Patents by Inventor Michael Baempfer

Michael Baempfer has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Fuel pump comprising an electric motor
    Patent number: 7362029
    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).
    Type: Grant
    Filed: March 15, 2004
    Date of Patent: April 22, 2008
    Assignee: Siemens Aktiengesellschaft
    Inventors: Michael Baempfer, Wolfgang Warnke
  • Motor for a fuel pump
    Patent number: 7345399
    Abstract: An electrically commutated motor for a fuel pump having a rotor connected to a shaft and having plastic-bonded ferrite, with a fuel-resistant shaped body formed by the plastic-bonded ferrite, and a magnetic return element adjustable in relation to the shaped body.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: March 18, 2008
    Assignee: Siemens Aktiengesellschaft
    Inventors: Michael Baempfer, Jens Missun, Wolfgang Warnke
  • Motor for a fuel pump
    Publication number: 20070108860
    Abstract: An electrically commutated motor for a fuel pump having a rotor connected to a shaft and having plastic-bonded ferrite, with a fuel-resistant shaped body formed by the plastic-bonded ferrite, and a magnetic return element adjustable in relation to the shaped body.
    Type: Application
    Filed: November 4, 2004
    Publication date: May 17, 2007
    Applicant: SIEMENS AKTIENGESELLSCHAFT
    Inventors: Michael Baempfer, Jens Missun, Wolfgang Warnke
  • Fuel pump comprising an electric motor
    Publication number: 20060208599
    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).
    Type: Application
    Filed: March 15, 2004
    Publication date: September 21, 2006
    Inventors: Michael Baempfer, Wolfgang Warnke