JPS59132059U

JPS59132059U - expansion valve

Info

Publication number: JPS59132059U
Application number: JP2375383U
Authority: JP
Inventors: 浩康灘本
Original assignee: カルソニックカンセイ株式会社
Priority date: 1983-02-22
Filing date: 1983-02-22
Publication date: 1984-09-04

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

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

第１図は一般的な自動車用空気調和装置の冷房サイクル
系を示す回路図、第２図は従来の膨張弁の一例を示す断
面図、第３図は本考案のｍ＝実施例を示す膨張弁の断面
図である。３・・・コンプレッサ、７・・・エバポレータ、８・・
・冷′媒入口、９・・・冷媒出口、１０・・・ケーシン
グ、１２・・・スロート部、１３・・・ボール弁、１４
・・・弁作動棒、１５・・・ダイヤフラム。Fig. 1 is a circuit diagram showing the cooling cycle system of a general automobile air conditioner, Fig. 2 is a sectional view showing an example of a conventional expansion valve, and Fig. 3 is an expansion diagram showing an embodiment of the present invention where m = FIG. 3 is a cross-sectional view of the valve. 3... Compressor, 7... Evaporator, 8...
- Refrigerant inlet, 9... Refrigerant outlet, 10... Casing, 12... Throat part, 13... Ball valve, 14
...Valve operating rod, 15...Diaphragm.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

（１）凝縮器側と連通ずる冷媒入口とエバポレータ側と
連通ずる冷媒出口とを介設したケーシング内にこの冷媒
入口と冷媒出口とを連通ずる連通路を形成し、該連通路
の流路途上に形成したベンチュリ部に設けた弁体を、前
記エバポレータの熱負荷変動に応じて膜動変位するダイ
ヤフラムにより弁作動棒を介して開度調節するようにし
た膨張弁において、流過する冷媒の流れ方向の前記ベン
チュリ゛部下流域に所定メツシュの金網を設けてなる膨
張弁。(1) A communication passage communicating between the refrigerant inlet and the refrigerant outlet is formed in a casing in which a refrigerant inlet communicating with the condenser side and a refrigerant outlet communicating with the evaporator side are interposed, and a communication passage is formed in the middle of the communication passage. In the expansion valve, the opening of the valve body provided in the venturi part formed in the evaporator is adjusted via the valve actuating rod by a diaphragm that undergoes membrane movement displacement in response to changes in the heat load of the evaporator. An expansion valve comprising a wire gauze of a predetermined mesh provided in the downstream region of the venturi in the direction.

（２）前記金網は頂部に気泡溜り部を形成するように設
置してなる実用新案登録請求の範囲第１項に記載の膨張
弁。(2) The expansion valve according to claim 1, which is a registered utility model, wherein the wire mesh is installed so as to form a bubble reservoir at the top.