| 摘要 |
mechanical engineering; carburetor engines. SUBSTANCE: economizer system consists of main-line gas electromagnetic valve, pressure regulator electromagnetic valve, gasoline electromagnetic valve, idling system electromagnetic valve, control unit, kind-of-fuel selector, relay and pilot lamp. With selector set for operation on gas, control unit controls operation of pressure regulator electromagnetic valve through relay. EFFECT: reduced toxicity of exhaust gases and consumption of gas. 1 dwg
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