Rotary valve

Details Rotary valve Rotary valve

1979-07-30

1981-05-26

Rosenthal, Arnold

Fluid handling

With cleaner, lubrication added to fluid or liquid sealing...

Cleaning or steam sterilizing

137375, 251212, F16K 504, F16L 5808

Patent

active

042692180

ABSTRACT:
A valve comprises a valve case having a fluid passage and a pair of opposed valve plates turnably disposed on the opposite sides of the fluid passage and each having an abrasion resistant lining over the surface thereof facing the fluid passage. Drive means causes the valve plates to perform a symmetric circular motion at the same time. When the abrasion resistant lining surfaces of the valve plates are positioned upright in parallel to each other, the fluid passage is in its fully open state. The fluid passage can be closed by turning the valve plates inward symmetrically with respect to each other and thereby bringing the opposed end edges of the plates into abutting contact with each other at the center of the fluid passage.

REFERENCES:
patent: 1835891 (1931-12-01), Mildren
patent: 2159540 (1939-05-01), MacClatchie
patent: 2352799 (1944-07-01), Newton
patent: 2587704 (1952-03-01), Debo
patent: 2849861 (1958-09-01), Gardiner et al.
patent: 3102710 (1963-09-01), Dresden
patent: 3367359 (1968-02-01), Johnson
patent: 3417961 (1968-12-01), Shorrock
patent: 3701359 (1972-10-01), Worley et al.

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