(19)
(11) EP 1 382 846 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
23.11.2005 Bulletin 2005/47

(43) Date of publication A2:
21.01.2004 Bulletin 2004/04

(21) Application number: 03016102.0

(22) Date of filing: 16.07.2003
(51) International Patent Classification (IPC)7: F04B 1/20, F03C 1/06
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
Designated Extension States:
AL LT LV MK

(30) Priority: 18.07.2002 IT GE20020065

(71) Applicant: Riviera S.R.L. Genova
16138 Genova (IT)

(72) Inventors:
  • Cocino, Luigi Amedeo
    16131 Genova (IT)
  • Migone, Renato
    16147 Genova (IT)
  • Frione, Alessandro
    17024 Finale Ligure (Savona) (IT)

(74) Representative: Forattini, Amelia 
c/o Internazionale Brevetti Ingg. ZINI, MARANESI & C. S.r.l. Piazza Castello 1
20121 Milano
20121 Milano (IT)

   


(54) Pump particularly for hydraulic rudder control systems


(57) A pump for hydraulic rudder control systems of the volumetric type with a stator and a rotor; its particularity consists of the fact that the rotor is made of plastics, ensuring very low weight and low cost of the machine.






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