Title:
多段圧縮機
Document Type and Number:
Japanese Patent JP6670645
Kind Code:
B2
Abstract:
A multistage compressor including: at least a first compressor main body and a second compressor main body configured to suck compressed gas discharged from the first compressor main body to discharge the compressed gas with higher pressure; a first driving source configured to drive the first compressor main body; a second driving source configured to drive the second compressor main body; an intermediate pipe configured to connect a discharge side of the first compressor main body and a suction side of the second compressor main body; a low-pressure side discharge piping system branched from the intermediate pipe; an on-off valve disposed in the low-pressure side discharge piping system and configured to switch permission and prohibition of a flow of compressed gas discharged from the first compressor main body; and a control unit configured to control driving of the first driving source and the second driving source.
Inventors:
Masayuki Kasahara
Application Number:
JP2016051854A
Publication Date:
March 25, 2020
Filing Date:
March 16, 2016
Export Citation:
Assignee:
Hitachi Industrial Equipment Systems Co., Ltd.
International Classes:
F04C23/00; F04C28/02; F04C29/12
Domestic Patent References:
| JP63087556A | ||||
| JP7158576A | ||||
| JP2003129961A | ||||
| JP61149597A |
Attorney, Agent or Firm:
Yuji Toda