Patent ID: 6241157
Filing Date: 2001-06-05
Classification: F25B

Abstract:
An expansion valve for controlling the flow rate of a refrigerant supplied to an evaporator, comprising: a prismatic valve body containing a valve means for adjusting the flow rate of refrigerant to be transmitted through refrigerant passages to said evaporator and a power element portion for driving said valve means according to the temperature of the refrigerant transmitted from said evaporator to a compressor, and means for attaching said valve body in operative relation with respect to said evaporator including a prismatic projection having a thickness less than the thickness of said valve body and extending laterally therefrom, said prismatic projection containing means for effecting the attachment of said valve body to said evaporator and being integrally formed with said valve body by an extrusion molding performed in the direction crossing each of said refrigerant passages at right angles.