Title:
OIL-FREE SCREW COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2018/047587
Kind Code:
A1
Abstract:
An oil-free screw compressor 1 is provided with the following: a compressor body 20; a motor 10 that drives the compressor body; a chamber 40 that is interposed between the compressor body and the motor; a rotor shaft 19 configured so that an input shaft portion 19b that is located on the compressor body-side of the chamber, an output shaft portion 19a that is located on the motor-side of the chamber, and an intermediate shaft portion 19c that extends inside the chamber are formed integrally and coaxially; and a supply unit 41 that supplies, to the inside of the chamber, a cooling medium for cooling the inside of the chamber.
Inventors:
HAMADA KATSUNORI
NAKAMURA HAJIME
TSUBOI NOBORU
NAKAMURA HAJIME
TSUBOI NOBORU
Application Number:
PCT/JP2017/029393
Publication Date:
March 15, 2018
Filing Date:
August 15, 2017
Export Citation:
Assignee:
KOBE STEEL LTD (JP)
International Classes:
F04C18/16; F04C29/04
Domestic Patent References:
| WO2016136482A1 | 2016-09-01 |
Foreign References:
| JP2005308330A | 2005-11-04 | |||
| JP2002322992A | 2002-11-08 |
Attorney, Agent or Firm:
SAMEJIMA, Mutsumi et al. (JP)
Download PDF: