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Dr. Tony Chen
Turbochargers for Downsized Gasoline Engines.
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Outlines
Drivers for Gasoline Turbocharged EngineDrivers for Gasoline Turbocharged Engine
Turbocharger Technical SolutionsTurbocharger Technical SolutionsTurbocharger Technical Solutions
BW New Generation Turbochargers for Otto EngineBW New Generation Turbochargers for Otto EngineBW New Generation Turbochargers for Otto Engine
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Downsize (2.0l gasoline engine)
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CO2 Reduction
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Comparison between Turbo & N.I.
Engine (1.2L Otto)
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Vehicle requirements
� Reduced CO2 Emission.
� Reduced NOx Emissions.
� Downsizing,Installation space saved.
� Improved Dynamic Response(esp. low speed).
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Europe 2008-2015
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European Trend
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Outlines
Drivers for Gasoline Turbocharged EngineDrivers for Gasoline Turbocharged EngineDrivers for Gasoline Turbocharged Engine
Turbocharger Technical solutionsTurbocharger Technical solutions
BW New Generation Turbochargers for Otto EngineBW New Generation Turbochargers for Otto EngineBW New Generation Turbochargers for Otto Engine
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Turbocharger Solutions
� 1) Twin Turbo
� 2) Gasoline VTG.
� 3) AGI technology.
� 4) Twin Scrolls
� 5) Integrated with manifold.
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VW 1.4l gasoline engine (Twin-charger)
� SPEC:
� Rated power: 125kW,,,,
� Max. torque: 240Nm@1750rpm~4500rpm。。。。
� O~100km////h: 7.9S。。。。
� 100Km/l : 7.2L////1OOkm。。。。
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New technology Gasoline VTG
VTG model
Resistant temperature:1050℃℃℃℃
Improve efficiency at low end
Actuator Control :Electron or pneumatic
Compressor housing integrated with CRV
Water cooled
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Temperature Distribution after Full
Load Accel.
•Most critical case: Maximum
acceleration under full load
• Permanent High Temperatures no
problem even with component
temperature of 1000°°°°C
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VTG TC for Porchase 911
VTG TC
Heat resistant up to 1000℃
Emission level: EU 5
3.6l gasoline engine
0-60mph under 4s
Top speed 192mph
615Nm@1950rpm~5000rpm
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AGI section
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New technology twin scroll
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Twinscroll simulation analysis
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OPEL 2.0l gasoline engine
� 2.0l DGI
� 192Kw@5500rpm
� 350Nm@1800~4500rpm
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AUDI 1.8TSI
K03
Resistant temperature:980℃℃℃℃250Nm@1800rpm~4500rpm
132kW@5500rpm
Turbine housing integrated with manifold
Compressor housing integrated with noise
absorber and E_CRV
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Opel 1.6l TCI
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Outlines
Drivers for Gasoline Turbocharged EngineDrivers for Gasoline Turbocharged EngineDrivers for Gasoline Turbocharged Engine
Turbocharger Technical solutionsTurbocharger Technical solutionsTurbocharger Technical solutions
BW New Generation Turbochargers for Otto EngineBW New Generation Turbochargers for Otto Engine
![Page 26: Turbochargers for Downsized Gasoline Engines. - …cn.gasgoo.com/Upload/Define/20097313511Upfile.pdf · Outlines Drivers for Gasoline Turbocharged Engine Turbocharger Technical solutions](https://reader034.fdocuments.net/reader034/viewer/2022051717/5a700af77f8b9ab1538b9639/html5/thumbnails/26.jpg)
Range of Product – TW size
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Our Solutions:
• Specially developed range
• High grade materials
• Water-cooled bearing casings
• Further developed systems for high temperature applications up to 1,050°C
• New generation of turbines and impellers
• Different boost concepts depending on engine strategy:
– waste gate and boost pressure control valves – variable turbines – twin flow turbines – eBooster™
• Special design solutions such as integrated exhaust manifolds
Turbocharging Systems for Gasoline Engines
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Outlines
Questions?Questions?