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  2. Inductive discharge ignition - Wikipedia

    en.wikipedia.org/wiki/Inductive_discharge_ignition

    Inductive discharge ignition systems were developed in the 19th century as a means to ignite the air–fuel mixture in the combustion chamber of internal combustion engines. The first versions were low tension coils , then low-tension and in turn high-tension magnetos , which were offered as a more effective alternative to the older-design hot ...

  3. Forced induction - Wikipedia

    en.wikipedia.org/wiki/Forced_induction

    This is achieved by compressing the intake air, to increase the mass of the air-fuel mixture present within the combustion chamber. A naturally aspirated engine is limited to a maximum intake air pressure equal to its surrounding atmosphere ; however a forced induction engine produces "boost", [ 3 ] whereby the air pressure is higher than the ...

  4. Naturally aspirated engine - Wikipedia

    en.wikipedia.org/wiki/Naturally_aspirated_engine

    Typical airflow in a four-stroke engine: In stroke #1, the pistons suck in (aspirate) air to the combustion chamber through the opened inlet valve.. A naturally aspirated engine, also known as a normally aspirated engine, and abbreviated to N/A or NA, is an internal combustion engine in which air intake depends solely on atmospheric pressure and does not have forced induction through a ...

  5. Ignition system - Wikipedia

    en.wikipedia.org/wiki/Ignition_system

    As batteries became more common in cars (due to the increased usage of electric starter motors), magneto systems were replaced by systems using an induction coil.The 1886 Benz Patent-Motorwagen and the 1908 Ford Model T used a trembler coil ignition system, whereby the trembler interrupted the current through the coil and caused a rapid series of sparks during each firing.

  6. Stratified charge engine - Wikipedia

    en.wikipedia.org/wiki/Stratified_charge_engine

    The fuel being burnt in the lean charge is therefore not 'knock' or octane restricted. This type of stratification therefore can utilise a wide variety of fuels; the specific energy output being dependent only on the calorific value of the fuel. A relatively rich air/fuel mixture is directed to the spark-plug using multi-hole injectors.

  7. Mass flow sensor - Wikipedia

    en.wikipedia.org/wiki/Mass_flow_sensor

    A mass (air) flow sensor (MAF) is a sensor used to determine the mass flow rate of air entering a fuel-injected internal combustion engine. The air mass information is necessary for the engine control unit (ECU) to balance and deliver the correct fuel mass to the engine. Air changes its density with temperature and pressure.

  8. Heated air inlet - Wikipedia

    en.wikipedia.org/wiki/Heated_air_inlet

    A heated air inlet or warm air intake is a system commonly used on the original air cleaner assemblies of carburetted engines to increase the temperature of the air going into the engine for the purpose of improving the consistency of the air/fuel mixture to reduce engine emissions and fuel usage. [1]

  9. Back-fire - Wikipedia

    en.wikipedia.org/wiki/Back-fire

    With older engine designs, backfiring can be common or unavoidable. Backfire is rare in modern vehicles with fuel-injection and computer-controlled fuel mixtures. Cars with sports exhausts (both factory-fitted and aftermarket) are much more likely to backfire. In some circumstances the backfire is seen as an additional perk of the car.