Electromagnetic valve

Details Electromagnetic valve Electromagnetic valve

1991-09-04

1994-05-24

Rivell, John

Valves and valve actuation

Electrically actuated valve

Balanced valve

25112908, 251333, F16K 3102, F16K 3902

Patent

active

053141636

ABSTRACT:
An electromagnetic valve for controlling a passage for a flow of fluid or for a difference in the pressures between an inlet (48;56) and an outlet (56;48), comprises a body (10;16;46) on which is arranged a solenoid coil (22), a bore (26) in which is slideably mounted valve member (30) progressively displaceable in response to actuation of the solenoid coil (22) between a first position and a second position. The valve member (30) and the body (46) comprises cooperating valve surfaces (54;62) defining the passage. One valve surface (62) has in axial section a variable profile so that the area of the passage, in a radial section is a predetermined function of the intensity of the current applied to the solenoid coil (22).

REFERENCES:
patent: 1970726 (1934-08-01), Barrett
patent: 2403751 (1946-07-01), Palmer
patent: 3664369 (1972-05-01), Johnson
patent: 3684238 (1972-08-01), Michellone et al.
patent: 4417601 (1983-11-01), Bennett
patent: 4543983 (1985-10-01), Pauliukonis
patent: 4595170 (1986-06-01), Livet
patent: 4647008 (1987-03-01), Shirai et al.
patent: 4651971 (1987-03-01), Donahue, Jr.

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