Lubricating fluid regulator in torque convertor hydraulic clutch
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United States of America Patent
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-
May 23, 1995
Grant Date -
N/A
app pub date -
Jul 6, 1993
filing date -
Jul 6, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A directional control valve is composed of a cylinder and a spool located therein so as to be slidably shiftable. The cylinder is formed to have a first input port, a second input port and a control port to which hydraulic fluid is supplied from a fluid pump; a first output port for supplying hydraulic fluid for clutch operation to a power-disconnection clutch, and a second output port for supplying hydraulic fluid for lubrication to the clutch. Positioning of the spool is shiftable between a first position wherein the first input port and the first output port are communicated, and a second position wherein the second input port and the second output port are communicated, according to hydraulic pressure via the control port.
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