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:
Feb. 25, 2014
Filed:
Jun. 30, 2009
Nicholas Joseph Kray, Cincinnati, OH (US);
David W. Crall, Loveland, OH (US);
Daniel E. Mollmann, Cincinnati, OH (US);
Donald Lee Gardner, West Chester, OH (US);
Marcia Boyle Johnson, Lebanon, OH (US);
Howard P. Weaver, Mason, OH (US);
Max Robert Farson, Greenville, SC (US);
Nicholas Joseph Kray, Cincinnati, OH (US);
David W. Crall, Loveland, OH (US);
Daniel E. Mollmann, Cincinnati, OH (US);
Donald Lee Gardner, West Chester, OH (US);
Marcia Boyle Johnson, Lebanon, OH (US);
Howard P. Weaver, Mason, OH (US);
Max Robert Farson, Greenville, SC (US);
General Electric Company, Schenectady, NY (US);
Abstract
An airfoil for use in a rotor assembly is disclosed, the airfoil having a tip-cutter located on a sidewall near a tip portion, wherein the tip-cutter is capable of removing a portion of an abradable material during a tip rub. In another embodiment, an airfoil has a tip-grinder located on the tip portion, wherein the tip-grinder capable of removing a portion of an abradable material during a tip rub. In another embodiment, an airfoil has a tip-rake that facilitates reducing loading induced to said airfoil during tip rubs.