Patents by Inventor Gottfried KAISER

Gottfried KAISER 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).

  • Exhaust valve assembly for a two-stroke engine
    Patent number: 9404399
    Abstract: An exhaust valve assembly has a valve actuator, a first valve part (FVP) operatively connected to the actuator, a second valve part (SVP), and at least one auxiliary valve operatively connected to the second valve part. When the actuator is in a first position, the FVP is in a fourth position, the SVP is in a seventh position and the at least one auxiliary valve is in a ninth position. When the actuator is in a second position, the FVP is in a fifth position, the SVP is in the seventh position and the at least one auxiliary valve is in the ninth position. When the actuator is in a third position, the FVP is in a sixth position, the SVP is in an eighth position and the at least one auxiliary valve is in a tenth position. The second position is intermediate the first and third positions.
    Type: Grant
    Filed: July 24, 2014
    Date of Patent: August 2, 2016
    Assignee: BRP-ROTAX GMBH & CO KG
    Inventors: Markus Doppelbauer, Christian Berger, Gunther Zauner, Gottfried Kaiser, Michael Seyrl
  • EXHAUST VALVE ASSEMBLY FOR A TWO-STROKE ENGINE
    Publication number: 20150034060
    Abstract: An exhaust valve assembly has a valve actuator, a first valve part (FVP) operatively connected to the actuator, a second valve part (SVP), and at least one auxiliary valve operatively connected to the second valve part. When the actuator is in a first position, the FVP is in a fourth position, the SVP is in a seventh position and the at least one auxiliary valve is in a ninth position. When the actuator is in a second position, the FVP is in a fifth position, the SVP is in the seventh position and the at least one auxiliary valve is in the ninth position. When the actuator is in a third position, the FVP is in a sixth position, the SVP is in an eighth position and the at least one auxiliary valve is in a tenth position. The second position is intermediate the first and third positions.
    Type: Application
    Filed: July 24, 2014
    Publication date: February 5, 2015
    Inventors: Markus DOPPELBAUER, Christian BERGER, Gunther ZAUNER, Gottfried KAISER, Michael SEYRL