Electromagnetic actuator using permanent magnets

Details Electromagnetic actuator using permanent magnets Electromagnetic actuator using permanent magnets

2006-05-03

2008-10-21

Schuberg, Darren (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

C310S013000, C310S015000

Reexamination Certificate

active

07439640

ABSTRACT:
An actuator mechanism having a different magnet polarity arrangement than the conventional mechanisms is provided. The actuator mechanism100has a magnet unit210that includes magnets30and an electromagnetic coil unit110that includes an electromagnetic coil. the relative positions of the magnet unit210and the magnetic coil unit110can change. The magnet unit210includes a yoke member20and two or more magnets30. The two magnets30are pulled toward the yoke member20in the state where identical poles face each other across the yoke member20.

REFERENCES:
patent: A 5-205232 (1993-08-01), None
patent: A 6-12796 (1994-01-01), None
patent: A 6-311720 (1994-11-01), None
patent: A 2002-90705 (2002-03-01), None
patent: 2003-199312 (2003-07-01), None
patent: A 2004-264819 (2004-09-01), None

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