Magnetic flow control valve

Details Magnetic flow control valve Magnetic flow control valve

1987-09-23

1988-11-08

Rosenthal, Arnold

Fluid handling

Systems

Supply and exhaust

25112914, 25112916, 25112908, 25112921, 335271, F16K 3106, F15B 13044

Patent

active

047828609

ABSTRACT:
A magnet for control valve includes a housing having an inlet and an outlet for a pressurized fluid, a valve seat member having a conical inner surface valve seat, a spherical valve body adapted to be in line contact with the valve seat, a throttle adjusting plate made of a magnetic material shiftable toward and away from the valve seat, and an electromagnet for attracting and releasing the throttle adjusting plate to shift the valve body toward and away from the valve seat. According to the invention a sheet, preferably made of urethane foam is arranged on a side of the throttle adjusting plate opposite to the valve body, thereby eliminating noise caused by self-oscillation of the valve body and throttle adjusting plate, while maintaining high responsibility as a magnetic control valve.

REFERENCES:
patent: 3463192 (1969-08-01), Herion, Jr.
patent: 3501724 (1970-03-01), Westphal
patent: 3521854 (1970-07-01), Leiber et al.
patent: 3659631 (1972-05-01), Rakoske
patent: 3837356 (1974-09-01), Selep et al.
patent: 3874407 (1975-04-01), Griswold
patent: 4272748 (1981-06-01), Fugate et al.
patent: 4490057 (1984-12-01), Reece
patent: 4580598 (1986-04-01), Itoh

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