Control apparatus for hydraulically operated vehicular transmiss

Details Control apparatus for hydraulically operated vehicular transmiss Control apparatus for hydraulically operated vehicular transmiss

1994-08-03

1996-04-09

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

F16H 6106

Patent

active

055056725

ABSTRACT:
In a control apparatus for a hydraulically operated vehicular transmission which has a plurality of hydraulic engaging elements, an orifice is disposed in an oil passage which is communicated with a hydraulic engaging element for a low-speed transmission train. The control apparatus has a bypass passage which bypasses the orifice, a control valve which can be switched between a communicated state in which the bypass passage is in communication and a cut-off state in which the communication of the bypass passage is cut off, and a control circuit which changes over the control valve to the communicated state under a predetermined condition at a time of switching from a running range to a neutral range.

REFERENCES:
patent: 4982622 (1991-01-01), Yamamoto et al.
patent: 5005444 (1991-04-01), Kimura et al.
patent: 5090270 (1992-02-01), Suzuki
patent: 5107723 (1992-04-01), Yamashita et al.

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