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:
Sep. 27, 2016
Filed:
Sep. 03, 2013
Applicant:
Pfeiffer Vacuum Gmbh, Asslar, DE;
Inventors:
Assignee:
Pfeiffer Vacuum GmbH, Asslar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D 1/36 (2006.01); F03B 5/00 (2006.01); F04D 19/04 (2006.01); F04D 29/26 (2006.01); F04D 29/32 (2006.01);
U.S. Cl.
CPC ...
F04D 19/044 (2013.01); F04D 19/04 (2013.01); F04D 19/042 (2013.01); F04D 29/263 (2013.01); F04D 29/266 (2013.01); F04D 29/321 (2013.01);
Abstract
A vacuum pump has a rotor mounted on a rotor shaft and provided with pump active components cooperating with opposite stationary pump active components, fastening element for securing the rotor on the rotor shaft, and a safety element provided in addition to the fastening element for preventing rotation of the rotor and the rotor shaft relative to each other.