Valve device having a plurality of solenoids

Details Valve device having a plurality of solenoids Valve device having a plurality of solenoids

2006-04-25

2006-04-25

Look, Edward K. (Department: 3751)

Valves and valve actuation

Electrically actuated valve

Solenoid having plural coils

C251S129160

Reexamination Certificate

active

07032879

ABSTRACT:
To provide a valve device in which a width of a valve body portion is minimized while suppressing reductions in responsiveness and a flow rate and in which a solenoid portion can produce a necessary output with a small width by using an open/close valve with a short stroke. A solenoid valve device for opening and closing an output flow path for pressurized fluid includes the solenoid portion, the valve body portion3in which valve seats are formed to be elongated in the direction of arrangement of the plurality of solenoids, and a movable valve made of a paramagnetic material to open and close the valve seats. The solenoid portion includes a plurality of solenoids having attracting faces which are at one ends of fixed cores and are arranged to be adjacent to each other on the same plane and a common magnetic frame covering the solenoids. Wiring is installed for the solenoid portion so that polarities of magnetic fluxes generated in the fixed cores of the adjacent solenoids during energization are opposite each other or are in the same direction.

REFERENCES:
patent: 2587356 (1952-02-01), McPherson
patent: 2911183 (1959-11-01), Matthews et al.
patent: 3133234 (1964-05-01), Dietz
patent: 6105931 (2000-08-01), Frank et al.
patent: 58-33334 (1983-07-01), None
patent: 5-11409 (1993-03-01), None

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