Gas oven with oxygen supply means
 A gas oven includes a gas valve having a rotor plug rotatably held within a valve body of the gas valve, an oxygen supply system fluidically connected with the gas valve for directing oxygen into the valve for adjusting an oxygen stream flowing into a gas stream through the valve for helping a complete gas combustion in the gas oven to prevent the production of poisonous carbon. 
F
F24C
inventional
Che-Yuan
Chang