Heating device having a secondary safety circuit for a fuel line and method of operating the same

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 9228746
APP PUB NO 20070281257A1
SERIAL NO

11421141

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A secondary safety circuit for a gas-fired device and method of operating the circuit. The secondary safety circuit includes a low-voltage direct current power source, a valve, and at least one sensor. The valve can be positioned in a pilot burner gas line. The secondary safety circuit ensures the valve is closed upon detecting an unsafe condition with the sensor.

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Patent Owner(s)

  • AOS HOLDING COMPANY

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hughes, Dennis R Hartford, US 27 380
Lee, Hyungsik Mequon, US 10 49

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