|
|
3. Capacity control ● Refrigerant pressure on suction side is low during high speed driving or when ambient or interior tem- ● The bellows expands when refrigerant pressure on the suction pressure side drops below approximately 2 , 26 psi). Since suction pressure is low, it makes the suction port close and the discharge port open. Thus, crank- ● The force acts around the journal pin near the swash plate, and is generated by the pressure difference RHA474C Discharge port Suction port Crankcase Low-pressure valve: Open Valve position for lowering Spring pressure Cylinder pres- Crankcase pres- Forces needed to increase stroke DESCRIPTION CSV613 Variable Displacement Compressor (Cont’d) HA-17 |