- exhaust timing
- exhaust control system developed especially for two-stroke motorcycle engines in order to enhance low and mid-range power
Dictionary of automotive terms. 2015.
exhaust timing
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timing — One of the essential factors in a internal combustion engine (Fuel, Air, Proper proportion of mixture, compression Timing, spark). When the piston is in the compression stroke both valves must be closed. If one or more is open, the valve timing… … Dictionary of automotive terms
Exhaust gas recirculation — (EGR) is a nitrogen oxide (NOx) emissions reduction technique used in most gasoline and diesel engines.EGR works by recirculating a portion of an engine s exhaust gas back to the engine cylinders. Intermixing the incoming air with recirculated… … Wikipedia
timing diagram — A diagrammatic representation of the engine timing, i.e., the times during which the intake and exhaust valves are open and closed … Dictionary of automotive terms
exhaust valve closes — (EVC) A mark on a valve timing diagram … Dictionary of automotive terms
exhaust valve opens — (EVO) A mark on a valve timing diagram … Dictionary of automotive terms
Variable valve timing — Variable valve timing, or VVT, is a generic term for an automobile piston engine technology. VVT allows the lift or duration or timing (some or all) of the intake or exhaust valves (or both) to be changed while the engine is in operation. Two… … Wikipedia
Continuous variable valve timing — offers a unique ability to have independent control of the intake and exhaust valves in an internal combustion engine. For any engine load criteria, the timing of intake and exhaust can be independently programmed [1]. The main variations of… … Wikipedia
Diesel exhaust — A diesel powered truck emitting sooty exhaust gas while starting its engine. Diesel exhaust (known as clag when emitted by diesel locomotives, or diesel engine emissions in scientific papers) is the exhaust gas of a diesel engine. In diesel… … Wikipedia
Variable Cam Timing — Variable Camshaft Timing (VCT) is an automobile variable valve timing technology developed by Ford. It utilizes electronically controlled hydraulic valves that direct engine oil into the camshaft phaser cavity. These oil control solenoids are… … Wikipedia
staggered ignition/staggered timing — A dual ignition timed so that the spark plug nearest the exhaust valve fires before the spark plug nearest the intake valve. This is to ensure that the fuel air mixture is diluted by partially burned exhaust gases (which burn more slowly than a… … Aviation dictionary
