EP 1106826 A2 20010613 - Flow rate control with a positive displacement liquid pump
Title (en)
Flow rate control with a positive displacement liquid pump
Title (de)
Durchflussregelung mittels einer Flüssigkeitsverdrängerpumpe
Title (fr)
Régulation du débit avec une pompe volumétrique
Publication
Application
Priority
- JP 3439999 A 19990212
- JP 2000217926 A 20000718
Abstract (en)
A positive displacement liquid-delivery apparatus comprising a positive displacement pump 10 and a differential pressure control unit 42. The positive displacement pump 10 includes a liquid-delivery chamber 28 having a housing 22 with one part formed of a flexible diaphragm 24; and a diaphragm driver 36 linked to the diaphragm 24 for deforming the same to discharge fluid from the liquid-delivery chamber 28. The differential pressure control unit 42 uniformly controls the differential pressure inside and outside the diaphragm 24 during the pumping process. <IMAGE>
IPC 1-7
CPC (source: EP KR US)
F04B 13/00 (2013.01 - EP KR US); F04B 43/02 (2013.01 - EP KR US); F04B 2205/07 (2013.01 - EP)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 1106826 A2 20010613; EP 1106826 A3 20030502; EP 1106826 B1 20080507; EP 1106826 B9 20081224; DE 60038775 D1 20080619; JP 2001221163 A 20010817; JP 3844418 B2 20061115; KR 100710914 B1 20070427; KR 20010062048 A 20010707; TW 500822 B 20020901
DOCDB simple family (application)
EP 00126636 A 20001204; DE 60038775 T 20001204; JP 2000217926 A 20000718; KR 20000072337 A 20001201; TW 89125285 A 20001129