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Blower motor for HVAC systems

  • US 8,294,393 B2
  • Filed: 09/08/2008
  • Issued: 10/23/2012
  • Est. Priority Date: 09/08/2008
  • Status: Active Grant
First Claim
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1. A method for determining proper rotation direction of a reversible motor, the method comprising:

  • operating the motor to rotate a fan in a first direction;

    monitoring an operating parameter of the motor while the fan is rotated in the first direction;

    determining if the monitored operating parameter is within an acceptable range;

    determining that the first direction of rotation is not the proper rotation direction where the monitored operating parameter is not within the acceptable range; and

    operating the motor to rotate the fan in a second direction if the monitored operating parameter is not within the acceptable range.

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