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Variable valve lift information


Variable valve lift (VVL) is an automotive piston engine technology which varies the height a valve opens in order to improve performance, fuel economy or emissions. There are two main types of VVL: discrete, which employs fixed valve lift amounts, and continuous, which is able to vary the amount of lift. Continuous valve lift systems typically allow for the elimination of the throttle valve.[citation needed]

When used in conjunction with variable valve timing (VVT), variable valve lift can potentially offer infinite control over the intake and exhaust valve timing.[citation needed]

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Variable valve lift

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Variable valve lift (VVL) is an automotive piston engine technology which varies the height a valve opens in order to improve performance, fuel economy...

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Variable valve timing

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Variable valve timing (VVT) is the process of altering the timing of a valve lift event in an internal combustion engine, and is often used to improve...

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Variable Valve Event and Lift

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Nissan Variable Valve Event and Lift (commonly abbreviated as VVEL) is an automobile variable valve timing technology developed by Nissan. Nissan VVEL...

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Valve

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of valve Variable valve timing – Process of altering the timing of a valve lift event Zone valve – Type of water of steam flow valve "Types of valve bodies...

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VTEC

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VTEC (described as Variable Valve Timing & Lift Electronic Control, but stands for Valve Timing Electronically Controlled) is a system developed by Honda...

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BMW N20

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122 cu in) turbocharged four-cylinder DOHC petrol engine with variable valve lift and variable valve timing which replaced the N53 (or BMW N52 in some markets)...

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VANOS

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conjunction with the Valvetronic variable valve lift system. VANOS is a variator system that varies the timing of the valves by moving the position and the...

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Prince engine

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codename for a family of straight-four 16-valve all-aluminium gasoline engines with variable valve lift and variable valve timing developed by BMW and PSA Peugeot...

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BMW N62

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first engine to use a continuously variable-length intake manifold, and BMW's first V8 to feature variable valve lift (called Valvetronic). Unlike its predecessor...

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BMW N73

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double-VANOS (variable valve timing) and valvetronic (variable valve lift). The variable valve timing (VANOS) is a continuously variable design and is...

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BMW B58

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also features direct fuel injection, variable valve timing (called double Vanos by BMW), and variable valve lift (called Valvetronic by BMW). The redline...

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MultiAir

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MultiAir or Multiair is a hydraulically-actuated variable valve timing (VVT) and variable valve lift (VVL) engine technology enabling "cylinder by cylinder...

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Valvetronic

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system is a BMW variable valve lift system which, in combination with VANOS, allows infinite adjustment of the intake valve timing and lift. The system claims...

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Automotive acronyms and abbreviations

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Discrete variable valve lift DVVLd: Discrete variable valve lift, includes dual cam phasing DVVLi: Discrete variable valve lift, includes intake valve cam...

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BMW N45

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balance shafts or Valvetronic (variable valve lift). As per the N42 and N46, the N45 has double-VANOS (variable valve timing). In 2007, the N45 was updated...

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List of Nissan engines

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injection with variable valve timing (bear in mind that the "V" designation is not used here, as that is used for variable valve lift) and is used as...

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Ingenium engine family

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Jaguar Land Rover licensed the Multiair/UniAir electrohydraulic variable valve lift system from Schaeffler Group, which Schaeffler in turn licensed from...

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VTi Engine

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The VTi Engine (Variable Valve Lift and Timing injection) is a variable valve timing (VVT) system for car engines created jointly by both PSA Peugeot...

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GM Ecotec engine

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LCV but features Intake Valve Lift Control (IVLC) system provides two-stage variable valve lift in addition to continuous variable timing. Continuously commanded...

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Nissan VVL engine

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Nissan Ecology Oriented Variable Valve Lift and Timing (commonly known as VVL & VVT) is an automobile variable valve timing technology developed by Nissan...

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BMW N55

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newer N55 uses only a single twin scroll turbocharger. Valvetronic (variable valve lift) is claimed to improve throttle response, low-rev torque, exhaust...

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Honda D engine

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The D Series engine is either SOHC or DOHC, and might include VTEC variable valve lift. Power ranges from 66 PS (49 kW) in the Logo to 130 PS (96 kW) in...

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Mitsubishi 4J1 engine

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series (4B1) valvetrain configuration was changed from DOHC to SOHC, Variable valve lift (VVL) technology added. The engine usually is paired with the ecological...

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BMW N52

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Compared with its M54 predecessor, the N52 features Valvetronic (variable valve lift), a lighter block due to the use of a magnesium alloy and an electric...

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BMW N42

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valvetrain, VANOS (variable valve timing) and an aluminium engine block. It was the first BMW engine to have Valvetronic (variable valve lift). The N42B18 has...

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BMW N74

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direct injection, DOHC and variable valve timing (called double-VANOS by BMW). However, the N74 does not have variable valve lift (called Valvetronic by BMW)...

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CVVTCS

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intake/exhaust) (also uses Variable Valve Event and Lift) Nissan Variable Cam Timing Nissan Variable Valve Event and Lift Nissan Variable Valve Lift and Timing Turpen...

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BMW B48

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include a twin-scroll turbocharger, direct injection, variable valve lift (Valvetronic) and variable valve timing (Double VANOS). The B48 engine was revised...

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Jaguar XE

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Ingenium technology licenses the Multiair/UniAir electrohydraulic variable valve lift system from Schaeffler Group, which Schaeffler in turn licensed from...

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