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. 12, 2009
Filed:
Feb. 07, 2005
Gregory O. Woodcock, Mesa, AZ (US);
Robert W. Mahar, Gilbert, AZ (US);
William Tesch, Mesa, AZ (US);
Richard A. Bonvouloir, Phoenix, AZ (US);
John C. Saunders, Fountain Hills, AZ (US);
Udo Schuelke, Mesa, AZ (US);
Gregory O. Woodcock, Mesa, AZ (US);
Robert W. Mahar, Gilbert, AZ (US);
William Tesch, Mesa, AZ (US);
Richard A. Bonvouloir, Phoenix, AZ (US);
John C. Saunders, Fountain Hills, AZ (US);
Udo Schuelke, Mesa, AZ (US);
Honeywell International Inc., Morristown, NJ (US);
Abstract
A cleaning method for a combustor comprises positioning a spray portion of a nozzle through an igniter plug boss and spraying an acid solution inside the combustion chamber. The acid solution impinges the inner liner and the outer liner, dissolving contaminant deposits inside the effusion holes. The nozzle can have a second spray portion outside the combustion chamber to provide acid solution to the radially outward surface of the outer liner. After cleaning, distilled water is sprayed through the nozzle to remove the acid solution residue from the combustor. The used acid solution and distilled water can be collected, filtered and pumped through the nozzle to provide a recirculating cleaning/rinsing system.