Title:
HOT-WATER STORAGE BOILER HAVING BOTH HEAT-QUANTITY PROPORTIONAL CONTROL FUNCTION AND BACKFLOW PREVENTION FUNCTION
Document Type and Number:
WIPO Patent Application WO/2019/182237
Kind Code:
A1
Abstract:
The present invention provides a hot-water storage boiler which has a simple structure to prevent backflow of exhaust gas and has both a heat-quantity proportional control function and a backflow prevention function. In the present invention, a check valve is integrally coupled to a burner duct and thus enables convenient assembling, and the check valve is installed in the burner duct without protruding to the outside and thus requires no separate space.
Inventors:
CHOI YOUNG-HWAN (KR)
Application Number:
PCT/KR2019/000383
Publication Date:
September 26, 2019
Filing Date:
January 10, 2019
Export Citation:
Assignee:
CHOI YOUNG HWAN (KR)
International Classes:
F24H9/20; F23L3/00; F23L13/04; F24H9/00
Foreign References:
| JP2017020693A | 2017-01-26 | |||
| KR100724601B1 | 2007-06-04 | |||
| EP2871393B1 | 2017-10-04 | |||
| KR19990036649U | 1999-09-27 | |||
| KR19990026271U | 1999-07-15 |
Attorney, Agent or Firm:
HYUN PATENT & LAW FIRM (KR)
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