The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 17, 2004
Filed:
Apr. 01, 2003
Applicant:
Inventors:
Peter Suttie, San Diego, CA (US);
Dennis E. Schmidt, San Diego, CA (US);
Michael E. Mehrer, San Diego, CA (US);
Tarrence LaMar Mack, Santee, CA (US);
Assignee:
Hamilton Sundstrand Corporation, Rockford, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F01K 2/300 ;
U.S. Cl.
CPC ...
F01K 2/300 ;
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.