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Interrelated Power Delivery Controls, Including Engine Control > Transmission Control

Transmission Control

Transmission Control patent applications listed are from June 2005 to current and include Date, Patent Application Number, Patent Title, Patent Abstract summary and are linked to the corresponding patent application page.

01/18/07 - 20070015624 - Control apparatus and control method of an automatic transmission
A control apparatus and control method of an automatic transmission that establishes a plurality of speeds of different speed ratios by selectively engaging and/or releasing a plurality of engagement devices, detects abnormal engagement of at least one of the engagement devices which causes tie-up to occur in the automatic transmission; ...

12/28/06 - 20060293145 - Transfer case clutch calibration method
A method of improving performance of secondary driveline clutches in motor vehicle transfer cases includes the steps of testing each manufactured transfer case to determine the clutch drive current versus torque transfer function, fitting such determined function to one of a small number of predetermined performance curves and incorporating an ...

12/07/06 - 20060276300 - Automatic transmission system and method for controlling automatic transmission apparatus
An SBW storage of an SBW controller stores a rotational angular position of an output shaft of an electric actuator. When the SBW controller is restarted due to instantaneous power interruption, the SBW controller maintains and uses the current angular position of the output shaft, which is stored in the ...

10/26/06 - 20060240941 - Transmission system and method for controlling torque transmissions
A transmission having a plurality of gear ratios (15, 17), selector means (13) for selectively engaging the gear ratios, and a control system including means for measuring deformation caused by torque in the transmission (63, 64) in at least one static component or assembly (50) that is deformed due to ...

09/21/06 - 20060211537 - Method of controlling vehicle driving system and vehicle driving apparatus
and generation of electric power of the first MG is controlled so as to cause the reactionary shaft to produce the torque Trd. ...

09/21/06 - 20060211536 - Method for controlling a drive train comprising an automatic clutch
The invention relates to a method for operation of a drive train having a drive machine and an automatic, unsynchronized gearwheel variable-speed transmission, which can be connected to the drive machine by means of an automatic clutch. A control device carries out a selection process as a function of vehicle ...

06/29/06 - 20060142116 - Switch assembly for selecting among plurality of shift schedules on an electronically controlled transmission
An electrical switch assembly is provided for an electronically controlled transmission that allows user selection between a plurality of shift schedules for the transmission. The switch assembly provides a signal for selecting among the plurality of shift schedules and has a housing. A first set of electrical contacts are positioned ...

06/01/06 - 20060116235 - Control of an automatic transmission by the evaluation of the speed of activation of the gear stage range
A procedure for controlling an automatic transmission. Via a gear range shifter, a change of gear range both between the forward travel gear range and the reverse travel gear range as well as also between a fast gear mode and a creeper gear mode can be carried out. A control ...

05/11/06 - 20060100058 - Device for supplying a drive element
The invention relates to a device for supplying a hydraulic medium to a rotatably mounted drive element in a transmission case, the hydraulic medium being routed to a channel in the drive element by way of at least one channel in a coaxially adjacent element which corresponds to the drive ...

04/27/06 - 20060089231 - Parallel shift transmission and method for controlling it
The invention relates to a parallel shift transmission having a drive unit and two partial transmissions, each connectable to the drive unit via a friction clutch and each having a plurality of gear ratio steps. ...

04/27/06 - 20060089230 - Bidirectional inline power port
A method and apparatus for bidirectional provision of inline power over data telecommunications cabling permits power to be received at a local powered device (PD) from remote power sourcing equipment (PSE) via at least one conductor at a first time and power to be provided by the local device to ...

03/30/06 - 20060068970 - Hybrid hydraulic drive system with engine integrated hydraulic machine
A hybrid hydraulic drive system for a vehicle comprises a prime mover, a transmission connecting the prime mover to drive wheels, a fluid energy storage accumulator, and a reversible hydraulic machine in fluid communication with the energy storage accumulator and drivingly coupled to the prime mover upstream of the transmission. ...

03/30/06 - 20060068969 - Transmission having an electronically controlled main relief valve
A transmission is provided for a work machine. The transmission has a reservoir configured to hold a supply of fluid and a source configured to pressurize the fluid. The transmission also has a manifold configured to receive the pressurized fluid and a plurality of control valves fluidly communicating with the ...

03/23/06 - 20060063640 - Transmission system
Step change in a motor vehicle transmission system is effected by a driver operating a single floor mounted control. The control is coupled to a control system for causing a step change in the transmission when the control is operated, the direction up or down of a particular step change ...

03/16/06 - 20060058153 - Control circuit for reducing splitter cycles in an auxiliary drive box
A command assembly for controlling a splitter in a transmission allows shifting between first and reverse-low gears while the splitter is engaged without requiring the splitter to cycle during the shift. The command assembly creates a signal path for a split enable signal that keeps the transmission in the split ...

02/23/06 - 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 ...

02/23/06 - 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 ...

02/16/06 - 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. ...

02/09/06 - 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. ...

11/24/05 - 20050261107 - Adjustment of the speed of a motor vehicle with an automatic gearbox
A method relieves the burden of a driver of a motor vehicle in which the drive train is provided with a gearbox which can be operated in an automatic mode and a manual mode. The method comprises the following automatic steps: a) detection whether the speed of the vehicle should ...

11/03/05 - 20050245350 - Control device for vehicular drive system
The transmission mechanism 10 is switchable between the electrically established continuously-variable shifting state and the step-variable shifting state, by selective releasing and engaging actions of switching clutch C0 and brake B0, which are controlled by switching control means 50. Upon switching to the continuously-variable shifting state by the releasing action ...

10/06/05 - 20050221948 - Shift control system for automatic transmission
A shift control system for an automatic transmission. The shift control system includes an oil temperature sensor, a hydraulic controller to operate a hydraulic clutch, and a control unit in operative communication with the oil temperature sensor and the hydraulic controller. When a gear shift is requested just after an ...

06/09/05 - 20050124458 - Deceleration control apparatus and method for a vehicle
A declaration control apparatus and method for a vehicle, which performs deceleration control such that a deceleration acting on the vehicle becomes equal to a target deceleration by an operation of a brake system which applies a braking force to the vehicle and a shift operation which shifts a transmission ...



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