SCREW COMPRESSOR

There is provided a screw compressor which needs neither a bed nor a coupling, therefore not involving alignment, and yet in which gas is not heated by the motor. The screw compressor has a compression section 21 and a motor section 22 inside a casing 20. Both a rotor 27 of a motor 23 and a screw 26...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OTSUKA, KANAME, YONEDA, HIROYUKI
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING HEATING LIGHTING MECHANICAL ENGINEERING POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC FLUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTMACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENTPUMPS WEAPONS
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Beschreibung
Zusammenfassung:	There is provided a screw compressor which needs neither a bed nor a coupling, therefore not involving alignment, and yet in which gas is not heated by the motor. The screw compressor has a compression section 21 and a motor section 22 inside a casing 20. Both a rotor 27 of a motor 23 and a screw 26 of the compression section 21 are fixed to one main shaft 25. The main shaft 25 is supported at three points by a total of three bearings of both-end rolling bearings 31, 32 and a central rolling bearing 33. A refrigerant passage 45 passes only through the compression section 21 and not through the motor section 22.