Electromagnetic flapper valve

Details Electromagnetic flapper valve Electromagnetic flapper valve

1975-04-17

1976-09-28

Rosenthal, Arnold

Fluid handling

Pressure modulating relays or followers

137269, 251141, 251129, F16K 3106

Patent

active

039825540

ABSTRACT:
An electromagnet is mounted on a ferromagnetic support member. A ferromagnetic flapper valve element arranged to control fluid flow from a nozzle orifice is movably mounted on the ferromagnetic support member and controllably moved by the electromagnet. The electromagnet, the support member and the valve element form a substantially closed magnetic circuit with an air gap being provided between the electromagnet and the valve element. Ferromagnetic and paramagnetic spacers are disposed between the electromagnet and the support member. The air gap between the electromagnet and the valve element is determined by the combined thickness of the spacers and another gap in the magnetic circuit is determined by the thickness of the paramagnetic spacer.

REFERENCES:
patent: 1664612 (1928-04-01), French
patent: 2853659 (1958-09-01), Herion
patent: 3368789 (1968-02-01), Martin
patent: 3586287 (1971-06-01), Knobel
patent: 3647177 (1972-03-01), Lang
patent: 3751001 (1973-08-01), Rayment

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