How Turbochargers Work: Engine Super Lungs Infographic

The secret heartbeat of your car

Chapter 1

The four-stroke dance

Chapter 2

The heavy metal band

Chapter 3

Feeding the beast

Chapter 4

Keeping it cool and smooth

YOUR GOAL

Master of The secret heartbeat of your car

Ch 3 · Feeding the beast
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audi Direct Fuel Injection

Pressure sprays, microseconds tick, the cylinders fire

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Your catalytic converter is packed with metals worth more than gold.

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Turbochargers as super lungs

audi A fast fan uses exhaust gas to pump compressed air into engine cylinders

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The direct injection revolution

audi An isometric 3D render reveals a labeled fuel injector spraying inside a cylinder

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Fun Fact

Precious exhaust: Catalytic converters are packed with rare metals like platinum that are worth more than gold.

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Gossip

Would you pay extra for a car with a turbocharger?

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Quiz

What is the ideal weight ratio of air to gasoline for perfect combustion?

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Quiz

What device did modern fuel injectors replace in older cars?

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Quiz

Who patented the catalytic converter in 1956 to reduce car smog?

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Quiz

What is a 'lean' air-fuel mixture?

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Quiz

Which precious metal is commonly found inside a catalytic converter?

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Quiz

What harmless substances do catalytic converters turn toxic carbon monoxide into?

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Quiz

Who invented the turbocharger in 1905 to boost engine power?

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Quiz

What powers a turbocharger to spin up to 250,000 RPM?

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