Patents by Inventor Andrew Edward Honegger

Andrew Edward Honegger 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).

  • Electro-magnetic closed-loop speed control for air-turbine spindles
    Patent number: 7989972
    Abstract: A method an apparatus for providing speed control in a spindle system are provided. The apparatus includes an air turbine spindle that rotates at a speed, an electromagnetic device coupled to the spindle for creating a torque to maintain a desired speed of the spindle, and a tachometer for generating a measurement of the rotational speed of the spindle. The electromagnetic device applies a torque to the spindle in response to the measurement to change the speed of the spindle to the desired speed.
    Type: Grant
    Filed: October 23, 2006
    Date of Patent: August 2, 2011
    Assignee: Microlution, Inc.
    Inventors: Andrew Edward Honegger, Andrew Gordon Phillip