The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 15, 2024

Filed:

Apr. 25, 2019
Applicant:

Shimadzu Corporation, Kyoto, JP;

Inventors:

Takahiro Mori, Kyoto, JP;

Tsunehiro Inoue, Kyoto, JP;

Tomoo Ota, Kyoto, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 19/04 (2006.01); F16C 32/04 (2006.01);
U.S. Cl.
CPC ...
F04D 19/042 (2013.01); F04D 19/048 (2013.01); F16C 32/0489 (2013.01); F16C 32/0497 (2013.01); F16C 2360/45 (2013.01);
Abstract

A rotation mechanism () of a vacuum pump () includes a magnetic bearing unit () having a first outer diameter (), the magnetic bearing unit () being operable as a first radial magnetic bearing (), and a motor unit () provided on a side of a second end () of a rotary shaft () relative to the magnetic bearing unit, the motor unit () having a second outer diameter () larger than the first outer diameter, the motor unit () being operable as both a motor () and a second radial magnetic bearing ().


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