Trane TRG-TRC004-EN Air Compressor User Manual


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12 TRG-TRC004-EN
notes
period one
Compressor Types
Viewing the compressor from the opposite side shows that continued rotation
of the meshed rotor lobes drives the trapped refrigerant vapor (to the right),
toward the discharge end of the compressor, ahead of the meshing point. This
action progressively reduces the volume of the pockets, compressing the
refrigerant.
Finally, when the pockets of refrigerant reach the discharge port, the
compressed vapor is released and the rotors force the remaining refrigerant
from the pockets.
In this example helical-rotary compressor, refrigerant vapor is drawn into the
compressor through the suction opening and passes through the motor,
cooling it. The refrigerant vapor is drawn into the compressor rotors where it is
compressed and discharged out of the compressor.
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