EP 1205663 A1 20020515 - Pump with double-effect valve
Title (en)
Pump with double-effect valve
Title (de)
Doppelt wirkendes Pumpenventil
Title (fr)
Soupape de pompe à double effet
Publication
Application
Priority
IT MI20000637 U 20001110
Abstract (en)
A pump (10) with a double-effect valve, especially a vibration type valve with oscillating plunger or piston (20) from ferromagnetic material, included in a container (12) circumscribed by a bobbin (14) with the related bushings (16) and magnetic spacer (18), cooperating with a first valve (22) abutting along the delivery duct obtained in the hollow front body (28), and with a second valve (24) located along the suction duct (48), said first (22) and said second valves (24) being spaced out by a mobile spacer or lid (26), and said second valve (24) being so located as to strike on the upper part said spacer (26) and in the lower part the upper mouth of piston (20). <IMAGE>
IPC 1-7
IPC 8 full level
F04B 17/04 (2006.01)
CPC (source: EP)
F04B 17/046 (2013.01)
Citation (search report)
- [XA] US 4749343 A 19880607 - BROWN RALPH V [US]
- [Y] FR 1555291 A 19690124
- [Y] US 4778357 A 19881018 - ARAI TAKATOSHI [JP], et al
- [A] US 3592565 A 19710713 - KOFINK SIEGFRIED
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 1205663 A1 20020515; EP 1205663 B1 20050504; AT E294926 T1 20050515; DE 60110524 D1 20050609; DE 60110524 T2 20060223; IT 249882 Y1 20030605; IT MI20000637 U1 20020510
DOCDB simple family (application)
EP 01126094 A 20011102; AT 01126094 T 20011102; DE 60110524 T 20011102; IT MI20000637 U 20001110