- spark ignition engine
- (SI engine) In contrast with a diesel engine (which does not use a spark plug), a spark ignition engine uses a spark plug to ignite the fuel/air mixture.
Dictionary of automotive terms. 2015.
Look at other dictionaries:
Spark-ignition engine — The term spark ignition engine is normally used to refer to internal combustion engines where the fuel air mixture is ignited with a spark. The term contrasts with compression ignition engines, where the heat from compression alone ignites the… … Wikipedia
spark-ignition engine — A form of reciprocating engine in which the fuel air mixture in the cylinder is ignited by an electric spark. This occurs when the piston is in the correct position during the compression stroke … Aviation dictionary
spark ignition — An ignition initiated by an electric spark in a spark ignition engine. See self ignition twin spark ignition … Dictionary of automotive terms
ignition engine — See spark ignition engine … Dictionary of automotive terms
Ignition system — For other uses, see Ignition system (disambiguation). An ignition system is a system for igniting a fuel air mixture. Ignition systems are well known in the field of internal combustion engines such as those used in petrol (gasoline) engines used … Wikipedia
Engine knocking — Pinging redirects here. For other uses, see Ping (disambiguation). Knocking (also called knock, detonation, spark knock, pinging or pinking) in spark ignition internal combustion engines occurs when combustion of the air/fuel mixture in the… … Wikipedia
Engine control unit — An engine control unit (ECU) is an electronic control unit which controls various aspects of an internal combustion engine s operation. The simplest ECUs control only the quantity of fuel injected into each cylinder each engine cycle. More… … Wikipedia
ignition — A process which initiates the combustion of the compressed air/fuel mixture in the combustion chamber. In a spark ignition engine, the mixture is ignited by an electric spark; in a diesel engine, the self igniting mixture must be preheated by… … Dictionary of automotive terms
Engine — This article is about a machine to convert energy into useful mechanical motion. For other uses of engine, see Engine (disambiguation). For other uses of motor, see Motor (disambiguation). A V6 internal combustion engine from a Mercedes car An… … Wikipedia
engine — A device for changing fuel energy to mechanical energy. The term applies to the primary source of power generation. In Britain there is a desire to make a clear distinction between engine and motor so that motor refers only to electric power… … Dictionary of automotive terms