variable vane
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Variable geometry turbocharger — Variable geometry turbochargers (VGTs) are a family of turbochargers, usually designed to allow the effective aspect ratio (sometimes called A/R Ratio) of the turbo to be altered as conditions change. This is done because optimum aspect ratio at… … Wikipedia
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
Variable capacitor — Rotary variable capacitor A variable capacitor (also known as a variable air condenser ) is a capacitor whose capacitance may be intentionally and repeatedly changed mechanically or electronically. Variable capacitors are often used in L/C… … Wikipedia
variable-inlet guide vane — A gas turbine engine in which the angle of the inlet guide vanes can be changed to meet the requirements of the engine operating conditions. These are normally in front of the first stage of an axial compressor and sometimes in the subsequent… … Aviation dictionary
variable-angle stator vanes — Compressor stator vanes whose angle can be varied. The angle is controlled by the fuel control unit. Varying the stator vane angle ensures that the air directed to the first stage of the compressor meets the compressor at an optimum angle and… … Aviation dictionary
variable pitch stator — A stator that has vanes that may be adjusted to various angles depending on load conditions. The vane adjustment will increase or decrease the efficiency of the stator … Dictionary of automotive terms
Weather vane — A weather vane, also called a wind vane, is a movable device attached to an elevated object such as a roof for showing the direction of the wind. Very often these are in the shape of cockerels and are called weather cocks. Arrows are also popular … Wikipedia
Rotary vane pump — 1. pump housing 2. rotor 3. vanes 4. springA rotary vane pump is a positive displacement pump that consists of vanes mounted to a rotor that rotates inside of a cavity. In some cases these vanes can be variable length and/or tensioned to maintain … Wikipedia
sliding-vane pump — A positive displacement pump in which an eccentric rotor revolves in an eccentric or circular case. Also see external vane pump. The pumping element consists of multiple blades which slide in slots in the rotor and divide the crescent shaped… … Dictionary of automotive terms
Turbocharger — A turbocharger, or turbo, is an air compressor used for forced induction of an internal combustion engine. Like a supercharger, the purpose of a turbocharger is to increase the mass of air entering the engine to create more power. However, a… … Wikipedia
List of Volkswagen Group diesel engines — The diesel engines listed below are currently in use today, by various marques of automobiles, and commercial vehicles, of the Volkswagen Group.Since the Volkswagen Group is European, the engine performance ratings are published using the… … Wikipedia
