(19)
(11) EP 1 431 584 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
27.07.2005 Bulletin 2005/30

(43) Date of publication A2:
23.06.2004 Bulletin 2004/26

(21) Application number: 03380287.7

(22) Date of filing: 12.12.2003
(51) International Patent Classification (IPC)7: F04D 15/02
(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: 18.12.2002 ES 200203032

(71) Applicant: Bogemar, S.L.
17820 Banyoles (ES)

(72) Inventor:
  • Pages Pages, Josep
    17820 Banyoles (ES)

(74) Representative: SUGRANES - VERDONCES - FERREGÜELA 
Calle Provenza, 304
08008 Barcelona
08008 Barcelona (ES)

   


(54) Multi-stage electric pump


(57) Multi-stage electric pump (1), which comprises a multi-stage pump (2) coupled to an electric motor (3). The multi-stage pump (2) is essentially formed from a tubular body (4) which, at the end opposite that of the electric motor (3), is equipped with a water inlet (6) and a suction chamber (7) and, at the other end beside the electric motor (3), with a discharge chamber (8) and a water outlet (9), which is equipped with a pressure detector (10) and a non-return valve (11) equipped with a zero or minimum discharge detector (12).






Search report