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Title:
FUEL GAS WATER HEATER AND HEAT EXCHANGER FOR USE IN FUEL GAS WATER HEATER
Document Type and Number:
WIPO Patent Application WO/2017/206304
Kind Code:
A1
Abstract:
A fuel gas water heater and a heat exchanger (100) for use in the fuel gas water heater. The heat exchanger (100) comprises: a housing (10), where a heat exchanging cavity (101) is defined within the housing (10), a smoke inlet (104) is provided at the upper part of the housing (10) and in communication with the heat exchanging cavity (101), and a smoke outlet (105) is provided at the lower part and in communication with the heat exchanging cavity (101); a main heat exchanger (20) provided within the heat exchanging cavity (101) and arranged between the smoke inlet (104) and the smoke outlet (105); and a condensation heat exchanger (30) provided within the heat exchanging cavity (101) and arranged between the main heat exchanger (20) and the smoke outlet (105). At least a part of the heat exchanging cavity (101) forms a variable diameter cavity, the cross-section area of the variable diameter cavity decreases gradually from top to bottom, and the condensation heat exchanger (30) is provided within the variable diameter cavity.

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Inventors:
DU, Xiaowen (East Road Wanchun, Wuhu Committee of Economic-Technological Development Zone East AreaWuhu, Anhui 9, 241009, CN)
LIANG, Guorong (East Road Wanchun, Wuhu Committee of Economic-Technological Development Zone East AreaWuhu, Anhui 9, 241009, CN)
HUANG, Guanxian (East Road Wanchun, Wuhu Committee of Economic-Technological Development Zone East AreaWuhu, Anhui 9, 241009, CN)
LU, Zu'an (East Road Wanchun, Wuhu Committee of Economic-Technological Development Zone East AreaWuhu, Anhui 9, 241009, CN)
Application Number:
CN2016/092098
Publication Date:
December 07, 2017
Filing Date:
July 28, 2016
Export Citation:
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Assignee:
WUHU MIDEA KITCHEN AND BATH APPLIANCES MFG. CO., LTD. (East Road Wanchun, Wuhu Committee of Economic-Technological Development Zone East AreaWuhu, Anhui 9, 241009, CN)
MIDEA GROUP CO., LTD. (B26-28F, Midea Headquarter BuildingNo. 6 Midea Avenue, Beijiao, Shund, Foshan Guangdong 1, 528311, CN)
International Classes:
F24H1/10; F24H9/00
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (Room 301 Trade Building, ZhaolanyuanTsinghua University, Qinghuayua, Haidian Beijing 4, 100084, CN)
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