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Class 123/169CA - Compound insulation


Subclass of Class 123 - Internal-combustion engines
No. of patents: 2
Last issue date: 11/02/2004


NumberTitleIssue Date
6810868Ignition coil for internal combustion engine
An ignition coil has an outer coil unit, an inner coil unit, a coil case in which the outer and inner coil units are housed and a tower case accommodating lower parts of outer and inner spools. The outer spool is made of resin material whose bonding strength to resi...
11/02/2004
4870319Spark plug with creepage spark gap
A spark plug with creepage spark gap for internal combustion engines includes a plug housing having an annular side electrode, an insulator, surrounded by the plug housing over a longitudinal section, and a central electrode. The layer lies in a through-b...
09/26/1989
 
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