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- Variator_(variable_valve_timing) abstract "Variable valve timing (VVT) is a system for varying the valve opening of an internal combustion engine. This allows the engine to deliver high power, but also to work tractably and efficiently at low power. There are many systems for VVT, which involve changing either the relative timing, duration or opening of the engine's inlet and exhaust valves.One of the first practical VVT systems used a variator to change the phase of the camshaft and valves. This simple system cannot change the duration of the valve opening, or their lift. Later VVT systems, such as the helical camshaft or the movable fulcrum systems, could change these factors too. Despite this limitation, the variator is a relatively simple device to add to an existing engine and so they remain in service today.As the benefit of the variator relies on changing the relative timing between inlet and exhaust, variator systems are only applied to double overhead camshaft engines. A variator system that moved a single camshaft for both inlet and exhaust would be possible, but would have no performance benefit.".
- Variator_(variable_valve_timing) wikiPageID "33349956".
- Variator_(variable_valve_timing) wikiPageLength "7517".
- Variator_(variable_valve_timing) wikiPageOutDegree "35".
- Variator_(variable_valve_timing) wikiPageRevisionID "694783050".
- Variator_(variable_valve_timing) wikiPageWikiLink Alfa_Romeo_147.
- Variator_(variable_valve_timing) wikiPageWikiLink Alfa_Romeo_156.
- Variator_(variable_valve_timing) wikiPageWikiLink Alfa_Romeo_75.
- Variator_(variable_valve_timing) wikiPageWikiLink Alfa_Romeo_GTV_and_Spider.
- Variator_(variable_valve_timing) wikiPageWikiLink Alfa_Romeo_Spider.
- Variator_(variable_valve_timing) wikiPageWikiLink Alfa_Romeo_Twin_Cam_engine.
- Variator_(variable_valve_timing) wikiPageWikiLink Alfa_Romeo_Twin_Spark_engine.
- Variator_(variable_valve_timing) wikiPageWikiLink Camshaft.
- Variator_(variable_valve_timing) wikiPageWikiLink Category:Engine_technology.
- Variator_(variable_valve_timing) wikiPageWikiLink Category:Variable_valve_timing.
- Variator_(variable_valve_timing) wikiPageWikiLink Cylinder_bank.
- Variator_(variable_valve_timing) wikiPageWikiLink Engine_control_unit.
- Variator_(variable_valve_timing) wikiPageWikiLink Fiat_Stilo.
- Variator_(variable_valve_timing) wikiPageWikiLink Hall_effect.
- Variator_(variable_valve_timing) wikiPageWikiLink Helical_camshaft.
- Variator_(variable_valve_timing) wikiPageWikiLink Hydraulic_fluid.
- Variator_(variable_valve_timing) wikiPageWikiLink Internal_combustion_engine.
- Variator_(variable_valve_timing) wikiPageWikiLink Overhead_camshaft.
- Variator_(variable_valve_timing) wikiPageWikiLink Phase_(waves).
- Variator_(variable_valve_timing) wikiPageWikiLink Solenoid.
- Variator_(variable_valve_timing) wikiPageWikiLink Solenoid_valve.
- Variator_(variable_valve_timing) wikiPageWikiLink V5_engine.
- Variator_(variable_valve_timing) wikiPageWikiLink VANOS.
- Variator_(variable_valve_timing) wikiPageWikiLink VR6_engine.
- Variator_(variable_valve_timing) wikiPageWikiLink Valve_overlap.
- Variator_(variable_valve_timing) wikiPageWikiLink Variable_Cam_Timing.
- Variator_(variable_valve_timing) wikiPageWikiLink Variable_valve_timing.
- Variator_(variable_valve_timing) wikiPageWikiLink W12_engine.
- Variator_(variable_valve_timing) wikiPageWikiLink W8_engine.
- Variator_(variable_valve_timing) wikiPageWikiLink File:Vane_phasers_T-GDI.JPG.
- Variator_(variable_valve_timing) wikiPageWikiLinkText "Camshaft Phase Variator".
- Variator_(variable_valve_timing) wikiPageWikiLinkText "Variator (variable valve timing)".
- Variator_(variable_valve_timing) wikiPageWikiLinkText "variable timed valves".
- Variator_(variable_valve_timing) wikiPageWikiLinkText "variator".
- Variator_(variable_valve_timing) group "note".
- Variator_(variable_valve_timing) liststyle "lower-roman".
- Variator_(variable_valve_timing) wikiPageUsesTemplate Template:Citation_needed_span.
- Variator_(variable_valve_timing) wikiPageUsesTemplate Template:Essay.
- Variator_(variable_valve_timing) wikiPageUsesTemplate Template:Other_uses.
- Variator_(variable_valve_timing) wikiPageUsesTemplate Template:Refimprove.
- Variator_(variable_valve_timing) wikiPageUsesTemplate Template:Reflist.
- Variator_(variable_valve_timing) wikiPageUsesTemplate Template:Unreferenced_section.
- Variator_(variable_valve_timing) subject Category:Engine_technology.
- Variator_(variable_valve_timing) subject Category:Variable_valve_timing.
- Variator_(variable_valve_timing) hypernym System.
- Variator_(variable_valve_timing) comment "Variable valve timing (VVT) is a system for varying the valve opening of an internal combustion engine. This allows the engine to deliver high power, but also to work tractably and efficiently at low power. There are many systems for VVT, which involve changing either the relative timing, duration or opening of the engine's inlet and exhaust valves.One of the first practical VVT systems used a variator to change the phase of the camshaft and valves.".
- Variator_(variable_valve_timing) label "Variator (variable valve timing)".
- Variator_(variable_valve_timing) sameAs Q7915833.
- Variator_(variable_valve_timing) sameAs m.02wzm4.
- Variator_(variable_valve_timing) sameAs Q7915833.
- Variator_(variable_valve_timing) wasDerivedFrom Variator_(variable_valve_timing)?oldid=694783050.
- Variator_(variable_valve_timing) isPrimaryTopicOf Variator_(variable_valve_timing).