| 摘要 |
PROBLEM TO BE SOLVED: To prevent pollution of electrode pairs and occurrence of pre-ignition by appropriately setting heat values of all electrode pairs in a multipoint ignition device. SOLUTION: The multipoint ignition device comprises: a head gasket 1 interposed between a cylinder head and a cylinder block of an engine, having an opening 3 in a position corresponding to a cylinder opening portion; and a plurality of intermediate members 6 connected respectively to the plurality of electrode pairs 2 and held in the head gasket 1. Respective heat values of the plurality of electrode pairs 2 are set individually by varying the contact area between the plurality of intermediate members 6 and the head gasket 1 according to the respective disposal positions of the plurality of intermediate members 6. COPYRIGHT: (C)2009,JPO&INPIT
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