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 7461685 B1

PDF
Full Text
Expired
Date of Patent:
Dec. 09, 2008

Filed:

Nov. 21, 2006
Applicants:

Alastair Overbury, East Ardsley, GB;

Martin Timmins, West Yorkshire, GB;

Adrian Mincher, Leeds, GB;

Inventors:

Alastair Overbury, East Ardsley, GB;

Martin Timmins, West Yorkshire, GB;

Adrian Mincher, Leeds, GB;

Assignee:

Denso Corporation, Kariya, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F28F 9/013 (2006.01); F28F 9/04 (2006.01);
U.S. Cl.
CPC ...
Abstract

A heat exchanger has a header plate with a plurality of openings and a plurality of tubes each having an end portion inserted into one of the plurality of openings in the header plate. Each of the plurality of tubes has a generally rectangular cross-section and a longitudinal axis. An end portion of at least some of the plurality of tubes is stiffened by a respective stiffening part. Each stiffening part includes two reinforcing elements positioned opposite each other abutting an inner surface of the tubes. Each reinforcing element also includes a back portion and two side portions extending from the back portion and a connecting member connecting the side portions of the reinforcing elements.


Find Patent Forward Citations

Overbury, Alastair. (2008). Heat exchanger (U.S. Patent No. 7461685). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7461685

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