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Hitachi Utopia RPI-2.5HRG - Scroll Compressor Operation and Structure

Hitachi Utopia RPI-2.5HRG
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3-8
MAIN PARTS
3.4.3 Structure
3.4 Scroll Compressor
3.4.1 Reliable Mechanism for Low Vibration and Low Sound
(1) The rotating direction is definite.
(2) The pressure inside of the chamber is high pressure, and the surface temperature of the chamber is
60
o
C to 110
o
C.
3.4.2 Principle of Compression
(1) The gas is inhaled from the inlet port at the outer frame of the fixed scroll.
(2) The gas inside of the compression space is compressed toward
the center of the scroll.
(3) The compression space is minimum at the center of the scroll, and
the gas compressed at the maximum is discharged from the outlet port
of at the center of the scroll.
(4) The above procedures (Suction Compression Discharge) is
repeated continuously.
Fixed Scroll
Rotating Scroll
Compression
Space
Suction Process
Discharge Process
Compression Process
Gas
A
(15.8)
Fixed Scroll
Discharge
Discharge Pipe
Suction Pipe
Frame
Motor
Suction

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