Title:
EXHAUST HEAT RECOVERY DEVICE
Document Type and Number:
Japanese Patent JP2018084173
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To inhibit heat exchange when heat exchange by a heat exchanger is not intended.SOLUTION: In an exhaust heat recovery device, a heat exchanger 46 is disposed in a clearance between an inner cylinder 34 having an inner peripheral side on which an exhaust gas from an engine flows and an outer cylinder 36 disposed on an outer peripheral side of the inner cylinder 34. An on-off valve 38 is disposed downstream from a vent hole 42 of the inner cylinder 34. A heat insulation mat 46 is disposed while coming into contact with an outer periphery of the inner cylinder 34 and an inner periphery of the heat exchanger 46 over a circumferential direction.SELECTED DRAWING: Figure 1
Inventors:
SAWAI OSAMU
NAKAGAWA TAKAKI
NAKAGAWA TAKAKI
Application Number:
JP2016226859A
Publication Date:
May 31, 2018
Filing Date:
November 22, 2016
Export Citation:
Assignee:
TOYOTA MOTOR CORP
International Classes:
F01N5/02; F01N13/08
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda