| 摘要 |
The invention provides an expansion valve maintaining the functions of the prior art expansion valve and at the same time realizing a simple arrangement with less components and less required number of assembly steps, and enabling to cut down assembly costs. A first passage 11 through which refrigerant flowing toward an evaporator 2 travels and a second passage 12 through which refrigerant flowing from the evaporator 2 toward a compressor 3 travels are formed within a valve body 10 . In response to the temperature of the refrigerant traveling in the second passage 12 , a valve actuating member 40 ' actuates a valve means 20 disposed in the valve body 10 to control the flow of the refrigerant entering the evaporator 2 . A seal member 50 sealing the area between the first and second passages 11 and 12 is disposed between the valve body 10 and the valve actuating member 40 '. A stopper portion 44 of the seal member 50 is integrally formed in advance to the valve actuating member 40'.
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