JPH0470968U

JPH0470968U -

Info

Publication number: JPH0470968U
Application number: JP11375490U
Authority: JP
Priority date: 1990-10-30
Filing date: 1990-10-30
Publication date: 1992-06-23

Description

[Brief explanation of drawings]

第１図は本考案の一実施例を示す概念図、第２
〜３図は従来の膨張弁を示す概念図である。１……膨張弁、２……コンデンサ、３……エバ
ポレータ、６……ケーシング、７……第１流路、
８……第２流路、９……隘路、１０……弁座、１
１……スプリング、１２……弁体、１３……ベロ
ーズ、１４……作動ロツド。 Figure 1 is a conceptual diagram showing one embodiment of the present invention;
Figures 1 to 3 are conceptual diagrams showing conventional expansion valves. DESCRIPTION OF SYMBOLS 1... Expansion valve, 2... Capacitor, 3... Evaporator, 6... Casing, 7... First flow path,
8... Second flow path, 9... Bottle, 10... Valve seat, 1
1... Spring, 12... Valve body, 13... Bellows, 14... Operating rod.

Claims

[Claims for Utility Model Registration] It is provided in the cooling cycle, and adiabatically expands the high-temperature, high-pressure refrigerant from the condenser 2 to turn it into a low-temperature, low-pressure refrigerant, and also converts the evaporator 3 into a low-temperature, low-pressure refrigerant by the refrigerant temperature and refrigerant pressure at the outlet of the evaporator 3. In the expansion valve that controls the amount of refrigerant supplied to the
A flow path 7 and a second flow path 8 whose one end is connected to the outlet of the evaporator 3 and the other end is connected to the inlet of the compressor 4 are formed in the casing 6. A valve body 1 is formed on the valve seat 10 formed on the outlet side of the bottleneck 9 and is biased in the closing direction by a spring 11.
Further, a bellows 13 is provided in the second flow path 8, which is filled with a gas that expands and contracts depending on the temperature of the refrigerant passing through the second flow path 8, and has one end attached to the casing 6. An expansion valve characterized in that the operating end of the bellows 13 and the valve body 12 are connected by an operating rod 14.