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:
Aug. 17, 1982
Filed:
Dec. 17, 1979
Applicant:
Inventors:
Wallace N Kelly, Bolton, CT (US);
Roger D Breunig, Meriden, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F01D / ;
U.S. Cl.
CPC ...
416 95 ;
Abstract
A rotor disk adapted to receive a plurality of coolable rotor blades of a gas turbine engine is disclosed. Various construction details for cooling air holes in rotor disks are developed. In structures embodying the present invention tangential stress concentration factors are reduced. The elongated axis of each cooling air hole lies in a plane perpendicular to the axis of symmetry of the disk.