(19)
(11) EP 1 156 220 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
05.03.2003 Bulletin 2003/10

(43) Date of publication A2:
21.11.2001 Bulletin 2001/47

(21) Application number: 01111179.6

(22) Date of filing: 11.05.2001
(51) International Patent Classification (IPC)7: F04C 2/10, F04C 15/02
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 16.05.2000 IT TV000022 U

(71) Applicant: Elettromeccanica Delta S.p.A.
31030 Arcade (Prov. of Treviso) (IT)

(72) Inventor:
  • Granzotto, Alessandro
    31027 Spresiano (Prov. of Treviso) (IT)

(74) Representative: Modiano, Guido, Dr.-Ing. et al
Modiano & Associati SpA Via Meravigli, 16
20123 Milano
20123 Milano (IT)

   


(54) Internal gear pump


(57) A pump (1), particularly for fuel oil burners, which comprises a body (2) provided with internal gears and with an external electric valve. A cover (12) which has connectors (15) for a pressure gauge and a vacuum gauge is associable with the body. The body (2) has at least two outlets and a single inlet which are connected to a plurality of ducts for conveying the fuel oil. A user-activatable selection device (25) interacts with the ducts and is suitable to switch the direction of the circulation of the flow of the fuel oil as a function of the direction of rotation of the gears.






Search report