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. 14, 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 has an airfoil with a root end and a tip end and at least one cooling passageway in the airfoil. Each cooling passageway extends from the root end to the tip end and has a circular cross-section. A plurality of turbulation promotion devices are arranged in each cooling passageway. Each of the turbulation promotion devices is arcuate in shape and circumscribes an arc less than 180 degrees.