TENSIONER

专利名称：TENSIONER

发明人：Michael Gethings,David Evans申请号：US15116988申请日：20140206

公开号：US20170203397A1公开日：20170720

专利附图：

摘要：A tensioner, typically hydraulic, for threaded members, the tensioner

comprising: a base () and a piston () defining a pressure space () therebetween, the base ()and piston () being arranged to be urged apart along an axis () upon introduction of afluid into the pressure space (); and a thread-engaging member (), comprising a body

portion () of the form of a sleeve and having a threaded interior () for engagement with athreaded member () and a piston engaging portion () carrying a protrusion; in which thepiston () bears against the protrusion such that the piston () exerts a force on theprotrusion when urged apart from the base () by the introduction of fluid into thepressure space (); the tensioner further comprising a displacement sensor arranged todetermining the relative position of the body portion of the thread-engaging memberand the base, the displacement sensor comprising a first part () carried on the base () anda second part () carried on the body portion (); typically the displacement sensor is amagnetic encoder.

申请人：Tentec Limited

地址：W Brom, Birmingham W Midlands GB

国籍：GB

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