Patents by Inventor Karl Knaus

Karl Knaus 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: 9534594
    Abstract: A rotary piston machine is disclosed. In one aspect, the machine includes a piston chamber that is defined in a housing by a first sidewall, a second sidewall and a peripheral wall interconnecting these sidewalls and a rotary piston that is rotatably arranged in the piston chamber and has a first face and a second face. The first face of the rotary piston faces an interior of the first sidewall of the piston chamber and the second face of the rotary piston faces an interior of the second sidewall of the piston chamber. at least one ventilation bore is provided in the first and/or the second sidewall of the piston chamber and connected to at least one ventilation channel, wherein the at least one ventilation bore is arranged at a location that radially lies within at least one first lateral seal.
    Type: Grant
    Filed: May 24, 2013
    Date of Patent: January 3, 2017
    Assignee: AVL List GmbH
    Inventors: Michael Steinbauer, Andreas Krobath, Karl Knaus, Heinrich Fuerhapter
  • Publication number: 20130336829
    Abstract: A rotary piston machine is disclosed. In one aspect, the machine includes a piston chamber that is defined in a housing by a first sidewall, a second sidewall and a peripheral wall interconnecting these sidewalls and a rotary piston that is rotatably arranged in the piston chamber and has a first face and a second face. The first face of the rotary piston faces an interior of the first sidewall of the piston chamber and the second face of the rotary piston faces an interior of the second sidewall of the piston chamber at least one ventilation bore is provided in the first and/or the second sidewall of the piston chamber and connected to at least one ventilation channel, wherein the at least one ventilation bore is arranged at a location that radially lies within at least one first lateral seal.
    Type: Application
    Filed: May 24, 2013
    Publication date: December 19, 2013
    Inventors: Michael Steinbauer, Andreas Krobath, Karl Knaus, Heinrich Furhapter