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:
Nov. 20, 2007
Filed:
Jun. 08, 2005
Applicants:
David G. Bannon, Rockford, IL (US);
William E. Seidel, Rockford, IL (US);
Inventors:
David G. Bannon, Rockford, IL (US);
William E. Seidel, Rockford, IL (US);
Assignee:
Hamilton Sundstrand Corporation, Windsor Locks, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B64C 11/00 (2006.01); B64C 27/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A ram air turbine (RAT) prevents release of its turbine blades due an over-speed condition by detecting an over-speed condition with a turbine hub-mounted centrifugally operated trigger mechanism and rotating the blades to a fixed coarse pitch position with a release mechanism that responds to the trigger mechanism.