Cold start system and start method for flexible fuel vehicle
A flexible fuel, cold start technology, applied in the charging system, fuel heat treatment device, engine starting and other directions, can solve the problems of fuel overheating, long heating time, high emissions, etc., to reduce power consumption and reduce warm-up time , the effect of saving production costs
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[0044] The cold start system includes fuel tank, heater, cold start signal light, preheating power module, water temperature sensor and engine fuel injector with heating function.
[0045] Such as Figure 5 As shown, the fuel preheating device is integrated with the engine injector, the preheating power module, the cold start signal light, the battery, and the key switch are connected in series in one circuit, and the engine electronic control unit ECU judges whether it is necessary to activate the device. When the temperature fed back by the water temperature sensor is below -15°C, the ECU will turn on and start the corresponding control strategy. When the key switch is turned off, the circuit is turned on, and the engine fuel injector with heating function will use the electric energy of the battery to raise its temperature above 180°C within 5 seconds, so that the injected fuel reaches 110°C and heats the air in the cylinder. To achieve the purpose of smooth ignition at l...
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