Title:
IGNITION COIL
Document Type and Number:
WIPO Patent Application WO/2023/218611
Kind Code:
A1
Abstract:
In this ignition coil 2, a protector 16 comprises: a head 28 exposed to the exterior of an internal combustion engine 4; and a barrel 30 that extends downward from a bottom surface of the head 28 and is inserted into a plug hole 6 of the internal combustion engine 4. Provided to this ignition coil 2 is an airway 64 that links the exterior and the plug hole 6 of the internal combustion engine 4. Taking as a reference direction the direction that is perpendicular to a central axis Lf of a mounting hole 20 of a flange section 14 and that goes from the central axis Lf of the mounting hole 20 toward a central axis Lp of the protector 16, a first opening 50 of the airway 64 is provided in a region which is on either an outer surface of a coil assembly 8 or an outer surface of the head 28, located below the flange section 14. The region: extends in the up/down direction; has a centerline, viewed from the reference direction, that overlaps with the central axis Lf of the mounting hole 20; and has a width, viewed from the reference direction, that is the same as that of the mounting hole 20.
Inventors:
KOSHIBA HAYATO
Application Number:
PCT/JP2022/020097
Publication Date:
November 16, 2023
Filing Date:
May 12, 2022
Export Citation:
Assignee:
DIAMOND&ZEBRA ELECTRIC MFG CO LTD (JP)
International Classes:
H01T13/04
Foreign References:
| JP2006242123A | 2006-09-14 | |||
| JP2015090871A | 2015-05-11 |
Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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