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. 27, 2019
Filed:
May. 25, 2016
Applicant:
Leybold Gmbh, Köln, DE;
Inventors:
Rainer Hölzer, Hürth, DE;
Kai Uhlig, Dresden, DE;
Assignee:
LEYBOLD GMBH, Köln, DE;
Primary Examiner:
Int. Cl.
CPC ...
F04D 19/04 (2006.01); F04D 29/02 (2006.01); F04D 29/32 (2006.01);
U.S. Cl.
CPC ...
F04D 19/042 (2013.01); F04D 19/04 (2013.01); F04D 29/023 (2013.01); F04D 29/322 (2013.01); F04D 29/324 (2013.01); F05D 2300/603 (2013.01); F05D 2300/702 (2013.01);
Abstract
A vacuum-pump rotor, in particular a vacuum-pump rotor for a turbomolecular pump, having a hub element for connecting to a rotor shaft or for forming a rotor shaft. A plurality of rotor blades are connected to the hub element. In order to form a vacuum-pump rotor by means of which a high tip speed can be achieved, the hub element and/or the rotor blades are produced of a plurality of material layers.