Machine element or mechanism – Gearing – Plural power paths to and/or from gearing
Patent
1983-08-08
1985-03-05
Nilson, Robert G.
Machine element or mechanism
Gearing
Plural power paths to and/or from gearing
137102, F16K 1110
Patent
active
045023514
ABSTRACT:
An improved third accumulator check valve is provided for the valve chamber which services feed oil to the release side of the intermediate servo cylinder of a turbohydramatic transmission system for motor vehicles wherein the intermediate band is released as direct clutches are applied. It comprises a positive seating valve in the chamber exhaust port, preventing exhaust port leakage which results in premature band application and clutch drag, and is characterized by a valve body which has more favorably disposed outer lift surfaces and an internal bore flow chamber with additional lift surfaces, said bore being provided further with a flow-released bore closure biasing the valve responsive to active flow pressure with assisted force into a continuously seated position.
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Bates James F.
Gates Guy W.
Larsen John F.
Law Benjamin F.
Burts T. Eugene
Nilson Robert G.
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