EP 1034373 A1 20000913 - DIAPHRAGM PUMP WITH MODIFIED VALVES
Title (en)
DIAPHRAGM PUMP WITH MODIFIED VALVES
Title (de)
MEMBRANPUMPE MIT MODIFIZIERTER VENTILANORDNUNG
Title (fr)
POMPE A MEMBRANE A SOUPAPES MODIFIEES
Publication
Application
Priority
- US 9825056 W 19981123
- US 6661897 P 19971126
- US 2020898 A 19980206
Abstract (en)
[origin: WO9927253A1] A diaphragm or gasket pump is provided with modified outlet valve and/or inlet valve assemblies which enhance the outlet and/or inlet valve effectiveness and provide long, effective valve lives.
IPC 1-7
IPC 8 full level
F04B 43/02 (2006.01); F04B 53/10 (2006.01); F16K 15/14 (2006.01)
CPC (source: EP US)
F04B 43/026 (2013.01 - EP US); F04B 53/1065 (2013.01 - EP); F16K 15/148 (2013.01 - EP)
Citation (search report)
See references of WO 9927253A1
Designated contracting state (EPC)
DE DK FR GB IT
DOCDB simple family (publication)
WO 9927253 A1 19990603; CN 1285899 A 20010228; EP 1034373 A1 20000913
DOCDB simple family (application)
US 9825056 W 19981123; CN 98813107 A 19981123; EP 98960419 A 19981123