Patent ID: 6626645
Filing Date: 2003-09-30
Classification: F04B

Abstract:
A control valve for variable capacity compressors, comprising:a solenoid excitation part having a solenoid and a plunger moving vertically by the excitation of said solenoid; and a control valve body disposed on the upper side of said solenoid excitation part and having a valve chamber provided with a valve hole on the bottom surface thereof, a pressure chamber disposed above said valve chamber, and a valve element disposed within said valve chamber and performing opening and closing operations by said plunger; wherein, the upper end of the valve element of said control valve body is inserted in said pressure chamber, while the lower end of said valve element is inserted in a plunger chamber of said solenoid excitation part, said plunger chamber and said pressure chamber communicate with each other through a cancel hole formed in said valve element.