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:
Jul. 24, 2001
Filed:
Jul. 14, 2000
John Fernihough, Ennetbaden, CH;
Alexander Beeck, Küssaberg, DE;
Andreas Bögli, Wettingen, CH;
ABB Alstom Power (Schweiz) AG, Baden, CH;
Abstract
Process of plugging cooling holes (,) of a gas turbine component (,) with an external surface (,), having a cavity (,) and a plurality of cooling holes (,) before coating the gas turbine component (,), characterised in that mask material (,) is applied to the external surface (,) of the component (,) while a fluid is forced through the cooling holes (,), the mask material (,) is thickened while the fluid is forced through the cooling holes (,), the cooling holes (,) are plugged with plug material (,), the mask material (,) is removed from the external surface (,) of the component (,), the component (,) and the plugged cooling holes (,) are coated and the plug material (,) is removed from the cooling holes (,).