Title:
WATER HEATING APPARATUS
Document Type and Number:
WIPO Patent Application WO/2018/216467
Kind Code:
A1
Abstract:
[Problem] To provide a water heating apparatus which has a back firing-type burner installed within a case for a heat exchanger so as to cause heat to be transferred from an outer peripheral flange of the burner to the heat exchanger case. [Solution] This water heating apparatus (1) is provided with: a fan (2) for supplying combustion air; a chamber case (4) which is connected to the fan (2) and which has disposed therein a chamber (3) where an air-fuel mixture is formed; a back firing-type burner (5) for combusting the air-fuel mixture supplied from the chamber (3); a heat exchanger (6) in which combustion gas generated by the burner (5) is introduced into a case (11) where water is heated; and packing (7) which is installed between a peripheral flange (4c) of the chamber case (4) and a peripheral flange (11a) of the case (11), wherein the burner (5) is disposed inside the case (11), and an outer peripheral flange (10a) of the burner (5) is anchored to an inner wall surface of the case (11).
Inventors:
MIURA KEICHI (JP)
Application Number:
PCT/JP2018/017897
Publication Date:
November 29, 2018
Filing Date:
May 09, 2018
Export Citation:
Assignee:
NORITZ CORP (JP)
International Classes:
F23D14/14; F23D14/78; F24H1/14; F24H9/18
Foreign References:
| JPH07167582A | 1995-07-04 | |||
| JPS58193039A | 1983-11-10 | |||
| JPS5350907Y2 | 1978-12-06 | |||
| JP2017116160A | 2017-06-29 |
Attorney, Agent or Firm:
OKAMURA, Toshio (JP)
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