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:
Dec. 02, 1980
Filed:
Dec. 27, 1977
Elias Hucul, Jr, Wallingford, CT (US);
Robert E Gladden, Burlington, MA (US);
United Technologies Corporation, Hartford, CT (US);
Abstract
A convectively cooled turbine blade has a three-pass cooling air passageway. Air enters the blade at its root end, travels along a reversing path through the passageway and is emitted through an array of slots in the blade trailing edge generally configured in the form of a Venetian blind. Pedestals or turning vanes located in the turning areas of the passageway control separation of flow to prevent development of local hot spots. Pedestals located in a midchord portion of the passageway prevent sidewall panel vibration and enhance cooling efficiency. A root metering plate governs magnitude of cooling flow through the turbine blade.