Electromagnetically actuated valve

Details Electromagnetically actuated valve Electromagnetically actuated valve

1992-10-05

1993-06-29

Rosenthal, Arnold

Valves and valve actuation

Electrically actuated valve

Including solenoid

2511291, 123 9011, F16K 3106

Patent

active

052227146

ABSTRACT:
An electromagnetically actuated valve is disclosed having an upper electromagnetic element and a lower electromagnetic element, each of the elements having a toroidal configuration or an annular configuration with a U-shaped cross-section. The elements each define a central chamber and a central channel. The upper and lower electromagnetic elements are in a mirrored relationship to each other. The valve also includes a core element having an annular horizontal cross-section and is disposed intermediate the upper and lower electromagnetic elements. A coil is disposed within the central channel of each of the electromagnetic elements. A valve stem is disposed within the central chamber of the electromagnetic elements. A spring is disposed within the central chamber of the electromagnetic elements for biasing the electromagnetic elements in a neutral position. A connecting plate connects the core elements to the valve stem. Applying current to the coil in the upper electromagnetic element causes the valve to close, and interrupting the current to the coil in the upper electromagnetic element and applying current to the coil in the lower electromagnetic element causes the valve to open.

REFERENCES:
patent: 4719882 (1988-01-01), Kreuter
patent: 5131624 (1992-07-01), Kreuter et al.

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