发明名称 Device for a pressure-compensated swivel
摘要 A device for a pressure-compensated swivel comprising a swivel housing and a swivel pipe rotatably arranged in the swivel housing, wherein pressure from fluid in the swivel acts on opposing compensating areas in the swivel, whereby an axially compressive force is established between the swivel housing and the swivel pipe.
申请公布号 US7654583(B2) 申请公布日期 2010.02.02
申请号 US20050661408 申请日期 2005.08.30
申请人 KVAMME JOSTEIN;KVAMME ATLE 发明人 KVAMME JOSTEIN;KVAMME ATLE
分类号 F16L27/08;E21B21/02;F16G;F16L27/087 主分类号 F16L27/08
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