Global Patent Index - EP 0919724 A3

EP 0919724 A3 2000-04-19 - Hydraulically driven double acting diaphragm pump

Title (en)

Hydraulically driven double acting diaphragm pump

Title (de)

Hydraulisch angetriebene Doppelmembranpumpe

Title (fr)

Pompe à diaphragme double avec actionnement hydraulique

Publication

EP 0919724 A3 (EN)

Application

EP 98830707 A

Priority

IT RM970739 A

Abstract (en)

[origin: EP0919724A2] A pumping device for liquids or aeriform substances of a double-acting reciprocating type, characterized in that it comprises a first and a second pumping unit provided with a separating element between a working fluid and a pumped fluid, and connected to an oil control assembly arranged to induce reciprocating motions in said separating elements of said units by means of pressurized oil so as to produce a suction phase in one unit and a delivery phase in the other unit and viceversa, in a continuous way. <IMAGE>

IPC 1-7 (main, further and additional classification)

F04B 43/073

IPC 8 full level (invention and additional information)

F04B 43/073 (2006.01)

CPC (invention and additional information)

F04B 43/0733 (2013.01)

Citation (search report)

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

EP 0919724 A2 19990602; EP 0919724 A3 20000419; EP 0919724 B1 20050706; DE 69830775 D1 20050811; DE 69830775 T2 20060518; IT 1297087 B1 19990803; IT RM970739 A1 19990528