JPH01172668U

JPH01172668U -

Info

Publication number: JPH01172668U
Application number: JP6890188U
Authority: JP
Priority date: 1988-05-25
Filing date: 1988-05-25
Publication date: 1989-12-07

Description

[Brief explanation of drawings]

図面は本考案に係る湯沸器の熱交換部の実施例
を示し、第１図は要部斜視図、第２図は要部側面
図、第３図は全体概略図、第４図は別実施例を示
す要部斜視図、第５図は従来例を示す要部斜視図
である。３……熱交換器、７……筒胴、３１……伝熱フ
イン、３２……遊端部、３３……係止部。 The drawings show an embodiment of the heat exchange part of a water heater according to the present invention, in which Fig. 1 is a perspective view of the main part, Fig. 2 is a side view of the main part, Fig. 3 is a general schematic diagram, and Fig. 4 is a separate diagram. FIG. 5 is a perspective view of the main parts showing the embodiment, and FIG. 5 is a perspective view of the main parts showing the conventional example. 3... Heat exchanger, 7... Cylinder body, 31... Heat transfer fin, 32... Free end portion, 33... Locking portion.

Claims

[Scope of utility model registration request]

A heat exchanger 3 having a large number of heat transfer fins 31 is arranged in a cylinder body 7 that forms a flow path for combustion gas, and the free end portion 32 of each of the heat transfer fins 31 is brought into surface contact with the cylinder body 7. A locking part 3 which is a heat exchange part of a water heater and which brings the free end part 32 into close contact with the cylinder body 7.
3 is a heat exchange part of a water heater provided in the cylinder body 7;