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Class Information
Number: 477/152
Name: Interrelated power delivery controls, including engine control > Transmission control > Transmission controlled by engine > By input manifold pressure or engine fuel control > Servo motor timing > With fluid accumulator > Electric valve control
Description: Subject matter wherein control of fluid to or from said chamber is by means of an electrically operated valve.










Patents under this class:

Patent Number Title Of Patent Date Issued
8282532 Vehicle drive apparatus Oct. 9, 2012
6292732 Adaptive on-coming clutch fill control for an automatic transmission Sep. 18, 2001
6285942 Flow-based on-coming clutch fill control for an automatic transmission Sep. 4, 2001
6052637 Clutch adjustment determination Apr. 18, 2000
5916059 Up-shift control apparatus of automatic transmission Jun. 29, 1999
5911647 Control apparatus for automatic transmission Jun. 15, 1999
5882273 Hydraulic control system of automatic transmission for automotive vehicle Mar. 16, 1999
5835875 Swap-shift control system for a multiple ratio transmission Nov. 10, 1998
5809442 Multiple ratio transmission having swap-shift controls with optimum ratio upshifts Sep. 15, 1998
5662551 Gear shift control system for automatic transmission Sep. 2, 1997
5522779 Shift control system for automatic transmission Jun. 4, 1996
5431608 Method and device for controlling clutch of automotive automatic transmission Jul. 11, 1995
5399131 Automatic transmission control system having two accumulators for four clutches controlled by a single accumulator back pressure valve Mar. 21, 1995
5293789 Hydraulic control system with condition responsive accumulator control for automatic transmission Mar. 15, 1994
5182970 Hydraulic control system for automatic transmission Feb. 2, 1993
5168777 Hydraulic control system for automatic transmission Dec. 8, 1992
5138906 Shift control system, and process for automatic transmissions Aug. 18, 1992
5090270 Control system for automatic transmission Feb. 25, 1992
5085103 Hydraulic control apparatus for automatic transmissions Feb. 4, 1992
5047935 Automatic transmission control apparatus, having means for determining the completion of a shift Sep. 10, 1991
5031480 Hydraulic controller for an automatic transmission Jul. 16, 1991
5005441 Line pressure control for automatic transmission Apr. 9, 1991
5005443 Shift control system for automatic transmission Apr. 9, 1991
4991464 Engine brake control device for an automatic transmission Feb. 12, 1991
4987982 System for alleviating select shock in automatic transmission Jan. 29, 1991
4955256 Transmission control apparatus, having means for determining the completion of a shifting action of a coupling device with pressure adjusting accumulator Sep. 11, 1990
4944202 Electrohydraulic control for an automatically shiftable automotive transmission Jul. 31, 1990
4942787 Apparatus for and method of controlling hydraulic clutch operation in an automatic transmission Jul. 24, 1990
4942530 Control of vehicle automatic transmission Jul. 17, 1990
4939956 System for controlling servo activating hydraulic pressure occurring in vehicular power train Jul. 10, 1990
4930375 Hydraulic control system for automatic transmission Jun. 5, 1990
4928557 Hydraulic transmission controller with coupling pressure compensation May. 29, 1990
4890515 System for integrally controlling automatic transmission and engine Jan. 2, 1990
4889016 Hydraulic servo regulating systems in an automatic transmission Dec. 26, 1989
4858496 Device for integrally controlling a supercharged engine and automatic transmission in vehicle Aug. 22, 1989
4843922 Hydraulic control system for automatic transmission Jul. 4, 1989
4779491 Automatic transmission control system Oct. 25, 1988
4727773 Hydraulic circuit for controlling automatic transmission Mar. 1, 1988
4727772 Multistage automatic shift control apparatus Mar. 1, 1988
4722247 Shift control system of automatic transmission Feb. 2, 1988
4674364 Shift control system of automatic transmission Jun. 23, 1987
4474082 Control system for power shifted transmission Oct. 2, 1984
4346627 Shift control device for an automatic transmission Aug. 31, 1982











 
 
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