Ignition test probe

Details Ignition test probe Ignition test probe

1990-04-16

1991-03-19

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

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

324384, 324395, 324399, 731173, F02D 1700

Patent

active

050014323

ABSTRACT:
A self-contained handheld peak ignition breakdown voltage probe locates faulty sparkplugs in an internal combustion engine. The probe has a novel dual-polarity detection system suitable for all ignition systems, distributorless or distributor types. Each nanosecond peak breakdown ignition event is signalled by a high-intensity LED lamp lit for a fixed period of time. An adjustable calibrated threshold level provides precise control of acceptance level. Other problems such as cabling, plug gap, and relative compression may also be inferred. The simple arrangement of integrated circuits provides a novel and useful tool for locating ignition problems.

REFERENCES:
patent: 3711767 (1973-01-01), Campbell, Jr. et al.
patent: 3763421 (1973-10-01), Glomski
patent: 4041373 (1977-08-01), Maringer
patent: 4349782 (1982-09-01), Doss
patent: 4783991 (1988-11-01), Wixon
patent: 4825167 (1989-04-01), Bayba

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