| 摘要 |
Device making it possible to prevent the detonation phenomenon in internal combustion engines by the use of two fuels with a different octane number each one supplying a carburetter C1 and C2, the carburetter C1 being controlled directly by the accelerator T, the carburetter C2 being controlled in a different way. The carburetted mixture of the two fuels in the intake pipe P constitutes a carburetted mixture with a variable octane number. Provision is made for the opening of the carburetter C2 to be able to be activated by a servo motor S slaved to the variation in depression prevailing in the intake pipe P. <IMAGE>
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