Suck back valve

Details Suck back valve Suck back valve

1998-02-18

1999-07-27

Kashnikow, Andres

Fluid sprinkling, spraying, and diffusing

With cleaning means, drip collecting, waste disposal or soil...

Nozzle cleaner, flusher or drainer

239106, 239 71, 239 75, 222571, 251 11, 251 3002, 251 635, 251331, B05B 1502

Patent

active

059276053

ABSTRACT:
A suck back valve is equipped with a first flow amount control device for controlling a pilot pressure supplied to an ON/OFF valve, and a second flow amount control device for controlling a pilot pressure supplied to a suck back mechanism, wherein the first and second flow amount control devices are operated based on activating and deactivating signals output from a main controller.

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: 5423482 (1995-06-01), Mueller et al.

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