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:
May. 31, 2022
Filed:
Mar. 01, 2019
Applicant:
Leybold Gmbh, Cologne, DE;
Inventor:
Rainer Hölzer, Hürth, DE;
Assignee:
LEYBOLD GMBH, Cologne, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 19/04 (2006.01); F04D 29/18 (2006.01); F04D 29/66 (2006.01); F04D 29/056 (2006.01); F16C 27/04 (2006.01);
U.S. Cl.
CPC ...
F04D 19/042 (2013.01); F04D 29/056 (2013.01); F04D 29/18 (2013.01); F04D 29/668 (2013.01); F16C 27/04 (2013.01);
Abstract
A vacuum pump comprises stator elements in a pump housing. The stator elements cooperate with rotor elements. The rotor elements are held by a rotor shaft, wherein the rotor shaft is mounted in the pump housing via bearing elements. The bearing element is surrounded by a supporting element, wherein the supporting element comprises an inner portion, an outer portion and a plurality of spring arms connecting the inner portion () to the outer portion. Each spring arm comprises at least one hollow space.