Air winch control valve

Details Air winch control valve Air winch control valve

1996-05-20

1997-02-11

Rivell, John

Fluid handling

Systems

Multi-way valve unit

1376275, 13759618, 251282, F16K 1116

Patent

active

056011164

ABSTRACT:
A four way control valve of the type used to control air motors or the like utilizing opposed poppet valve in place of spool valves to reduce tolerance requirements and improve function in standard, balanced and pilot operated versions based on one body.

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patent: 4271868 (1981-06-01), Neff
patent: 4353290 (1982-10-01), Hoffman et al.
patent: 4574844 (1986-03-01), Neff et al.
patent: 4793380 (1988-12-01), Lhota
patent: 5309936 (1994-05-01), Christensen

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