Patents by Inventor Lu Engelbert

Lu Engelbert 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).

  • Patent number: 6144137
    Abstract: A motor assembly (52) for a vehicle steering system (10) includes a housing (80) having an interior sidewall portion (82) and spaced apart end portions (86, 88). The assembly (52) also includes a stator (92) positioned within the housing (80). The stator (92) has an outer sidewall portion (98), a substantial part of which is spaced from the interior sidewall (82) of the housing (80). The interior sidewall portion (82) of the housing (80) is connected with the outer sidewall portion (98) of the stator (92) at predetermined contact areas (100) located proximate structural nodal points of the stator (92) for reducing acoustic noise during operation of the motor assembly (52).
    Type: Grant
    Filed: December 2, 1998
    Date of Patent: November 7, 2000
    Assignee: TRW Inc.
    Inventor: Lu Engelbert