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:
Dec. 11, 2012
Filed:
Dec. 05, 2007
Manabu Orihashi, Toyota, JP;
Tadashi Nakagawa, Aichi-ken, JP;
Yoshio Hasegawa, Toyota, JP;
Yasuhiro Kaya, Toyota, JP;
Manabu Orihashi, Toyota, JP;
Tadashi Nakagawa, Aichi-ken, JP;
Yoshio Hasegawa, Toyota, JP;
Yasuhiro Kaya, Toyota, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota-shi, Aichi-ken, JP;
Abstract
An exhaust heat recovery system () includes: an exhaust heat exchanger () that is communicated with a catalytic converter () through an exhaust gas pipe (A), and that recovers exhaust heat into a coolant; and heat transfer restriction means () provided between the catalytic converter () and the exhaust heat exchanger (). The heat transfer restriction means () includes a heat insulator () disposed between a first exhaust gas pipe () and a second exhaust gas pipe () that constitute the exhaust gas pipe (A), and. restrains a released heat from the catalytic converter () from reaching the exhaust heat exchanger ().