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公开(公告)号：EP2377214B1
公开(公告)日：2017-08-16
申请号：EP10729670.9
申请日：2010-01-12
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公开(公告)号：EP2377214A2
公开(公告)日：2011-10-19
申请号：EP10729670.9
申请日：2010-01-12
摘要： This invention provides a corona discharge fuel igniter system and methods for igniting fuel in an internal combustion engine. A ceramic dielectric material is provided that significantly increases the efficiency of corona discharge to ignite the fuel in an internal combustion engine.
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公开(公告)号：EP2156528A2
公开(公告)日：2010-02-24
申请号：EP08755640.3
申请日：2008-05-16
发明人： HOFFMAN, John, W.
IPC分类号： H01T13/20
摘要： A spark plug (10) includes an intermediate connecting pin (54) disposed in the central passage (28) of an the insulator body (12). The connecting pin (54) seats in an intermediate taper section (72) within the central passage (28), which is generally frustoconical and establishes a transition between a first larger diameter of the central passage (28) and a second smaller diameter. The intermediate tapered section (72) is located longitudinally above a filleted transition (26) feature of the insulator body (12) exterior. A pin head (53) of the connecting pin (54) has a complementary tapered under-cut and seats against the intermediate tapered section (72) to provide self-centering of the connecting pin (54) without trapping gas during the assembly process. The intermediate taper section (72) also provides an increase in insulator wall thickness which improves dielectric capacity and structural integrity of the insulator (12).
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