Valve for adjusting the rate of flow of a gaseous fluid

Details Valve for adjusting the rate of flow of a gaseous fluid Valve for adjusting the rate of flow of a gaseous fluid

1982-08-12

1985-02-19

Schwadron, Martin P.

Valves and valve actuation

Balanced valves

Reciprocating

251324, F16K 3904

Patent

active

045000700

ABSTRACT:
Valve for adjusting the rate of flow of a gaseous fluid, comprising a valve body (1) having a side inlet (2) and an outlet (3), an obturator (10) movable in translation within a housing (4) and bearing on a seat (18) when the outlet (3) is shut off, said housing (4) being fastened within the body (1) by means (5) located externally of the fluid flow path. The mobile obturator (10) has a front part (9) in the form of a hollow cylinder surrounding with limited clearance a nose-piece (7) attached to the housing (4) by rigid arms within the housing (4). The front surface (17) of the nose-piece (7) extended by the front surface (16) of the obturator (10) and the front part (6) of the housing (4) are of an aerodynamic shape. Reduction of the effects of unsteady forces on the obturator across the full range of openings without head losses when fully open.

REFERENCES:
patent: 1752439 (1930-04-01), Larner
patent: 2087037 (1937-07-01), McCarthy
patent: 2091699 (1937-08-01), Bryant

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