Kitchen exhaust optimal temperature span system and method

Details Kitchen exhaust optimal temperature span system and method Kitchen exhaust optimal temperature span system and method

2006-05-23

2006-05-23

Jiang, Chen Wen (Department: 3744)

Automatic temperature and humidity regulation

Ventilator type

Electrically actuated

C454S061000, C126S29900R, C126S29900R

Reexamination Certificate

active

07048199

ABSTRACT:
An exhaust control system (72) for a commercial or institutional kitchen exhaust system (32) is disclosed in which the exhaust fan speed is optimized for the amount of cooking heat and cooking by-product generated by the cooking units, as well as for comfort in the kitchen (12). Kitchen comfort is determined by sensing temperature, humidity, noxious gases, smoke, odor, or some combination thereof. In particular, exhaust air temperature can be used by the control system (72) to modulate fan speed from a minimum value to a maximum value based on the minimum and maximum temperatures that define a particular temperature span. During operation, the control system (72) continues to monitor environmental parameters of the kitchen (12) to determine if the current temperature span provides optimal performance. Upon determining that the current temperature span is no longer the optimal one, the control system (72) operates the exhaust system (32) according to a different temperature span.

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patent: 6481635 (2002-11-01), Riley et al.

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