Timing apparatus having a gear incorporating a timing ring and method of manufacturing the same
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Apr 15, 2003
Grant Date -
Jan 31, 2002
app pub date -
Apr 20, 2001
filing date -
Apr 25, 2000
priority date (Note) -
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Abstract
A timing apparatus comprises a gear, for example a camshaft gear, and a timing ring secured to one side of the gear. The timing ring has a number of equally spaced timing teeth which when used with a sensor provide information about the rotation of the gear. The gear has a generally cylindrical recess on one face of the gear, and the timing ring is secured within the recess. The timing teeth are arranged radially inwardly of the gear teeth, so that the timing teeth are protected from damage. The resulting timing apparatus is economic to manufacture and facilitates compact adaption to a rotating body of an engine.
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