Patents by Inventor Andrew Alfonso Frank

Andrew Alfonso Frank 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).

  • Wind Turbine Systems Using Continuously Variable Transmissions and Controls
    Publication number: 20100308586
    Abstract: A wind turbine system is disclosed comprising: a plurality of turbine blades; a continuously variable transmission coupled to said plurality of turbine blades; a generator coupled to said continuously variable transmission; wherein said generator generates electricity and outputs said electricity to a load/grid; and a controller providing control signals as a filtered function of power to said continuously variable transmission. The controller of said wind turbine system may also continuously maintain the parameter dP/dR substantially zero where P is power and R is the ratio of the transmission.
    Type: Application
    Filed: February 24, 2009
    Publication date: December 9, 2010
    Applicant: EFFICIENT DRIVETRAINS, INC
    Inventors: Andrew Alfonso Frank, James Raymond Winkelman