Interrelated power delivery controls, including engine control inventions 06/08

20080153660 - Control device and control method for powertrain, program for implementing the control method, and recording medium containing the program: A shock caused due to a change in the direction of torque transferred to an output shaft is reduced. There is provided a control device for a powertrain including a drive power source that transfers torque to an output shaft connected to a wheel of a vehicle, and a rotary... Agent: Oliff & Berridge, Plc

20080153661 - Control device for vehicular drive system: A vehicular drive system is disclosed as including an electrically operated differential portion (16) disposed in a power transmitting path between an engine (8) and drive wheels (38) for controlling an operating state of an electric motor (M), connected to a rotary element of a differential portion (11), for controlling... Agent: Oliff & Berridge, Plc

20080153662 - Differential steering control for a continuously variable transmission machine: A differential steering control system and method for a machine includes a motor for steering the machine in a leftwards or a rightwards direction, a continuously variable transmission for moving the machine in a forwards or a backwards direction, and a control unit connected to the motor and the continuously... Agent: Caterpillar Inc. Intellectual Property Dept.

20080153664 - Control apparatus for vehicular drive system: A control apparatus for a vehicular drive system including a first or continuously-variable transmission portion and a second or step-variable transmission portion which are disposed in series with each other, the first transmission portion being switchable between a continuously-variable shifting state and a step-variable shifting state, and the second transmission... Agent: Oliff & Berridge, Plc

20080153663 - Transmission with resistance torque control: The transmission includes a minimal-orbiter gear complex and a single infinitely-variable rotary control device. The minimal orbiter includes only a control gear and an output gear interconnected by the different gearing portions of at least one cluster gear supported by an orbiting web responsive to an input drive provided by... Agent: Morton A. Polster Brown & Michaels, P.c.

20080153665 - Control device for continuously variable transmission: An object of the present invention is to avoid unnecessary accumulation of a correction value during feedback control, even when a secondary pressure control valve enters a state of failure. A continuously variable transmission comprises a primary pulley supplied with a primary pressure that has been adjusted via a primary... Agent: Smith, Gambrell & Russell

20080153666 - Transmission configuration and method for controlling a transmission: A transmission configuration includes an automated dual-clutch transmission having two transmission sections with respective input shafts, respective output shafts and respective motor clutches. The motor clutches are connected, on a motor side thereof, to a drive shaft and to a respective one of the input shafts on a transmission side... Agent: Manfred Beck, P.a.

20080153667 - Vehicle controller and vehicle control method: When a release of an accelerator is detected during a shift of an automatic transmission, instead of discharging the hydraulic pressure for engagement of an engaging device of the automatic transmission immediately after the release of the accelerator is detected during a shift, the hydraulic pressure for engagement of the... Agent: Sughrue Mion, Pllc

20080153668 - Automatic transmission with improved shift quality: A modification to the manual valve of an automatic transmission is provided which improves the shift quality of the automatic transmission when the transmission is shifted from a drive gear to either Park or Neutral. More particularly, the invention provides a control orifice which regulates the release of hydraulic fluid... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20080153669 - Hill hold method and system: A hill-hold method and system for a vehicle with manual transmission provides automated brake release timing when the vehicle's clutch is still disengaged to minimize or even prevent backward coasting of such a vehicle on a non-zero grade or hill by delaying full release of the brakes when the vehicle... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20080146405 - Powertrain and method of controlling powertrain: An ECU executes a program including the steps of: providing control over an engine coupled to a carrier for driving a first MG coupled to a sun gear in a power split device, and providing control over a second MG for allowing a ring gear to stop; expecting that a... Agent: Oliff & Berridge, Plc

20080146406 - Method for power transmission between a heat engine and the wheels of a motor vehicle and related device: The invention essentially concerns a device (1.1) for a motor vehicle power transmission. Said device (1.1) comprises a traction chain consisting of a heat engine (2), a clutch (3) including first and second clutch disks (8, 9), an electrical machine (4), and wheels (6). The shaft (10) of the machine... Agent: Nicolas E. Seckel Patent Attorney

20080146407 - Fixed speed operation in a hybrid transmission including sport and economy modes: A method of operating a hybrid transmission includes controlling the transmission according to a drive mode, which includes a continuously variable speed ratio, and according to automatic and manual fixed speed relationships modes, which include a plurality of fixed speed relationships including mechanics gear ratios and virtual gear relationships. The... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20080146408 - Control device for vehicular drive system: A control device for a vehicular drive system including a differential portion (11) having a differential mechanism (16) operable to distribute an output of an engine (8) to a first electric motor (M1) and a power transmitting member (18), and a second electric motor (M2) disposed in a power transmitting... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080146409 - Speed ratio change control device and method for belt type continuously variable transmission: This invention is a speed ratio change control device for a belt type continuously variable transmission that a maximum thrust that can be generated by the primary pulley is calculated on the basis of an upper limit value of the line pressure (S3), an upper limit value of a shift... Agent: Foley And Lardner LLP Suite 500

20080146410 - Speed ratio change control device and method for belt type continuously variable transmission: This invention is a speed ratio change control device for a belt type continuously variable transmission that a minimum generated pressure of the primary pressure is estimated on the basis of a displacement speed of the movable sheave of the primary pulley and an opening area of a drain side... Agent: Foley And Lardner LLP Suite 500

20080146411 - Method for controlling engine torque of hybrid electric vehicle with electronic throttle control: A method for controlling engine torque of a hybrid electric vehicle with an electronic throttle control when an engine is restarted after an idle-stop state includes: transmitting torque restriction information to an engine control unit, outputting a restricted torque from the engine control unit using the torque restriction information, transmitting... Agent: Morgan, Lewis & Bockius LLP (sf)

20080146413 - Apparatus for and method of controlling power train, and storage medium storing program for implementing the method: An ECU executes a program for implementing a method that includes: a step of performing control so that torque capacity Tch of a frictional engagement device that is brought from an engaged state by a downshift operation is gradually reduced to start an inertia phase when a power-on downshift is... Agent: Oliff & Berridge, Plc

20080146412 - Vehicular power outputting apparatus and method thereof: A control apparatus of a vehicular power outputting apparatus, which temporarily increases the rotation speed of an input rotating element provided in an automatic transmission using an engine during a downshift in the automatic transmission, is provided with cylinder reduction controlling means for performing a cylinder reduction control that stops... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080146414 - Method and device for controlling heat engine torque saturation in an infinitely variable transmission with electric speed selector: A method for controlling an infinitely variable transmission with an electric speed selector, including a heat engine and at least two electric machines based on calculating an instantaneous operating point of the transmission defined by a speed reference of the heat engine and a wheel torque reference. The wheel torque... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080139360 - Control system for hybrid vehicles: A control system for hybrid vehicles, in which a second prime mover is connected to an output member to which a power is transmitted from a first prime mover through a transmission in which a torque capacity is varied in accordance with an oil pressure, and which has a first... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.c.

20080139361 - Characteristic correction system for automatic transmission: The input rotation speed of an automatic transmission is fixed, and an output shaft is fixed. Oil pressure supplied to a measurement subject engagement element is then increased, and a determination is made as to whether or not rotary variation in a turbine rotation speed is equal to or greater... Agent: Smith, Gambrell & Russell

20080139362 - Ratio shift control for a multiple ratio automatic transmission: A gear ratio shift control and control method controls gear ratio upshifts in a multiple-ratio transmission for an automotive vehicle. Pressure actuated friction elements establish torque flow paths in transmission gearing as they are selectively engaged and released. A net torque reduction at a transmission torque output shaft during an... Agent: Brooks Kushman P.c./fgtl

20080139363 - Engine speed control for a low power hydromechanical transmission: A method of operating a transmission of a vehicle. The method includes determining an open loop ratio percentage from an engine RPM input signal and a brake input signal using a first algorithm. Determining a closed loop ratio percentage from the engine RPM input signal, a vehicle RPM input signal... Agent: Zarley Law Firm P.L.C

20080139364 - Method for controlling shift during shift of automatic transmission: A method for controlling a shift during a shift of an automatic transmission controls to complete an N to N−2 shift and an N−2 to N−3 shift simultaneously such that the shift during a shift is smoothly performed when the N−2 to N−3 shift where one frictional element is released... Agent: Morgan, Lewis & Bockius LLP (sf)

20080139365 - Method for controlling shifting during shifting and system thereof: A system for controlling a shifting during shifting, in which a frictional element is re-engaged in mid-course of being released, includes: one or more detectors for detecting driving information of a vehicle and generating one or more signals corresponding thereto; a transmission control unit for receiving the signals from the... Agent: Morgan, Lewis & Bockius LLP (sf)

20080132379 - Control apparatus and control method for vehicular drive apparatus: A control method for a vehicular drive apparatus that includes a driving power source that includes an engine and a motor, and a shift portion provided in a power transmission path from the driving power source to a drive wheel, includes staring the engine by executing an engine speed control... Agent: Oliff & Berridge, Plc

20080132378 - Method and apparatus for starting an engine in a hybrid vehicle: A method and apparatus for starting an engine in a hybrid vehicle being driven by an electric motor is disclosed. The motor is operably configured to deliver mechanical power through an automatic transmission to at least one vehicle drive wheel to cause an acceleration of the vehicle. The method involves... Agent: Joseph Iandiorio Iandiorio & Teska

20080132381 - Fluid pressure control assembly: Assembly of multiple individual fluid pressure control solenoid valves and an individual fluid temperature sensor so packaged relative to a respective one of the individual solenoid valves as to permit direct or indirect fluid temperature measurement at individual solenoid valves. The assembly can include a lead-frame support (e.g. a printed... Agent: Mr. Edward J. Timmer

20080132380 - Operation of electrically controlled transmissions at lower temperatures: A system and method for controlling electromechanical valves operating in a transmission is presented. According to the method, transmission operation can be improved by heating the valves, at least during some conditions.... Agent: Ford Global Technologies, Llc

20080132382 - Actuating device: An actuating device has an electric motor actuator, at least one output shaft coupled to at least one positioning element and a braking to stop device coupled with the electric motor actuator on the input side and with the output shaft on the output side or includes the output shaft.... Agent: Baker Botts L.l.p. Patent Department