F - Mech Eng,Light,Heat,Weapons – 23 – N
Patent
F - Mech Eng,Light,Heat,Weapons
23
N
F23N 1/00 (2006.01) F23N 5/10 (2006.01)
Patent
CA 2392561
An apparatus for and method for controlling the gas supply of a gas appliance. The gas appliance has a main burner with a main valve controlled by a linear actuator. A stepper motor positions the linear actuator under control of a microprocessor. The stepper motor and microprocessor are powered from a thermopile having its output converted to the appropriate voltages by a DC-to- DC converter. Changes in valve position permit changes of fuel type and flame intensity.
L'invention concerne un dispositif et un procédé destinés à réguler l'alimentation en gaz d'un appareil à gaz. L'appareil à gaz comprend un brûleur principal pourvu d'une soupape principale commandée par un actionneur linéaire. Un moteur pas-à-pas commandé par un microprocesseur positionne l'actionneur linéaire. Le moteur pas-à-pas et le microprocesseur sont alimentés par une pile thermoélectrique dont la sortie est transformée en tension appropriée par un transformateur continu-continu. Les changements de position de la soupape permettent de changer le type de combustible et l'intensité de la flame.
Gowling Lafleur Henderson Llp
Honeywell Inc.
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