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:
May. 14, 2013
Filed:
May. 26, 2009
Applicants:
Mark D. Horn, Granada Hills, CA (US);
Thomas M. Walczuk, Oak Park, CA (US);
Inventors:
Mark D. Horn, Granada Hills, CA (US);
Thomas M. Walczuk, Oak Park, CA (US);
Assignee:
Pratt & Whitney Rocketdyne, Inc., Canoga Park, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/264 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ignition system for a combustor includes a resonance system which generates an oscillation pressure force by a resonant flow interaction between two parallel interconnected flow passages which carry an incompressible flow. A piezoelectric system driven by said resonance system. An igniter powered by said piezoelectric system.