Rotary valve

Details Rotary valve Rotary valve

1987-02-06

1988-01-12

Chambers, A. Michael

Fluid handling

Systems

Flow path with serial valves and/or closures

13761421, 251901, F16K 718

Patent

active

047184531

ABSTRACT:
A valve in which a rotary valve member includes rollers which support two endless belts to roll along the cylindrical wall of a valve housing as the valve member is opened and closed. The belts seal tightly against the wall and close off inlet and outlet ports when the valve member is in its closed position.

REFERENCES:
patent: 601634 (1898-05-01), Cotter et al.
patent: 2534577 (1950-12-01), Courtot
patent: 3726313 (1973-04-01), Pandya
patent: 4078764 (1978-03-01), Haffner
patent: 4161184 (1979-07-01), Traut
patent: 4390036 (1983-06-01), Athanashiu et al.
Article entitled Rolling Diaphragm Seals Valve appearing at p. 84 of the Sep. 27, 1982 issue of Design News.

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