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.
Patent No.:
Date of Patent:
Jun. 11, 2024
Filed:
May. 24, 2019
Applicant:
Shimadzu Corporation, Kyoto, JP;
Inventors:
Takahiro Mori, Kyoto, JP;
Tsunehiro Inoue, Kyoto, JP;
Tomoo Ota, Kyoto, JP;
Masatsugu Takemoto, Sapporo, JP;
Yu Fu, Sapporo, JP;
Assignee:
SHIMADZU CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K 7/09 (2006.01); F04D 19/04 (2006.01); F04D 25/06 (2006.01); F16C 32/04 (2006.01); H02K 21/20 (2006.01);
U.S. Cl.
CPC ...
H02K 7/09 (2013.01); F04D 19/04 (2013.01); F04D 25/06 (2013.01); F16C 32/0474 (2013.01); H02K 21/20 (2013.01);
Abstract
A vacuum pump () includes a rotor (), a rotor blade (), and a magnetic-bearing-integrated stator () including a coil. The rotor includes a pair of spacer members (), a support member (), a permanent magnet (), and a protective ring (), and in an axial direction of a rotary shaft (), the support member has a mechanical strength higher than that of the protective ring.