JPH0450352U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図および第２図は、本考案の実施例を示し
、第１図は瞬間湯沸器の縦断面図、第２図は要部
の拡大断面図である。第３図ないし第８図は夫々
、本考案の別実施例を示す拡大断面図である。第
９図は従来例を示す瞬間湯沸器の縦断面図である
。 ２……壁体、２ｂ……外面、３……燃焼ガス路
、５……水管、８……熱伝導抑制部材、ａ……内
面部分、Ａ……熱伝導抑制構造。 1 and 2 show an embodiment of the present invention, with FIG. 1 being a longitudinal sectional view of an instantaneous water heater, and FIG. 2 being an enlarged sectional view of the main parts. FIGS. 3 to 8 are enlarged cross-sectional views showing other embodiments of the present invention. FIG. 9 is a longitudinal sectional view of a conventional instantaneous water heater. 2...Wall body, 2b...Outer surface, 3...Combustion gas path, 5...Water pipe, 8...Heat conduction suppressing member, a...Inner surface portion, A...Heat conduction suppressing structure.

Claims (1)

【実用新案登録請求の範囲】 １ 燃焼ガス路３を形成する壁体２の外面側に、
冷却用の水管５を付設した燃焼装置であつて、 前記水管５の付設箇所に対応位置する壁体内面
部分ａでの燃焼ガス中水分の凝縮を防止するよう
に、前記水管５の付設箇所に対応位置する前記壁
体内面部分ａと前記水管５との間の熱伝導を抑制
する熱伝導抑制構造Ａを具備してある燃焼装置。 ２ 前記熱伝導抑制構造Ａが、前記水管５と前記
壁体２の外面２ｂとの間に熱伝導抑制部材８が介
装されて構成されている請求項１記載の燃焼装置
。[Claims for Utility Model Registration] 1. On the outer surface side of the wall 2 forming the combustion gas path 3,
The combustion device is equipped with a water pipe 5 for cooling, and the water pipe 5 is provided with a water pipe 5 at the location where the water pipe 5 is attached so as to prevent condensation of moisture in the combustion gas on the inner surface portion a of the wall body located corresponding to the location where the water pipe 5 is attached. A combustion device comprising a heat conduction suppressing structure A that suppresses heat conduction between the correspondingly located inner wall portion a and the water pipe 5. 2. The combustion apparatus according to claim 1, wherein the heat conduction suppressing structure A is configured such that a heat conduction suppressing member 8 is interposed between the water pipe 5 and the outer surface 2b of the wall body 2.