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exhaust air injection

См. также в других словарях:

  • air injection reaction system — (AIR system) The AIR system helps to reduce hydrocarbons and carbon monoxide levels in the exhaust by injecting air into the exhaust ports of each cylinder during cold engine operation, or directly into the catalytic converter during normal… …   Dictionary of automotive terms

  • Secondary air injection — Theory and origins= Secondary air injection (commonly air injection, colloquially smog pump, trademark Air Injection Reactor) is an automobile emissions control strategy introduced in 1966, wherein fresh air is injected into the exhaust stream.… …   Wikipedia

  • air injection — A system that injects fresh air into the exhaust ports or a thermal reactor, for additional conversion of carbon monoxide to carbon dioxide and combustion of unburned hydrocarbons (unburned fuel vapors) found in the exhaust gases as it comes in… …   Dictionary of automotive terms

  • air injection system — (AIS) any system that injects air into the exhaust stream to promote more complete oxidation of unburned exhaust gases …   Dictionary of automotive terms

  • air injection manifold — The duct inside the cylinder head or the tube outside the cylinder head feeding secondary air into the exhaust ports …   Dictionary of automotive terms

  • air control valve — (ACV) a vacuum controlled diverter valve (or a combination bypass/diverter valve) in an air injection system that diverts air pump air to either the upstream (exhaust manifold) or downstream (oxidation catalyst) air injection points as necessary …   Dictionary of automotive terms

  • exhaust emission control system — A general term for any system that reduces the harmful exhaust emissions of a motor vehicle, including one or all of the following systems: catalytic converter (with or without oxygen sensor air/fuel control), exhaust gas recirculation, secondary …   Dictionary of automotive terms

  • AIR — An acronym for Air Injection Reactor system of reducing objectionable exhaust emissions. Also see air injection …   Dictionary of automotive terms

  • exhaust gas check valve — (EGC) a device that allows air injection system air to enter the exhaust manifold, but prevents a reverse flow in the event of improper operation of other components …   Dictionary of automotive terms

  • air bypass valve — (ABPV or ABV) a backfire suppressor valve used in air injection systems. During high engine vacuum conditions such as deceleration, it vents pressurized air from the air pump to the atmosphere in order to prevent backfiring. At other times, it… …   Dictionary of automotive terms

  • air gulp system — A system in vehicles with secondary air injection or induction, which prevents an very rich mixture of air fuel from entering the inlet manifold during deceleration. If it did enter, unburned fuel would be forced over the hot exhaust system… …   Dictionary of automotive terms

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