SCREW COMPRESSOR STATION Russian patent published in 2009 - IPC F04C29/04 

FIELD: engines and pumps.

SUBSTANCE: proposed station serves to feed compressed air to various air operated systems. It comprises frame, hood, motor assembly with screw unit and oil separator, oil-air system, compressor control unit, compressor warm-up system and cooling unit. Motor assembly with screw unit and oil separator seats on the frame rubber damping pads. Compressor warm-up system consists of thermoelectric heats units and electrically driven fans. Fairing is fitted on hood, on compressor motor side, to create dead space on cutting in heating and to direct entire air volume to motor housing during cooling unit operation. Cooling air is drawn through inlet hole arranged in the hood opposite face into hood bottom space. Compressor control unit serves to automatically lock compressor and warm-up system starting in response to temperature pickup signal at negative temperature, as well as to cut off warming up and start the compressor when it reaches specified starting temperatures.

EFFECT: expanded operating range, higher reliability.

2 dwg