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Title:
COMBUSTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2017/110019
Kind Code:
A1
Abstract:
[Problem] To provide a combustion device provided with a burner having a burner body 11 and a sheet-metal combustion plate 12, and a combustion housing 2 having a joining flange part 22 which is fastened to a body flange part 112 on the peripheral edge of the burner body, wherein: water passages 51, 52 are provided to the combustion housing as cooling means therefor; pieces of thermal insulation material are also provided which overlap portions of a combustion plate flange part 122 on the peripheral edge of the combustion plate which face the internal space of the combustion housing; positional accuracy of the pieces of thermal insulation material with respect to the combustion plate flange part, and durability of fixing plates for the pieces of thermal insulation material can be ensured; and fixing plate attachment costs can also be reduced. [Solution] The fixing plates 9 for the pieces of thermal insulation material are attached to the combustion plate flange part 122. The fixing plates 9 have, provided thereto, pressing claws 921, 922 which press the pieces of thermal insulation material 81, 82 such that the pieces of thermal insulation material are not separated from the fixing plates 9. Furthermore, the water passages 51, 52 are provided so as to be in contact with the pressing claws 921, 922.

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JP2003130315BURNER
Inventors:
ONO TAKAHIRO (JP)
OJIRO TAKASHI (JP)
OKAMOTO HIDEO (JP)
Application Number:
PCT/JP2016/004448
Publication Date:
June 29, 2017
Filing Date:
October 03, 2016
Export Citation:
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Assignee:
RINNAI KK (JP)
International Classes:
F23D14/78; F23D14/14; F24H9/00
Foreign References:
JPS63168757U1988-11-02
JPH09280549A1997-10-31
JP2008075901A2008-04-03
JP2011196556A2011-10-06
Attorney, Agent or Firm:
SEIGA PATENT AND TRADEMARK CORPORATION (JP)
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