Oscillating rotary swing actuator with rotary solenoid and projecting fixed yoke
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United States of America Patent
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Oct 18, 2016
Grant Date -
Sep 26, 2013
app pub date -
Feb 14, 2012
filing date -
Feb 17, 2011
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Abstract
A rotary solenoid includes a swing yoke to which two magnets are fixed and a fixed yoke including projection portions at opposite sides thereof. An electromagnetic coil including a major magnetic pole is arranged at a center of the fixed yoke. The rotary solenoid is arranged to define a magnetic circuit extending through one of the magnets, the major magnetic pole, the fixed yoke, the projection portion, and the other magnet at a shortest distance.
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