Magnetic actuator

Details Magnetic actuator Magnetic actuator

1997-11-12

2000-07-04

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335220, H01F 700

Patent

active

060844922

ABSTRACT:
A bistable permanent-magnet actuator is disclosed having a tailored switching/position force characteristic, with an adequate, modifiable holding force in the end positions. The actuator is characterized in that the yoke is formed by two parts that are mounted so as to face each other and are separated by two gaps. The dimensions of the air gaps may be tailored to obtain intended characteristics.

REFERENCES:
patent: 3178151 (1965-04-01), Caldwell
patent: 3381181 (1968-04-01), Weathers
patent: 3783423 (1974-01-01), Mater et al.
patent: 4422060 (1983-12-01), Matsumoto et al.
patent: 4751587 (1988-06-01), Green, Jr.

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