(19)
(11) EP 0 231 610 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
02.09.1987 Bulletin 1987/36

(43) Date of publication A2:
12.08.1987 Bulletin 1987/33

(21) Application number: 86309320

(22) Date of filing: 28.11.1986
(84) Designated Contracting States:
CH DE FR GB IT LI

(30) Priority: 29.11.1985 ES 291043
20.02.1986 ES 292609

(71) Applicant: BOMBAS ELECTRICAS, S.A. (BOELSA)
 ()

(72) Inventor:
  • Pages Pages, Jose
     ()

   


(54) A centrifugal pump


(57) A centrifugal pump comprises a pump body (24) defining a pump chamber (3), an electric motor (4) having a housing and a drive shaft (5), an impeller (6) which is mounted on the shaft (5) inside the chamber (3), a first plate (14) which is joined to the pump body (24) and the motor housing, and a second plate (15) which separates the chamber (3) from the motor (4).
To prevent the radially inner periphery of the second plate (15) being displaced by pressure inside the chamber (3), the first plate (14) has a portion (20) supporting the second plate (15).







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