Turbo Lag Elimination System From Volvo — PowerPulse

By Abhinand

When it comes to Turbocharged engines, there is that one thing that comes associated with it, just like bread and butter - Turbo lag.

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    You might have experienced a short delay in power delivery when you floor a turbo car (predominantly a diesel) hard. This is the reason why some automotive enthusiasts prefer a Naturally Aspirated engine over a turbocharged engine.

    Turbo Lag Elimination System From Volvo — PowerPulse

    Volvo has something called ‘PowerPulse' to prevent a turbo lag. The patented system is present in Volvo's D5 Diesel engine having two sequential turbos. It employs compressed air to spool (process of unloading the air from a turbo at high pressure) the turbo within no time.

    Turbo Lag Elimination System From Volvo — PowerPulse

    The system uses an electric compressor which sucks in clean air from the filter duct (intake system), and compresses and stores it in a pressurised container.

    Turbo Lag Elimination System From Volvo — PowerPulse

    When the throttle is wide open (accelerator is fully depressed), the container opens via a valve mechanism and the compressed air is forced into the exhaust manifold. The air is then transferred into the cylinder just like any turbo (turbocharger pushes exhaust gases into the cylinder to supply more air for combustion).

    Turbo Lag Elimination System From Volvo — PowerPulse

    A sequential turbo system is used here i.e the compressed air first rotates a smaller turbo (using clean air) and that in turn spins a larger turbo (using exhaust gases), ultimately supplying extra air for combustion into the cylinder.

    Turbo Lag Elimination System From Volvo — PowerPulse

    A sequential turbo system is used here i.e the compressed air first rotates a smaller turbo (using clean air) and that in turn spins a larger turbo (using exhaust gases), ultimately supplying extra air for combustion into the cylinder.

    Turbo Lag Elimination System From Volvo — PowerPulse

    DriveSpark Thinks!
    Volvo Cars have got quite a good portfolio at being masters of automotive innovation. They have confirmed that all of their products will be electrified in some way, by 2019. The ‘PowerPulse' system wouldn't seem that complicated if you know some technical aspects about cars. But still, it was Volvo who first did it a few years back.

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    Read more on: #volvo
    Article Published On: Wednesday, December 13, 2017, 18:20 [IST]
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