Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
John T. Streicher0
David W. Siegler0
Jeffrey P. Rivard0
Steven J. Perreault0
Date of Patent
December 25, 2007
0Patent Application Number
115071340
Date Filed
August 21, 2006
0Patent Citations Received
...
Patent Primary Examiner
Patent abstract
An apparatus for the thermal regulation of an AC drive for providing power to a motor includes a temperature sensor producing a signal indicative of temperature, a heater resistor connectable across a DC link of the AC drive, and a first switch. A controller is operable to monitor the temperature signal and control the first switch to provide power via the DC link to the heater resistor if the sensed temperature is below a predetermined setpoint.
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