MINUTE CARBON PARTICLE PURIFYING APPARATUS FOR ENGINE

Japanese Patent JPS5985415

A

PURPOSE:To purify exhaust gas by arranging an electrical heater onto the dust collecting electrode of an electrical dust collector for catching carbon minute particles which is installed in the exhaust passage of an engine and combusting said carbon minute particles attached and caught by the electrical heater. CONSTITUTION:An electrical dust collector 3 for collecting the minute carbon particles in exhaust gas is arranged in the exhaust passage 2 of an engine 1, and an electrical heater 4 on the inner peripheral surface serving as a collector and disk-shaped discharge electrodes 5, 5a, and 5b at equal intervals in the direction of axis are arranged. High voltage in applied from a high voltage electric source 6 to an electric heater 4 and discharge electrode 5, and minute carbon particles are collected onto the electrical heater 4. When the amount of carbon particles piled-up increases, arc discharge is generated between discharge electrodes 5, 5a, and 5b, and when arc discharge is detected by a spark discharge detector 7, an electronic controller 10 closes a solenoid switch 8, and electric current flows from a battery 9 to the electrical heater 4, which is heated to combust the minute carbon particles.

KUME SATOSHI
ASAYAMA YOSHIAKI

JP19504982A

May 17, 1984

November 04, 1982

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MITSUBISHI MOTORS CORP
MITSUBISHI ELECTRIC CORP

F01N3/02; F01N3/01; (IPC1-7): F01N3/02

Shinichi Kusano

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