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Document Number
US Patent 6942446
Issued Date
September 13, 2005
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Abstract
The invention relates to a feed pump (2) that is configured as a side-channel pump with a plurality of identically designed feed chambers (6, 7) with outlet channels (22, 23) that are disposed opposite one another, thereby eliminating the radial forces acting upon the impeller (4) of the feed pump (2). The feed pump (2) according to the invention is especially wear-free and has a very high degree of efficiency.
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Number of Claims:
6
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Published
September 13, 2005
Application Number
10/450,264
Filed
June 12, 2003
US Classification
415/55.1   415/101 415/102 415/55.2 415/55.3 415/55.4
Int'l Classification
F04D   5/00   (20060101)  
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Parent Case
CLAIM FOR PRIORITY This application claims priority to International Application No. PCT/DE01/04675, which was published in the German language on Jun. 20, 2002, which claims the benefit of priority to German Application No. 10062451.0 which was filed in the German language on Dec. 14, 2000.
Priority Data
Dec 14, 2000 [DE] 100 62 451
USPTO Field of Search
415/55.1   415/55.2   415/55.3   415/55.4   415/101   415/102  
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