JPS6399172U - - Google Patents

Description

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

図面はこの考案の２つの実施例を示すもので、
第１図はこの考案の第１実施例の蒸発器の斜視図
、第２図は同蒸発器の冷媒ガス送り管接続部分の
要部拡大断面図、第３図は第２図―線に沿う
拡大断面図、第４図は偏平管の冷媒ガスの蒸発状
態を説明するための概略平面図で、第４図イは従
来の蒸発器の場合、同図ロは本考案品の場合を示
している。第５図はこの考案の第２実施例を示す
斜視図、第６図は同要部拡大断面図で、これは第
３図に対応するものである。 １……蛇行状偏平管、２……冷媒通路、３……
冷媒導入ヘツダ、４……冷媒排出ヘツダ、５……
開口部、６……冷媒ガス送り用バイパス管、８…
…冷媒ガス集合カバー。 The drawings show two embodiments of this invention.
Fig. 1 is a perspective view of the evaporator of the first embodiment of this invention, Fig. 2 is an enlarged sectional view of the main part of the refrigerant gas feed pipe connection part of the evaporator, and Fig. 3 is taken along the line of Fig. 2. The enlarged sectional view and FIG. 4 are schematic plan views for explaining the evaporation state of refrigerant gas in the flat tube. FIG. 4A shows the conventional evaporator, and FIG. There is. FIG. 5 is a perspective view showing a second embodiment of the invention, and FIG. 6 is an enlarged sectional view of the same essential parts, which corresponds to FIG. 3. 1...Meandering flat tube, 2...Refrigerant passage, 3...
Refrigerant introduction header, 4... Refrigerant discharge header, 5...
Opening portion, 6... Bypass pipe for feeding refrigerant gas, 8...
...Refrigerant gas collection cover.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 複数の冷媒通路２を有しかつ屈曲部１ａが上下
両側に配された蛇行状偏平管１と、偏平管１の左
右両端部に取り付けられた冷媒導入ヘツダ３およ
び同排出ヘツダ４とを備えており、強制送風によ
り冷媒通路２に対して直交状に風Ａが送られるよ
うになされた蒸発器において、冷媒の気液混合域
ないしガス域に相当する偏平管１の上部屈曲部１
ａの風入側部分に、開口部５が設けられるととも
に、この開口部５に通じる冷媒ガス送り用バイパ
ス管６が接続され、バイパス管６の先端が冷媒排
出ヘツダ４に接続されている蒸発器。 A meandering flat tube 1 having a plurality of refrigerant passages 2 and having bent portions 1a arranged on both upper and lower sides, and a refrigerant introduction header 3 and a refrigerant discharge header 4 attached to both left and right ends of the flat tube 1. In an evaporator in which wind A is sent perpendicularly to the refrigerant passage 2 by forced air blowing, the upper bent portion 1 of the flat tube 1 corresponds to the gas-liquid mixing region or gas region of the refrigerant.
An evaporator in which an opening 5 is provided on the air intake side of a, a refrigerant gas feeding bypass pipe 6 leading to the opening 5 is connected, and the tip of the bypass pipe 6 is connected to the refrigerant discharge header 4. .