Interrelated power delivery controls, including engine control inventions 05/09

20090137361 - Controller for vehicle drive device: A control system for a drive unit of a vehicle, including a reaction force establishing device controlling a speed change ratio of a continuously variable transmission, and a clutch mechanism arranged on a power transmission route from the continuously variable transmission to a wheel and in which a torque capacity... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090137360 - Controller of vehicle driving device: For this purpose, a control system for a drive unit of a vehicle, in which a speed change mode can be selected from a first speed change mode wherein a total speed change ratio governed by the speed change ratio of the continuously variable speed change unit and the gear... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090137362 - Control device and control method of automatic transmission: A control device of an automatic transmission includes a motor control portion to control an output of a motor that executes a control operation on a clutch control portion. The motor control portion includes a target motor current computation portion that computes a target motor current according to a desired... Agent: Sughrue Mion, PLLC

20090137363 - Method for shifting gears in a dual clutch transmission: A method for shifting gears in a dual clutch transmission within a motor vehicle and a motor vehicle implementing said method are suggested providing a smooth transition between gears particularly in the starting phase. The dual clutch transmission comprises a first clutch and a second clutch as well as a... Agent: Alexander R Schlee SchleeIPInternational P.C.

20090137365 - Method for controlling a clutch: A method of controlling a clutch in a motor vehicle and a motor vehicle adapted to perform this method are suggested, in particular resulting in a good starting phase action for supercharged diesel motors. The method comprises the method steps of: setting a clutch torque that is transmitted by a... Agent: Alexander R Schlee SchleeIPInternational P.C.

20090137364 - Vehicle shift control apparatus: A vehicle shift control apparatus is basically provided with an engine, a drive wheel, a transmission and a controller. The transmission is operatively disposed between the engine and the drive wheel for shifting gears by executing a clutch switch operation so as to change a drive transmission path of the... Agent: GlobalIPCounselors, LLP

20090131215 - Drive force output apparatus, method for controlling same apparatus, and vehicle: A drive force output apparatus has a controller that sets an upper limit of power allowed to be consumed by an auxiliary based on at least a reference power storage amount corresponding to the reference of the range in which the power storage amount of a power storage is monitored... Agent: Kenyon & Kenyon LLP

20090131216 - Controller for vehicle drive device: A vehicle drive unit control system. The vehicle includes a prime mover arranged on a power transmission route from a continuously variable transmission to a wheel, a clutch mechanism arranged on a first route from the prime mover to the wheel, and a shift range or shift position can be... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090131217 - Method for determining the application point of an automatically controlled friction clutch: The instant invention relates to a method for determining an application point of an automatically actuated friction clutch of an automatic mechanical transmission for a motor vehicle. According to it, after the pre-selection of a new gear, the clutch automatically separates, the activated gear is disengaged, the engine rotational speed... Agent: Davis & Bujold, P.l.l.c.

20090131218 - Clutch control system for transmission: A clutch control system for a twin-clutch type automatic/manual transmission AMT includes a hydraulic pump for driving a first clutch and a second clutch and oil passages for transmitting oil pressures and an AMT control unit for controlling the supply of oil pressures into the oil passages. Upon detection of... Agent: Birch Stewart Kolasch & Birch

20090131219 - Activation control device for the clutch packs of a hydraulic double clutch: An activation control device for clutch packs of a hydraulic double clutch is described and illustrated, and in some embodiments comprises a first pressure line having a filling valve and leading from an oil pressure source to the first clutch pack; a second pressure line having a filling valve and... Agent: Michael Best & Friedrich LLP

20090131220 - Shift control method of automatic transmission: A shift control method of an automatic transmission according to this invention controls a shift from an N speed achieved by engagement of first and second frictional elements to an N-3 speed achieved by engagement of third and fourth frictional elements, wherein release of the second frictional element begins after... Agent: Morgan, Lewis & Bockius LLP (sf)

20090131221 - Shift control method of automatic transmission: A shift control method of an automatic transmission according to an exemplary embodiment of the present invention may control a shift from an N speed achieved by engagement of first and second frictional elements to an N−3 speed achieved by engagement of third and fourth frictional elements, wherein release of... Agent: Byeong Wook Jeon

20090131222 - System and method for controlling machine component temperatures: The temperature of a machine component is controlled by transferring heat generated by a torque converter under restricted conditions to the component. The machine includes a circulating fluid system configured to transfer heat from the torque converter to the remotely positioned machine component. A controller is configured to sense the... Agent: Leydig, Voit & Mayer, Ltd

20090131223 - Method and device for detecting a clutch-bite point: Disclosed is a method for detecting a clutch bite-point of a clutch that is connected to a driving motor. A rotational speed of the driving motor and the wheel rotational speed values of the wheels driven by the driving motor are determined. The invention further relates to a device for... Agent: Continental Teves, Inc.

20090124451 - Hybrid powertrain: A hybrid powertrain is provided that includes an engine operatively connected with an input member. The powertrain includes a transmission with first and second electric motor/generators, a differential gear set having multiple members, and selectively engagable torque-transmitting mechanisms. The input member, the output member, the engine and the motor/generators are... Agent: Quinn Law Group, PLLC

20090124450 - Method and system for using mechanical power to operate a hybrid electric vehicle: An automotive transmission transitions from a drive gear to a neutral gear when an engine is shutdown. During a rolling pull-up, a crankshaft of the engine will be spun up to a desired speed and the transmission will transition from the neutral gear to an appropriate gear based on a... Agent: Brooks Kushman P.C./fgtl

20090124453 - Method for operating a hybrid drive system having a torque converter: A method for operating a hybrid drive system, in particular of a motor vehicle, having at least one electric machine and one internal combustion engine, a disconnecting clutch being provided between the electric machine and the internal combustion engine and a torque converter having a turbine wheel being provided between... Agent: Kenyon & Kenyon LLP

20090124452 - Method for starting a piston engine and hybrid drive for performing the method: A method is provided for starting a piston engine of a hybrid drive in an electric travel state. The hybrid drive includes at least the piston engine, an electric motor, a transmission, and a clutch situated between the piston engine and the electric motor. A converter lockup clutch, which is... Agent: Crowell & Moring LLP Intellectual Property Group

20090124454 - Controller of vehicle automatic transmission: A control system capable of ensuring an engine braking force and a drive force even in case a failure occurs in a speed change ratio control or a deceleration control of an automatic transmission. The control system includes: a failure detecting mechanism for detecting a failure to set any of... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090124455 - Method for controlling a belt-type continuously variable transmission and a friction clutch in a vehicular drive line: The invention provides for a vehicle drive line provided with an engine (1) capable of generating an engine torque (Te), a continuously variable transmission (2), a driven wheel (5) and two friction clutches (3, 33), a first clutch (3) being positioned in the drive line between the engine (1) and... Agent: Young & Thompson

20090124456 - Transmission shifting with speed dither and torque dither: A system and method of dithering speed and/or torque for shifting a transmission of a vehicle having an engine, a reversible, variable displacement hydraulic motor/pump which can be driven by the engine, a hydraulic accumulator supplied by said motor/pump, and at least one reversible hydraulic driving motor for propelling the... Agent: Don W. Bulson (park) Renner, Otto, Boisselle & Sklar, LLP

20090124457 - Vehicle braking force controller: A braking force application control is performed when a change in a driver's posture takes place while a brake pedal is turned on when a vehicle is stopped. As a consequence, in a case in which the driver's posture changes such as when the driver turns to a rear seat... Agent: Buchanan, Ingersoll & Rooney PC

20090124458 - Dual-drive transmission: A dual-drive transmission, comprising a front shaft, a back shaft, a rear axle housing having a pair of half shafts, a central propeller shaft, a hub, and an electromagnetic splined clutch; a forestage gear is disposed on the central propeller shaft, a drive gear engaged with the forestage gear is... Agent: Matthias Scholl

20090118078 - Method and apparatus for controlling a hybrid powertrain system: A control method for vehicular hybrid powertrain system includes monitoring operator inputs to an accelerator pedal and a transmission gear selector, and determining an operator torque request based upon the operator inputs to the accelerator pedal and the transmission gear selector. Torque output from the electric machine is commanded based... Agent: Cichosz & Cichosz, PLLC

20090118074 - Method and apparatus to monitor rotational speeds in an electro-mechanical transmission: A powertrain includes an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and an electric machine to selectively transmit mechanical power to an output member. Powertrain operation includes monitoring operator inputs, and determining input speeds and changes in input speeds for the internal combustion engine and the electric machine.... Agent: Cichosz & Cichosz, PLLC

20090118081 - Method for controlling power actuators in a hybrid powertrain system: A method for controlling a powertrain system includes controlling a first power actuator based upon a set of power constraints for the first power actuator. The method further includes controlling a second power actuator based upon the set of power constraints for the second power actuator.... Agent: Cichosz & Cichosz, PLLC

20090118079 - Method for controlling voltage within a powertrain system: 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... Agent: Cichosz & Cichosz, PLLC

20090118080 - Method for managing electric power within a powertrain system: A method for controlling a powertrain system includes monitoring output power of the energy storage device, modifying a preferred electric power limit when the output power of the energy storage device transgresses a trigger power limit, and determining the power constraint of the first power actuator based on the estimated... Agent: Cichosz & Cichosz, PLLC

20090118076 - Method for preferential selection of mode and gear and input speed based on multiple engine state fueling costs for a hybrid powertrain system: 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... Agent: Cichosz & Cichosz, PLLC

20090118075 - Method for preferential selection of modes and gear with inertia effects for a hybrid powertrain system: A method for controlling a hybrid powertrain system selectively operative in one of a plurality of operating range states including an engine includes monitoring an operator torque request and a rotational speed of the output member, determining inertial effects of the transmissions, determining motor torque outputs from the electrical machines... Agent: Cichosz & Cichosz, PLLC

20090118077 - System constraints method of controlling operation of an electro-mechanical transmission with an additional constraint: Operation of an electro-mechanical transmission includes determining motor torque constraints and battery power constraints. An additional constraint on the electro-mechanical transmission is determined. A preferred output torque is determined that is achievable within the motor torque constraints and based upon the additional constraint and the battery power constraints.... Agent: Cichosz & Cichosz, PLLC

20090118085 - Method and apparatus for adapting engine operation in a hybrid powertrain system: A powertrain includes an engine coupled to an input member of a hybrid transmission. The hybrid transmission is operative to transfer power between an input member and a plurality of torque machines and an output member. A method for controlling the powertrain includes, monitoring operation of the hybrid transmission, determining... Agent: Cichosz & Cichosz, PLLC

20090118083 - Method and apparatus to control engine torque to peak main pressure for a hybrid powertrain system: A method to control a powertrain including a transmission, an engine, and an electric machine includes monitoring a rotational speed of the engine, monitoring a temperature of a transmission fluid, determining a maximum hydraulic pressure within a hydraulic control system based upon the rotational speed of the engine and the... Agent: Cichosz & Cichosz, PLLC

20090118086 - Method and apparatus to offload offgoing clutch torque with asynchronous oncoming clutch torque, engine and motor torque for a hybrid powertrain system: A powertrain includes an electromechanical transmission mechanically-operatively coupled to an internal combustion engine and an electric machine adapted to selectively transmit mechanical power to an output member. A method for controlling the powertrain includes commanding a shift from a first operating range state to a second operating range state, identifying... Agent: Cichosz & Cichosz, PLLC

20090118084 - Method and apparatus to perform asynchronous shifts with oncoming slipping clutch torque for a hybrid powertrain system: 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... Agent: Cichosz & Cichosz, PLLC

20090118082 - Method and apparatus to prioritize input acceleration and clutch synchronization performance in neutral for a hybrid powertrain system: A method for controlling a powertrain includes operating a transmission in a neutral operating range state, monitoring commands affecting an input speed, monitoring a tracked clutch slip speed, determining constraints on an input acceleration based upon the commands, determining a clutch slip acceleration profile based upon the constraints on the... Agent: Cichosz & Cichosz, PLLC

20090118087 - System constraints method ofcontrolling operation of an electro-mechanical transmission with an additional constraint range: A method for controlling an electromechanical transmission mechanically coupled to first and second electric machines to transmit power to an output member includes determining motor torque constraints and battery power constraints. A preferred output torque to an output member is determined that is achievable within the motor torque constraints, within... Agent: Cichosz & Cichosz, PLLC

20090118088 - Surrogate engine speed signal for controlling a dual clutch powershift transmission: A method for launching a vehicle having an engine shaft, first and second transmission input shafts, first and second input clutches, a coupler, a power path, and an output, the method including engaging the coupler to connect the first input shaft and the first output shaft through the power path,... Agent: Macmillan, Sobanski & Todd, LLC

20090118089 - Method for load-based stabilization of mode and fixed gear operation of a hybrid powertrain system: 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,... Agent: Cichosz & Cichosz, PLLC

20090118090 - Method and apparatus to control engine temperature for a hybrid powertrain: 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... Agent: Cichosz & Cichosz, PLLC

20090118091 - Method and apparatus to control temperature of an exhaust aftertreatment system for a hybrid powertrain: An internal combustion engine is fluidly connected to an exhaust aftertreatment system and operatively connected to an electro-mechanical transmission to transmit tractive power to a driveline. The engine is controlled during an engine operating cycle by determining a temperature of the exhaust aftertreatment system and adjusting power output of the... Agent: Cichosz & Cichosz, PLLC

20090118092 - Transmission shifting responsive to borderline knock limits: A method for operating an engine and transmission in a vehicle is described. The method comprises up-shifting the transmission based on whether engine knock limits spark advance at engine conditions after the up-shift. Further, the method may include accounting for differences in fuel types, and their effects on engine knock... Agent: Alleman Hall Mccoy Russell & Tuttle, LLP

20090118093 - Control system for engine torque management for a hybrid powertrain system: An engine is mechanically coupled to a transmission device, the transmission device operative to transfer mechanical power between the engine and a second power generating device and an output member. A method for controlling the engine includes monitoring an operator demand for power, selecting a preferred engine state, determining a... Agent: Cichosz & Cichosz, PLLC

20090118094 - Method for determining input speed acceleration limits in a hybrid transmission: A powertrain system includes a transmission operative to transfer power between an input member and first and second torque machines and an output member. The first and second torque machines are connected to an energy storage device and the transmission is operative in a continuously variable operating range state. A... Agent: Cichosz & Cichosz, PLLC

20090118095 - Controller of power transmission: For this purpose, there is provided a control system for a power transmission system, which has at least two transmission units having different responsiveness to a speed change and capable of setting a speed change ratio individually, and in which a total speed change ratio is determined according to the... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20090118096 - Automatic transmission upshift timing: Methods and apparatus for control of a transmission are described, including provision of a shift initiation signal to the transmission when the engine speed attains an initiation point engine speed, the initiation point engine speed being adjustable as a function of a rate of change of engine speed so as... Agent: Gifford, Krass, Sprinkle, Anderson & Citkowski, P.C.

20090118097 - Hydraulic control system of eight-speed automatic transmission for a vehicle: Eight forward speeds and one reverse speed of an automatic transmission are achieved by: controlling a first clutch by a first pressure control valve controlled a first proportional control solenoid valve and a first pressure switching valve; controlling a second clutch by a second pressure control valve controlled by a... Agent: Morgan, Lewis & Bockius LLP (sf)