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:
May. 09, 2006
Filed:
Feb. 24, 2003
Reinhard Denk, Muehldorf, DE;
Bernhard Murrenhoff, Buchbach, DE;
Christopher Martin Gwalchmai, Kraiburg/Inn, DE;
Johann Kreidl, Waldkraiburg, DE;
Reinhard Denk, Muehldorf, DE;
Bernhard Murrenhoff, Buchbach, DE;
Christopher Martin Gwalchmai, Kraiburg/Inn, DE;
Johann Kreidl, Waldkraiburg, DE;
NETZSCH-Mohnopumpen GmbH, Waldkraiburg, DE;
Abstract
An eccentric screw-type pump has a pump section with a tubular pump casing, a stator cladding and a pump cavity () configured in correspondence with a double-thread or multi-thread screw. A screw-type rotor is connected to a driving shaft via a flexible shaft. The flexible shaft is connected at its two ends via rigid coupler elements to the rotor and the driving shaft, and is surrounded by a preloaded coaxially disposed screw.