Rotary valve

Details Rotary valve Rotary valve

1979-11-02

1981-06-16

Cline, William R.

Valves and valve actuation

Valve head movably connected for accommodation to seat

Rotatable only

251214, 251305, F16K 2500

Patent

active

042733081

ABSTRACT:
A concentric rotary valve having a rotatable stem of a valve disc supported by bearing portions and metal seats mounted in a valve housing to contact metal seats on the valve disc. Clearances in directions parallel to a closed disc surface and radial of the valve stem are barely enough to permit a shift of the valve disc to provide a good seat-to-seat contact when the valve is closed, and clearances in directions normal to the closed disc surface and radial of the rotatable stem are barely enough to permit normal rotations of the stem.

REFERENCES:
patent: 1824168 (1931-09-01), Orton
patent: 2737375 (1956-03-01), Kittler
patent: 2738158 (1956-03-01), Fuglie
patent: 4022424 (1977-05-01), Davis et al.
patent: 4146206 (1979-03-01), Malloy et al.
patent: 4188012 (1980-02-01), Johnson
patent: 4200258 (1980-04-01), Gliatas

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