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Title:
WASTE HEAT RECOVERY SYSTEM AND ENGINE
Document Type and Number:
Japanese Patent JP2008223509
Kind Code:
A
Abstract:

To provide a waste heat recovery system capable of efficiently supercharging an engine and efficiently recovering waste heat of the engine.

The waste heat recovery system (1) includes a compressor (9) for supercharging the engine (2), a turbine (5) that is actuated by vapor generated by the waste heat of the engine (2) so as to drive the compressor (9), and a motor (11) for driving the compressor (9). The waste heat recovery system (1) also includes a first clutch (13) for switching the connection state between the motor (11) and the turbine (5), a second clutch (15) for switching the connection state between the compressor (9) and the turbine (5), a third clutch (17) for switching the connection state between the compressor (9) and the motor (11), and an ECU (18) that issues switching commands to the clutches. Each clutch is switched between connected and disconnected conditions in accordance with the condition of the engine (2).


Inventors:
MICHIKAWAUCHI AKIRA
KOBAYASHI HIDEO
ARISAWA KATSUHIKO
YAMASHITA YOSHIO
YAMADA KENICHI
HAYASHI KUNIHIKO
Application Number:
JP2007059646A
Publication Date:
September 25, 2008
Filing Date:
March 09, 2007
Export Citation:
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Assignee:
TOYOTA MOTOR CORP
International Classes:
F02B39/12; F01K23/02; F01N5/02; F01P3/22; F02B39/08; F02B39/10; F02G5/00
Attorney, Agent or Firm:
Shuhei Katayama
Toshiyuki Hatta
High Yoshitaka Hayashi



 
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