Patents by Inventor Colin W R MCFARLANE

Colin W R MCFARLANE 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).

  • Variable pitch propeller rotor
    Patent number: 9302765
    Abstract: A bladed rotor comprises a rotor body 2 carrying blades 6, whose pitch can be varied by means of a pitch input shaft 10. The pitch input shaft 10 drives the respective blade 6 about a spanwise axis X of the blade through a harmonic drive reduction gear 14. The harmonic drive reduction gear 14 comprises a wave generator 16 which is fixed for rotation on the pitch input shaft 10 and a flex spline which meshes with a circular spline 20 and is secured to the blade 6.
    Type: Grant
    Filed: April 27, 2012
    Date of Patent: April 5, 2016
    Assignee: ROLLS-ROYCE plc
    Inventors: Stewart T. Thornton, Paul Simms, Colin W R McFarlane
  • VARIABLE PITCH PROPELLER ROTOR
    Publication number: 20120294718
    Abstract: A bladed rotor comprises a rotor body 2 carrying blades 6, whose pitch can be varied by means of a pitch input shaft 10. The pitch input shaft 10 drives the respective blade 6 about a spanwise axis X of the blade through a harmonic drive reduction gear 14. The harmonic drive reduction gear 14 comprises a wave generator 16 which is fixed for rotation on the pitch input shaft 10 and a flex spline which meshes with a circular spline 20 and is secured to the blade 6.
    Type: Application
    Filed: April 27, 2012
    Publication date: November 22, 2012
    Applicant: ROLLS-ROYCE PLC
    Inventors: Stewart T. THORNTON, Paul SIMMS, Colin W R MCFARLANE