Ignition spark tester

Details Ignition spark tester Ignition spark tester

2006-10-31

2006-10-31

Nguyen, Vincent Q. (Department: 2858)

Electricity: measuring and testing

Internal-combustion engine ignition system or device

In situ testing of spark plug

C324S400000

Reexamination Certificate

active

07129705

ABSTRACT:
A device for testing the functioning in an internal combustion engine of spark plugs which are recessed within the cylinder head. Connection to the recessed spark plugs can be accomplished by an elongated device shaped to fit within and extend beyond the spark plug recess, preferably with a secure frictional fit within that recess and preferably designed with portions of different diameters so that, by inverting, the unit can be used with cylinder head recesses with a wide range of internal diameters. The device may, if desired, carry a shield member adapted when the device is in use to cover the exposed top of the recess, thereby to prevent foreign material from entering the recess while ignition system testing is carried out. The device may be readily combined with other devices to constitute a kit of virtually unrestricted testing capacity.

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patent: 6817872 (2004-11-01), Berg
patent: 2004/0182137 (2004-09-01), Kang
S&G Prior Art.

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