ideal air-fuel ratio

ideal air-fuel ratio

Dictionary of automotive terms. 2015.

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  • Air-fuel ratio — (AFR) is the mass ratio of air to fuel present during combustion. When all the fuel is combined with all the free oxygen, typically within a vehicle s combustion chamber,the mixture is chemically balanced and this AFR is called the stoichiometric …   Wikipedia

  • Air-fuel ratio meter — An air fuel ratio meter monitors the air fuel ratio of an internal combustion engine. Also called air fuel ratio gauge, air fuel meter, or air fuel gauge. It reads the voltage output of an oxygen sensor, sometimes also called lambda sensor,… …   Wikipedia

  • air-fuel mixture ratio — The ratio by weight of air and fuel in the mixture being sent into the cylinders of a reciprocating engine. Ideally, the ratio should be 15:1. Besides the ideal (stoichiometric) ratio, the air fuel mixture may be rich or lean depending on the… …   Aviation dictionary

  • Fuel injection — Fuel rail connected to the injectors that are mounted just above the intake manifold on a four cylinder engine. Fuel injection …   Wikipedia

  • Fuel cell — For other uses, see Fuel cell (disambiguation). Demonstration model of a direct methanol fuel cell. The actual fuel cell stack is the layered cube shape in the center of the image A fuel cell is a device that converts the chemical energy from a… …   Wikipedia

  • Glossary of fuel cell terms — The Glossary of fuel cell terms lists the definitions of many terms used within the fuel cell industry. The terms in this glossary may be used by fuel cell industry associations, in education material and fuel cell codes and standards to name but …   Wikipedia

  • Fuel saving device — Fuel saving devices are sold on the aftermarket with claims to improve the fuel economy and/or the exhaust emissions of a vehicle. There are numerous different types of device; many purport to optimize ignition, air flow, or fuel flow in some way …   Wikipedia

  • stoichiometric ratio — In a spark ignition engine, the ideal air/fuel mixture ratio of 14.7:1, which must be maintained on engines with dual bed and three way catalytic converters. Also see air ratio …   Dictionary of automotive terms

  • Air flow bench — An air flow bench is a device used for testing the internal aerodynamic qualities of an engine component and is related to the more familiar wind tunnel. Used primarily for testing the intake and exhaust ports of cylinder heads of internal… …   Wikipedia

  • Compression ratio — For compression ratio in data compression, see data compression ratio. The compression ratio of an internal combustion engine or external combustion engine is a value that represents the ratio of the volume of its combustion chamber from its… …   Wikipedia

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