Valve seat

Details Valve seat Valve seat

1979-10-23

1981-09-01

Schwadron, Martin P.

Valves and valve actuation

With means to increase head and seat contact pressure

Seat pressed to valve

251306, F16K 1228

Patent

active

042867690

ABSTRACT:
A valve seat contains a seat ring (12) with flat, parallel side faces (19, 20). The seat ring consists of steel or possibly of PTFE. When the valve is being shut by a throttle (1), a sealing surface of the throttle is pressed against the seat ring which adopt itself as to form and position to the mean line of the throttle, and the seat ring is displaced in a groove (18) in the plane of the seat. A couple of spring washers (10, 11) sealingly engage the parallel side faces of the seat ring. When the throttle is reopened the spring washers secure the seat ring in its position.

REFERENCES:
patent: 2054064 (1936-09-01), Anderson
patent: 2882010 (1959-04-01), Bryant
patent: 3025035 (1962-03-01), Swain
patent: 3030066 (1962-04-01), Swain
patent: 3059897 (1962-10-01), Jensen
patent: 3080145 (1963-03-01), Swain
patent: 3250510 (1966-05-01), Williams
patent: 3578287 (1971-05-01), Salerno et al.
patent: 4058290 (1977-11-01), Nelimarkka
patent: 4162782 (1979-07-01), Wilkins

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