Compression principle of air compressor

(1) Inhalation process:

Motor driven/internal combustion engine rotor, when the tooth groove space of the master and slave rotors turns to the opening of the intake end wall, it is large and filled with external air. When the intake side end face of the rotor turns away from the intake port of the housing, the air between the tooth grooves is enclosed between the master and slave rotors and the housing, completing the suction process.

(2) Compression process:

At the end of inhalation, the enclosed volume formed by the main and auxiliary rotor tooth peaks and the casing decreases with the change of rotor angle and moves in a spiral shape, which is referred to as“ The compression process;.

(3) Compressed gas and fuel injection process:

During the transportation process, the volume continuously decreases, the gas is continuously compressed, the pressure increases, and the temperature rises. At the same time, lubricating oil that becomes mist due to the pressure difference is sprayed into the compression chamber, thereby achieving the functions of compression, temperature reduction, sealing, and lubrication.

(4) Exhaust process:

When the closed tooth peak of the rotor rotates to meet the exhaust port of the casing, the compressed air begins to be discharged until the mating surface between the tooth peak and the tooth groove moves to the exhaust end face, at which point the tooth groove space is zero, completing the exhaust process. At the same time, the other pair of tooth grooves of the master and slave rotors have rotated to the intake end, forming a space and starting the suction process, thus initiating a new compression cycle.