Electromagnetic actuator having permanent magnets placed in the form of a V in an electromagnetically optimized arrangement
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United States of America Patent
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May 1, 2012
Grant Date -
Oct 28, 2010
app pub date -
Jan 8, 2007
filing date -
Jan 12, 2006
priority date (Note) -
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Abstract
The invention relates to an electromagnetic actuator including an actuating member associated with an armature and able to move under the action of at least one electromagnet, a coil, and a core suitable for channeling a flux of the coil so that the flux closes within the armature, where the core includes a base from which branches extend, including a central branch around which the coil extends, and two permanent magnets which are associated with the core. The two permanent magnets are placed in the central branch of the core in order to form a V, which separates the central branch into two parts so that any section of the core or the armature through which the flux from one or the other of the permanent magnets can pass, has an area large enough to prevent saturation by this flux.
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