Electromagnetic actuator

Details Electromagnetic actuator Electromagnetic actuator

1985-12-11

1987-11-24

Kashnikow, Andres

Valves and valve actuation

Electrically actuated valve

Including solenoid

335234, 335267, 335281, 239585, B05B 130, F16K 3102, H01F 708, H01F 700

Patent

active

047083174

ABSTRACT:
The electromagnetic actuator has fixed and movable electromagnets. Each of both electromagnets has a plurality of slots formed in a substantially flat plane of a core member, and coil elements disposed in each slot so that directions of current in each slot are reversed alternately. The fixed and movable electromagnets are housed in a housing, with the respective slot-formed planes facing each other. Both electromagnets are excited at the same time, and resultant magnetic attraction or repulsion between both electromagnets causes the movable magnet to move. The movement of the movable magnet is derived by pickup means. By means of the utilization of attraction and repulsion between the electromagnets, a high speed operation can be achieved.

REFERENCES:
patent: 3623460 (1971-11-01), Komaroff
patent: 4156506 (1979-05-01), Locke et al.
patent: 4553121 (1985-11-01), Logie
patent: 4626814 (1986-12-01), Montuschi et al.
patent: 4643223 (1987-02-01), Abe et al.

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