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ELECTRICALLY COMMUNTATED MOTOR WITH DATA COMMUNICATION DEVICE

  • US 20110140644A1
  • Filed: 12/13/2010
  • Published: 06/16/2011
  • Est. Priority Date: 12/11/2009
  • Status: Active Grant
First Claim
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1. An electronically commutated motor (ECM) comprising:

  • windings;

    a power switch configured to provide pulse width modulated (PWM) power signals to the windings, wherein the power switch is configured to generate substantial electromagnetic noises during its switching operation;

    an infrared transceiver configured to communicate with an external device using infrared signals and configured to convert electrical signals from and to infrared signals that carry data;

    an electromagnetic shield configured to substantially shield the infrared transceiver from the electromagnetic noises from the power switch; and

    a housing enclosing the windings, the power switch, and the infrared transceiver.

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