Expansion valve for motor vehicle air conditioning system has valve rod with 2 sub-rods connected by element of expansion material, heated by electrically controlled heater

摘要

The expansion valve has a valve rod containing first and second sub-rods (7,8), both connected together via an element (11) of expansion material, whose expansion in the longitudinal direction of the valve rod is temp.-dependent. The expansion material element is heated by an electrically controlled heater (12-14).