JPS6352048U

JPS6352048U -

Info

Publication number: JPS6352048U
Application number: JP14564986U
Authority: JP
Priority date: 1986-09-22
Filing date: 1986-09-22
Publication date: 1988-04-08
Also published as: JPH025305Y2

Description

[Brief explanation of the drawing]

第１図は、この考案における温水缶の縦断面図
であり、第２図は、第１図のＡ―Ａ線上の断面図
である。第３図から第６図は、この考案における
伝熱フイン構成体を同心に配置した状態を示す斜
視図であり、第７図，第８図は、この考案におけ
る伝熱フイン構成体の別の実施例を示す斜視図で
ある。１……温水室、２……内壁、３……燃焼室、４
……伝熱フイン構成体、５……フイン部分（突出
部分）、６……スリツト、７……小部分、８，８
’……両側辺部。 FIG. 1 is a longitudinal sectional view of the hot water can in this invention, and FIG. 2 is a sectional view taken along the line AA in FIG. 1. 3 to 6 are perspective views showing the concentric arrangement of the heat transfer fin structures of this invention, and FIGS. 7 and 8 are other views of the heat transfer fin structures of this invention. It is a perspective view showing an example. 1...Hot water chamber, 2...Inner wall, 3...Combustion chamber, 4
... Heat transfer fin structure, 5 ... Fin part (protruding part), 6 ... Slit, 7 ... Small part, 8,8
'...Both sides.

Claims

[Claims for Utility Model Registration] (1) A heat transfer fin structure 4 is provided in the substantially cylindrical combustion chamber 3 separated by the inner wall 2 of the hot water chamber 1 so as to be in heat transfer contact with the inner wall. are arranged concentrically, and a large number of slits 6 are provided in each fin portion (protruding portion) 5 of this heat transfer fin structure in order to alleviate thermal stress and improve heat conductivity. Heat transfer fin structure for hot water cans. (2) The heat transfer fin structure for a hot water can according to claim 1, wherein the heat transfer fin structure is a structure having a fin portion having a substantially box-shaped cross section with conduction holes inside. Heat fin construct. (3) The heat transfer fin structure for hot water cans according to claim 1, wherein the heat transfer fin structure is a structure having a fin portion having a substantially cylindrical cross section and having conduction holes inside. Heat fin construct. (4) The heat transfer fin structure for a hot water can according to claim 1, wherein the heat transfer fin structure is a structure having a fin portion having a substantially chevron-shaped cross section. (5) The heat transfer fin structure for a hot water can according to claim 1, wherein the heat transfer fin structure is a structure having a fin portion having a substantially U-shaped cross section. . (6) The fin portion having a substantially U-shaped cross section is composed of a large number of small portions 7, and adjacent ones of the small portions have alternately different opening angles along the axial direction. A heat transfer fin structure for a hot water can according to claim 5 of the utility model registration claim. (7) Claims for registration of a utility model characterized in that both side portions 8, 8' of the upper end of the fin portion having a substantially U-shaped cross section are inclined so as to widen downward. The heat transfer fin structure for hot water cans according to item 5.