Global Patent Index - EP 2167820 B1

EP 2167820 B1 20160914 - DIAPHRAGM PUMP

Title (en)

DIAPHRAGM PUMP

Title (de)

MEMBRANPUMPE

Title (fr)

POMPE À MEMBRANE

Publication

EP 2167820 B1 20160914 (DE)

Application

EP 08716538 A 20080314

Priority

  • EP 2008002043 W 20080314
  • DE 102007030311 A 20070629

Abstract (en)

[origin: WO2009003540A1] The invention relates to a diaphragm pump (1) having a diaphragm (11), a solenoid with a movable magnet armature (8) as a drive element for the diaphragm (11), and a stop element (9) for adjusting the stroke for the drive element (8). The diaphragm pump according to the invention is characterized in that at least one elastic damper (36) is provided between the drive element (8) and a stop element (9), which elastic damper (36) has at least one compression chamber (26) which is surrounded and formed by at least one elastic boundary wall and by at least one rigid boundary wall of the drive element (8) and/or stop element (9).

IPC 8 full level

F04B 49/14 (2006.01); F04B 17/04 (2006.01); F04B 43/04 (2006.01); F04B 49/12 (2006.01)

CPC (source: EP US)

F04B 17/04 (2013.01 - EP US); F04B 17/044 (2013.01 - EP US); F04B 43/04 (2013.01 - EP US); F04B 49/14 (2013.01 - EP US)

Citation (opposition)

Opponent : ProMinent GmbH

  • FR 2485108 A1 19811224 - GUINARD POMPES [FR]
  • EP 1757809 A1 20070228 - PROMINENT DOSIERTECHNIK GMBH [DE]
  • US 4143998 A 19790313 - O CONNOR ALTON J
  • "Betriebsanleitung Dosierpumpe Prominent(R) gamma G75b", July 1999 (1999-07-01), pages 84, XP055626034
  • "ProMinent® gamma/ 5 Bedienungsanleitung", AUSZUG AUS DER BETRIEBSANLEITUNG GAMMA/5, June 1991 (1991-06-01), pages FP - 55, XP055626038

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

DOCDB simple family (publication)

DE 102007030311 A1 20090102; DE 102007030311 B4 20130207; EP 2167820 A1 20100331; EP 2167820 B1 20160914; JP 2010531945 A 20100930; JP 5091315 B2 20121205; US 2010196176 A1 20100805; US 8366414 B2 20130205; WO 2009003540 A1 20090108

DOCDB simple family (application)

DE 102007030311 A 20070629; EP 08716538 A 20080314; EP 2008002043 W 20080314; JP 2010513678 A 20080314; US 66652108 A 20080314