Magnet fluid sealed bearing unit and drive motor having the bearing unit

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 10527099
APP PUB NO 20180058503A1
SERIAL NO

15681547

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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Provided is a magnetic fluid sealed bearing unit that provides excellent handling ease and workability in incorporating the bearing unit into a rotary shaft portion and exhibits a stable sealing capability. A magnetic fluid sealed bearing unit of the present invention has an inner ring and an outer ring, each made of a magnetic material, a plurality of rolling members interposed between the inner ring and the outer ring, a magnetic seal mechanism arranged between the inner ring and the outer ring and configured to inhibit entry of foreign substances toward the plurality of rolling members, a non-magnetic inner ring-side support member fitted and retained on the inner ring, and a non-magnetic outer ring-side support member fitted and retained on the outer ring.

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First Claim

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Patent Owner(s)

  • GLOBERIDE, INC.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Abe, Yutaro Tokyo, JP 4 1
Yasuda, Hiromu Tokyo, JP 85 607

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