Starting device for electric motors
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United States of America Patent
Stats
-
May 15, 2012
Grant Date -
Mar 4, 2010
app pub date -
Sep 1, 2009
filing date -
Sep 2, 2008
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Starting device for electric motors provides a circuit including: a first branch connected at one end to a common point and at the opposite end to the start winding of the motor, whereon a starting capacitor, a resistor and fixed contacts of a relay are inserted in series respectively; a second branch in parallel with the first branch, connected at one end to the common point and at the opposite end to the main or run winding of the motors whereon the coil of the relay is inserted; a third branch in parallel with the branches and, connected at one end to the common point and at the opposite end to the start winding of the motor, whereon a run capacitor is installed, this common point being connected to the common connector of the motor via the power supply line.
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