JPS58107483U

JPS58107483U - Heat exchanger

Info

Publication number: JPS58107483U
Application number: JP61382U
Authority: JP
Inventors: 達夫田中
Original assignee: 株式会社東芝
Priority date: 1982-01-08
Filing date: 1982-01-08
Publication date: 1983-07-21

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来の熱交換器の一例を示す一部破断正面図、
第２図は第１図の熱交換器の側断面図、第３図は従来の
熱交換器の他の例を示す一部破断正面図、第４図は従来
の熱交換器の他の例を示す一部破断正面図、第５図は本
考案に係る熱交換器の一実施例を示す一部破断正面図、
第６図は本考案に係る熱交換器における熱伝達係数比と
流速との関係を示すグラフである。図中、１はパイプ、２は溝、４はインナ・スペーサ、４
ａはフィンである。Figure 1 is a partially cutaway front view showing an example of a conventional heat exchanger;
Figure 2 is a side sectional view of the heat exchanger shown in Figure 1, Figure 3 is a partially cutaway front view showing another example of a conventional heat exchanger, and Figure 4 is another example of a conventional heat exchanger. FIG. 5 is a partially cutaway front view showing an embodiment of the heat exchanger according to the present invention.
FIG. 6 is a graph showing the relationship between the heat transfer coefficient ratio and the flow velocity in the heat exchanger according to the present invention. In the figure, 1 is a pipe, 2 is a groove, 4 is an inner spacer, 4
a is a fin.

Claims

[Scope of utility model registration request]

1. A heat exchanger comprising: a pipe having a spiral groove formed on its inner peripheral surface; and an inner spacer provided within the pipe with a spiral fin having a spiral direction opposite to the spiral direction of the groove.