EP 1022465 A3 20001227 - Hydraulically driven diaphragm pump
Title (en)
Hydraulically driven diaphragm pump
Title (de)
Membranpumpe mit hydraulisch angetriebener Membran
Title (fr)
Pompe à membrane à commande hydraulique
Publication
Application
Priority
DE 19901893 A 19990119
Abstract (en)
[origin: DE19901893C1] The membrane is seen to be wavy in diametral cross section, the wavelength and/or amplitude varying with radius.
IPC 1-7
IPC 8 full level
F04B 43/00 (2006.01); F04B 43/067 (2006.01)
CPC (source: EP US)
F04B 43/0063 (2013.01 - EP US); F04B 43/067 (2013.01 - EP US); F05C 2225/04 (2013.01 - EP US)
Citation (search report)
- [A] FR 787226 A 19350919
- [A] US 1927617 A 19330919 - RUDOLF SCHMIDT
- [A] GB 540036 A 19411002 - VICKERS INC
- [A] PATENT ABSTRACTS OF JAPAN vol. 1998, no. 03 27 February 1998 (1998-02-27)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19901893 C1 20000615; EP 1022465 A2 20000726; EP 1022465 A3 20001227; US 6327960 B1 20011211
DOCDB simple family (application)
DE 19901893 A 19990119; EP 00100956 A 20000118; US 48724600 A 20000119