IAV at the 38th Vienna Engine Symposium

Towards Smart Powertrains

      Concepts and Technologies for Minimum Emissions and Maximum Efficiency

      IAV is paving the way to zero-emission driving – with state-of-the-art exhaust gas aftertreatment and hybrid systems as well as all-electric drives. A modified topology for the exhaust gas aftertreatment system in conjunction with IAV’s new hybrid transmission is helping to cut emissions while enhancing driving dynamics. For all-electric vehicles, IAV has developed a modular electric drive unit that permits local zero-emission driving.

      We presented all three solutions at the Vienna Engine Symposium on April 27 and 28.

      Innovative Close-Coupled Exhaust Gas Aftertreatment

      Diesel engines will only be capable of meeting the EU6 standard if exhaust gas aftertreatment (EAT) continues to be improved. To this end, IAV is moving the EAT system closer to the engine and positioning some or all of its components upstream of the turbocharger, leaving exhaust gas in DOC and SCRF between 100 and 150 degrees kelvin hotter than with the classic approach of positioning EAT downstream of the turbocharger. This shortens the time the exhaust gas aftertreatment system takes to reach optimum operating temperature – and the vehicle complies with emission requirements in all situations. (...) More

      Optimized Efficiency of Hybrid Transmissions

      Adding a modern hybrid transmission further reduces fuel consumption. IAV has developed a hybrid eight-speed dual-clutch transmission guaranteeing maximum combustion engine efficiency in all driving situations and across the operating map. Factoring in the benefit from hybridization and innovative hydraulic system produces a potential fuel saving of 18.1 percent over a conventional six-speed transmission. (…) More

      Modular, electric drive concept

      The new generation of electric drive units from IAV provides the key to an all-electric car. The modular concept comprises an electric motor and transmission with one to three gear speeds. This solution delivers a high level of torque over a wide speed range, while also taking up little package and permitting cost-efficient volume production. The modular electric drive unit provides high hill-climbing ability in conjunction with maximum efficiency. It can also be used flexibly and lends itself to a variety of powertrain configurations, e.g. for battery-powered electric or fuel cell vehicles. (…) More

      These were our Topics at the 38th Vienna Engine Symposium

      IAV presented the new version of its modular electric drive concept. Combining e-motor and transmission, it provides up to three speeds and, because of its modular concept, can be made to suit various vehicle platforms and demands. The aim is to combine a high level of ride comfort, efficiency and compact package at competitive cost.

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      The transmission has a major influence on how quickly the tank empties and on how much CO2 a car emits per kilometer. IAV has developed a high-power, high-torque eight-speed hybrid dual-clutch transmission that is capable of reducing fuel consumption by up to 18 percent over a conventional six-speed dual-clutch transmission on account of its high number of speeds and integrated hybrid function. A further advantage of the IAV 8H-DCT450 lies in its extremely small package requirement.

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      The diesel engine needs to be even cleaner in future and reliably meet the stringent EU6 limit values in all situations. IAV has examined a concept study of approaches that promise to do precisely this: particularly closed-coupled exhaust gas aftertreatment allows DOC and DPF/SCR to reach optimum working temperature more quickly which, even when driving in the low-load range, significantly cuts emissions.

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    • Kongresszentrum Hofburg

      1010 Wien

      Site plan


      Congress Center Hofburg, Heldenplatz, 1010 Vienna/Austria

      Event times

      Thursday, April 27, 7.30 a.m. – 6.30 p.m.
      Friday, April 28, 8.00 a.m. – 6.00 p.m.

      Site plan

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