Patents by Inventor Peter Schmiddunser

Peter Schmiddunser 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).

  • Electric motor with an air duct
    Patent number: 7372180
    Abstract: An electric motor includes a stator (3) secured in the motor housing (2), a rotatable rotor (4), a fan impeller (5) arranged on the rotor (4), and an annular air duct (6) arranged between the fan impeller (5) and the rotor (4) and having a shroud (7) spaced from the impeller (5) by a slot having an axial width (X), a dimensionally stable, with respect to the shroud (7), housing stop (8), an axially, resiliently displaceable fixing element (9) forming a stator stop (10) facing in a same direction as the housing stop (8), and a locking element.
    Type: Grant
    Filed: October 13, 2004
    Date of Patent: May 13, 2008
    Assignee: Hilti Aktiengesellschaft
    Inventors: Helmut Burger, Hansjoerg Schwarz, Peter Schmiddunser, Ernst-Rudolf Luebkert
  • Electric motor with an air duct
    Publication number: 20050089421
    Abstract: An electric motor includes a stator (3) secured in the motor housing (2), a rotatable rotor (4), a fan impeller (5) arranged on the rotor (4), and an annular air duct (6) arranged between the fan impeller (5) and the rotor (4) and having a shroud (7) spaced from the impeller (5) by a slot having an axial width (X), a dimensionally stable, with respect to the shroud (7), housing stop (8), an axially, resiliently displaceable fixing element (9) forming a stator stop (10) facing in a same direction as the housing stop (8), and a locking element.
    Type: Application
    Filed: October 13, 2004
    Publication date: April 28, 2005
    Inventors: Helmut Burger, Hansjoerg Schwarz, Peter Schmiddunser, Ernst-Rudolf Luebkert