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. 04, 1994
Filed:
Jan. 05, 1994
Applicant:
Inventor:
Joseph A Sylvestro, New Britain, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
416 / ; 416 / ;
Abstract
Tube 16 within airfoil 10 carries cooling air. Flow openings 28 in the tubes direct cooling air 29 against the airfoil inner surface 14. Protrusions 30 form extended surface in the form of segmented trip strips are located with segmented trip strips are located with at least same in registration with openings 28. The chamber 18 between the tube 16 and surface 14 has an increasing flow area toward air exit 20.