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Featured researches published by Leo Spiegel.


ATZ - Automobiltechnische Zeitschrift | 2000

Der Lupo FSI® von Volkswagen — So sparsam ist sportlich

Martin Winterkorn; Peter Bohne; Leo Spiegel; Günter Söhlke

Mit dem Lupo FSI fuhrt Volkswagen als erster deutscher Automobilhersteller einen Ottomotor mit Direkteinspritzung ein. Der erste Teil des Beitrags in der Oktober-Ausgabe der ATZ behandelte den Aufbau des Motors sowie das Brennverfahren. In diesem Teil wird — neben der Abgastechnik und weiterer motorischer Betrachtungen — das wesentliche Fahrzeugkonzept des Lupo FSI erlautert.


IFAC Proceedings Volumes | 2000

Emission Control Management of Volkswagen FSI Fuel Stratified Injection Engines

Ekkehard Pott; Rudolf Krebs; Leo Spiegel; Hermann Hahn; Michael Zillmer

Abstract Due to high lean NOx emissions of direct injection gasoline engines, NOx storage reduction catalysts are being implemented to meet european step 4 emission standards. In contrast to japanese applications, high sulphur concentrations in european fuel make means for active desulphation inevitable. Volkswagen has developed a new emission control management system which uses for the fIrst time NOx-sensor signals. The presentation gives a general overview of the Volkswagen emission control strategy of fuel stratified injection engines.


Archive | 2000

Device for supplying exhaust gases from an internal combustion engine to a catalytic converter

Leo Spiegel; Michael Zillmer; Ekkehard Pott


Archive | 2001

Verfahren zur Steuerung einer Kraftstoff-Direkteinspritzung

Ekkehard Pott; Leo Spiegel; Michael Lindlau; Bernd Stiebels


Archive | 2000

Method for operating an internal combustion engine comprising at least one working piston

Bernd Stiebels; Ekkehard Pott; Leo Spiegel


Archive | 2001

Combustion engine and method of ventilating the crankcase thereof

Günter Söhlke; Leo Spiegel


Archive | 2006

Method for controlling the direct injection of fuel

Ekkehard Pott; Leo Spiegel; Michael Lindlau; Bernd Stiebels


Archive | 1999

MOTOR VEHICLE WITH AN INTERNAL COMBUSTION ENGINE

Leo Spiegel; Hermann Hahn; Rudolf Krebs; Michael Zillmer; Ekkehard Pott


Archive | 2003

Method to operate an internal combustion engine with direct injection

Feitse Ebus; Leo Spiegel; Bernd Stiebels


Archive | 2001

Method for controlling a fuel direct injection

Michael Lindlau; Ekkehard Pott; Leo Spiegel; Bernd Stiebels

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