Patents by Inventor Karl-Heinz Oltmanns

Karl-Heinz Oltmanns 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: 5532535
    Abstract: An electric drive for a vehicle includes a motor housing; bearing plates closing opposite ends of the housing; roller bearings held in the bearing plates; an electric motor accommodated in the motor housing and including an axially hollow rotor shaft affixed to a rotor and journalling in the roller bearings; a gear housing adjoining the motor housing; a gearing accommodated in the gear housing; a gear coupling the rotor shaft with an input of the gearing; and a first output shaft coupled to an output of the gearing. The first output shaft extends through an end wall of the gear housing and passes axially through the rotor shaft and through the bearing plates. The first output shaft has an end situated externally of the motor housing. The electric drive further has a second output shaft coupled to an output of the gearing. The second output shaft extends through an end wall of the gear housing and has an end situated externally of the gear housing.
    Type: Grant
    Filed: June 27, 1994
    Date of Patent: July 2, 1996
    Assignee: Licentia Patent-Verwaltungs-GmbH
    Inventor: Karl-Heinz Oltmanns