Global Patent Index - EP 2762725 A4

EP 2762725 A4 20150610 - MICRODIAPHRAGM PUMP

Title (en)

MICRODIAPHRAGM PUMP

Title (de)

MIKROMEMBRANPUMPE

Title (fr)

POMPE À MICRODIAPHRAGME

Publication

EP 2762725 A4 20150610 (EN)

Application

EP 11873526 A 20110927

Priority

JP 2011072056 W 20110927

Abstract (en)

[origin: EP2762725A1] A microdiaphragm pump having a diaphragm chamber in contact with one side of an intake valve and one side of a discharge valve. The microdiaphragm includes two valve plate sheets 12, in each of which a valve plate 14 of one of an intake valve 26 and a discharge valve 28 and a flow path aperture 16 that provides a passage of the other valve are formed and which are laminated in directions that are opposite from each other; two valve seat sheets 18, which are laminated to the laminate and in which valve seats 20 and valve stoppers 22 are formed; a base plate 32; a frame 34; a diaphragm 36; and a drive element 42. The microdiaphragm pump has extremely small external dimensions and provides high productivity, high flow control accuracy, a smooth operation, large suction and discharge forces, and high reliability.

IPC 8 full level

F04B 43/04 (2006.01)

CPC (source: EP KR US)

F04B 43/043 (2013.01 - KR); F04B 43/046 (2013.01 - EP US); F04B 43/073 (2013.01 - KR); F04B 53/10 (2013.01 - KR); F04B 53/16 (2013.01 - KR); F05B 2210/11 (2013.01 - KR)

Citation (search report)

  • [X] US 2005158188 A1 20050721 - MATSUI MASATOMO [JP], et al
  • [A] US 2002155010 A1 20021024 - KARP CHRISTOPH D [US], et al
  • [A] US 5542821 A 19960806 - DUGAN JEFFREY S [US]
  • [A] NGUYEN N-T ET AL: "A fully polymeric micropump with piezoelectric actuator", SENSORS AND ACTUATORS B: CHEMICAL: INTERNATIONAL JOURNAL DEVOTED TO RESEARCH AND DEVELOPMENT OF PHYSICAL AND CHEMICAL TRANSDUCERS, ELSEVIER S.A, CH, vol. 97, no. 1, 5 June 2003 (2003-06-05), pages 137 - 143, XP004483107, ISSN: 0925-4005, DOI: 10.1016/S0925-4005(03)00521-5
  • See references of WO 2013046330A1

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)

EP 2762725 A1 20140806; EP 2762725 A4 20150610; CN 103906923 A 20140702; KR 20140074308 A 20140617; US 2014248170 A1 20140904; WO 2013046330 A1 20130404

DOCDB simple family (application)

EP 11873526 A 20110927; CN 201180073680 A 20110927; JP 2011072056 W 20110927; KR 20147007966 A 20110927; US 201114347535 A 20110927