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:
Jul. 16, 2013
Filed:
Jul. 09, 2009
Applicant:
Per Frost Vedsted, Bjerringbro, DK;
Inventor:
Per Frost Vedsted, Bjerringbro, DK;
Assignee:
Grundfos Management a/s, Bjerringbro, DK;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D 29/52 (2006.01);
U.S. Cl.
CPC ...
Abstract
A pump assembly is provided with a pump () having one or more pump stages (), wherein at least one of the components () of the pump assembly, whose axial length depends on the number of pump stages (). On at least one of its axial ends, the component has no connection configuration which is formed in the component () itself and which is limited to the axial end. Instead, it is connected at this axial end with a friction fit and/or a positive fit to a connection element () which is coupled and/or connected to adjacent parts of the pump assembly, or is provided for coupling to adjacent parts of the pump assembly.