EP 2825774 B1 20170201 - DISPLACEMENT PUMP WITH FORCED VENTILATION SYSTEM
Title (en)
DISPLACEMENT PUMP WITH FORCED VENTILATION SYSTEM
Title (de)
VERDRÄNGERPUMPE MIT ZWANGSENTLÜFTUNG
Title (fr)
POMPE VOLUMÉTRIQUE AVEC SYSTEME DE VENTILATION FORCEE
Publication
Application
Priority
- DE 102012102088 A 20120313
- EP 2013054976 W 20130312
Abstract (en)
[origin: WO2013135681A1] The present invention relates to a displacement pump comprising a delivery chamber, which is connected to a pressure connection and a suction connection, a displacement element determining the volume of the delivery chamber, said element being able to be moved backwards and forwards between a first position in which the delivery chamber has a smaller volume and a second position in which the delivery chamber has a greater volume, wherein the pressure connection is connected to the delivery chamber via a pressure valve and the suction connection is connected to the delivery chamber via a suction valve. According to the invention, in order to provide a displacement pump that can be manufactured simply and inexpensively and simultaneously reliably provides a degassing function, which enables downtimes to be reduced and the reliability of the delivery process to be enhanced, a backflow channel connects the delivery chamber and pressure connection when the pressure valve is closed, via which pressure connection the medium can enter the delivery chamber and/or gas can escape from the delivery chamber.
IPC 8 full level
F04B 13/00 (2006.01); F04B 43/06 (2006.01); F04B 53/06 (2006.01)
CPC (source: EP US)
F04B 7/0266 (2013.01 - US); F04B 13/00 (2013.01 - EP US); F04B 43/06 (2013.01 - EP US); F04B 53/06 (2013.01 - EP US)
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
DOCDB simple family (publication)
WO 2013135681 A1 20130919; CA 2866784 A1 20130919; CA 2866784 C 20180417; DE 102012102088 A1 20130919; DK 2825774 T3 20170424; EP 2825774 A1 20150121; EP 2825774 B1 20170201; ES 2621665 T3 20170704; HU E032314 T2 20170928; JP 2015515568 A 20150528; JP 6266541 B2 20180124; PL 2825774 T3 20170731; PT 2825774 T 20170424; SI 2825774 T1 20170531; US 10677243 B2 20200609; US 2015110654 A1 20150423
DOCDB simple family (application)
EP 2013054976 W 20130312; CA 2866784 A 20130312; DE 102012102088 A 20120313; DK 13709872 T 20130312; EP 13709872 A 20130312; ES 13709872 T 20130312; HU E13709872 A 20130312; JP 2014561414 A 20130312; PL 13709872 T 20130312; PT 13709872 T 20130312; SI 201330609 A 20130312; US 201314383622 A 20130312