Electric lamp or space discharge component or device manufacturi – Process – Spark plug or spark gap making
Patent
1993-11-09
1995-02-21
Ramsey, Kenneth J.
Electric lamp or space discharge component or device manufacturi
Process
Spark plug or spark gap making
324402, 324126, F02P 1700
Patent
active
053911008
ABSTRACT:
A method of manufacturing a spark plug cap covering a spark plug for an internal combustion engine, equipped with an ignition voltage detective capacitor having a first conductor housed in a cap body for carrying an ignition voltage produced by an ignition coil to the spark plug and a second conductor located keeping a predetermined distance from the first conductor while sandwiching an insulative material such that the capacitor is formed between the first and second conductors for detecting the ignition voltage. The method comprises separately fabricating said insulative body and a member from the insulative material embedding said second conductor therein and fixing the member at said insulative body such that said detective capacitor is formed. The second conductor may be formed in the shape of a plate to be wound around the cap body.
REFERENCES:
patent: 3538440 (1970-11-01), Galloway
patent: 4041373 (1977-08-01), Maringer
patent: 4052665 (1977-10-01), Gruenwald
patent: 4825167 (1989-04-01), Bayba
patent: 5145433 (1992-09-01), Yagi et al.
Akiyama Eitetsu
Baba Shigeki
Hisaki Takashi
Ishioka Takuji
Kanehiro Masaki
Honda Giken Kogyo Kabushiki Kaisha
Ramsey Kenneth J.
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