Title:
SCREW COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/061169
Kind Code:
A1
Abstract:
A liquid supply type screw compressor 100 according to the present invention is provided with: a compressor body 10 that has screw rotors 13A, 13B; a motor 20 that drives the screw rotors; and an oil separator 30 that has annular rotating flow paths 43a, 43b for centrifuging oil contained in compressed gas discharged from the compressor body, and is characterized in that the compressor body is disposed above the oil separator such that the center axis of the screw rotor is in the vertical direction, the motor is disposed above the compressor body, and discharge side bearings 16A, 16B of the screw rotor are disposed on the inner circumferential sides of the rotating flow paths. Accordingly, the installation space of the oil supply type screw compressor 100 can be reduced and downsized configuration of the oil supply type screw compressor 100 can be realized in consideration of even the height direction.
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Inventors:
NISHIMURA HITOSHI (JP)
HARASHIMA TOSHIKAZU (JP)
SADAKATA KOSUKE (JP)
HARASHIMA TOSHIKAZU (JP)
SADAKATA KOSUKE (JP)
Application Number:
PCT/JP2016/078986
Publication Date:
April 05, 2018
Filing Date:
September 30, 2016
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
F04C18/16; F04C29/02
Foreign References:
| JPS51117212U | 1976-09-22 | |||
| JP2013053568A | 2013-03-21 | |||
| JP2008240579A | 2008-10-09 | |||
| JPS57127883U | 1982-08-09 | |||
| JPS59215986A | 1984-12-05 |
Attorney, Agent or Firm:
KAICHI IP (JP)
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