Fluid sprinkling – spraying – and diffusing – With cleaning means – drip collecting – waste disposal or soil... – Nozzle cleaner – flusher or drainer
Patent
1998-02-10
1999-10-19
Kashnikow, Andres
Fluid sprinkling, spraying, and diffusing
With cleaning means, drip collecting, waste disposal or soil...
Nozzle cleaner, flusher or drainer
239106, 222571, 251 635, 251331, B05B 1502
Patent
active
059674148
ABSTRACT:
A suck back valve includes a fitting having a fluid passage formed with a first port at one end thereof and a second port at another end, a valve actuator having a suck back mechanism for sucking a fluid from inside the fluid passage according to a negative pressure action of a diaphragm displaced by a pilot pressure, and first and second electromagnetic valves which increase/reduce the pilot pressure supplied to a diaphragm chamber in accordance with supply and discharge actions. A controller is provided for energizing and deenergizing the first and second electromagnetic valves, wherein said fitting, said actuator and said controller are assembled together as an integral unit.
REFERENCES:
patent: 3895748 (1975-07-01), Klingenberg
patent: 4394945 (1983-07-01), Taylor, Jr.
patent: 4597719 (1986-07-01), Tano
patent: 5134962 (1992-08-01), Amada et al.
patent: 5386849 (1995-02-01), Gilchrist et al.
patent: 5423482 (1995-06-01), Mueller et al.
Fukano Yoshihiro
Maruyama Tetsuro
Ganey Steven J.
Kashnikow Andres
SMC Kabushiki Kaisha
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