Anti-kickback and breakthrough torque control for power tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 12, 2002
Issued Date -
N/A
app pub date -
Oct 22, 1996
filing date -
Jan 6, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A rapid increase in motor current (di/dt above a predetermined threshold) causes the motor control system to enter pulse mode operation in-which the motor current is pulsed on and off rapidly to dislodge the workpiece obstruction or binding condition that would otherwise lead to a motor stall. When the workpiece obstruction or binding has been cleared, the motor resumes normal operation.
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Family
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Cited Art Landscape
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