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:
Jan. 31, 2006
Filed:
Apr. 14, 2004
Applicants:
Guy Bouchard, Mont St-Hilaire, CA;
Zenon Szlanta, Brossard, CA;
Lazar Mitrovic, Longueuil, CA;
Inventors:
Assignee:
Pratt & Whitney Corp., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A turboprop powerplant with at least a compressor having a forward compressor inlet and a shaft extending axially through the compressor and having a shaft axis, an inlet duct encircling the shaft passing therethrough, the inlet duct having an aft end in gas communication with the compressor inlet and a forward end having at least two branches each with an inlet orifice, each inlet orifice having a centroid in a radial plane through and transverse to the shaft axis, the centroids and shaft axis defining an angle less than 180°.