| 摘要 |
PROBLEM TO BE SOLVED: To provide an engine automatic cleaning device capable of removing dirt of carbon or the like adherent to suction and exhaust valves or the inside of a combustion chamber by injecting automatically cleaning liquid to the inside of the engine when cleaning is required during operation of an engine. SOLUTION: The engine automatic cleaning device comprises a tank 3 for storing the cleaning liquid, a nozzle 5 for injecting the cleaning liquid to the inside of a suction pipe 4 of the engine 2, a pump 8 for injecting the cleaning liquid from the tank 3 side to the nozzle 5 side, which is provided on a a passage for supplying the cleaning liquid from the tank 3 to the nozzle 5, a motor for driving the pump 8, a rotation detecting means for detecting rotation of the engine 2, and a control means for driving the motor only for a specified time when an integrated value of the number of rotation of the engine 2 detected by the rotation detecting means reaches a prescribed value. COPYRIGHT: (C)2004,JPO
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