专利名称：Screw compressor system and operating
method thereof
发明人：Kazuya Kanazaki,Shinichi Hirose,Junji
Okita,Seiji Tsuru
申请号：US09789755申请日：20010222
公开号：US20020071769A1公开日：20020613
专利附图：
摘要：A screw compressor system comprises a plurality of screw compressors thecapacity of each of which is controlled by repeating load operation and no-load
operation. Using a timer output corresponding to compressed gas consumption in ademander including gas consumption equipments, a parent controller determines thenumber of compressors to be operated among the plurality of compressors. Among thecompressors determined to be operated, all compressors other than one are put in loadoperation. In accordance with a load factor of the excepted one screw compressor, theparent controller controls discharge pressure of each compressor. At this time, thecontrol is made so that discharge pressure of the screw compressor system measured bya pressure gauge be lower than that upon the maximum gas consumption.
申请人：KANAZAKI KAZUYA,HIROSE SHINICHI,OKITA JUNJI,TSURU SEIJI
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