Title:
COMPRESSOR BODY AND COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/084996
Kind Code:
A1
Abstract:
This compressor body is provided with: a compression mechanism having a screw rotor for compressing gas; a casing that houses the compression mechanism and forms a compression operation chamber; an intake-side bearing for bearing the screw rotor; a bearing chamber for housing the intake-side bearing; and a liquid supply port that communicates with the compression operation chamber and supplies liquid that has been supplied from the exterior of the casing to the compression operation chamber. The casing has an internal liquid supply channel that extends with a discharge side of the compression operation chamber being upstream and an intake side being downstream, and that supplies the liquid to the liquid supply port. The internal liquid supply channel has a downstream portion that extends as far as the bearing chamber, and supplies the liquid to the intake-side bearing.
Inventors:
YORIKANE SHIGEYUKI (JP)
TAKANO MASAHIKO (JP)
MORITA KENJI (JP)
TAKEUCHI YOSHITAKA (JP)
TAKANO MASAHIKO (JP)
MORITA KENJI (JP)
TAKEUCHI YOSHITAKA (JP)
Application Number:
PCT/JP2020/036529
Publication Date:
May 06, 2021
Filing Date:
September 28, 2020
Export Citation:
Assignee:
HITACHI INDUSTRY EQUIPMENT SYSTEMS CO LTD (JP)
International Classes:
F04C18/16; F04C29/02
Domestic Patent References:
| WO2019093106A1 | 2019-05-16 | |||
| WO2018038070A1 | 2018-03-01 |
Foreign References:
| JPS5776298A | 1982-05-13 | |||
| JPS52135407A | 1977-11-12 |
Attorney, Agent or Firm:
KAICHI IP (JP)
Download PDF: