EP 1253320 A3 20040204 - Pump and method of manufacturing same
Title (en)
Pump and method of manufacturing same
Title (de)
Pumpe und ihr Herstellungsverfahren
Title (fr)
Pompe et sa méthode de fabrication
Publication
Application
Priority
JP 2001125904 A 20010424
Abstract (en)
[origin: EP1253320A2] A compact pump has a pump chamber, inlet and outlet channels communicating with the pump chamber, and a pair of check valve units between the pump chamber and the inlet and outlet channels. Each check valve unit has a thin film check valve membrane, and a check valve body with a channel opened and closed by the check valve membrane due to a pressure difference. <IMAGE>
IPC 1-7
IPC 8 full level
F04B 43/00 (2006.01); F04B 43/04 (2006.01); F04B 53/10 (2006.01)
CPC (source: EP KR US)
F04B 43/00 (2013.01 - KR); F04B 43/046 (2013.01 - EP US); F04B 53/1062 (2013.01 - EP US)
Citation (search report)
- [XA] US 6033191 A 20000307 - KAMPER KLAUS-PETER [DE], et al
- [XA] EP 0789146 A1 19970813 - SEIKO EPSON CORP [JP]
- [XA] EP 0424087 A1 19910424 - SEIKO EPSON CORP [JP]
- [XA] DE 19711270 A1 19980924 - SCHWERIONENFORSCH GMBH [DE]
- [XA] US 5759014 A 19980602 - VAN LINTEL HARALD [CH]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
EP 1253320 A2 20021030; EP 1253320 A3 20040204; EP 1253320 B1 20060208; CN 1212476 C 20050727; CN 1382909 A 20021204; DE 60209054 D1 20060420; DE 60209054 T2 20060831; HK 1051061 A1 20030718; HK 1051061 B 20060825; KR 100494262 B1 20050613; KR 20020082800 A 20021031; TW 561223 B 20031111; US 2003002995 A1 20030102
DOCDB simple family (application)
EP 02008979 A 20020423; CN 02118459 A 20020424; DE 60209054 T 20020423; HK 03101906 A 20030314; KR 20020022511 A 20020424; TW 91107782 A 20020416; US 12753502 A 20020423