发明授权
- 专利标题： Compressor-expander set critical speed avoidance
- 专利标题（中）： 压缩机 - 膨胀机设置临界速度避免
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申请号： US12047938申请日： 2008-03-13
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公开(公告)号： US08360744B2公开(公告)日： 2013-01-29
- 发明人: Saul Mirsky , Wayne Jacobson , David J. Hoogerwerf , Nauman Islam
- 申请人： Saul Mirsky , Wayne Jacobson , David J. Hoogerwerf , Nauman Islam
- 申请人地址： US IA Des Moines
- 专利权人： Compressor Controls Corporation
- 当前专利权人： Compressor Controls Corporation
- 当前专利权人地址： US IA Des Moines
- 代理机构： Sturm & Fix LLP
- 主分类号： F01D17/06
- IPC分类号： F01D17/06 ; F03B15/08
摘要：
A control method and apparatus for critical rotational speed avoidance in a compressor-expander set in a gas refrigeration system. By varying an opening of an antisurge or recycle valve, a shaft power used by the compressor in the compressor-expander set may be varied, thereby varying the rotational speed of the compressor-expander set to move it away from its critical speed zone. Additionally, a feedforward signal may be provided by a compressor-expander set control system to cause an antisurge valve for a recycle compressor to open upon a trip or shutdown of one compressor-expander set.
公开/授权文献
- US20090232663A1 Compressor-Expander Set Critical Speed Avoidance 公开/授权日：2009-09-17
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