Compression principle: compression is achieved by the simultaneous engagement of the male and female rotors in a cylinder. The main rotor has four 90 ° spiral teeth, and the female rotor has six 60 ° spiral grooves which mesh with the male rotor teeth. The air inlet is located on the top of the compressor cylinder near the drive shaft side. The exhaust port is on the opposite side of the bottom of the cylinder. When the rotor is not engaged at the suction port, the air flows into the cavity of male rotor teeth and female rotor groove, and the compression cycle begins.<br>
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