| 摘要 |
An expansion valve comprising a valve body (301), a valve means for adjusting the flow rate of a refrigerant flowing through a first passage formed inside said valve body (301) from a condensor toward an evaporator, and a power element portion for driving said valve means according to the temperature of the refrigerant flowing through a second passage formed inside said valve body from said evaporator toward a compressor, wherein said expansion valve comprises protruding portions (301 c) formed integrally to the side surface of said valve body simultaneously during formation of said valve body by a hollow extrusion process, said protruding portions (301c) corresponding to penetrating mounting holes (50) formed to said valve body for mounting said expansion valve. <IMAGE> |
