EP 3685045 C0 20230607 - POSITIVE DISPLACEMENT PUMP WITH IMPROVED CLEANING
Title (en)
POSITIVE DISPLACEMENT PUMP WITH IMPROVED CLEANING
Title (de)
VERDRÄNGERPUMPE MIT VERBESSERTER REINIGUNG
Title (fr)
POMPE VOLUMÉTRIQUE À NETTOYAGE AMÉLIORÉ
Publication
Application
Priority
- FR 1762157 A 20171214
- FR 2018052748 W 20181107
Abstract (en)
[origin: WO2019115890A1] The invention concerns a positive displacement pump (1) comprising: - a pipe (2) having a first end (21) secured to a transmission area (3) and a second end (22) ending in a cylinder (24) secured to a discharge area (4), the pipe (2) comprising a suction opening (23) and the discharge area comprising a discharge opening (41), - a drive shaft (5) with one end (53) situated at the cylinder (24), - a piston (6) pressed against the cylinder (24) by elastic means (7) so as to prevent fluid from moving between the pipe (2) and the discharge area (4), in which the pump (1) further comprises means (8, 9) for moving the piston elastically away from the cylinder (24) and keeping it at a predetermined distance from same. It also concerns a method for cleaning this pump.
IPC 8 full level
F04C 15/00 (2006.01)
CPC (source: EP US)
F04C 15/0065 (2013.01 - EP US); F04C 15/06 (2013.01 - US); F04C 2210/206 (2013.01 - US); F04C 2210/221 (2013.01 - US); F04C 2240/60 (2013.01 - US); F04C 2280/00 (2013.01 - 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
Participating member state (EPC – UP)
AT BE BG DE DK EE FI FR IT LT LU LV MT NL PT SE SI
DOCDB simple family (publication)
WO 2019115890 A1 20190620; BR 112020007446 A2 20201027; CA 3084497 A1 20190620; CN 111295517 A 20200616; CN 111295517 B 20220510; EP 3685045 A1 20200729; EP 3685045 B1 20230607; EP 3685045 C0 20230607; ES 2950566 T3 20231011; FR 3075280 A1 20190621; FR 3075280 B1 20191122; JP 2021507160 A 20210222; JP 7227972 B2 20230222; US 11319955 B2 20220503; US 2020386226 A1 20201210
DOCDB simple family (application)
FR 2018052748 W 20181107; BR 112020007446 A 20181107; CA 3084497 A 20181107; CN 201880068570 A 20181107; EP 18812244 A 20181107; ES 18812244 T 20181107; FR 1762157 A 20171214; JP 2020526542 A 20181107; US 201816770350 A 20181107