selected engine state, and the engine operating points.
    Type: Application
    Filed: September 24, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Kee Yong Kim
  • Publication number: 20090118089
    Abstract: A powertrain system includes an engine mechanically coupled to an electromechanical transmission selectively operative in one of a plurality of transmission operating range states and one of a plurality of engine states. A method for controlling the powertrain system includes determining a current transmission operating range state and engine state, determining at least one potential transmission operating range state and engine state, determining preferability factors associated with the current and potential transmission operating range state and the engine state wherein the preferability factors associated with potential transmission operating range states include load-stabilizing preferability factors, preferentially weighting the preferability factors for the current transmission operating range state and engine state, and selectively commanding changing the present transmission operating range state and engine state based upon the preferability factors.
    Type: Application
    Filed: September 23, 2008
    Publication date: May 7, 2009
    Applicants: GM GLOBAL TECHNOLOGY OPERATIONS, INC., Daimler AG, Chrysler LLC, Bayerishe Motoren Werke Aktiengesellschaft
    Inventors: Anthony H. Heap, Kee Yong Kim