Title:
EXHAUST HEAT RECOVERY SYSTEM
Document Type and Number:
Japanese Patent JP2020067049
Kind Code:
A
Abstract:
To provide an exhaust heat recovery system for preventing that a working fluid becomes abnormally high in a temperature and pressure by avoiding a situation that a pump is stopped while a sufficient amount of heat exists in an evaporator.SOLUTION: An exhaust heat recovery system 10 having an evaporator 11, an expander 12, a condenser 13, and a pump 14 which are annularly arranged with respect to a flow of a working fluid F1 comprises: a first clutch 18 arranged at one end side of a drive shaft 17 of the pump 14, and connecting and disconnecting power between a drive shaft 17 and a power transmission shaft 5 of a vehicle 1; and a second clutch 19 arranged at the other end side of the drive shaft 17, and connecting and disconnecting power between the drive shaft 17 and a rotating shaft 16 of the expander 12. When a rotation number N1 of the power transmission shaft 5 is equal to a threshold Na or larger, the first clutch 18 connects the power so as to be transmittable between the drive shaft 17 and the power transmission shaft 5, and when a rotation number N2 of the rotating shaft 16 is equal to the rotation number N1 of the power transmission shaft 5 or larger, the second clutch 19 connects the power so as to be transmittable between the drive shaft 17 and the rotating shaft 16.SELECTED DRAWING: Figure 1
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Inventors:
TAKAHASHI YUSUKE
FUKUNAGA SUSUMU
FUKUNAGA SUSUMU
Application Number:
JP2018200768A
Publication Date:
April 30, 2020
Filing Date:
October 25, 2018
Export Citation:
Assignee:
ISUZU MOTORS LTD
International Classes:
F01K23/10; F02G5/02
Attorney, Agent or Firm:
Seiryu International Patent Service Corporation
Takayoshi in the daytime
Masao Sakaizawa
Yuki Yamada
Takayoshi in the daytime
Masao Sakaizawa
Yuki Yamada