Screw compressor

The invention provides a screw compressor (100) comprising a shell (10), a motor (20) accommodated in the shell, a driving screw rotor (30), a driven screw rotor (40) and an oil-gas separator (50), wherein the driving screw rotor (30) and the driven screw rotor (40) are accommodated in a first accom...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	WEI YAOQI
Format:	Patent
Sprache:	chi ; eng
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:	The invention provides a screw compressor (100) comprising a shell (10), a motor (20) accommodated in the shell, a driving screw rotor (30), a driven screw rotor (40) and an oil-gas separator (50), wherein the driving screw rotor (30) and the driven screw rotor (40) are accommodated in a first accommodating cavity (101) and a second accommodating cavity (102) of the shell (10); the outer side of the driven screw rotor (40) is also provided with a negative oil jacket (410); and the outer side of a second main shaft (302) is also provided with a positive oil leakage jacket (311). Through the structure, the fluencies of the driving screw rotor and the driven screw rotor in the pivoting process can be improved, the refrigeration effect of the screw compressor is improved, and the service life of the screw compressor is prolonged.