Patents by Inventor Tarrence LaMar Mack

Tarrence LaMar Mack 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).

  • Control system for an auxiliary power unit
    Patent number: 6777822
    Abstract: An APU system provides an APU which drives a permanent magnet generator, an APU controller and a fuel controller. The APU controller controls the APU speed through communication with the fuel controller to maintain the generator voltage output within specified limits in response to an engine speed set point signal, a voltage set point signal and a voltage output signal.
    Type: Grant
    Filed: April 1, 2003
    Date of Patent: August 17, 2004
    Assignee: Hamilton Sundstrand Corporation
    Inventors: Peter Suttie, Dennis E. Schmidt, Michael E. Mehrer, Tarrence LaMar Mack