초록

An oil burner with a combustion chamber has a microwave energy source connected to the fuel supply line to heat the fuel and connected to the air supply line to apply an electric field at the nozzle to the fuel spray and the area of combustion in the combustion chamber.

대표청구항 ▼

A system for preheating fuel for use with a hydrocarbon fuel burner having a combustion chamber, electricall conductive tubular fuel carrying means for carrying fuel to said combustion chamber, said tubular fuel carrying means terminating in a nozzle, air supply means terminating at said nozzle, to

A system for preheating fuel for use with a hydrocarbon fuel burner having a combustion chamber, electricall conductive tubular fuel carrying means for carrying fuel to said combustion chamber, said tubular fuel carrying means terminating in a nozzle, air supply means terminating at said nozzle, to create at said nozzle a fuel vapor and air mixing region, and combustion ignition means in said fuel and air mixing region for igniting said fuel vapor for combustion in said chamber, said system comprising means for generating electromagnetic energy at microwave frequency, and means for electrically coupling said generating means to said electrically conductive tubular fuel carrying means to create a microwave electric field within said tubular fuel carrying means to heat said fuel.