Sensing arrangement for measuring the rotational speed of a rotatable shaft having a crank
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United States of America Patent
Stats
-
Jul 24, 1990
Grant Date -
N/A
app pub date -
May 11, 1989
filing date -
May 11, 1988
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An L-shaped scanning ring, which is constructed as a simple stamped metal part, can be mounted at a crankshaft web of a crankshaft after installation of the crankshaft. The scanning ring rests against the crankshaft web with both legs and, on one of the legs, carries a toothing which inductively cooperates with a stationary sensor mounted in the crankcase. The ring has a radially extending gap and, as a result, can be bent open so far that it can easily be fitted over the crankshaft. As a result of the subsequent bending-together, the scanning ring rests form-fittingly against the crankshaft web and is protected from twisting by means of pins.
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Cited Art Landscape
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