Control valve and method of making the same

Details Control valve and method of making the same Control valve and method of making the same

2005-12-06

2005-12-06

Jacyna, J. Casimer (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Including solenoid

Reexamination Certificate

active

06971629

ABSTRACT:
A control valve is disclosed in which a direct-moved shaft having one end abutted against a diaphragm is direct moved according to deformation of the diaphragm so that a valve element mounted on the other end of the direct-moved shaft is adhered to and separated from an opening edge of a passage, thereby controlling a flow rate of a fluid passing through the passage. The control valve includes a first body enclosing the direct-moved shaft, a second body enclosing the diaphragm, a compressive elastic member deformed when the second body is pressed against the first body, and a holder for holding the second body on the first body while the compressive elastic member is deformed by compression.

REFERENCES:
patent: 4750709 (1988-06-01), Kolenc et al.
patent: 5613836 (1997-03-01), Takenaka et al.
patent: 6302656 (2001-10-01), Hirota
patent: 0 992 684 (2000-04-01), None
patent: 11-218078 (1999-08-01), None
patent: 2000-120912 (2000-04-01), None

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