Two degrees of control through pulse width modulation interface

Number of patents in Portfolio can not be more than 2000

United States of America

PATENT NO 12231066
APP PUB NO 20230015020A1
SERIAL NO

17862953

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method of operating a heating, ventilation, and air conditioning (HVAC) system including: transmitting, using an equipment control board, an operation request in a pulse width modulation (PWM) signal to an electronically commutate motor (ECM) controller of a blower motor, wherein the operation request includes a switching period command configured to vary a switching period of the PWM signal; operating the blower motor in accordance with the operation request by varying the switching period of the PWM signal; detecting a parameter of the blower motor for each of a plurality of switching periods as the switching period varies; and mapping the parameter of the blower motor for each of the plurality of switching periods.

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Patent Owner(s)

  • CARRIER CORPORATION

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Arnedo, Luis South Glastonbury, US 17 17
Blake, Jonathan Newington, US 10 32
Smyth, Michael S Andrews, US 5 173

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