(19)
(11) EP 0 944 150 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
07.06.2000 Bulletin 2000/23

(43) Date of publication A2:
22.09.1999 Bulletin 1999/38

(21) Application number: 99104014.8

(22) Date of filing: 12.03.1999
(51) International Patent Classification (IPC)7: H02H 5/08
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 19.03.1998 IT PD980059

(71) Applicant: COMEM S.p.A.
36054 Montebello Vicentino (Vicenza) (IT)

(72) Inventor:
  • Dal Lago, Silvio
    36100 Vicenza (IT)

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

   


(54) Improved Buchholz relay


(57) A Buchholz relay comprising, to be immersed in an oil bath, a supporting frame (25) for magnetic switches (29) for closing circuits which are operated by movable devices (32,33), of which at least one (32) is of the floater type and at least one (33) is of the type with a flap rotatably associated with the frame (25). The flap device, which has a surface which is sensitive to the presence of oil currents, is independent of the floaters (32).






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