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.:

US 9617999 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 11, 2017

Filed:

Jun. 25, 2013
Applicant:

Ruhrpumpen Gmbh, Witten, DE;

Inventors:

Günther Schneider, Herne, DE;

Michael Westib, Bochum, DE;

Christian Jussen, Dortmund, DE;

Katja Wischmann, Bochum, DE;

Assignee:

RUHRPUMPEN GMBH, Witten, DE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F04D 13/02 (2006.01); F04D 13/06 (2006.01); H01F 7/02 (2006.01);
U.S. Cl.
CPC ...
F04D 13/024 (2013.01); F04D 13/025 (2013.01); F04D 13/0626 (2013.01); H01F 7/0242 (2013.01);
Abstract

A magnetic coupling, in particular a magnetic coupling pump, includes an inner rotor and an outer rotor which each carry magnets. Disposed between the inner and outer rotors is a double-wall containment shroud, which includes an outer shroud and an inner shroud. Each of the inner and outer shrouds includes a flange, a middle section and a bottom section, wherein a gap is disposed between the middle section and the bottom section. The inner shroud is connected by its flange to the flange of the outer shroud. The gap is filled at least in sections with a solid material.


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