Rotary flow regulating valve and method

Details Rotary flow regulating valve and method Rotary flow regulating valve and method

1976-05-13

1980-08-05

Weakley, Harold W.

Fluid handling

Systems

Multi-way valve unit

251159, 251171, 251172, F16K 500

Patent

active

042157226

ABSTRACT:
A rotary flow regulating valve in which a cylindrical expansible bellows mounted in the valve body and encircling a conduit therethrough moves a circular seal means between engagement with a spherical sealing surface of a valve member and a position withdrawn from the sealing surface. The valve body and valve member cooperate in defining a circumferential flow path between the sealing surface and the valve body and a diametrical flow path through the valve member. With the bellows vented to withdraw the seal means from the sealing surface, the valve member is rotated to regulate fluid flow through the valve while dividing fluid flow between the circumferential and diametrical flow paths and continue fluid flow over the sealing surface to thereby distribute wear and maintain sealing efficiency.

REFERENCES:
patent: 3007490 (1961-11-01), Passmore
patent: 3062238 (1962-11-01), Boyd
patent: 3580539 (1971-05-01), Van Scoy
patent: 3901474 (1975-08-01), Kubota

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