Automobile gasoline and alcohol dual-fuel supply control method and system and fixing cushion block

A technology of alcohol fuel and control method, which is applied in the direction of engine control, fuel injection device, charging system, etc., can solve the problems of high vehicle modification cost, high vehicle operation cost, and high fuel cost, so as to save operating cost and make transformation difficult Minimize, improve the effect of ease of use
CN102953847BInactive Publication Date: 2015-06-24林长军
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
林长军
Publication Date
2015-06-24
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to the field of engine dual fuels, in particular to an automobile gasoline and alcohol dual-fuel supply control method and system and a fixing cushion block. After an engine is started, when the temperature of an engine body reaches the combustion temperature of the alcohol fuel, a gasoline spraying nozzle is automatically closed by an additional alcohol ECU (electronic control unit), an alcohol spraying nozzle is opened, and a gasoline spraying pulse width signal generated by a gasoline ECU is intercepted and is converted into an alcohol spraying pulse width signal according to the conversion ratio of the gasoline fuel to the alcohol fuel. When the amount of the fuel needed by the current load of the engine exceeds the maximum alcohol spraying amount or the alcohol fuel is totally consumed, the alcohol spraying nozzle is automatically closed by the alcohol ECU, the gasoline spraying nozzle is opened, and the engine continuously uses the gasoline fuel. On the premise of not losing the automobile property, the alcohol fuel is fully used, the cost of the automobile fuel is saved, the retrofit cost of the automobile is reduced, the retrofit difficulty is reduced, the loss of the engine is reduced, the environment pollution is reduced, and the automobile safety is improved.
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Description

Technical field

[0001] The invention relates to the field of fuel supply for automobile engines, in particular to a method for controlling the dual fuel supply of automobile gasoline and alcohol. Background technique

[0002] With the sustained rapid economic development, China has become the world's second largest oil consumer and a pure oil importer. Excessive dependence on imported oil will inevitably restrict the sustainable development of China's economy and pose a threat to China's energy security. Substituting alcohol fuel for fuel in automobiles can not only improve my country's energy consumption structure, reduce fuel consumption costs, and reduce air pollution, but also reduce my country's over-reliance on imported oil.

[0003] Existing alcohol fuel supply requires complicated modification of existing vehicles, which is costly, and can only use a mixture of alcohol and gasoline as fuel, which is detrimental to automobile engines. Summary of the invention

[0004] The t...

Claims

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