Title:
ターボ圧縮機およびその容量制御方法
Document Type and Number:
Japanese Patent JP4069675
Kind Code:
B2
Abstract:
A turbo-compressor comprises a compressor main body for compressing an operation fluid, an inlet guide vane apparatus being provided on a suction side of the compressor main body and having guide vanes, and a blow-off valve being provided in a discharge said compressor main body. An opening of the blow-off valve is variable. A pressure detector is provided on the discharge side of the compressor. At least any one of a time-period and a number of times of operations of the inlet guide vane apparatus is memorized in a memory, when it is operated at an inlet guide vane opening, being equal or less than a setting limit. A controller controls the blow-off valve and the guide vanes based on the values which are memorized in the memory.
Inventors:
Koji Kotani
Kazuo Takeda
Kazuo Takeda
Application Number:
JP2002147068A
Publication Date:
April 02, 2008
Filing Date:
May 22, 2002
Export Citation:
Assignee:
Hitachi Plant Technology Co., Ltd.
International Classes:
F04B49/06; F04D27/02
Domestic Patent References:
| JP2223694A | ||||
| JP5157055A | ||||
| JP5164057A | ||||
| JP1167498A | ||||
| JP4136498A | ||||
| JP5296189A | ||||
| JP3175181A | ||||
| JP1033676B2 | ||||
| JP1219371A | ||||
| JP53113306A | ||||
| JP58191397U |
Attorney, Agent or Firm:
Polaire Patent Business Corporation