Patents by Inventor Kai Lunau

Kai Lunau 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).

  • Drive unit for a submersible oil pump, with a fluid passage allowing the fluid in the motor housing to be discharged to the ambient enviroment
    Patent number: 9587638
    Abstract: A drive unit (3) for a submersible oil pump, including a housing (7), a motor compartment (9) that is surrounded by the housing (7), and a rotor (13) arranged in the motor compartment (9), whereby a first fluid path (35) leading from a submerged oil environment (37) of the housing (7) to the motor compartment (9) is provided so as to allow oil to flow from the submerged oil environment (37) into the motor compartment (9).
    Type: Grant
    Filed: March 13, 2012
    Date of Patent: March 7, 2017
    Assignee: Magna Powertrain Bad Homburg GmbH
    Inventors: Elmar Hoppach, Kai Lunau, Andreas Bernert
  • DRIVE UNIT FOR A SUBMERSIBLE OIL PUMP, A PUMP
    Publication number: 20150184659
    Abstract: A drive unit (3) for a submersible oil pump, including a housing (7), a motor compartment (9) that is surrounded by the housing (7), and a rotor (13) arranged in the motor compartment (9), whereby a first fluid path (35) leading from a submerged oil environment (37) of the housing (7) to the motor compartment (9) is provided so as to allow oil to flow from the submerged oil environment (37) into the motor compartment (9).
    Type: Application
    Filed: March 13, 2012
    Publication date: July 2, 2015
    Applicant: ixetic Bad Homburg GmbH
    Inventors: Elmar Hoppach, Kai Lunau, Andreas Bernert