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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.:

US 10323887 B1

PDFFull Text
Date of Patent:
Jun. 18, 2019

Filed:

Aug. 08, 2017

Heat exchanger and fabrication

Applicant:

Hamilton Sundstrand Corporation, Charlotte, NC (US);

Inventor:

Colette O. Fennessy, Bloomfield, CT (US);

Assignee:

HAMILTON SUNDSTRAND CORPORATION, Charlotte, NC (US);

Attorney:

Cantor Colburn LLP

Primary Examiner:

Richard Chang

Int. Cl.
CPC ...
B23P 15/00 (2006.01); F28F 13/18 (2006.01); B23P 15/26 (2006.01); B22F 5/10 (2006.01); F28F 7/02 (2006.01); F28F 9/00 (2006.01); F28F 21/08 (2006.01); B33Y 80/00 (2015.01); B22F 3/105 (2006.01); B22F 3/11 (2006.01); B33Y 10/00 (2015.01);
U.S. Cl.
CPC ...
F28F 13/18 (2013.01); B22F 3/1055 (2013.01); B22F 3/11 (2013.01); B22F 5/10 (2013.01); B23P 15/26 (2013.01); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12); F28F 7/02 (2013.01); F28F 9/00 (2013.01); F28F 21/08 (2013.01); B22F 2999/00 (2013.01); F28F 2200/00 (2013.01); Y02P 10/295 (2015.11);
Abstract

A heat exchanger and method for making a heat exchanger assembly is described, involving generating a digital model of a heat exchanger assembly that comprises a heat exchanger core within a housing. The digital model is inputted into an additive manufacturing apparatus or system comprising an energy source. The additive manufacturing apparatus applies energy from the energy source to successively applied incremental quantities of a metal powder, which fuses the powder to form incremental portions of the heat exchanger core and housing according to the digital model. Unfused or partially fused metal powder is enclosed in a first region of the heat exchanger assembly between the heat exchanger core and the housing.

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