Shimizu Construction Co., Ltd.

Tokyo Roki Co., Ltd.

Fumio Sato

Hiroshi Harada

Yoshiyuki Iwasawa

Nobutaka Koibuchi

Mitsuo Kurihara

Apparatus for removing black fumes from exhaust gas from an internal combustion engine includes a filter mounted on an exhaust pipe of the engine. The filter includes a body defining a filter chamber and a filter element mounted within the filter chamber for collecting carbon particles constituting the black fume. A solution dispersing device is provided for dispersing a solution of catalyst to the exhaust gas in the filter chamber at a position upstream of the filter element to cause the oxidation of the carbon particles collected in the filter element to remove them therefrom. There is also disclosed a method of removing black fume from exhaust gas from the internal combustion engine.

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Kawasaki, Japan

Fumio Sato