Integrated spindle and motor rotor

(19)

(11)

EP 1 186 690 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	25.09.2002 Bulletin 2002/39

(43)	Date of publication A2:
	13.03.2002 Bulletin 2002/11

(21)	Application number: 01203201.7

(22)	Date of filing: 23.08.2001

(51)	International Patent Classification (IPC)⁷: D01H 1/244, D01H 7/88

(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:

06.09.2000 IT MI001958

(71)	Applicant: Ditta Michele Ratti S.p.A.
	21016 Luino, Varese (IT)

(72)	Inventor:
	Gazzi, Maurizio I-21016 Luino(Varese) (IT)

(74)	Representative: De Gregori, Antonella et al
	Ing. Barzano & Zanardo Milano S.p.A. Via Borgonuovo 10 20121 Milano 20121 Milano (IT)

(54)	Integrated spindle and motor rotor

(57) A single-motor spindle or motor spindle (20) for textile machines, comprising a synchronous motor, fed by an individual three-phase generator with variable voltage and frequency, wherein the design of the spindle (20) and of the actuation motor are conceived as a single entity and the support part, comprising the bearings and dampers (10, 12), is foreseen in the lower part of the motor spindle (20).

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