Scroll Compressor; Reliable Mechanism For Low Vibration And Low Sound; Principle Of Compression; Structure - Hitachi Utopia RPI-2.5HRG Service Manual

MAIN PARTS
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
o o
60 C to 110 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
(3) The compression space is minimum at the center of the scroll, and
(4) The above procedures (Suction

3.4.3 Structure

3-8
the center of the scroll.
the gas compressed at the maximum is discharged from the outlet port
of at the center of the scroll.
repeated continuously.
Gas
Rotating Scroll
Compression
Space
Fixed Scroll
Compression Discharge) is
Suction Process
Discharge Process
Compression Process
Suction Pipe
Suction
Fixed Scroll
Discharge Pipe
A
Frame
Motor