(19)
(11) EP 0 704 621 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
15.05.1996 Bulletin 1996/20

(43) Date of publication A2:
03.04.1996 Bulletin 1996/14

(21) Application number: 95115292.5

(22) Date of filing: 28.09.1995
(51) International Patent Classification (IPC)6F02P 17/12, F02P 15/08, F02P 7/02
(84) Designated Contracting States:
DE ES FR GB SE

(30) Priority: 30.09.1994 IT TO940766

(71) Applicant: MAGNETI MARELLI S.p.A.
I-20145 Milano (IT)

(72) Inventor:
  • De la Pierre, Piero
    I-10014 Caluso (Torino) (IT)

(74) Representative: Quinterno, Giuseppe et al
c/o JACOBACCI & PERANI S.p.A. Corso Regio Parco, 27
I-10152 Torino
I-10152 Torino (IT)

   


(54) Synchronisation device without a cam-position sensor for an internal combustion engine


(57) A method for generating a synchronising signal over 720° for an internal combustion engine without the use of a cam sensor but with the use of alternative strategies, for example, by detecting the duration of the spark in a reference cylinder or the correlation of the engine acceleration with the throttle valve angle.





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