EP 0741839 B1 19980415 - MICRO-DIAPHRAGM PUMP
Title (en)
MICRO-DIAPHRAGM PUMP
Title (de)
MIKROMEMBRANPUMPE
Title (fr)
MICROPOMPE A MEMBRANE
Publication
Application
Priority
- DE 4402119 A 19940125
- EP 9403954 W 19941129
Abstract (en)
[origin: DE4402119A1] The invention relates to a micro-diaphragm pump consisting of an upper (1) and lower (2) section of a pump housing and a diaphragm (3) fitted between them, together forming a pump chamber (16), two valves (8, 9, 10, 12, 13, 14) and flow channels. It is the purpose of the invention to design the pump in such a way that it can be assembled by simple methods in few operations. This purpose is attained by means of heating element (4) secured to the pump diaphragm (3).
IPC 1-7
IPC 8 full level
B81B 3/00 (2006.01); F04B 43/02 (2006.01); F04B 43/04 (2006.01); F04B 43/06 (2006.01); F16K 7/17 (2006.01)
CPC (source: EP US)
F04B 43/043 (2013.01 - EP US)
Designated contracting state (EPC)
CH DK FR IT LI NL
DOCDB simple family (publication)
DE 4402119 A1 19950727; DE 4402119 C2 19980723; DK 0741839 T3 19980511; EP 0741839 A1 19961113; EP 0741839 B1 19980415; JP 3066925 U 20000307; JP H09503569 A 19970408; US 5725363 A 19980310; WO 9520105 A1 19950727
DOCDB simple family (application)
DE 4402119 A 19940125; DK 95903302 T 19941129; EP 9403954 W 19941129; EP 95903302 A 19941129; JP 51930695 A 19941129; JP 649499 U 19990826; US 66910696 A 19960624