Apparatus for controlling line pressure of automatic transmissio

Details Apparatus for controlling line pressure of automatic transmissio Apparatus for controlling line pressure of automatic transmissio

1980-05-20

1982-12-28

Byers, Jr., Nile C.

Machine element or mechanism

Rotary member or shaft indexing, e.g., tool or work turret

Preselected indexed position

74843, B60K 4104

Patent

active

043655262

ABSTRACT:
For an automatic transmission having a line pressure control circuit producing a line pressure corresponding to engine load and an engine brake selecting circuit applying engine brake in response to car brake signal, an apparatus for controlling the line pressure is disclosed for raising the line pressure in response to engine brake instruction signal from the engine brake selecting circuit. The apparatus may include a circuit for reducing the line pressure to a minimum value necessary for torque transmission after a preset time from the aforesaid raising.

REFERENCES:
patent: 3983766 (1976-10-01), Forster
patent: 4031782 (1977-06-01), Miller
patent: 4103764 (1978-08-01), Iijima
patent: 4142613 (1979-03-01), Iijima
patent: 4174645 (1979-11-01), Ohmae
patent: 4262783 (1981-04-01), Scarrott

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