Internal combustion engine exhaust on-line measurement and diagnosis method and equipment
An internal combustion engine and exhaust gas technology, which is applied in the direction of internal combustion engine testing, measuring devices, instruments, etc., can solve the problems of complex structure, not easy operation, difficult to quickly measure the qualification of products, etc., and achieve the effect of improving speed and reliability.
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[0032] In order to further explain the technical means and effects of the present invention to achieve the intended purpose of the invention, the specific implementation methods, steps, and procedures of the method and equipment for online internal combustion engine exhaust gas measurement and diagnosis according to the present invention will be given in conjunction with the accompanying drawings and preferred embodiments. Detailed description of structure, characteristics and effects.
[0033] See figure 1 Shown is a schematic diagram of the relationship between the air-fuel ratio of the combustible mixture of internal combustion engines and carbon monoxide, hydrocarbons, and nitrogen oxides. (Excerpt from John B. Heywood: "Internal Combustion Engine Foundmentals", McGraw-Hill, 1988). When other input parameters remain unchanged, the air-fuel ratio of the combustible mixture of internal combustion engines (the ratio of air mass to fuel mass, or expressed as excess air coefficien...
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