Exhaust ventilation control system

Details Exhaust ventilation control system Exhaust ventilation control system

1990-10-11

1992-08-18

Jones, Larry

Stoves and furnaces

Stove hoods

126299D, 454 67, F24C 1520

Patent

active

051390094

ABSTRACT:
An exhaust ventilation control system for use with a ventilation system located at a cooking station and having one or more exhaust fans for exhausting air containing cooking by-products from the cooking station to an external environment, can alter operation of the exhaust fans to match the exhaust requirements to the cooking load. The exhaust ventilation control system includes an exhaust control connected to the exhaust fans for controlling operation of the exhaust fans in response to operation of the cooking areas. The exhaust control requires monitoring of a cooking area for determining which of the one or more cooking areas is in operation, a power control circuit responsive to the cooking are a monitor for controlling power supplied to the exhaust fan motors, and a timed switch operable in response to the power control circuit to switch to a variety of positions, depending on the number of cooking areas in operation.

REFERENCES:
patent: 2182106 (1939-12-01), Ames
patent: 3690245 (1972-09-01), Ferlise
patent: 4105015 (1978-08-01), Isom
patent: 4121199 (1978-10-01), Young
patent: 4352349 (1982-10-01), Yoho
patent: 4825848 (1989-05-01), Macias
patent: 4887587 (1989-12-01), Deutsch
patent: 4903685 (1990-02-01), Melink

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