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. 01, 2020
Filed:
Jun. 09, 2016
Netzsch Pumpen & Systeme Gmbh, Selb, DE;
Mikael Tekneyan, Kraiburg am Inn, DE;
Philipp Nübl, Gras Bahnhof, DE;
Stefan Weigl, Muehldorf am Inn, DE;
Helmuth Weber, Simbach am Inn, DE;
Markus Rosam, Aschau am Inn, DE;
NETZSCH Pumpen & Systeme GmbH, Selb, DE;
Abstract
A coupling element for connecting a helix-shaped eccentric screw pump rotor to a drive shaft, with a drive shaft receiving portion and a rotor connecting portion arranged at an opposite end of the coupling element from the drive shaft receiving portion, the rotor connecting portion is constituted as a hollow cylinder for receiving a rotor end of the screw pump rotor, wherein the hollow cylinder has at least two inner circumferential surfaces which are complementary to the rotor and have a radius which is fixed with respect to the cross-sectional center of the hollow cylinder.