Title:
WASTE HEAT UTILIZING DEVICE
Document Type and Number:
Japanese Patent JP2014141935
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To efficiently cool EGR gas and reduce the pressure loss of the EGR gas while preventing the temperature of operating fluid from being too high.SOLUTION: A first heat exchanger 31 and a second heat exchanger 32 are arranged in parallel in an EGR passage 65. When a control part S estimates that the EGR gas cooling performance of cooling medium in the first heat exchanger 31 is not reduced, a three-way valve 80 permits the flow of EGR gas into the first heat exchanger 31 and interrupts the flow of the EGR gas into the second heat exchanger 32. When the control part S estimates that the EGR gas cooling performance of the cooling medium in the first heat exchanger 31 is reduced, the three-way valve 80 interrupts the flow of the EGR gas into the first heat exchanger 31 and permits the flow of the EGR gas into the second heat exchanger 32.
Inventors:
MORI HIDEFUMI
IGUCHI MASAO
ENOSHIMA FUMINOBU
ISHIGURO FUMIHIKO
IGUCHI MASAO
ENOSHIMA FUMINOBU
ISHIGURO FUMIHIKO
Application Number:
JP2013011212A
Publication Date:
August 07, 2014
Filing Date:
January 24, 2013
Export Citation:
Assignee:
TOYOTA IND CORP
International Classes:
F02M25/07; F01K23/10; F01N5/02; F01P3/20; F02D21/08; F02G5/02; F02G5/04
Attorney, Agent or Firm:
Hironobu Onda
Makoto Onda
Makoto Onda