MAGNETIC REDUCTION DEVICE
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United States of America
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Issued Date -
Jan 23, 2020
app pub date -
May 10, 2019
filing date -
May 10, 2019
priority date (Note) -
Published
status (Latency Note)
Importance
Abstract
A magnetic reduction device includes: a base portion; a rotor rotatably supported relative to the base portion, and supporting first permanent magnets having different polarities alternatively arranged in a circumferential direction; a magnet support portion supporting second permanent magnets having different polarities alternatively arranged in the circumferential direction, the second permanent magnets being arranged concentrically with the first permanent magnets; and a soft magnetic body support portion supporting soft magnetic bodies arranged between the first permanent magnets and the second permanent magnets along the circumferential direction, and being in non-contact with the rotor and the magnet support portion.
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