Fluid handling – Systems – Multi-way valve unit
Patent
1999-06-04
2000-12-19
Rivell, John
Fluid handling
Systems
Multi-way valve unit
13762546, F16K 11074
Patent
active
061615838
ABSTRACT:
A control valve which is useful for controlling devices without the use of direct electrical power. The control valve is configured such that it allows for the control of flowable media, such as water, hydraulic fluids, and it can also be used with gases, including air, and the like.
REFERENCES:
patent: 2696219 (1954-12-01), Barksdale
patent: 2744540 (1956-05-01), Erle
patent: 2938543 (1960-05-01), Johnson
patent: 2952274 (1960-09-01), Anderson
patent: 2959330 (1960-11-01), Charbonneau
patent: 3477207 (1969-11-01), Auger
patent: 3713462 (1973-01-01), Bushee
patent: 3747630 (1973-07-01), Hurrell
patent: 4614204 (1986-09-01), Dolejs
patent: 4996728 (1991-03-01), Nolan
patent: 5105851 (1992-04-01), Fogelman
patent: 6012487 (2000-01-01), Hauck
McKellar Robert L.
Rivell John
Schoenfeld Meredith H.
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