Title:
EXHAUST HEAT RECOVERY APPARATUS HAVING DUAL VALVE
Document Type and Number:
WIPO Patent Application WO/2020/027361
Kind Code:
A1
Abstract:
The present invention relates to an exhaust heat recovery apparatus having a dual valve. According to one embodiment of the present invention, provided is an exhaust heat recovery apparatus comprising: a heat exchanger for increasing the temperature of cooling water by exchanging heat with the exhaust heat of an exhaust gas; a housing having an inner flow path formed therein so as to receive the exhaust gas from the outside such that the exhaust gas flows therethrough; a valve assembly including a first valve unit for selectively blocking one from among a heat exchange path of the heat exchanger and the inner flow path of the housing, and a second valve unit independently rotating with respect to the first valve unit so as to open and close the inner flow path of the housing; and a push rod for moving the first valve unit in the direction in which the first valve unit blocks the flow of the heat exchange path according to the transmission of external force to the first valve unit.
Inventors:
KANG JONG HWA (KR)
PARK HONG KYUN (KR)
PARK HONG KYUN (KR)
Application Number:
PCT/KR2018/009657
Publication Date:
February 06, 2020
Filing Date:
August 22, 2018
Export Citation:
Assignee:
SEJONG IND CO LTD (KR)
International Classes:
F02G5/02; F01N1/16; F01N3/02; F01N5/02; F01P7/14; F16K1/20
Foreign References:
| KR101732014B1 | 2017-05-04 | |||
| JP2015031250A | 2015-02-16 | |||
| KR101708777B1 | 2017-02-21 | |||
| JP2009030569A | 2009-02-12 | |||
| KR101092527B1 | 2011-12-13 |
Attorney, Agent or Firm:
KIM, Sun Kee et al. (KR)
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