Co-axial solenoid and pressure regulator for diaphragm valve

Details Co-axial solenoid and pressure regulator for diaphragm valve Co-axial solenoid and pressure regulator for diaphragm valve

2007-05-21

2010-10-05

Fristoe, Jr., John K (Department: 3753)

Valves and valve actuation

Fluid actuated or retarded

Pilot or servo type motor

C251S030010, C137S505250

Reexamination Certificate

active

07806382

ABSTRACT:
A valve assembly comprises a diaphragm valve, a pressure regulator and a solenoid. The pressure regulator is operatively coupled to the diaphragm valve for maintaining a predetermined pressure in water exiting the diaphragm valve despite fluctuations in the pressure of water entering the diaphragm valve. The solenoid is mounted on the pressure regulator so that a plunger axis of the solenoid extends through a coil spring of the pressure regulator. The solenoid is operatively coupled to the diaphragm valve through the pressure regulator for opening and closing the diaphragm valve.

REFERENCES:
patent: 3439895 (1969-04-01), Marandi
patent: 4226259 (1980-10-01), Szekely et al.
patent: 5213303 (1993-05-01), Walker
patent: 5509448 (1996-04-01), Wilson et al.
patent: 5979482 (1999-11-01), Scott
patent: 2005/0189506 (2005-09-01), Lee

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