EP 1044333 A1 20001018 - SUBMERSIBLE PUMP FOR USE IN A BORE HOLE
Title (en)
SUBMERSIBLE PUMP FOR USE IN A BORE HOLE
Title (de)
TAUCHPUMPENEINRICHTUNG ZUR VERWENDUNG IN EINEM BOHRLOCH
Title (fr)
DISPOSITIF A POMPE SUBMERSIBLE A UTILISER DANS UN TROU DE FORAGE
Publication
Application
Priority
- DE 19848792 A 19981022
- EP 9908021 W 19991022
Abstract (en)
[origin: DE19848792C1] The invention relates to submersible pump with a transmission (10) and a compensator (24). The transmission (10) comprises a transmission housing (12) filled with a lubricating fluid. Said transmission housing accommodates a driven input shaft (14, 102, 120) and an output shaft (16) for driving a pump. A transmission step (22) is provided which slows down the rotational movement of the input shaft (14, 102, 120). The compensator (24) adjusts the lubricating fluid pressure in the transmission housing (12) to the ambient pressure. The compensator (24) is arranged within the transmission housing (12) adjacent to the transmission stage (22) and distributes the heat building up at the transmission stage (22) across the lubricating fluid.
IPC 1-7
IPC 8 full level
E21B 43/12 (2006.01); F04B 47/02 (2006.01); F04C 11/00 (2006.01)
CPC (source: EP US)
E21B 43/121 (2013.01 - EP US); F04B 47/02 (2013.01 - EP US); F04C 11/00 (2013.01 - EP US)
Citation (search report)
See references of WO 0025026A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DE 19848792 C1 20000504; BR 9906883 A 20001017; CA 2325047 A1 20000504; CA 2325047 C 20050322; CN 1287593 A 20010314; EP 1044333 A1 20001018; US 6357552 B1 20020319; WO 0025026 A1 20000504
DOCDB simple family (application)
DE 19848792 A 19981022; BR 9906883 A 19991022; CA 2325047 A 19991022; CN 99801889 A 19991022; EP 9908021 W 19991022; EP 99953919 A 19991022; US 59909600 A 20000619