专利名称：SUBSEA ACTUATION SYSTEM发明人：David Geiger,Raymond S. Scheffler申请号：US14002003申请日：20120306
公开号：US20130333894A1公开日：20131219
专利附图：
摘要：A subsea drilling, production or processing actuation system comprising avariable speed electric motor () adapted to be supplied with a current, a reversiblehydraulic pump () driven by the motor, a hydraulic piston assembly () connected to thepump and comprising a first chamber (), a second chamber () and a piston () separating
the first and second chambers and configured to actuate a valve () in a subsea system, afluid reservoir () connected to the pump and the hydraulic piston assembly, the pump,hydraulic piston assembly and reservoir connected in a substantially closed hydraulicsystem, and a pressure compensator () configured to normalize pressure differencesbetween outside the hydraulic system and inside the hydraulic system.
申请人：David Geiger,Raymond S. Scheffler
地址：Orchard Park NY US,Holland NY US
国籍：US,US
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