Title:
EXHAUST HEAT RECOVERY DEVICE
Document Type and Number:
Japanese Patent JP2010059960
Kind Code:
A
Abstract:
To implement a temperature rise promoting process for a catalyst 5 provided in an exhaust path 4 of an internal combustion engine 1, and a temperature rise promoting process for cooling water for the internal combustion engine 1, as needed in an exhaust heat recovery device 18.
The exhaust heat recovery device 18 includes first, second looped heat pipes 20, 30. The first looped heat pipe 20 recovers exhaust heat on the downstream side of a catalyst 5 in an exhaust path 4 of an internal combustion engine 1 for heat exchange with the catalyst 5. The second looped heat pipe 30 recovers the heat of the catalyst 5 for heat exchange with cooling water delivered temporarily from the internal combustion engine 1.
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Inventors:
MURATA TOSHIRO
YUKIMITSU HIDEYUKI
TOI MASAO
YUKIMITSU HIDEYUKI
TOI MASAO
Application Number:
JP2009148818A
Publication Date:
March 18, 2010
Filing Date:
June 23, 2009
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F01N5/02; F01N3/24; F01N13/08; F28D15/02
Attorney, Agent or Firm:
Patent Business Corporation Ark Patent Office
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