Nautical propulsor with ducted rotor propeller

(19)

(11)

EP 0 867 361 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	12.04.2000 Bulletin 2000/15

(43)	Date of publication A2:
	30.09.1998 Bulletin 1998/40

(21)	Application number: 98830151.1

(22)	Date of filing: 18.03.1998

(51)	International Patent Classification (IPC)⁷: B63H 5/14, B63H 23/24, B63H 1/16

(84)	Designated Contracting States:
	AT BE CH 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:

19.03.1997 IT RM970154

(71)	Applicant: Lenci, Fabio
	00144 Roma (IT)

(72)	Inventor:
	Lenci, Fabio 00144 Roma (IT)

(74)	Representative: Taliercio, Antonio et al
	ING. BARZANO' & ZANARDO ROMA S.p.A. Via Piemonte, 26 00187 Roma 00187 Roma (IT)

(54)	Nautical propulsor with ducted rotor propeller

(57) This invention relates to a nautical propulsor comprising a shell (1) in which one or more propellers (2) are ducted, said shell (1) being rigidly connected to an axle (5), said propellers (2) being rotatively associated to said shell (1) by suitable coupling means and each of said propellers (2) having the rotor member (18) of a corresponding rotary electric motor associated thereto, the stator member (19) of said electric motor being rigidly connected to said shell (1), so that the rotation of said propellers (2) is rigidly coupled to the rotation of the corresponding rotor member (18), said rotor members (18) and associated stator members (19) being internally housed in the structure of said shell (1).

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