Apparatus and method for adjusting spark gap of spark plug

Details Apparatus and method for adjusting spark gap of spark plug Apparatus and method for adjusting spark gap of spark plug

2005-05-17

2005-05-17

Bradley, P. Austin (Department: 2833)

Electric lamp or space discharge component or device manufacturi

Process

Spark plug or spark gap making

Reexamination Certificate

active

06893310

ABSTRACT:
A spark plug gap adjustment system is provided which is designed to adjust a spark gap between a ground electrode and a center electrode installed in a spark plug to a target value. The system determines the position of the ground electrode in a given coordinate system to calculate a target distance required to move an end of the ground electrode toward an end of the center electrode for bringing the spark gap into agreement with the target value and moves the ground electrode under pressure by the target distance to define a desired spark gap. This achieves the spark gap adjustment precisely at high speeds.

REFERENCES:
patent: 4465952 (1984-08-01), Sato et al.
patent: 5741963 (1998-04-01), Nakatani et al.
patent: 6193575 (2001-02-01), Nakatani
patent: A-2000-200670 (2000-07-01), None

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