COMPRESSOR

A screw-type compressor (10) for compressing refrigerant, which comprises: an electric motor (14), which has a rotor (16) and a stator (18); a drive shaft (20); and a compressing device (22) having a compressor screw (24); wherein the compressor screw (24) and the rotor (16) of the electric motor (1...

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Bibliographic Details
Main Authors ZAYTSEV Dmytro, SANDKÖTTER Wolfgang, KWIATKOWSKI Bernd
Format Patent
LanguageEnglish
Published 10.11.2016
Subjects
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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Summary:A screw-type compressor (10) for compressing refrigerant, which comprises: an electric motor (14), which has a rotor (16) and a stator (18); a drive shaft (20); and a compressing device (22) having a compressor screw (24); wherein the compressor screw (24) and the rotor (16) of the electric motor (14) are arranged against or on the drive shaft (20), wherein the drive shaft (20) is rotatably supported by a first, a second, and a third radial bearing (27, 28, 30), wherein the first radial bearing (27) is arranged between the rotor (16) of the electric motor (14) and the compressor screw (24), wherein the second radial bearing (28) is arranged on a side of the compressor screw (24) opposite the first radial bearing (27), and wherein the third radial bearing (30) is arranged on a side of the rotor (16) of the electric motor (14) opposite the first radial bearing (27), wherein the first radial bearing and the second radial bearing are both designed as rolling-element bearings, and the third radial bearing (30) is designed as a plain bearing.
Bibliography:Application Number: US201415102678