Coolant compressor system

compressor installation refrigerant comprising a drive motor (24), a driven by the drive motor (24) with several cylinders (112, 114, 122, 124) compressor arranged in a V, the cylinders (112, 114 being disposed, 122, 124) in a V angle less than 90 °, and with a shaft of the compressor (30) carrying cams (60) which is accommodated with only two sections of housing (46, 52) thereof in corresponding support tree compressor (44, 50), the eccentric (60) being arranged between the sections of housing (46, 52) for actuating the plungers (116, 118, 126, 128) working in the respective cylinders, characterized in that for each plunger (116, 118, 126, 128) is provided a single cam (60) which is arranged at a distance from the other eccentric (60) individual to the other pistons (118, 126, 128, 116), respectively.