Overvoltage recovery circuit and a controller and HVAC system including the same

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United States of America Patent

PATENT NO 9689582
SERIAL NO

14683642

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Abstract

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An overvoltage recovery circuit (ORC), a controller for an HVAC system and an HVAC system are disclosed herein. In one embodiment, the ORC includes: (1) a first supply voltage terminal connected to a first voltage supply, (2) a second supply voltage terminal connected to a second voltage supply, (3) interruption circuitry including a switch and a trip terminal connected to the second supply voltage terminal and (4) detection circuitry connected to the first supply voltage terminal and the switch of the interruption circuitry, the detection circuitry configured to operate the switch in response to an overvoltage condition at the first supply voltage terminal.

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Patent Owner(s)

Patent OwnerAddress
LENNOX INDUSTRIES INC2100 LAKE PARK BLVD RICHARDSON TX 75080

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Curry, Jimmie Carrollton, US 6 106

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