Patents by Inventor Peter Znika

Peter Znika 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: 8967536
    Abstract: A landing gear vibration absorber (1) of a helicopter (2) with a landing gear (3) comprising a pair of skids (4, 5) and at least one cross tube (6, 7) for mounting the skids (4, 5) to a helicopter's fuselage (8). At least one spring-mass system (10, 20, 24) is mounted to the landing gear (3). Said at least one spring-mass system (10, 20, 24) is tuned to the helicopter's main excitation frequency and said at least one spring-mass system (10, 20, 24) being located at or near at least one antinode of the landing gear (3). The invention is related as well to a method of operating a landing gear vibration absorber (1) of a helicopter (2).
    Type: Grant
    Filed: December 17, 2012
    Date of Patent: March 3, 2015
    Assignee: Airbus Helicopters Deutschland GmbH
    Inventors: Raphael Rammer, Peter Znika
  • Publication number: 20120174699
    Abstract: A rotary device associated with drive means. The rotary device comprises a shaft and/or a hub and balancing means for balancing its rotational motion. The balancing means has a hollow chamber surrounding the hub and a solid/fluidic material with thixotropic properties, which fills partly the hollow chamber.
    Type: Application
    Filed: January 4, 2012
    Publication date: July 12, 2012
    Applicant: EUROCOPTER DEUTSCHLAND GMBH
    Inventors: Falk Hoffmann, Peter Konstanzer, Peter Znika