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:
Oct. 06, 2020
Filed:
Dec. 21, 2018
Applicant:
Shimadzu Corporation, Kyoto, JP;
Inventor:
Koichi Shimizu, Kyoto, JP;
Assignee:
SHIMADZU CORPORATION, Kyoto, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 19/04 (2006.01); F04D 25/06 (2006.01); F04D 29/58 (2006.01); F04D 29/049 (2006.01);
U.S. Cl.
CPC ...
F04D 19/04 (2013.01); F04D 19/042 (2013.01); F04D 19/044 (2013.01); F04D 19/046 (2013.01); F04D 25/068 (2013.01); F04D 25/0693 (2013.01); F04D 29/5813 (2013.01); F04D 29/5853 (2013.01); F04D 29/049 (2013.01); F05B 2260/221 (2013.01); F05B 2260/231 (2013.01);
Abstract
A vacuum pump comprises: a rotor provided with multiple stages of rotor blades; a base including a ball bearing configured to rotatably support the rotor; an outer cylinder covering the rotor and connected to the base; and a control device including an electronic circuit having a heat generation element. The control device is provided in contact with the outer cylinder.