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:
Jul. 21, 1981
Filed:
Dec. 20, 1978
Applicant:
Inventors:
James G Griffin, West Hartford, CT (US);
Frederick M Schwarz, Glastonbury, CT (US);
Assignee:
United Technologies Corporation, Hatford, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C / ;
U.S. Cl.
CPC ...
6022 / ; 60 3966 ; 60266 ; 415136 ; 415139 ;
Abstract
An active clearance control (ACC) for a turbofan engine is disclosed herein where the cross section of the external spray bars are fabricated in square or substantially square configurations.
Griffin, James. (1981). External gas turbine engine cooling for clearance control (U.S. Patent No. 4279123). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4279123
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile