Toyota Jidosha Kabushiki Kaisha

Kabushiki Kaisha Toyota Chuo Kenkyusho

Tomoji Ishiguro

Hiromichi Yanagihara

Yoshimi Kizaki

A process for burning fuel includes the following steps: burning a fuel; putting an inner shell formed in a course of soot formation into contact with other components in a combustion gas to promote a chemical reaction of the other components in the combustion gas prior to the formation of an outer shell; and at the same time, inhibiting the formation of the outer shell around the inner shell. By this process, the discharged NO.sub.x gas is reduced and the amount of discharged soot is decreased.

Process of fuel combustion

The process and apparatus for reducing soot in soot-containing gases, such as exhaust gases from a Diesel engine, by applying thereto an alternating or pulsating voltage to promote oxidation of soot and to change the character of soot. The resultant gas may be contacted with active medium, such as a heated net of metal or an oxidation catalyst, to oxidize the remaining soot.

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Nagoya, Japan

Tomoji Ishiguro