Patent ID: 6247901
Filing Date: 2001-06-19
Classification: F04B

Abstract:
Compressor for generating compressed air in motor vehicles, comprising an oil lubricated drive having a drive shaft and a swash plate mounted on the drive shaft and lubricated by oil, said drive being connected by piston rods with pistons traveling in cylinder bores, said pistons having respective fronts facing a cylinder head and respective backs facing oppositely of the fronts,wherein the oil-lubricated drive of the compressor is sealed off from oil-free chambers located on the backs of respective ones of the pistons by sealing elements acting relative to each of the piston rods,wherein the oil free chambers are connected with one another by an annular chamber and are linked to a common intake connection, andwherein each piston has an intake valve such that pressure chambers of the compressor are formed between the front of the respective piston and the cylinder head.