发明名称 WIPER SEAL ASSEMBLIES FOR A RECIPROCATING PUMP AND METHODS RELATING THERETO
摘要 A wiper seal assembly for a reciprocating pump, the pump including a power section configured to be powered by a motor, a fluid section having an inlet and an outlet, and a plunger having a longitudinal plunger axis, a first end coupled to the power section, and a second end opposite the first end and disposed within the fluid section. The wiper seal assembly includes a cover mounted to the power section. In addition, the wiper seal assembly includes a first wiper seal radially disposed between the cover and the plunger. Further, the wiper seal assembly includes a splash guard disposed about the plunger and axially spaced from the cover. Still further, the wiper seal assembly includes a biasing member axially biasing the splash guard away from the first wiper seal.
申请公布号 US2016131131(A1) 申请公布日期 2016.05.12
申请号 US201414536272 申请日期 2014.11.07
申请人 National Oilwell Varco, L.P. 发明人 Weaver Randall Ferrain;Eggleston Clifton Dee
分类号 F04B53/14;F16J9/12;F16J9/06 主分类号 F04B53/14
代理机构 代理人
主权项 1. A reciprocating pump, comprising: a power section configured to be powered by a motor; a fluid section having an inlet and an outlet; a plunger having a longitudinal plunger axis, a first end coupled to the power section, and a second end opposite the first end and disposed within the fluid section; a wiper seal assembly, including: a cover mounted to the power section;a first wiper seal radially disposed between the cover and the plunger;a splash guard disposed about the plunger and axially spaced from the cover; anda biasing member axially biasing the splash guard away from the first wiper seal.
地址 Houston TX US