Patents by Inventor Frederic Guihard

Frederic Guihard 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: 7811052
    Abstract: An assembly between a turbine shaft and a stub axle of a turbomachine compressor shaft, the assembly including a substantially cylindrical compressor shaft stub axle, a substantially cylindrical turbine shaft disposed coaxially inside the compressor shaft stub axle, a mechanism for transmitting torque between the turbine shaft and the compressor shaft stub axle, and a clamping mechanism for clamping a downstream end of the turbine shaft to the compressor shaft stub axle. The compressor shaft stub axle has a plurality of teeth extending radially from its inside surface, and the turbine shaft is provided at its downstream end with a plurality of axial slots, the teeth of the stub axle co-operating with the slots of the turbine shaft.
    Type: Grant
    Filed: January 19, 2007
    Date of Patent: October 12, 2010
    Assignee: SNECMA
    Inventors: Frederic Guihard, Gilles Alain Charier
  • Publication number: 20070212226
    Abstract: The invention relates to an assembly between a turbine shaft and a stub axle of a turbomachine compressor shaft, the assembly comprising a substantially cylindrical compressor shaft stub axle, a substantially cylindrical turbine shaft disposed coaxially inside the compressor shaft stub axle, means for transmitting torque between the turbine shaft and the compressor shaft stub axle, and clamping means for clamping a downstream end of the turbine shaft to the compressor shaft stub axle. The compressor shaft stub axle has a plurality of teeth extending radially from its inside surface, and the turbine shaft is provided at its downstream end with a plurality of axial slots, the teeth of the stub axle co-operating with the slots of the turbine shaft.
    Type: Application
    Filed: January 19, 2007
    Publication date: September 13, 2007
    Applicant: SNECMA
    Inventors: Frederic Guihard, Gilles Charier