High force-gain valve

Details High force-gain valve High force-gain valve

1983-02-28

1984-10-16

Schwadron, Martin P.

Valves and valve actuation

Balanced valves

Reciprocating

251319, F16K 3904

Patent

active

044770561

ABSTRACT:
A high force-gain valve including a housing having first and second openings therein, a fluid diverter fixed in position within the housing and aligned with the second opening, a translatable gate closely surrounding the diverter and having a sealing edge which in the closed position seats against the portion of the housing adjacent the second opening, and a positioner for translating the gate between open and closed positions. The gate is hollow, its interior being in fluid communication with the interior of the housing, and has a beveled sealing edge, exposing most of the sealing edge to the fluid pressure within the housing, and is therefore force balanced. The force balancing permits the gate to be easily and quickly translated and positioned between the open and closed positions.

REFERENCES:
patent: 642039 (1900-01-01), Garrels
patent: 1649953 (1927-11-01), Ernst
patent: 1729802 (1929-10-01), Smith
patent: 1752439 (1930-04-01), Larner
patent: 2087037 (1937-07-01), McCarthy
patent: 2638108 (1953-05-01), Williams et al.
patent: 2921603 (1960-01-01), Lofink
patent: 3121444 (1964-02-01), Bering
patent: 3601147 (1971-08-01), Myers
patent: 3680832 (1972-08-01), Uliczky
patent: 3892384 (1975-07-01), Myers
patent: 4004605 (1977-01-01), Rakcevic
patent: 4351353 (1982-09-01), Filidoro et al.

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