Linear electromagnetic actuator

Details Linear electromagnetic actuator Linear electromagnetic actuator

1988-09-28

1989-08-08

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335262, H01F 708

Patent

active

048557021

ABSTRACT:
An electromagnetic actuator includes a frusto-conical projection having a central opening formed therein. A winding is contained in a housing surrounding the projection which encompasses the projection. A shaft extends through a central opening in the projection and carries an armature having a reciprocally configured frusto-conical surface. Excitation of the winding causes linear movement of the shaft on bearings contained within the housing.

REFERENCES:
patent: 3303445 (1967-02-01), Flentge
patent: 4044324 (1977-08-01), Coors
patent: 4267897 (1981-05-01), Takeshima

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