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公开(公告)号：EP2529478A4
公开(公告)日：2015-11-18
申请号：EP11737646
申请日：2011-01-27
申请人： DRESSER RAND CO
发明人： GILARRANZ JOSE L , DEVITO KENNETH
IPC分类号： H02P9/04 , F04B17/03 , F04D17/12 , F04D25/02 , F04D25/06 , F04D27/00 , F04D27/02 , H02J3/00 , H02J3/38 , H02J3/46 , H02P9/00
CPC分类号： F04B17/03 , F04D17/12 , F04D25/02 , F04D25/0606 , F04D27/0261 , H02J3/00 , H02J3/38 , H02J11/00 , H02P9/00 , H02P9/04 , Y10T307/25 , Y10T307/305
摘要： A variable speed compression system that is driven by a variable frequency high speed motor that receives power from a high frequency generation unit that is driven by a high speed gas turbine is provided. The speed of the turbine may be varied to control the output frequency of the high frequency generation unit, thus controlling the output of the compression system by controlling the speed of the turbine driving the generation unit.
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公开(公告)号：EP2630384A4
公开(公告)日：2016-05-25
申请号：EP11834778
申请日：2011-07-29
申请人： DRESSER RAND CO
发明人： DEVITO KENNETH , KIDD H ALLAN
CPC分类号： F16D37/02 , F16D2037/002 , F16D2037/005
摘要： A magnetic coupling including a rotatable driving connector having a first magnet assembly coupled thereto and a rotatable driven connector having a second magnet assembly coupled thereto. The driven connector may be configured to slip predictably with respect to the driving connector based on a controllable amount of torque transferred between the driving and driven connectors.
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3.发明公开METHOD AND SYSTEM FOR REDUCING SEAL GAS CONSUMPTION AND SETTLE-OUT PRESSURE REDUCTION IN HIGH-PRESSURE COMPRESSION SYSTEMS 审中-公开方法和系统的密封天然气消耗量的减少和高压压缩系统某矿床压力
公开(公告)号：EP2598756A4
公开(公告)日：2014-03-12
申请号：EP11814960
申请日：2011-06-28
申请人： DRESSER RAND CO
发明人： GUPTA MANOJ K , GILARRANZ JOSE L , NOVE STEVEN , DEVITO KENNETH
CPC分类号： F04D29/083 , F04D27/02 , F04D29/104 , F04D29/124 , F16J15/3492
摘要： A compressor is disclosed having a shaft seal assembly and system that allows a high-pressure compressor to settle-out at a lower pressure level during shutdown. The seal assembly may be disposed about a portion of the shaft and define a blow-down seal chamber, the seal assembly including one or more gas seals in fluid communication with the blow-down seal chamber. A blow-down line is communicably coupled to the blow-down seal chamber to reference the blow-down seal chamber to a low pressure reference, such as a separate centrifugal compressor, or the like. Referencing the blow-down seal chamber to the low pressure reference reduces the required sealing pressure of the one or more gas seals. A valve may be disposed in the blow-down line and configured to regulate a flow of process gas leakage through the blow-down line.
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