Infrared sensor for hot tub spa heating element
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Mar 12, 2002
Grant Date -
N/A
app pub date -
May 31, 2000
filing date -
May 31, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An overheating protection system for a spa and the spa's associated equipment. Elements include: a heating element for heating the spa's water, an infrared sensor for detecting the amount of infrared radiation emitted by the heating element, a heating element deactivation device electrically connected to the heating element and the infrared sensor, wherein the heating element deactivation device is for deactivating the heating element. In a preferred embodiment, the heating element deactivation device is an electric circuit comprising a comparator circuit and a control circuit.
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