DEVICE FOR SENSORLESS CONTROL OF DIRECT CURRENT BRUSHLESS MOTORS - Patent 1135850

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EP 1 135 850 A1

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(43)	Date of publication:
	26.09.2001 Bulletin 2001/39

(21)	Application number: 00969394.6

(22)	Date of filing: 02.10.2000

(51)	International Patent Classification (IPC)⁷: H02P 6/06, H02P 6/18

(86)	International application number:
	PCT/EP0009/670

(87)	International publication number:
	WO 0126/211 (12.04.2001 Gazette 2001/15)

(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

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Priority:

01.10.1999 IT TO990846

(71)	Applicant: BITRON S.p.A.
	10042 Nichelino (Torino) (IT)

(72)	Inventors:
	DE FILIPPIS, Pietro I-20052 Monza (IT) FASOLA, Giancarlo I-20124 Milano (IT) NAVARRA, Pietro I-20093 Cologno Monzese (IT) CASATI, Roberto I-20095 Cusano Milanino (IT)

(74)	Representative: Lotti, Giorgio
	c/o Ing. Barzanò & Zanardo Milano S.p.A.Corso Vittorio Emanuele II, 61 10128 Torino 10128 Torino (IT)

(54)	DEVICE FOR SENSORLESS CONTROL OF DIRECT CURRENT BRUSHLESS MOTORS