Fluid handling – Systems – Programmer or timer
Patent
1996-12-11
1999-11-09
Michalsky, Gerald A.
Fluid handling
Systems
Programmer or timer
91485, 13762521, 251283, F15B 1307
Patent
active
059795018
ABSTRACT:
Fluid distributing apparatus for radial piston-type hydraulic pumps or motors is disclosed. In the apparatus, a valve casing is mounted to a housing of the pump or motor. A plate valve is seated in the central portion of the valve casing and selectively rotates while maintaining a dynamic balance. A fluid distributing plate and a pressure plate are arranged in the valve casing and are brought into close contact with top and bottom surfaces of the plate valve, thereby allowing the plate valve to selectively rotate under the state of dynamic balance. A retaining ring is interposed between the fluid distributing plate and the pressure plate and surrounds the plate valve, thereby removing dynamic friction from relatively-moving portions of the plate valve, pressure plate and fluid distributing plate.
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patent: 4298318 (1981-11-01), Tsuchiya et al.
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patent: 5014748 (1991-05-01), Nogami et al.
patent: 5439356 (1995-08-01), Grahl
Jung Dong-Soo
Kim Hyeong-Yee
Lee Yong-Bum
Korea Institute of Machinery & Materials
Michalsky Gerald A.
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