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Title:
HERMETIC SCREW COMPRESSOR
Document Type and Number:
Japanese Patent JP2008121479
Kind Code:
A
Abstract:

To obtain a hermetic screw compressor capable of entirely preventing flowing out of high temperature oil supplied to a low pressure side bearing to low pressure side (motor side), and is easy in maintenance.

The hermetic screw compressor is equipped with a male rotor 16, a female rotor 17 engaging with the male rotor, a motor 4 connected with a low pressure side shaft part 27 of the male rotor, low pressure side bearings 9, 10, supporting the low pressure side shaft part of each of the rotors, respectively, high pressure side bearings supporting high pressure side shaft part of each of the rotors, respectively, and casings 1, 2, 3 to accommodate them. A contact type sealing arrangement 24 sealing the shaft part between the low pressure side bearing of the low pressure side bearing part of the male rotor and the motor is arranged, the contact type sealing arrangement is built in within a cover 25 detachable in the axial direction with respect to the casing, and is attached to the casing through the cover.


Inventors:
KATO EISUKE
URASHIN MASAYUKI
Application Number:
JP2006304708A
Publication Date:
May 29, 2008
Filing Date:
November 10, 2006
Export Citation:
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Assignee:
HITACHI APPLIANCES INC
International Classes:
F04C27/00; F04C18/16
Domestic Patent References:
JP2000145675A2000-05-26
JP2005090371A2005-04-07
JP2002349462A2002-12-04
JP2002098080A2002-04-05
JP2006118450A2006-05-11
Attorney, Agent or Firm:
Manabu Inoue