Directional control valve

Details Directional control valve Directional control valve

1989-10-12

1992-01-07

Michalsky, Gerald A.

Fluid handling

Systems

Multi-way valve unit

1376253, 13762566, 13762568, 251324, 251325, F15B 1304

Patent

active

050781790

ABSTRACT:
A valve comprising a valve housing, a bore in said valve housing, annular grooves defining annular channels arranged in said valve housing and adapted to be connected to valve ports arranged in said housing, a control spool reciprocally mounted within said bore so as to connect and separate said valve ports, and land means in at least one of said annular channels so as to block the rotation of said control spool, said land means extending into said at least one channel transversely to the direction of flow of the pressure medium, said land means extending substantially radially into said annular channel.

REFERENCES:
patent: 3435851 (1969-04-01), Olmsted
patent: 3565115 (1971-02-01), Beckett et al.
patent: 3630230 (1971-12-01), Stahle
patent: 4022425 (1977-05-01), Govzman et al.

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