Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Wolfgang Warnke0
Michael Baempfer0
Date of Patent
April 22, 2008
Patent Application Number
10552929
Date Filed
March 15, 2004
Patent Primary Examiner
Patent abstract
The invention relates to a fuel pump which comprises an electric motor. Said electric motor is provided with carbon brushes (11) that cover a plurality of lamellae (17) of a collector (9). Grooves (7) in an armature (6) include sections of a plurality of coils (8), thereby particularly reducing erosion of the carbon brushes (11).
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