公开(公告)号：EP2961921A1

公开(公告)日：2016-01-06

申请号：EP14702524.1

申请日：2014-01-29

申请人： EagleBurgmann Germany GmbH & Co. KG

发明人： JENISCH, Bernhard ,  BINDER, Jürgen ,  PEHL, Andreas ,  PFEIL, Dieter ,  RIEGER, Michael ,  VANHIE, Eric ,  WADLEY, Lance

IPC分类号： E21B43/12 ,  E21B43/38

CPC分类号： E21B43/128 ,  E21B43/38 ,  F04B17/03 ,  F04B19/22 ,  F04B23/10 ,  F04B43/04 ,  F04B53/14 ,  F04B53/16

摘要： The invention relates to a borehole pumping device for pumping a medium (9) out of a borehole (8), comprising a drive (2); a pump (3); a shaft (4) which connects the drive (2) to the pump (3); a sliding ring sealing unit (5) comprising a sliding ring seal (50) with a rotating sliding ring (51) and with a stationary sliding ring (52), said sliding ring seal (50) sealing against the shaft (4); and an autonomous supply device (6) which supplies a blocking medium to the sliding ring seal (50); wherein the autonomous supply device (6), the drive (2), the pump (3), the shaft (4), and the sliding ring sealing unit (5) form a compact pumping unit which can be completely lowered into the borehole.

公开(公告)号：EP3469237A1

公开(公告)日：2019-04-17

申请号：EP17717731.8

申请日：2017-04-18

申请人： EagleBurgmann Germany GmbH & Co. KG

发明人： DRÖSCHER, Peter ,  PEHL, Andreas ,  PFEIL, Dieter ,  SCHULTEN, Berthold ,  SCHMIDT, Glenn ,  VANHIE, Eric

IPC分类号： F16J15/00 ,  F16J15/34 ,  F16J15/40