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. 13, 2019
Filed:
Jun. 29, 2015
Applicant:
United Technologies Corporation, Hartford, CT (US);
Inventors:
Edward Mierzejewski, Broad Brook, CT (US);
William Rose, Warren, MA (US);
Assignee:
United Technologies Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23H 1/04 (2006.01); B23H 9/10 (2006.01); B23P 6/00 (2006.01); F01D 5/00 (2006.01); F01D 5/20 (2006.01);
U.S. Cl.
CPC ...
B23P 6/002 (2013.01); B23H 1/04 (2013.01); B23H 9/10 (2013.01); B23P 6/007 (2013.01); F01D 5/005 (2013.01); F01D 5/20 (2013.01); F05D 2240/307 (2013.01);
Abstract
A repair tool and repair method for restoring gas turbine engine blade tips to a predetermined configuration is provided. The repair tool is an electrode that includes a tool body and a number of pins. The repair tool can be used to repair turbine blade tips through an electrical discharge machining process, such as a ram- or sink-type electrical discharge machining process.