Invention Grant
- Patent Title: Wiper seal assemblies for a reciprocating pump and methods relating thereto
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Application No.: US14536272Application Date: 2014-11-07
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Publication No.: US09670923B2Publication Date: 2017-06-06
- Inventor: Randall Ferrain Weaver , Clifton Dee Eggleston
- Applicant: National Oilwell Varco, L.P.
- Applicant Address: US TX Houston
- Assignee: National Oilwell Varco, L.P.
- Current Assignee: National Oilwell Varco, L.P.
- Current Assignee Address: US TX Houston
- Agency: Conley Rose, P.C.
- Main IPC: F04B53/14
- IPC: F04B53/14 ; F16J15/18 ; F04B53/16 ; F04B1/04 ; F04B53/02

Abstract:
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.
Public/Granted literature
- US20160131131A1 WIPER SEAL ASSEMBLIES FOR A RECIPROCATING PUMP AND METHODS RELATING THERETO Public/Granted day:2016-05-12
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