Title:
HOT WATER SUPPLY SYSTEM CAPABLE OF HOT WATER PREHEATING AND MALFUNCTION DETERMINATION METHOD USING SAME
Document Type and Number:
WIPO Patent Application WO/2023/163360
Kind Code:
A1
Abstract:
A hot water supply system according to the present invention comprises a boiler which heats water supplied from a direct water pipe to provide same to a hot water pipe and a hot water circulation valve which connects or separates the hot water pipe to or from the direct water pipe on the basis of a valve operation temperature, wherein a preheating time may be learned on the basis of a flow rate of water circulated through the hot water pipe, the hot water circulation valve, the direct water pipe, and the boiler when a preheating operation is performed, and a malfunction of the hot water circulation valve can be determined through flow rate detection without a separate device.
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Inventors:
DO NAM SOO (KR)
KIM SI HWAN (KR)
HEO CHANG HEOI (KR)
SONG YONG MIN (KR)
KIM SI HWAN (KR)
HEO CHANG HEOI (KR)
SONG YONG MIN (KR)
Application Number:
PCT/KR2022/021689
Publication Date:
August 31, 2023
Filing Date:
December 30, 2022
Export Citation:
Assignee:
KYUNGDONG NAVIEN CO LTD (KR)
International Classes:
F24D19/10; F24D17/00; G06N20/00
Foreign References:
| KR20170088611A | 2017-08-02 | |||
| KR20210096284A | 2021-08-04 | |||
| KR20020047842A | 2002-06-22 | |||
| CN114061152A | 2022-02-18 | |||
| EP3418649B1 | 2020-11-04 |
Attorney, Agent or Firm:
BAE, KIM & LEE IP (KR)
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