Interrelated power delivery controls, including engine control inventions 02/09

20090054201 - Automotive drive train and method for reducing chatter in the same: The invention relates to a method for reducing chatter in automotive drive train which comprises an internal combustion engine as the drive and a clutch device. According to the method, a rotating component of the drive train is driven by means of the internal combustion engine and the speed of... Agent: Davidson, Davidson & Kappel, LLC

20090054200 - Holding a hybrid electric vehicle on an inclined surface: A method for controlling a vehicle powertrain that includes a first power path including a first electric machine driveably connected to a first wheel set and a second power path including a second electric machine driveably connected to a second wheel set, including determining a desired wheel torque required to... Agent: Macmillan, Sobanski & Todd, LLC

20090054202 - Right-and-left-wheel differential torque generator of vehicle: A right-and-left-wheel differential torque generator makes a deceleration acted on a vehicle body to be corrected in small even when a rotating electric machine for generating a right-and-left-wheel differential torque is operated to generate a yaw moment of the vehicle, for this purpose, a correcting throttle opening is added to... Agent: Crowell & Moring LLP Intellectual Property Group

20090054203 - Hydrodynamic coupling device for hybrid vehicles: A hydrodynamic coupling device including: a housing; a sealing plate rotationally connected to the housing; a pump disposed within the housing; a turbine disposed within the housing and in fluid communication with the pump; and a dry chamber at least partially enclosed by the housing and the sealing plate. A... Agent: Simpson & Simpson, PLLC

20090054204 - Engine unit and straddle-type vehicle: A continuously variable transmission of an engine unit. A driving side pulley is mounted on a crankshaft. A driven side pulley is mounted on a driven shaft. A belt is looped around the driving and driven side pulleys. The continuously variable transmission is housed in a transmission case. The transmission... Agent: Hogan & Hartson L.L.P.

20090054205 - Acceleration shock reduction apparatus for vehicle: A vehicle control system includes a prime mover, a power transmission apparatus disposed between the prime mover and at least one wheel, an engaging element configured to selectively engage and disengage the prime mover from the at least one wheel, and a torque limiter configured to restrict an output torque... Agent: Osha Liang L.L.P.

20090054206 - Torque converter: A torque converter having a lockup clutch or a coupling device, for selectively providing a mechanical connection between a drive unit and a drive train. The lockup clutch (C) or coupling device has a driving part connected to the drive unit and a driven part connected to the drive train.... Agent: Fitch Even Tabin And Flannery

20090048064 - Drive system for electrically driven dump truck: A drive system of an electrically driven dump truck is capable of achieving an operational feeling in which the operation amount of the accelerator pedal is well balanced with the output horsepower of the electric motors, particularly at the time of slow traveling. To achieve this, the target motor output... Agent: Mattingly, Stanger, Malur & Brundidge, P.C.

20090048063 - Rollback control of a hybrid electric vehicle: In a powertrain that includes an engine driveably connected to a load and an electric machine driveably connected to the load, a method for controlling a vehicle located on an incline against rollback includes determining a magnitude of wheel torque required to prevent the vehicle from rolling back, determining whether... Agent: Macmillan, Sobanski & Todd, LLC

20090048065 - Drive train as well as a method of operating a hyraulic pump of a drive train: A method of operating a hydraulic pump of a drive train of a motor vehicle having a transmission with a hydrodynamic torque converter and a engine, with the input speed of the hydraulic pump being adjusted depending on the speed of the engine. The input speed of the hydraulic pump... Agent: Davis & Bujold, P.l.l.c.

20090048067 - Method and device for controlling a fluid-actuated control system: A method and a device for controlling a fluid-actuated control system of an automatic or automated transmission of a motor vehicle, which has at least one pressure medium source, at least two control elements that are actuated by pressurized fluid and a control device for controlling the fluid-actuated control system.... Agent: Davis & Bujold, P.l.l.c.

20090048066 - Transmission shift assembly for a vehicle and a method of monitoring the same: The present invention provides for a transmission shift assembly for a vehicle and a method of monitoring the same. The assembly includes a transmission having a shift position member movable between a plurality of gear positions. A linkage is coupled to an actuator and movable between a plurality of positions... Agent: Howard & Howard Attorneys, P.C.

20090042688 - Control apparatus of electric motor: An apparatus to control an electric motor to drive an electric-powered vehicle includes an accelerator position detector, a current controller to provide current to the electric motor through an inverter, a semiconductor device of the current controller configured to operate the inverter in response to a detected accelerator position, and... Agent: Osha Liang L.L.P.

20090042690 - Control device for vehicle power transmitting apparatus: There is provided correspondence controlling means 106 for controlling a transmission mechanism 10 (a differential portion 11). An automatic shifting portion 20 can be shifted when a command for shifting by a manual shift operation is issued in an operating region which restricts the shifting is restricted. Thus, an operable... Agent: Oliff & Berridge, PLC

20090042689 - Launch control of a hybrid electric vehicle: A method for controlling the launch of a vehicle having a powertrain that includes a first power path for driving a first wheel set and including an engine, a transmission having an input driveably connected to a crankshaft of the engine, a current gear, an input clutch associated with the... Agent: Macmillan, Sobanski & Todd, LLC

20090042691 - Control device for vehicular power transmitting apparatus: A control device for a vehicular power transmitting apparatus, having engaging devices including a one-way clutch, is disclosed which prevents a locked state of the one-way clutch from causing the occurrence of slippages of other engaging devices to avoid a drop in durability of the engaging device. To achieve this... Agent: Oliff & Berridge, PLC

20090042692 - Apparatus and method for controlling automatic transmission: The control apparatus includes a so-called pre-shift means. The pre-shift means operates a predetermined synchromesh based on a result of prediction by a predicting means. It thereby couples together a transmission input shaft with which a friction transfer mechanism having not been used for achievement of a current gear position... Agent: Crowell & Moring LLP Intellectual Property Group

20090042693 - Power transmission controlling apparatus: A power transmission controlling apparatus for controlling a power transmission mechanism provided with a main transmission 2 and an auxiliary transmission 2 to be operated in any one of the changeable high and low speed output states. The auxiliary transmission 20 is operative to perform a changing operation to change... Agent: Sughrue Mion, PLLC

20090042694 - Shift control method of an automatic transmission: A shift control method of an automatic transmission for controlling a shift from an nth speed, achieved by engagement of first and second frictional elements to an (n−3)th speed, achieved by engagement of third and fourth frictional elements. The method includes (a) beginning release control of the first element; (b)... Agent: Jin Soo Lee