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:
Oct. 03, 2006
Filed:
Feb. 09, 2004
Bryan P. Dube, Columbia, CT (US);
William Abdel-messeh, Middletown, CT (US);
Daniel Herrera, East Hartford, CT (US);
Richard Page, Guilford, CT (US);
Bryan P. Dube, Columbia, CT (US);
William Abdel-Messeh, Middletown, CT (US);
Daniel Herrera, East Hartford, CT (US);
Richard Page, Guilford, CT (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
A turbine blade having improved cooling characteristics is provided. The turbine blade has an airfoil portion having a span, and at least one cooling passageway in the airfoil portion extending from a root portion of the airfoil portion to a tip portion of the airfoil portion. A plurality of turbulation promotion devices are placed in the at least one cooling passageway. The turbulation promotion devices have a P/e ratio which varies along the span of the airfoil portion, where P is the pitch between adjacent turbulation promotion devices and e is the height of the turbulation promotion devices.