Quick-action bistable polarized electromagnetic actuator

Details Quick-action bistable polarized electromagnetic actuator Quick-action bistable polarized electromagnetic actuator

2011-03-01

2011-03-01

Leung, Quyen (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Reciprocating

C310S028000, C310S029000, C310S032000, C310S034000, C310S035000, C310S036000, C310S037000, C123S090110

Reexamination Certificate

active

07898122

ABSTRACT:
The invention relates to an electromagnetic actuator comprised of a mobile assembly, a fixed ferromagnetic stator assembly, at least one electric field coil, and of at least one permanent magnet, having two stable positions of equilibrium without current at its ends of travel. The invention is characterized in that the mobile assembly has two distinct ferromagnetic armatures placed on both sides of the stator assembly and each forms, together with the stator assembly, at least one magnetic circuit, and is characterized in that the permanent magnet magnetically cooperates with one of the other ferromagnetic mobile parts in a stable position of equilibrium without current at the end of travel.

REFERENCES:
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patent: 5682097 (1997-10-01), Bryant et al.
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patent: 2002/0069842 (2002-06-01), Curtis et al.
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patent: 10146899 (2003-04-01), None
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patent: 2 791 487 (2000-09-01), None
patent: 2005204444 (2005-07-01), None
Machine Translation JP2005204444 (2005).
Machine Translation DE10146899 (2003).

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