(19)
(11) EP 2 020 714 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
21.12.2011 Bulletin 2011/51

(43) Date of publication A2:
04.02.2009 Bulletin 2009/06

(21) Application number: 07021927.4

(22) Date of filing: 12.11.2007
(51) International Patent Classification (IPC): 
H01T 13/46(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 MT NL PL PT RO SE SI SK TR
Designated Extension States:
AL BA HR MK RS

(30) Priority: 01.08.2007 JP 2007200420
06.08.2007 JP 2007203846

(71) Applicant: Miyama, Inc.
Nagano-shi, Nagano (JP)

(72) Inventor:
  • Minami, Katsuaki
    Nagano-shi Nagano (JP)

(74) Representative: Hager, Thomas Johannes et al
Hoefer & Partner Patentanwälte Postfach 14 03 29
80453 München
80453 München (DE)

   


(54) Multipoint ignition device


(57) A plurality of electrode pairs (P1 to P8) are caused to project from a side wall of a combustion chamber (2) of an engine, and a distance between ignition gaps (G1 to G8) and the side wall of the combustion chamber (2) is varied according to the positions of the plurality of electrode pairs (P1 to P8).







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