HERMETIC SCREW COMPRESSOR
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United States of America Patent
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N/A
Issued Date -
May 15, 2008
app pub date -
Aug 9, 2007
filing date -
Nov 10, 2006
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A hermetic screw compressor comprises a male rotor, a female rotor engaging the male rotor, an electric motor connected to a low pressure side shaft portion of the male rotor, a low pressure side bearing for supporting the low pressure side shaft portion of each of the rotors, a high pressure side bearing for supporting a high pressure side shaft portion of each of the rotors, and a casing containing the rotors, the electric motors and the bearings. A contact type seal is arranged to seal a part of the low pressure side shaft portion of the male rotor between the low pressure side bearing and the electric motor, and a cover contains the seal and is axially detachably attached to the casing so that the contact type seal is attached to the casing through the cover.
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