EP 1034375 A1 20000913 - PUMP/MOTOR ASSEMBLY
Title (en)
PUMP/MOTOR ASSEMBLY
Title (de)
PUMPE/MOTOR ANORDNUNG
Title (fr)
"ENSEMBLE MOTEUR/POMPE"
Publication
Application
Priority
- GB 9803524 W 19981126
- GB 9724899 A 19971126
Abstract (en)
[origin: WO9927256A1] A pump and, in reverse operation, a motor, for pumping viscous fluids is disclosed, comprising a rotor and stator each having opposite handed threads, and a fluid path between them, one of the stator motor having a solid body, typically in the sense that it has no throughbore.
IPC 1-7
IPC 8 full level
E21B 43/12 (2006.01); F04D 3/02 (2006.01)
CPC (source: EP US)
E21B 43/128 (2013.01 - EP US); F04D 3/02 (2013.01 - EP); F04D 31/00 (2013.01 - EP)
Citation (search report)
See references of WO 9927256A1
Designated contracting state (EPC)
AT BE DE DK ES FI FR GB GR IE IT NL PT SE
DOCDB simple family (publication)
WO 9927256 A1 19990603; AU 1342199 A 19990615; BR 9814911 A 20001003; CA 2314350 A1 19990603; CN 1279747 A 20010110; EP 1034375 A1 20000913; GB 9724899 D0 19980128; ID 27608 A 20010412
DOCDB simple family (application)
GB 9803524 W 19981126; AU 1342199 A 19981126; BR 9814911 A 19981126; CA 2314350 A 19981126; CN 98811386 A 19981126; EP 98956989 A 19981126; GB 9724899 A 19971126; ID 20001002 A 19981126