stratified charge

stratified charge
In a SI engine, an air/fuel charge which consists mainly of a lean mixture and a small layer or pocket of rich mixture; the rich mixture is ignited first, then ignition spreads to the leaner mixture filling the rest of the combustion chamber

Dictionary of automotive terms. 2015.

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  • Stratified charge engine — The stratified charge engine is a type of internal combustion engine, similar in some ways to the Diesel cycle, but running on normal gasoline. The name refers to the layering of fuel/air mixture, the charge inside the cylinder.In a traditional… …   Wikipedia

  • stratified charge engine — noun : an internal combustion engine in which the fuel charge is divided into two layers with a rich mixture in a small volume close to the spark plug that by its combustion promotes the ignition of a lean mixture in the remainder of the cylinder …   Useful english dictionary

  • stratified charge engine — an internal combustion engine in which a small charge of a rich fuel mixture is ignited first and used to improve combustion of a larger charge of a lean fuel mixture. Also, stratified charge engine. [1960 65] * * * …   Universalium

  • stratified charge engine — An internal combustion engine in which a small portion of extremely rich fuel and air is ignited and in turn ignites a much leaner fuel air mixture. The lean mixture might not fire by itself unless it is ignited by the flame of the burning rich… …   Dictionary of automotive terms

  • stratified charge engine — noun Date: 1962 an internal combustion engine in whose cylinders the combustion of fuel in a layer of rich fuel air mixture promotes ignition in a greater volume of lean mixture …   New Collegiate Dictionary

  • charge — [1] The action of passing an electric current through a battery to restore it to the active (charged) state. Normally the vehicle s generator or alternator takes care of this. If the vehicle is not used much, an external charger is needed to… …   Dictionary of automotive terms

  • charge engine — See stratified charge engine …   Dictionary of automotive terms

  • Charge and discharge — Discharge Dis*charge , n. [Cf. F. d[ e]charge. See {Discharge}, v. t.] 1. The act of discharging; the act of relieving of a charge or load; removal of a load or burden; unloading; as, the discharge of a ship; discharge of a cargo. [1913 Webster]… …   The Collaborative International Dictionary of English

  • Homogeneous charge compression ignition — Thermodynamics …   Wikipedia

  • Homogeneous Charge Compression Ignition — Homogeneous Charge Compression Ignition, or HCCI, is a form of internal combustion in which well mixed fuel and oxidizer (typically air) are compressed to the point of auto ignition. As in other forms of combustion, this exothermic reaction… …   Wikipedia

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