Control apparatus for hydraulically operated vehicular transmiss

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

1994-06-27

1995-12-26

Wright, Dirk

Interrelated power delivery controls, including engine control

Transmission control

Transmission controlled by engine

F16H 5904, F16H 6102

Patent

active

054782945

ABSTRACT:
A control apparatus for a hydraulically operated vehicular transmission has a plurality of transmission trains to be established by a selective operation of a plurality of hydraulic engaging elements. The apparatus has a selecting device for selecting a transmission train according to a running condition of a vehicle. The apparatus is provided with a detecting device for detecting a power transmission capability value of the hydraulic engaging elements, and a device for determining a transmission train to be established, based on a detected result of the detecting device and a selected result of the selecting device. The detecting device detects a hydraulic engaging element whose power transmission capability value is above a predetermined value and designates a transmission train that corresponds to the detected hydraulic engaging element. The device for determining the transmission train determines a transmission train to be established, based on the transmission train designated by the detecting device and the transmission train or trains selected by the selecting device.

REFERENCES:
patent: 5067374 (1991-11-01), Sakai et al.
patent: 5070746 (1991-12-01), Milunas et al.
patent: 5079705 (1992-01-01), Sakai et al.

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