air shutter

air shutter

A device for regulating the quantity of air being mixed with gas for combustion.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
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Aside from the full-LED adaptive headlights, the front grille in all trim levels features an electrically adjustable Air Shutter. It optimises control of fluid temperature and reduces drag by up to 10%.
An electrically-adjustable 'Air Shutter' sits in the front grille, providing optimal control of the engine's fluid temperature while also, according to Maserati, substantially improving aerodynamic efficiency, with the company stating that the Cx coefficient of the new Quattroporte has now reached 0.28.
Complementing the technical sophistication and inspired aerodynamic design is an electric Air Shutter in the front grille.
The model features new 20-inch wheels, a front air shutter and Coupe badging on the car's C-pillar, and interiors with an available Accaro E-Copper, a new touchscreen display, an optional head-up display and carbon and ceramic trim options.
An electrically adjustable Air Shutter has been fitted in the front grille between the air vents and the engine's radiator.
With changes to the nose including a more imposing grille fitted with an air shutter to reduce drag by up to 10 per cent, the V8 model - with its Ferrarisourced 530hp V8 engine - now has a top speed approaching 195mph.
The airflow of a typical blown burner is usually regulated by the graduation of an air shutter or damper via servomotors and cams.
And Insignia 2.0 CDTi ecoFLEX models with Start/ Stop also feature an active front air shutter which helps the car achieve class-leading CO2 emissions of 99g/km and fuel economy of 76.3mpg on the combined cycle.
And Insignia 2.0 CDTi ecoFLEX models with Start/Stop also feature an additional aerodynamic element in the shape of an active front air shutter which helps the cars achieve class-leading CO2 emissions of 99g/km and fuel economy of 76.3mpg on the combined cycle.
The Insignia 2.0 CDTi ecoFLEX models of either 120bhp or 140bhp with Start/Stop have an automatic front air shutter, which reduces aerodynamic drag by almost 10%.
A notable, clever aero improvement developed for the Eco is a lower front grille air shutter that closes at higher speeds to improve wind flow over the front of the vehicle, yet which opens at lower speeds to improve engine cooling.