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Comprex-Supercharging eliminates Trade-off of Performance, Fuel Economy and Emissions
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Abstract
The Comprex is the first pressure wave machine to reach series maturity. The direct contact between the media exhaust gas and combustion air permits a transfer of energy at high efficiency. Because of its basic characteristics, the pressure wave machine is especially well suited for the supercharging of passenger car diesel engines. It exhibits a spontaneous response and achieves high supercharging rates over a wide operation range, thereby contributing to an improvement in fuel economy. For the purpose of reducing emissions, it offers a simple means of providing EGR, thermal conditioning of the charge air, catalytic aftertreatment of the exhaust gas in the cell wheel and a compact particulate trap arrangement.
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Mayer, A., "Comprex-Supercharging eliminates Trade-off of Performance, Fuel Economy and Emissions," SAE Technical Paper 881152, 1988, https://doi.org/10.4271/881152.Also In
References
- Hofbauer/Kuck Aggregatemanagement 8th Intern. Engine Symposium, Vienna 1987
- Hiereth Aufgeladene Ottomotoren Diss. München 1978
- Mayer/Schruf/Kirchhofer Downsizing and downspeeding SAE paper 820443
- Waters Fuel consumption of diesel and petrol cars IMechE C106/86
- Jenny et al. Comprex pressure wave supercharger Brown Boveri Review 8-87
- Croes The principle of the pressure wave machine 9th ISTS Conference, Seattle, July 1977
- Jenny/Zumstein Pressure wave supercharging of passenger car diesel IMechE C44/82
- Pucher et al. Aufladung von Verbrennungsmotoren Expertverlag volume 133/1985
- Mayer/Nashar/Komauer Kennfeldverhalten und Auslegemethode beim Druckwellenlader Comprex ATZ 4/85
- Zehnder/Mayer Comprex pressure wave supercharging for automotive diesels SAE paper 840132
- Mayer/Pauli Emissions concept for vehicle diesel engine supercharged with Comprex SAE paper 880008
- Jenny/Moser/Hansel Progress with variable geometry and Comprex IMechE C109/86
- Schuster Der Dreiwegkatalysator HDT Essen/T-30-613-058-4, June 1984