Fluid handling – Systems – Programmer or timer
Patent
1985-10-21
1987-03-17
Cohan, Alan
Fluid handling
Systems
Programmer or timer
13762532, F16K 1106
Patent
active
046499555
ABSTRACT:
The pulsed gas supply consists of a cylindrical gas reservoir which conta a multiplicity of small release ports in a helical pattern and an inner cylindrical rotary valve which also contains a multiplicity of small release ports in the same helical pattern. The reservoir and valve constitute an integral unit which has the advantage of totally balanced forces on a single moving part. This allows for motion free of friction caused by the high pressures of the gas supply.
REFERENCES:
patent: 2518003 (1950-08-01), Goddard
patent: 3937252 (1976-02-01), Ishida
patent: 4546795 (1985-10-01), Okamoto
Honeycutt Thomas E.
Jenkins Andrews H.
Otto William F.
Roberts Thomas G.
Bush Freddie M.
Cohan Alan
Garvin, Jr. John C.
Hilton Harold W.
The United States of America as represented by the Secretary of
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