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:
Apr. 17, 2012
Filed:
Apr. 17, 2009
Sergio Daniel Marques Amaral, Simpsonville, SC (US);
Michael A. Sullivan, Woodstock, GA (US);
Xiuzhang J. Zhang, Simpsonville, SC (US);
Gary M. Itzel, Simpsonville, SC (US);
Felipe Roman-morales, Simpsonville, SC (US);
Scott E. Ellis, Simpsonville, SC (US);
Sergio Daniel Marques Amaral, Simpsonville, SC (US);
Michael A. Sullivan, Woodstock, GA (US);
Xiuzhang J. Zhang, Simpsonville, SC (US);
Gary M. Itzel, Simpsonville, SC (US);
Felipe Roman-Morales, Simpsonville, SC (US);
Scott E. Ellis, Simpsonville, SC (US);
General Electric Company, Schenectady, NY (US);
Abstract
A blade tip of a turbine rotor blade for a gas turbine engine, the turbine rotor blade including an airfoil and a root portion for mounting the airfoil along a radial axis to a rotor disk inboard of a turbine shroud, a pressure sidewall and a suction sidewall that join together at a leading edge and a trailing edge, the pressure sidewall and suction sidewall extending from the root portion to the blade tip, and a squealer tip cavity formed at the blade tip, the blade tip comprising: a trailing edge trench originating at the squealer tip cavity, wherein the trailing edge trench generally extends toward the trailing edge of the blade tip.