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US 7,023,214 B2Granted
Sensor for ignition timing device
AssigneeJeffrey E. Thomsen
InventorsJeffrey E. Thomsen, Richard L. Clements
Life of this patent
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Abstract
A variable reluctance sensor for use with an ignition timing device includes a support tube insertable in a bore extending from a first end to a second end. A sensor housing is insertable in the bore, while a variable reluctance probe is disposed in the sensor housing.
Claims12
A combination comprising:
- Harley Davidson type engine having a timing port in a crankcase and a timing mark indicative of a position of a movable member viewable through the timing port, wherein the timing port includes threads;
- and
- a sensor assembly threadably secured in the timing port and adapted to provide a timing mark signal indicative of presence of the timing mark.
A method of preparing a Harley Davidson type engine for checking the ignition timing thereof, the engine having a timing port in a crankcase and a timing mark indicative of a position of a movable member viewable through the timing port, wherein the timing port includes threads, the method comprising:
- securing a support tube proximate the timing port;
- and
- inserting a sensor assembly into the support tube housing and adjustably securing the sensor assembly to the support tube where a sensor is positioned to detect presence of the timing mark through the timing port.
Dependencies are inferred from the claim text.