FIELD: engines and pumps.
SUBSTANCE: claimed assembly runs in synchronism with the air rotary compressor. Rotor assemblies comprise inner and outer rotors. The outer periphery of every inner rotor has a concaved arched surface. A discharge channel and a gas guide channel of the said air compressor are made in the hollow rod in the air compressor inner rotor. Each of the said concaved arched surfaces of the air compressor inner rotor has a bore communicating with the inlet channel and gas guide channel at the revolution of the said air compressor inner rotor about the said hollow rod. The said gas guide channel and rotor assembly discharge channel are made in the said hollow rod of the rotor assembly inner rotor. Each of the said concaved arched surfaces of the air compressor inner rotor has a bore communicating with the gas guide channel and the discharge channel at the revolution of the said air compressor inner rotor about the said hollow rod.
EFFECT: higher efficiency.
40 cl, 21 dwg
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