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. 18, 2012
Filed:
Dec. 10, 2009
Kenshirou Muramatsu, Nishio, JP;
Yasutoshi Yamanaka, Kariya, JP;
Kimio Kohara, Nagoya, JP;
Yuuki Mukoubara, Chiryu, JP;
Kenshirou Muramatsu, Nishio, JP;
Yasutoshi Yamanaka, Kariya, JP;
Kimio Kohara, Nagoya, JP;
Yuuki Mukoubara, Chiryu, JP;
Denso Corporation, Kariya, JP;
Abstract
An exhaust heat recovery device is provided with an evaporation portion for evaporating an operation fluid flowing therein by performing heat exchange with exhaust gas of an engine, a condensation portion for condensing the operation fluid flowing from the evaporation portion by performing heat exchange with coolant of the engine, and a flow adjusting portion for adjusting a flow amount of the operation fluid flowing from the condensation portion to the evaporation portion. A catalyst temperature detector is adapted to detect a temperature of a catalyst for purifying the exhaust gas, and a control unit sets a catalyst heating mode when the detected temperature of the catalyst is lower than a threshold value. Furthermore, the control unit causes the flow adjusting portion to adjust the flow amount of the operation fluid from the condensation portion to the evaporation portion at zero, in the catalyst heating mode.