Apparatus and method for controlling electromagnetic clutches and the like
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United States of America Patent
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Oct 28, 1986
Grant Date -
N/A
app pub date -
Oct 11, 1984
filing date -
Oct 11, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
To energize an electromagnetic clutch or other electromagnetic device having a movable armature, a voltage is applied across the coil of the device to cause an initial current to flow therethrough. A current dip upon initial movement of the armature is detected, and in response, a substantially linearly increasing current is applied to the coil, establishing a controlled movement of the armature.
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