Interrelated power delivery controls, including engine control inventions 02/06

20060040786 - Method for increasing the spontaneity of an automatic transmission: A method for shifting gears of a transmission of a vehicle, which, during a shift, a first shift element opens and a second shift element closes. To increase the spontaneity and reduce the shifting frequency a downshift from a first gear to a second gear is interrupted without delay and...

20060040787 - Motor vehicle gear device as well as method for control of a motor vehicle, and especially for the control of a gear device of a motor vehicle: This invention relates to a method for operating a motor vehicle after receiving an acceleration signal in which the motor vehicle power train includes first and the second torque transmission devices connected to first and second subgears. The operational method includes selecting and engaging a predetermined target gear in one...

20060040788 - Acceleration launch strategy for an electromechanical automatic transmission: A method for launching an automatic vehicle transmission utilizing dual clutches in place of a torque converter avoids clutch overheating, sudden launch or roll-back by placing a clutch in a slip mode only after the vehicle's brakes have been actuated and fully disengaging the clutch upon over-heating detection. When launch...

20060040789 - System and method of controlling automatic transmission: A system for controlling an automatic transmission includes a start clutch, an engagement element arranged in series to the start clutch and engaged during vehicle driving, and an ECU for controlling the start clutch and the engagement element, wherein the ECU is programmed to select, at vehicle start, one of...

20060040790 - Shift control apparatus and method for automatic transmission: In shift control apparatus and method for an automatic transmission in which an engine speed is inputted, and a shift change in a shift stage of the automatic transmission is performed to make a gear shift, a shift revolution synchronization control in synchronization with the engine speed is performed and,...

20060040791 - Downshift control for automotive automatic transmission: An automotive automatic transmission control apparatus is provided which works to increase the power of an engine in response to a request to down-shift the gear of an automatic transmission for developing the engine braking. The control apparatus includes a fail-safe circuit working to stop increasing the power of the...

20060035747 - Electric multi-stage transmission: Several embodiments of vehicles having multi-speed transmissions that can be electrically shifted up or down and also manually shifted up or down without having to operate the electric shift operator....

20060035748 - A method for vehicle thermal management: A method is provided which uses, or which calculates, a temperature gradient of a portion of a vehicle to determine a value equal to, or representative of, a time before a maximum allowable operating temperature is reached by the portion. If the value is less than a certain threshold, the...

20060035749 - Ratio selection method for a continuously variable transmission: A gear ratio selection method for a transmission in a motor vehicle includes detecting a power request, detecting a vehicle speed of the motor vehicle, and providing an engine speed of the motor vehicle. A first desired engine speed is calculated from a first variogram using the power request and...

20060030449 - Control method and apparatus for a continuously variable transmission: The present apparatus for a continuously variable transmission ensures good acceleration performance during starting operations and following an engine stall occurring before a gear ratio of the continuously variable transmission is shifted back to a low speed. The control apparatus includes sensors, a gear ratio return control unit, and a...

20060030450 - Hybrid vehicle formed by converting a conventional ic engine powered vehicle and method of such conversion: A method of converting a conventional internal combustion powered vehicle into a hybrid vehicle and apparatus for achieving that and modifying one of the serial elements of the drive train interconnecting the internal combustion to the driving wheels of the vehicle by providing an auxiliary power connection which allows the...

20060030451 - Control device for automatic transmission: A position sensor for an automatic transmission has multiple switches, each of which generates “ON” or “OFF” signal depending on a selected position of a shift lever. Signal patterns (“ON” and “OFF” signals) of the normal operation are memorized as a map of signal patterns in a first memory portion....

20060030452 - Shift controller for a continuously variable transmission: A shift control apparatus for a continuously variable transmission includes a continuously variable transmission for transmitting power of an engine to a driving wheel; a shift actuator for changing a gear ratio of the continuously variable transmission; and a gear ratio controller for controlling the shift actuator such that the...

20060030453 - Structure and manufacturing process for continuously-variable transmission: In a continuously-variable transmission, a powertrain is arranged to continuously vary a transmission ratio. An upper body of a control valve unit is disposed at a surface of the control valve unit confronting the powertrain. A lower body of the control valve unit is connected to the upper body. A...

20060030454 - Power switchover apparatus for a hybrid vehicle: To provide a power switchover apparatus for a hybrid vehicle, which can perform power switchover smoothly. Target follow-up control is started, and when the engine speed reaches a clutch-in speed of a starter clutch, the input power shaft of a continuously variable transmission starts rotation. The speed of the output...

20060030455 - Oil pressure control device for automatic transmission: In an automatic transmission having multiple oil pressure control valves for controlling friction engagement elements, a first and second pressure modulating valves are provided between an oil pressure generating means (pump) and the oil pressure control valves. A switching valve is further provided between the pressure modulating valves and the...

20060030456 - Automatic transmission control system: In an automatic transmission control system, an operating amount of a throttle due to a driver's depression of an accelerator pedal is detected, and the rotating number of an engine suitable for the detected throttle operating amount is detected. The automatic transmission control system includes a shift map defined by...

20060030457 - Method for the protection of an automatically actuated clutch of a vehicle against overload: The present invention broadly comprises a method for the advance determination of an overload of an automatically actuated clutch of a vehicle during a slippage phase and to prevent the overload. The method determines the energy introduced into the clutch during a predetermined first time span of the slippage phase...

20060025281 - Hydraulic control device for automatic transmission: A hydraulic control apparatus for controlling an automatic transmission which includes two hydraulically operated frictional coupling devices of a first group and a plurality of hydraulically operated frictional coupling devices of a second group, and which is arranged to establish a selected one of its gear positions, by simultaneous engaging...