Clamping, compacting and lifting system for electric transformers and reactors

(19)

(11)

EP 1 808 872 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	02.03.2011 Bulletin 2011/09

(43)	Date of publication A2:
	18.07.2007 Bulletin 2007/29

(21)	Application number: 06025010.7

(22)	Date of filing: 04.12.2006

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International Patent Classification (IPC):

H01F 27/26^(2006.01)
H01F 27/30^(2006.01)

H01F 27/245^(2006.01)
H01F 30/12^(2006.01)

(84)	Designated Contracting States:
	AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
	Designated Extension States:
	AL BA HR MK RS

(30)

Priority:

17.01.2006 IT VI20060018

(71)	Applicant: GBE S.R.L.
	35040 Orgiano VI (IT)

(72)	Inventors:
	Tapparelli, Renato 36075 Montecchio Maggiore (Vicenza) (IT) Muzzolon, Francesco 36045 Lonigo (Vicenza) (IT) Sanson, Giuliano 36045 Montecchio Maggiore (Vicenza) (IT)

(74)	Representative: Bettello, Pietro
	Via Col d'Echele, 25 36100 Vicenza 36100 Vicenza (IT)

(54)	Clamping, compacting and lifting system for electric transformers and reactors

(57) The invention relates to a clamping, compacting and lifting system for electric transformers and reactors, of the type wherein the magnetic core (1) is equipped with lamination stack clamps (2) maintained in position through tie rods (3). Said system is characterised in that the transformer is lifted by means of constraints between the lamination stack clamps (2.1, 2.2) and the magnetic core (1), such constraints being comprised of pins (4) protruding from the internal part of the lamination stack clamp sections which are inserted into corresponding housings (5) drilled in the magnetic core.

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