EP 2961929 A1 20160106 - SCREW PUMP
Title (en)
SCREW PUMP
Title (de)
SCHRAUBENSPINDELPUMPE
Title (fr)
POMPE À VIS
Publication
Application
Priority
- DE 102013102032 A 20130301
- DE 2014000086 W 20140225
Abstract (en)
[origin: WO2014131391A1] Disclosed is a screw pump for delivering a fluid medium. The screw pump comprises a pump housing for the medium to be delivered, said housing having an inlet and an outlet. Said screw pump comprises at least two screws. Said at least two screws consist respectively of a shaft having at least two shaft sections and a profiled section arranged therebetween, said profiled sections of the at least two screws engaging at least partially with each other. The at least two screws are arranged so that they can rotate at least partially in the pump housing. The first screw is designed as a drive screw. Said drive screw is associated with a direct first drive. According to the invention, a second drive is associated with at least one second screw.
IPC 8 full level
F01C 21/02 (2006.01); F01C 21/04 (2006.01); F04C 2/16 (2006.01); F04C 15/00 (2006.01)
CPC (source: EP)
F01C 21/02 (2013.01); F01C 21/04 (2013.01); F04C 2/16 (2013.01); F04C 15/008 (2013.01); F04C 2240/402 (2013.01); F04C 2240/603 (2013.01)
Citation (search report)
See references of WO 2014131391A1
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DE 102013102032 A1 20140904; AR 094939 A1 20150909; BR 112015020434 A2 20170822; CN 105121783 A 20151202; EP 2961929 A1 20160106; JP 2016508573 A 20160322; KR 20150121219 A 20151028; RU 2015141527 A 20170406; WO 2014131391 A1 20140904
DOCDB simple family (application)
DE 102013102032 A 20130301; AR P140100653 A 20140228; BR 112015020434 A 20140225; CN 201480011627 A 20140225; DE 2014000086 W 20140225; EP 14717658 A 20140225; JP 2015559421 A 20140225; KR 20157026971 A 20140225; RU 2015141527 A 20140225