Pressure holding apparatus for a torque-transmitting mechanism

Details Pressure holding apparatus for a torque-transmitting mechanism Pressure holding apparatus for a torque-transmitting mechanism

2005-09-27

2005-09-27

Michalsky, Gerald A. (Department: 3753)

Fluid handling

Systems

Supply and exhaust

C091S445000, C091S447000

Reexamination Certificate

active

06948524

ABSTRACT:
A pressure holding apparatus incorporates a hydraulic pressure system having an engine-driven pressure source, a pressure holding valve, and a torque-transmitting mechanism. The torque-transmitting mechanism is selectively engaged and disengaged by fluid pressure from the engine-driven pressure source during normal powertrain operation. The torque-transmitting mechanism apply chamber is pressurized with the oil by the pressure holding valve when the engine operation is discontinued.

REFERENCES:
patent: 6244410 (2001-06-01), Bauer

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