Interrelated power delivery controls, including engine control inventions 01/08

20080026905 - Control system and method for lock up clutch: A lock-up clutch control method and apparatus controls a lock-up state of a torque converter interposed between a drive unit and a transmission on a vehicle. Data indicative of the operating condition of an antilock braking system can be provided as input to the control method and apparatus and affect... Agent: Cermak Kenealy & Vaidya, LLP

20080026906 - Shift control method of automatic transmission: A shift control method of an automatic transmission that controls a shift from an nth shift speed, achieved by engagement of first and second friction elements, to an (n−3)th shift speed, achieved by engagement of third and fourth friction elements. The method includes releasing the first and second friction elements... Agent: Morgan, Lewis & Bockius LLP (sf)

20080026907 - Vehicle shift module: A shift mechanism for a transmission in a vehicle includes a housing, a shift lever, a key cylinder and an actuator. The actuator operably connects to the key cylinder and is capable of movement between a first position that prevents the shift lever from changing shift positions, and a second... Agent: Daimlerchrysler Intellectual Capital Corporation Cims 483-02-19

20080026904 - Hydraulically controlled cone disc continuously-variable transmission: The invention concerns a continuously variable cone disc transmission with sets of discs mounted on drive and driven shafts. The sets of discs are each hydraulically adjustable axially in their distance from each other whereby the traction train circulating between them is able to adjust to different running circles and... Agent: Egbert Law Offices

20080026908 - Tip-in bump reduction methods and systems: A torque converter bump control system is provided. The system includes: a gain module that computes a torque converter gain based on a speed ratio; an increased gain module that computes an increased torque converter gain based on turbine speed; a blended gain module that computes a blended torque converter... Agent: General Motors Corporation Legal Staff

20080026909 - Method for shifting from a source gear to a target gear in a twin clutch transmission: Gear shifts are carried out from a source gear to a target gear of a twin clutch transmission. The twin clutch transmission has sequentially directly successive gears assigned to different transmission input shafts. In each case one upshift and downshift threshold, which is defined as a function of the throttle... Agent: Lerner Greenberg Stemer LLP

20080026910 - Control apparatus and method for automatic transmission: A control apparatus for an automatic transmission includes a target-value setting section configured to set a target rotational-speed difference between input and output rotational speeds of at least one of first and second friction-engagement elements to cause the input rotational speed to be higher than the output rotational speed, when... Agent: Foley And Lardner LLP Suite 500

20080026912 - Automatic transmission hydraulic line pressure regulator: An automatic transmission line pressure regulator includes a first body for installation in a valve bore distant from a line pressure valve and having a threaded bore passing therethrough, a threaded adjuster axially engaged in the threaded bore and rotationally adjustable with respect to the first body, a second body... Agent: Timothy J. Klima Harbin King & Klima

20080026911 - Electronic adaptive swap-shift control for an automatic transmission for automotive vehicles: A control system and control method for a swap-shift transmission having auxiliary and main gearsets wherein precise synchronization control of ratio changes of each gearset at the start and at the end of a swap-upshift progression is achieved using an adaptive control to adjust friction element pressure values and slip... Agent: Brooks Kushman P.C./fgtl

20080026913 - Braking system for golf car: A golf car operated by a prime mover under the control of an accelerator control a brake capable of being set in a locked condition for retaining the car from movement. Upon original operation of the prime mover the brake is not released until after a predetermined condition is established... Agent: Ernest A. Beutler, Attorney At Law

20080020894 - Hydro-mechanical transmission and valve assembly: A hydro-mechanical transmission for an agriculture vehicle, such as a tractor. The transmission includes an input shaft, a hydrostatic unit driven by the input shaft, a mechanical transmission driven by the hydrostatic unit and/or the input shaft, and a valve assembly having a pressure control valve assembly to control an... Agent: Deere & Company

20080020895 - Method for controlling automatic or automated transmission downshift used for power braking: The invention concerns a method for controlling automatic or automated transmission downshift used for power braking and comprising set of predetermined shifting laws, characterized in that it consists, below a certain arbitrary threshold Ethreshold of the accelerator pedal depression, in defining a new downshift law designed to be substituted for... Agent: Nicolas E. Seckel Patent Attorney

20080020896 - Control apparatus for vehicular automatic transmission and method of controlling vehicular automatic transmission: In a control apparatus for a vehicular automatic transmission and a method of controlling a vehicular automatic transmission, a brake operation amount by which the brake of a vehicle is operated is detected, and a neutral control is executed to decrease an engagement pressure for a friction engagement element of... Agent: Finnegan, Henderson, Farabow, Garrett & Dunner LLP

20080020897 - Control apparatus and method for automatic transmission: A control apparatus of an automatic transmission having first and second frictional engagement elements that achieve lower and higher speed gear stages respectively, includes a target value determination section setting a rotation speed difference between input and output sides of the frictional engagement element, a total torque capacity calculation section... Agent: Foley And Lardner LLP Suite 500

20080015085 - Transmission element for parallel hybrid traction chain: The invention concerns an element comprising a rotary input member (15), a motion output member (19), an electrical machine (14) including a stator (27) and a rotor (26), a first connecting clutch (89A) between the input member (15) and an intermediate member (83) rotating about a first axis (X-X′). The... Agent: Nicolas E. Seckel Patent Attorney

20080015086 - Selector drive for automatic manual transmission of motor vehicles: A selector drive for automatic manual transmissions has an electric motor, the rotational motion of which can be transmitted to the selector mechanism for the selection of a selector position by way of a mechanical transmission chain. An electric motor (1) of the mechanical transmission chain is an electric motor... Agent: Davis Bujold & Daniels, P.l.l.c.

20080009389 - Method and apparatus for controlling a contiuously variable transmission: A method of controlling the ratio of a continuously variable transmission (CVT) that is controlled by a CVT controller is provided. The method includes determining the torque produced by an engine, calculating an acceleration limit value based upon the torque value and the engine inertia value and a calibrated acceleration... Agent: Kevin J. Heinl Brooks Kushman P.C.

20080009390 - Shift control system and shift control method for continuously variable transmission: A maximum flow calculating unit calculates a maximum amount of hydraulic fluid that can flow into or out of an input-side hydraulic cylinder when a shift control command signal is set to a reference DUTY value, based on an estimated valve pressure difference calculated by an estimated pressure difference calculating... Agent: Oliff & Berridge, PLC

20080009388 - Control device for vehicle drive apparatus: An engaging device (a switching clutch C0 or a switching brake B0) switches a shifting mechanism 10 between a continuously variable shifting state and a step-variable shifting state. In particular. The step-variable shifting state is set in a high speed running, because a first electric motor M1 need not bear... Agent: Oblon, Spivak, Mcclelland Maier & Neustadt, P.C.

20080009391 - Powertrain overspeed protection: A method of inhibiting an overspeed condition in a vehicle powertrain includes monitoring at least one of an engine speed and a transmission input shaft speed of a torque converter that transfers drive torque between an engine and a transmission and determining an operating condition of the vehicle powertrain. The... Agent: General Motors Corporation Legal Staff

20080009392 - Drive train of a motor vehicle: According to the invention, the control device (16) has a signal transmitting connection to a roadway information device (camera 53) which supplies information relating to a profile of the roadway in front of the motor vehicle. The control device (16) can thus predictively change from the first maximum value to... Agent: William Collard Collard & Roe, P.C.