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:
Nov. 24, 1987
Filed:
Dec. 14, 1984
Applicant:
Inventors:
Frederick M Schwarz, Glastonbury, CT (US);
James G Griffin, West Hartford, CT (US);
Assignee:
United Technologies Corporation, Hartford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04D / ;
U.S. Cl.
CPC ...
415115 ; 415116 ;
Abstract
Apparatus for supplying pressurized cooling air to the turbine blades (20) of a gas turbine engine is disclosed. Multiple nozzles (38 and 40) of a tangential on-board injection system for pressurizing the cooling air are staged to provide variable rates of cooling airflow to the blades.