Accumulator back pressure control apparatus for automatic transm

Details Accumulator back pressure control apparatus for automatic transm Accumulator back pressure control apparatus for automatic transm

1986-03-31

1988-02-02

Braun, Leslie

Machine element or mechanism

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

Preselected indexed position

74868, B60K 4116

Patent

active

047222506

ABSTRACT:
An accumulator control device for controlling the back pressure of an accumulator includes an accumulating control valve having a first port communicating with a control oil source and a second port communicating with an accumulator back pressure chamber. The accumulator control valve is controlled by a oil pressure from a shift control. According to the control position of the shift control, the accumulator control valve controls the communicating state of the first and second ports to increase or decrease the back pressure of the accumulator.

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