Bistable contactor
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 25, 2003
Grant Date -
N/A
app pub date -
Sep 13, 2000
filing date -
Sep 15, 1999
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A bistable contactor comprises at least two concentrically arranged coils, an armature that is movable relative to the coils, a permanent magnet that is stationary relative to the coils, and a spring element. The armature includes contacts for opening and closing a circuit. The coils move the armature and contacts between a first stable position and a second stable position. In the first stable position, the armature is held in position by the permanent magnet, and in the second stable position, the armature is biased into position by the spring element.
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