Patents by Inventor Rolf Wendel

Rolf Wendel 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).

  • Motor centrifugal pump having coolant pump
    Patent number: 8226385
    Abstract: The invention relates to a motor centrifugal pump, particularly as an immersion pump, having a coolant pump that is driven by the electric motor, the pump circulating the coolant of the electric motor and the impeller thereof being driven by the electric motor, wherein the impeller shaft of the coolant pump is connected to the motor shaft via a transmission.
    Type: Grant
    Filed: August 7, 2007
    Date of Patent: July 24, 2012
    Assignee: Wilo AG
    Inventors: Rolf Wendel, Dieter Waechter, Andreas Zeiss, Bernd Huster
  • MOTOR CENTRIFUGAL PUMP HAVING COOLANT PUMP
    Publication number: 20090324436
    Abstract: The invention relates to a motor centrifugal pump, particularly as an immersion pump, having a coolant pump that is driven by the electric motor, the pump circulating the coolant of the electric motor and the impeller thereof being driven by the electric motor, wherein the impeller shaft of the coolant pump is connected to the motor shaft via a transmission.
    Type: Application
    Filed: August 7, 2007
    Publication date: December 31, 2009
    Applicant: WILO AG
    Inventors: Rolf Wendel, Dieter Waechter, Andreas Zeiss, Bernd Huster