![]() ![]() Scroll compressor working – third revolution Advantages of scroll Compressor: In the complete cycle, the three phases intake, compression, and discharge occurs simultaneously in an on-going sequence.At the completion of the third revolution, the volume of the gas pockets is reduced to zero, squeezing the remaining gas from the scrolls.(i) First shaft revolution (Suction phase):ĭuring the third revolution of shaft the compressed gas is discharged through the discharge port. The orbiting motion causes the mated scrolls to form gas pockets and as the orbiting continues, the relative movement between the orbiting scroll and the fixed scroll causes the scroll to move towards the discharge port at the center of the assembly with constantly decreasing and increasing the pressure of the gas.Scroll Compressor Animation : Scroll Mechanism Animation Working of Scroll Compressor : The center of the scroll journal bearing and the center of the motor shaft of the drive assembly are offset and this offset imparts an eccentric or orbiting motion to the driven scroll.The intake of the suction gas occurs at the outer edge of the scroll assembly and discharge occurs through the port at the center of the stationary scroll.The scroll tips are fitted with seals that ride on the surface of the opposing scroll and act like piston rings, providing a gas seal at the mating surface.Relative motion between the pair is prevented by interconnecting couplings which maintains a relative angle between the pair of scrolls. ![]()
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