Patents by Inventor Norbert L{umlaut over (u)}tkenhaus

Norbert L{umlaut over (u)}tkenhaus 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: 6177741
    Abstract: An electrical motor has a housing, a rotor rotatable in the housing about an axis, a stator in the housing surrounding the rotor and having a plurality of windings each in turn having two axially directed and projecting ends, and a plate fixed to the windings and having an inner face turned axially toward the windings and an outer face turned axially away from the windings. The winding ends project axially past the plate and are exposed at the outer face thereof. Connector strips on the plate engage and interconnect at least some of the winding ends. Contacts on the outer plate face are connected to at least some of the winding ends.
    Type: Grant
    Filed: September 14, 1999
    Date of Patent: January 23, 2001
    Assignee: Wilo GmbH
    Inventors: Norbert L{umlaut over (u)}tkenhaus, Stephan Schreckenberg