Structure and production process for secondary voltage detector

Details Structure and production process for secondary voltage detector Structure and production process for secondary voltage detector

1995-10-30

1998-01-20

Karlsen, Ernest F.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

Apparatus for coupling a measuring instrument to an ignition...

324390, 29749, 29755, F02P 1700

Patent

active

057105120

ABSTRACT:
A detector for detecting a secondary voltage supplied to a spark plug of an engine comprises a rubber tube mounted on a high tension cord and equipped with a detecting electrode, and a shield case or shield layer enclosing the rubber tube. The rubber tube is made up of first and second semicylindrical rubber members joined together into a tubular shape. The detecting electrode is U-shaped and has a middle portion embedded in the first rubber member and left and right ends which project, respectively, from left and right joint surfaces of the first rubber member, and are sheathed in grooves in left and right joint surfaces of the second rubber member. A lead wire is connected to one of the left and right projecting ends of the detecting electrode. This structure of the secondary voltage detector can facilitate the production process.

REFERENCES:
patent: 5307017 (1994-04-01), Maruyama
patent: 5317268 (1994-05-01), Maruyama
patent: 5438269 (1995-08-01), Maruyama
patent: 5453694 (1995-09-01), Miyata
patent: 5461316 (1995-10-01), Maruyama

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