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:
Mar. 06, 2018
Filed:
Nov. 22, 2012
Tokyo Radiator Mfg. Co., Ltd., Fujisawa-shi, Kanagawa, JP;
Tetsu Yokoo, Fujisawa, JP;
Toshihito Nakanowatari, Fujisawa, JP;
Toshikazu Kodama, Fujisawa, JP;
Kazuya Okawara, Fujisawa, JP;
Norihito Seki, Fujisawa, JP;
Susumu Kozai, Fujisawa, JP;
Isao Ayuse, Fujisawa, JP;
Taketoshi Tamura, Fujisawa, JP;
Kenta Semura, Fujisawa, JP;
Tokyo Radiator MFG. Co., Ltd., Fujisawa-shi, Kanagawa, JP;
Abstract
There is provided an EGR cooler having a core portion in which a large number of flat tubes through which exhaust gases pass are stacked one on another in an interior of a hollow cylindrical shell to be joined to the shell for heat exchange between the exhaust gases and a cooling fluid which flows around the tubes, a cylindrical inlet header which is joined to an upstream side of the shell in relation to a gas flow at one end thereof, and a cylindrical outlet header which is joined to a downstream side of the core portion in relation to the gas flow at one end thereof, characterized in that the inlet header and the outlet header are joined to an outer surface of the shell, and the tubes are joined to an inner surface of the shell at those joint portions.