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:
Nov. 27, 2018
Filed:
Jul. 12, 2016
Joma-polytec Gmbh, Bodelshausen, DE;
Hans-Peter Ott, Hirrlingen, DE;
Bernd Hess, Nuertingen, DE;
Martin Thoma, Riederich, DE;
Thomas Gulde, Hechingen, DE;
Torsten Helle, Dusslingen, DE;
Freidhelm Pfitzer, Rangendingen, DE;
Joma-Polytec GmbH, Bodelshausen, DE;
Abstract
A rotor for a vane cell pump—in particular, for a vacuum pump—with a base body that is made of plastic and can be driven by rotation, and that rotates about an axis of rotation during operation, wherein the base body comprises a guiding section for slidably receiving a pump vane and wherein the base body is flanked in the direction of the axis of rotation by a first bearing surface and a second bearing surface, wherein the second bearing surface comprises bearing sections that are at a distance from one another and that lie on a circular path that is arranged concentrically to the axis of rotation.