发明名称 APPARATUS WITH A ROTARY SEAL ASSEMBLY AXIALLY COINCIDENT WITH A SHAFT TILTING FOCAL POINT
摘要 An apparatus including a housing, a shaft rotatably extending through the housing, and a rotary seal assembly contained within the housing for providing a seal between the housing and the shaft. The shaft is capable of an amount of tilting within the housing about a tilting focal point which is axially located along the housing at an axial focal point position. The rotary seal assembly is axially located along the housing at an axial rotary seal position. The axial rotary seal position is substantially axially coincident with the axial focal point position.
申请公布号 EP3094895(A1) 申请公布日期 2016.11.23
申请号 EP20140886075 申请日期 2014.03.21
申请人 HALLIBURTON ENERGY SERVICES, INC. 发明人 KIRKHOPE, KENNEDY J.
分类号 F16J15/54;E21B17/04;E21B17/10;E21B33/10;F16C23/06;F16C33/76 主分类号 F16J15/54
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