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:
Aug. 03, 2021
Filed:
Aug. 02, 2018
Applicant:
Pfeiffer Vacuum Gmbh, Asslar, DE;
Inventors:
Jan Hofmann, Gruenberg, DE;
Florian Schneider, Gruenberg, DE;
Assignee:
Pfeiffer Vacuum GmbH, Asslar, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 19/04 (2006.01); F04D 29/058 (2006.01); F04D 29/048 (2006.01); F16C 17/04 (2006.01); F04D 27/00 (2006.01);
U.S. Cl.
CPC ...
F04D 19/042 (2013.01); F04D 19/04 (2013.01); F04D 19/048 (2013.01); F04D 27/001 (2013.01); F04D 29/048 (2013.01); F04D 29/058 (2013.01); F16C 17/045 (2013.01); F04B 2205/01 (2013.01); F05D 2270/3011 (2013.01); F16C 2360/45 (2013.01);
Abstract
The present invention relates to a vacuum pump, in particular to a turbomolecular pump, having at least one pump stage and having a pressure determination unit for determining a pressure present at a suction side of the vacuum pump, said pump comprising a measurement device, with a measurement tap of the measurement device being provided in the region of the pump stage or downstream of the pump stage.