Two-step air compressor and a vehicle with a combustion engine and two-step air compressor

摘要

The invention relates to a two-stage air compressor, comprising a first compression stage with a low pressure cylinder; a second compression stage with a high pressure cylinder; a connecting element for producing a channel connection from the first pressure side of the low pressure cylinder to the second suction side of the high pressure cylinder, wherein the connecting element is assigned an intercooler; characterized in that the quotient of the mean stage pressure ratios of the first compression stage and the second compression stage has a value in the range from 1.3 to 1.7, preferably from 1.4 to 1.6 and particularly preferably of approximately 1.5.