INFINITI claims its
new variable compression turbocharger due in 2018 amounts to ground-breaking
new engine technology.
The
company claims its new VC-Turbo (Variable Compression Turbo) is the world’s
first production-ready variable compression ratio engine.
Promising to be one of the most advanced
internal combustion engines ever created, VC-Turbo technology combines the
power of a high-performance 2-litre turbo gasoline engine with the torque and efficiency
of an advanced diesel powertrain – without the equivalent emissions.
Roland Krueger, president of INFINITI Motor
Company, says the "pioneering" new
VC-Turbo powertrain represents a leap forward for engine development.
"Vehicle engineers believe the
breakthrough in internal combustion technology would come from mastering the
variable compression ratio," he adds. "INFINITI will be the first to
bring this technology to the market in 2018. This new generation of powertrains
will help our global growth and expansion of the INFINITI product portfolio.”
According to INFINIT the VC-Turbo technology
uses an advanced multi-link system to seamlessly raise or lower the reach of
the pistons, detecting the car’s driving condition and driver inputs, and instantly
selecting the most suitable compression ratio. The engine is able to offer any
compression ratio between 8:1 (for high performance) and 14:1 (for high
efficiency).
With a development target power output of
approximately 200 kW (268 bhp / 272 PS) and 390 Nm torque, the VC-Turbo engine
will be comparable to certain six-cylinder gasoline powertrains for
performance, while significantly outperforming them in efficiency, according to
the company.
The four-cylinder VC-Turbo engine achieves
lower levels of noise and vibration than conventional internal combustion
engines, particularly diesel, and is lighter and more compact than V6 units
with comparable power outputs, the company adds.
It further claims VC-Turbo technology marks a
significant leap forward for the internal combustion engine, "joining
other renowned powertrain innovations such as liquid-cooling, fuel injection,
catalytic convertors, and turbocharging. The arrival of the variable
compression ratio engine will establish new benchmarks – for power, efficiency
and emissions – against which future powertrains will be measured."
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