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4. A/C Compressor General

A/C compressor is continuously variable capacity type in which its capacity varies in accordance with the cooling load of the air conditioning.

• This compressor consists of the shaft, lug plate, piston, shoe, crank chamber, cylinder, and solenoid control valve.

• A solenoid control valve that adjusts the suction pressure so that the suction pressure can be controlled as desired is provided.

• The plastic DL (Damper Limiter) type A/C pulley is used.

Shoe

Crank Chamber

Shaft

Crank Chamber

Shaft

Solenoid Control Valve

Lug Plate

Cylinder

Solenoid Control Valve

Lug Plate

Cylinder

Operation

• The crank chamber is connected to the suction passage. A solenoid control valve is provided between the suction passage (low pressure) and the discharge passage (high pressure).

• The solenoid control valve operates under duty cycle control in accordance with the signals from the A/C ECU.

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