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:
Sep. 16, 1980
Filed:
Dec. 13, 1977
Applicant:
Inventors:
Hans H Schaum, St. Bruno, CA;
Donald J Tedstone, St. Lambert, CA;
Ching-Yee Ma, St. Lambert, CA;
John J Sanderson, St. Bruno, CA;
Assignee:
Pratt & Whitney Aircraft of Canada Limited, Longueuil, CA;
Primary Examiner:
Int. Cl.
CPC ...
F01D / ; F04D / ;
U.S. Cl.
CPC ...
415 / ; 415115 ;
Abstract
A method and apparatus for utilizing bleed air taken interstage from a multi-stage compressor and passing the bleed air through hollow engine support struts in the inlet area of the compressor, the struts being formed such that a jet flap will be provided by the bleed air discharging from the strut to induce a pre-swirl in the air drawn into the compressor at low operating modes.
Schaum, Hans. (1980). Turbine engine with induced pre-swirl at compressor inlet (U.S. Patent No. 4222703). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4222703
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile