EP 1206641 A1 20020522 - MEMBRANE PUMP
Title (en)
MEMBRANE PUMP
Title (de)
MEMBRANPUMPE
Title (fr)
POMPE A DIAPHRAGME
Publication
Application
Priority
- DE 19940498 A 19990826
- EP 0006727 W 20000714
Abstract (en)
[origin: WO0114744A1] The invention relates to a membrane pump (104) comprising a working membrane (1) that delimits a delivery chamber (2), and comprising an additional membrane (3) that is arranged on the side of the working membrane (1) facing away from the delivery chamber (2). The inventive membrane pump also comprises a membrane space (4) provided between the working membrane (1) and the additional membrane (3), and comprises a pump drive for effecting an oscillating movement of the working membrane (1) and of the additional membrane (3) in the same direction, whereby the membrane space (3) is connected to at least one suction channel (7) for relieving pressure from the membrane space (4). The inventive membrane pump (104) is characterized in that the membrane space (4) is pneumatically connected to the suction side of said membrane pump (104) via the at least one suction channel (7). The inventive membrane pump (104) is also characterized by having a high suction capacity without causing the elastic working membrane (1)to bulge during the suction phase.
IPC 1-7
IPC 8 full level
F04B 43/02 (2006.01); F04B 37/14 (2006.01); F04B 43/00 (2006.01); F04B 45/04 (2006.01); F16J 3/02 (2006.01)
CPC (source: EP US)
F04B 37/14 (2013.01 - EP US); F04B 43/009 (2013.01 - EP US); F04B 45/04 (2013.01 - EP US)
Citation (search report)
See references of WO 0114744A1
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
WO 0114744 A1 20010301; DE 19940498 A1 20010322; DE 50010984 D1 20050922; EP 1206641 A1 20020522; EP 1206641 B1 20050817; JP 2003507658 A 20030225; JP 4755374 B2 20110824; TW 482873 B 20020411; US 6796215 B1 20040928
DOCDB simple family (application)
EP 0006727 W 20000714; DE 19940498 A 19990826; DE 50010984 T 20000714; EP 00949341 A 20000714; JP 2001518590 A 20000714; TW 89117133 A 20000824; US 6947302 A 20020708