COMPRESSOR WITH PRESSURE LIMITING

摘要

A compressor unit in a portable compressed air source, comprising a reciprocating piston compressor which is driven by a slider crank mechanism and has a piston which is moved in reciprocation in a cylinder, said piston delimiting a compression chamber which has a first dead air volume. The cylinder exit is closed off by a cylinder head with an exhaust valve, and the compression chamber can be connected by a valve to at least one other dead air volume.