IGNITION COIL FOR INTERNAL COMBUSTION ENGINE - HITACHI AUTOMOTIVE SYSTEMS LTD

Title:

IGNITION COIL FOR INTERNAL COMBUSTION ENGINE

Document Type and Number:

WIPO Patent Application WO/2012/121177

Kind Code:

A1

Abstract:

Provided is an ignition coil for an internal combustion engine, the ignition coil having high waterproof performance which prevents water from entering a plug hole and also having high water discharge performance. A high-voltage generation section (3) for generating a high voltage is housed within a coil case (4). A plug hole seal (5) is provided in order to close the opening of a plug hole (2) in which an ignition plug (21) is mounted. The ignition coil is also provided with a space section (6) which is provided on the outer side of the high-voltage generation section (3), and an air passage (9) through which air flows between the space section (6) and the plug hole (2). The lower surface of the space section (9) is open (the entire lower surface is open to facilitate die removal).

Inventors:

TAKAHASHI MAKIO (JP)
KOBAYASHI TAKANOBU (JP)
ANZO YOICHI (JP)
MORIYA GAKUJI (JP)
KURAHASHI MAKOTO (JP)

Application Number:

PCT/JP2012/055474

Publication Date:

September 13, 2012

Filing Date:

March 02, 2012

Export Citation:

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Assignee:

HITACHI AUTOMOTIVE SYSTEMS LTD (JP)
HONDA MOTOR CO LTD (JP)
TAKAHASHI MAKIO (JP)
KOBAYASHI TAKANOBU (JP)
ANZO YOICHI (JP)
MORIYA GAKUJI (JP)
KURAHASHI MAKOTO (JP)

International Classes:

F02P15/00; H01F38/12

Foreign References:

JP2008060188A	2008-03-13
JPH09158820A	1997-06-17
JP2008060228A	2008-03-13
JP2007303401A	2007-11-22
JP2006242123A	2006-09-14
JP2008060228A	2008-03-13

Other References: