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.

Date of Patent:
May. 28, 2024

Filed:

Aug. 09, 2021
Applicant:

Pratt & Whitney Canada Corp., Longueuil, CA;

Inventors:

Scott Smith, St. Lambert, CA;

Eric Durocher, Boucherville, CA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F02C 7/14 (2006.01); F02C 3/22 (2006.01); F02C 3/28 (2006.01); F02C 7/16 (2006.01); F02C 7/18 (2006.01); F02C 7/224 (2006.01); F02C 3/24 (2006.01);
U.S. Cl.
CPC ...
F02C 7/14 (2013.01); F02C 3/22 (2013.01); F02C 3/28 (2013.01); F02C 7/16 (2013.01); F02C 7/185 (2013.01); F02C 7/224 (2013.01); F02C 3/24 (2013.01); F05D 2220/323 (2013.01); F05D 2260/213 (2013.01);
Abstract

In accordance with at least one aspect of this disclosure, there is provided a heat exchange system. The heat exchange system includes a first heat exchanger and a second heat exchanger. The first heat exchanger includes an engine fluid conduit fluidly connecting an engine fluid inlet to an engine fluid outlet. A first internal buffer fluid conduit fluidly connects a first buffer fluid inlet to a first buffer fluid outlet where the engine fluid conduit is in fluid isolation from the first internal buffer fluid conduit but is in thermal communication with the first internal buffer fluid conduit for heat exchange between the engine fluid and the buffer fluid.


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