Shift control system of an automatic transmission used in a vehi

Details Shift control system of an automatic transmission used in a vehi Shift control system of an automatic transmission used in a vehi

1995-11-08

1997-07-29

Marmor, Charles A.

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

74335, 477131, F16H 6100

Patent

active

056517513

ABSTRACT:
Disclosed is a shift control system of an automatic transmission used in a vehicle, which includes an oil pump, a line pressure regulator for regulating the hydraulic pressure supplied from an oil pump to the hydraulic control line, a reducing valve for forming a pressure lower than the line pressure, a first to fourth pressure control valves respectively having a first and a second port for receiving a control pressure from the reducing valve, a third port for receiving the line pressure, fourth port for delivering the line pressure to shift valves, wherein there are provided an N-D control valve, a second-to-third shift valve, a third-to-fourth shift valve, a fourth-to-fifth shift valve, and a reverse drive clutch valve to selectively deliver the pressure from the pressure control valves to the first to fifth friction elements and reverse drive friction element.

REFERENCES:
patent: 4957015 (1990-09-01), Ishikawa et al.
patent: 5364317 (1994-11-01), Amemiya
patent: 5472389 (1995-12-01), Ando et al.
patent: 5501645 (1996-03-01), Taniguchi et al.
patent: 5507706 (1996-04-01), Jang et al.
patent: 5527236 (1996-06-01), Kimura et al.

Affiliated with

Also associated with

Rating

Shift control system of an automatic transmission used in a vehi does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Shift control system of an automatic transmission used in a vehi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Shift control system of an automatic transmission used in a vehi will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-630235