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. 14, 2019
Filed:
Apr. 29, 2014
Ksb Aktiengesellschaft, Frankenthal, DE;
Patrick Drechsel, Frankenthal, DE;
Joerg Engelbrecht, Frankenthal, DE;
Juergen Groeschel, Frankenthal, DE;
Christoph Jaeger, Frankenthal, DE;
Markus Lay, Frankenthal, DE;
Wolfram Wetzel, Frankenthal, DE;
KSB Aktiengesellschaft, Frankenthal, DE;
Abstract
A pump arrangement, in particular a magnetic clutch pump arrangement, includes a pump housing containing an impeller shaft, a containment shell which seals an enclosed chamber within the inner chamber of the pump housing, an impeller mounted on one end of the impeller shaft, an inner rotor mounted on the other end of the impeller shaft, an outer rotor which is mounted on the drive shaft and co-operates with the inner rotor, and an auxiliary impeller mounted in the chamber adjacent to a domed base of the containment can. The auxiliary impeller is secured to the inner rotor and includes vanes and impeller channels for circulation of media.