A seal assembly for providing a seal around a non-stationary rod includes a seal housing with a hollow body with first and second ends. The first end has a first opening to allow the non-stationary rod to pass therethrough and the second end has a second opening to allow the non-stationary rod to pass therethrough. A seal cartridge is disposed within the seal housing and radially moveable within the seal housing. A rod seal is disposed in an internal diameter of the seal cartridge.
申请公布号
US2012058000(A1)
申请公布日期
2012.03.08
申请号
US20100876202
申请日期
2010.09.06
申请人
ROGERS RUSSELL ALAN;CACKLER CHRISTOPHER LEE;NATIONAL OILWELL VARCO, L.P.