spark delay valve

См. также в других словарях:

• spark delay valve — (SDV) a valve in the vacuum advance hose that delays the vacuum to the vacuum advance unit during rapid acceleration from idle or from speeds below 15 mph, and cuts off spark advance immediately on deceleration. Has an internal sintered orifice… …   Dictionary of automotive terms

• Vacuum delay valve — A vacuum delay valve is a valve with a small orifice, which delays a vacuum signal. These are commonly used in automobiles to alter the behavior of vacuum switches, vacuum motors, and other vacuum devices.The engine in a common automobile… …   Wikipedia

• delay vacuum bypass system — (DVB) an optional system used by Ford that bypasses the spark delay valve during cold operation to improve driveability …   Dictionary of automotive terms

• PCV valve — The Positive Crankcase Ventilation valve, or PCV valve, is a one way valve that ensures continual evacuation of gases from inside a gasoline internal combustion engine s crankcase.ExplanationAs an engine runs, gases and combustion pressure are… …   Wikipedia

• thermal time valve — A valve which senses temperature, typically the temperature under the hood, and gives full vacuum advance when the temperature is below 10° above this temperature, the thermal time valve allows the distributor vacuum to be controlled by the… …   Dictionary of automotive terms

• SDV — Acronym for spark delay valve …   Dictionary of automotive terms

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