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:
Dec. 27, 2022
Filed:
Apr. 11, 2018
Applicant:
Edwards Japan Limited, Yachiyo, JP;
Inventor:
Toshiaki Kawashima, Yachiyo, JP;
Assignee:
Edwards Japan Limited, Yachiyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 19/04 (2006.01); F04D 29/058 (2006.01); F16C 32/04 (2006.01);
U.S. Cl.
CPC ...
F04D 19/048 (2013.01); F04D 29/058 (2013.01); F16C 32/0489 (2013.01); F05B 2240/511 (2013.01); F05B 2260/96 (2013.01); F16C 32/0446 (2013.01); F16C 2360/45 (2013.01);
Abstract
Provided are a vacuum pump, a magnetic bearing device, and a rotor that suppress swinging and vibration of a rotor. A vacuum pump includes, in the following order in the exhaust direction of a gas, the center of gravity of a rotor, an active radial bearing that supports the rotor in the radial direction in a non-contact manner by using a magnetic force, and a passive radial bearing that supports the rotor in the radial direction in a non-contact manner using a magnetic force.
Kawashima, Toshiaki. (2022). Vacuum pump, magnetic bearing device, and rotor (U.S. Patent No. 11536280). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11536280
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile