Carrier 52PQ Troubleshooting Guide download pdf (Page 13)

COMPRESSOR

A cutaway view of the rotary compressor with key

components labeled is shown in Figure 27. The motor

stator is rigidly attached to the compressor shell. The

rotor is pressed onto the eccentric shaft, which is sup-

ported by 2 bearings. Both the discharge valve and dis-

charge muffler are attached to the motor bearing. The

pump bearing provides a thrust surface for the shaft

and the rolling piston. Compressed gas is separated

from the suction gas by the vane. Discharge gas pres-

sure and the vane spring keep the vane in contact with

the rolling piston.

DISCHARGE MUFFLER

DISCHARGE VALVE

CYLINDER

PISTON

SUCTION MUFFLER/

ACCUMULATOR

SUCTION INLET

DISCHARGE TUBE

VANE

OIL TUBE

SHELL

STATOR

ECCENTRIC SHAFT

ROTOR

MOTOR BEARING

PUMP BEARING

MOUNTING PLATE

FIGURE 27 — ROTARY COMPRESSOR COMPONENTS

1 2 ... 8 9 10 11 12 13 14 15 16 17 18 ... 51 52

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Carrier 52PQ Troubleshooting Guide Page 13