Screw compressor with switched reluctance motor
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United States of America Patent
Stats
-
N/A
Issued Date -
Jul 29, 2004
app pub date -
Dec 11, 2003
filing date -
Jun 11, 2001
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
The invention relates to improvements in compressors and in particular to arrangements for driving screw compressors by reluctance drive motors. A screw compressor assembly is provided for compressed gas comprising a screw compressor having a casing (16) and at least one pair of intermeshing helically formed screw rotors (11,12) each of which is mounted on a rotor shaft rotatably mounted within the casing by means of bearings (15). Said assembly further comprises a switched reluctance motor comprising a stator (18) attached to the casing and a rotor (19) mounted on one of the motor shafts such that one of the screw rotors is driven directly by the motor. The motor rotor is displaced relative to the stator by a pre-determined axial distance
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