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:
Feb. 25, 2003
Filed:
Mar. 12, 2001
Takeyoshi Doko, Tokyo, JP;
Koji Okada, Tokyo, JP;
Takeshi Iguchi, Kariya, JP;
Takaaki Sakane, Kariya, JP;
Yoshihiro Kinoshita, Kariya, JP;
Taketoshi Toyama, Kariya, JP;
Akira Uchikawa, Kariya, JP;
Satoshi Nohira, Kariya, JP;
Homare Koutate, Kariya, JP;
Other;
Abstract
There is disclosed a heat exchanger made of an aluminum alloy having a radiator part ( ) and an oil cooler part ( ) in combination and manufactured integrally by the brazing method, wherein a refrigerant tank ( ) for covering and sealing the oil cooler part is made of an aluminum alloy, an aluminum alloy containing Si in an amount from more than 7.0 wt % to 12.0 wt %, Fe in an amount from more than 0.05 wt % to 0.5 wt %, Cu in an amount from more than 0.4 wt % to 8.0 wt %, Zn in an amount from more than 0.5 wt % to 10.0 wt %, and the balance of aluminum and inevitable impurities is used as a filler material of brazing sheets that are used for the oil cooler part and are brazed in the tank, and the refrigerant tank is assembled integrally with the radiator part and the oil cooler part by brazing with the brazing material. The heat exchanger made of an aluminum alloy by using an aluminum material instead of a resin tank, can be easily recycled, is excellent in corrosion resistance, and can be manufactured without requiring a step of caulking a tank.