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:
Jun. 16, 2026
Filed:
Sep. 16, 2025
Applicant:
Pratt & Whitney Canada Corp., Longueuil, CA;
Inventors:
Patrice Remy, St. Hubert, CA;
Ian Macfarlane, St-Bruno, CA;
Assignee:
Pratt & Whitney Canada Corp., Longueuil, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F02C 7/12 (2006.01); F02C 3/08 (2006.01); F02C 7/18 (2006.01); F04D 29/44 (2006.01); F04D 29/58 (2006.01);
U.S. Cl.
CPC ...
F02C 7/12 (2013.01); F02C 3/08 (2013.01); F02C 7/185 (2013.01); F04D 29/441 (2013.01); F04D 29/5846 (2013.01); F05D 2240/12 (2013.01); F05D 2260/20 (2013.01);
Abstract
A gas generator casing includes an inner annular wall extending radially inward from an outer annular wall. A diffuser is integrally formed with inner annular wall and forms diffuser passages extending radially outward diffuser pipes connected to tubes. A cooling tube assembly extends through the inner annular wall to form a cooling passage for providing back side cooling of a radial compressor.