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

20090239703 - Hybrid powertrain and a method for controlling a hybrid powertrain: A hybrid powertrain includes a combustion engine operable to output rotational power thereat, an electric machine arrangement operable to output rotational power thereat, a gearbox arrangement for receiving rotational power from at least one of the combustion engine and the electric machine arrangement and being operable to couple motive power... Agent: Wrb-ip LLP

20090239704 - Method for controlling shifts in an automated step-down transmission: A method of controlling an automated step-down transmission, arranged in a drivetrain between an engine and a drive axle, which includes a multi-stage main transmission and a range group. The main transmission has an intermediate transmission style with a countershaft having a transmission brake and an input shaft connected, via... Agent: Davis & Bujold, P.l.l.c.

20090239705 - Control device and control method for vehicle: By shifting a lock-up clutch of a torque converter from a released state into an engaged state on condition that a gear ratio of an input shaft of a CVT to an output shaft of the CVT is decreasing (upshift), a lock-up control at the time of an increase in... Agent: Sughrue Mion, PLLC

20090239706 - Work vehicle having hydraulic stepless speed changing apparatus: A work vehicle includes a hydraulic stepless speed changing apparatus and a gear type speed changing apparatus operable to receive output from the hydraulic stepless speed changing apparatus to convert it into a plurality of stages of speed. A return oil passage connected to a high-pressure side circuit of the... Agent: The Webb Law Firm, P.C.

20090239707 - Active fuel management mode torque converter clutch control: A system comprises a slip module and a gas temperature module. The slip module adjusts slipping of a clutch of a torque converter based on a first slip value before a cylinder of an engine is deactivated. The gas temperature module determines a temperature of a gas within the cylinder... Agent: Harness Dickey & Pierce, P.L.C

20090233760 - Detecting operation of a vehicle on an ascending grade: In a vehicle that includes an engine driveably connected to the vehicle wheels, an accelerator pedal, and an electric motor for transmitting power to at least some of the vehicle wheels, a method for indicating that the vehicle is operating on a grade having positive slope includes determining that displacement... Agent: Macmillan, Sobanski & Todd, LLC

20090233757 - Transmission downshift input torque modulation for a hybrid electric vehicle: In a powertrain for motor vehicle that includes an engine, an electric machine able to function alternately as a motor and a generator, and a transmission whose input is driveably connected to the engine and the electric machine, a method for controlling transmission input torque during an downshift including using... Agent: Macmillan, Sobanski & Todd, LLC

20090233758 - Transmission upshift input torque modulation for a hybrid electric vehicle: In a powertrain for motor vehicle that includes an engine, an electric machine able to function alternately as a motor and a generator, and a transmission whose input is driveably connected to the engine and the electric machine, a method for controlling transmission input torque during an upshift including using... Agent: Macmillan, Sobanski & Todd, LLC

20090233759 - Work machine with auxiliary power unit and intelligent power management: A work machine includes a primary power unit having a rated primary output. The primary power unit is couplable with at least one primary load, including a propulsion load. An auxiliary power unit is mechanically independent from the primary power unit, and has a rated auxiliary output which is smaller... Agent: Taylor & Aust, P.c/deere & Company

20090233761 - Overrun prevention system for an automatic transmission: A system and method for overrun prevention is disclosed. Overrun of a one-way clutch may be prevented by determining a current torque value. When a current torque value approaches a negative value, a shift to a gear without a one-way clutch may be performed. Driving control may be increased by... Agent: Plumsea Law Group, LLC

20090233762 - Systems and methods for adjusting downshift points in vehicle transmissions: A method for adjusting downshift points of a vehicle transmission to assist vehicle braking in a vehicle having a brake system with a brake master cylinder and a brake pedal for actuating the brake system may comprise determining if the brake pedal is pressed. When the brake pedal is pressed,... Agent: Dinsmore & Shohl LLP

20090233763 - Systems and methods for controlling automatic transmission fluid: Systems and methods of controlling automatic transmission fluid (ATF) in a vehicle include torque converter systems generally having a pump, a turbine and a stator. The stator is selectively rotated during periods of predetermined low ATF temperature, thereby causing temporarily induced inefficiencies that warm the ATF... Agent: Dinsmore & Shohl LLP

20090233764 - Method for operating an automatic gearbox: A method for operating an automatic transmission of a motor vehicle, in particular a variable-speed transmission. The automatic transmission includes at least five shift elements and to transfer torque or force transfer in a forward gear and a reverse gear at least three shift of the at least five elements... Agent: Davis & Bujold, P.l.l.c.

20090233765 - Control system and method for accelerator pedal based shift point stabilization for an automatic transmission: A control system for determining a desired gear ratio of an automatic transmission includes a pedal rate module that determines a pedal rate of an accelerator pedal, and a shift module that determines the desired gear ratio of the transmission based on a position of the accelerator pedal and the... Agent: Harness Dickey & Pierce, P.L.C

20090233766 - Clutch torque control system of hybrid electric vehicle: The present invention provides a clutch torque control system of a hybrid electric vehicle, which performs an engine rotational speed control in a power generation system including an engine, a motor-generator, and a clutch for controlling connection and disconnection between the engine and the motor-generator.... Agent: Edwards Angell Palmer & Dodge LLP

20090227416 - Power transmission device and method of assembling the same: A power transmission unit in which an inspection and tuning of an electric motor can be carried out easily. In the power transmission unit, a rotor of the electric motor is arranged between a first shaft of an input side and a second shaft of an output side, and in... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090227417 - Control apparatus for vehicular power transmitting system: A control apparatus for a vehicular power transmitting system including (a) an electrically controlled differential portion having a differential mechanism disposed between an engine and a vehicle drive wheel, and a differential-portion electric motor operatively connected to the differential mechanism such that a differential state of the differential mechanism is... Agent: Oliff & Berridge, PLC

20090227418 - Methods and systems for regulating hill descent speed of an electric vehicle: A method for regulating the speed at which an electric vehicle descends a hill includes determining a position of a shift lever and determining if the vehicle accelerator and/or the vehicle brake are depressed. If the vehicle is in either drive or reverse and neither the vehicle accelerator nor the... Agent: Dinsmore & Shohl LLP

20090227419 - Transmission system and method for performing a gearshift: A transmission system including a selector assembly (27,29,31) arranged to select between gear ratios instantaneously without substantial power interruption, said selector assembly (27) including first and second sets of engagement members (35,36) and an actuator system (38) having a first actuator member (48) for moving the first set of engagement... Agent: Knobbe Martens Olson & Bear LLP

20090227420 - Fast exit mode engine torque control systems and methods: An engine control system of a vehicle comprises a first module and a cylinder deactivation module. The first module selectively adjusts torque output by an engine based on a vehicle torque request that is greater than a driver torque request. The cylinder deactivation module selectively deactivates a cylinder of the... Agent: Harness Dickey & Pierce, P.L.C

20090227421 - Power transfer device: The object of the present invention is to suppress the generation of abnormal noise from a transmission system that occurs when a vehicle is turning. A front wheel output shaft is directly linked with the transmission system, and a rear wheel output shaft is linked to the transmission system via... Agent: Haynes And Boone, LLPIPSection

20090227422 - Torque converter clutch apply adapt and quality apply detection converter slip acceleration: A torque converter clutch slip rate monitoring system includes a slip rate calculation module that receives a raw slip speed of a torque converter clutch and that calculates torque converter clutch slip acceleration based on the raw slip speed. A torque converter clutch slip rate monitoring module detects deviation of... Agent: General Motors Corporation Legal Staff

20090227423 - Electric parking brake having a control element for switching into a service mode: During service and repair work on an electric parking brake (1) of a motor vehicle, there is the problem that, in order to switch into a service mode in which the parking brake (15) can be completely opened, in order for example to be able to exchange a brake cable,... Agent: King & Spalding LLP

20090221399 - Method for adapting an automated transmission of a heavy vehicle in consideration of a speed sensitive pto: Method for adapting an automated transmission of a heavy vehicle in consideration of a speed sensitive PTO. The method selects appropriate gears based on the constraint that the engaged PTO should remain below a set speed limit. The information about the speed limit of the PTO is used by the... Agent: Wrb-ip LLP

20090221400 - Method for obtaining fuel-loaded exhaust gases and related motor vehicle: A method for obtaining fuel-loaded exhaust gases by late and/or delayed injection(s) of fuel into a Diesel engine combustion chamber of a motor vehicle including an automatic gearbox robotized or with constant torque variation. The laws defining the reduction ratio of the gearbox are modified to limit dilution of the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.