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Featured researches published by Albrecht Rothe.


MTZ - Motortechnische Zeitschrift | 2005

Magnesium-Hybrid-Turbomotor von Audi

Rudolph Krebs; Joachim Böhme; Joachim Doerr; Albrecht Rothe; Willi Schneider; Christoph Haberling

Mit diesem Beitrag zeigt Audi einen Weg, wie der Leichtbauwerkstoff Magnesium durch spezielle konstruktive Detaillosungen und den Einsatz neuer warmfester Legierungen zukunftig auch in hochbelasteten Motoren eingesetzt werden kann. Durch gezieltes lokales Werkstoff-Engineering gelang es erstmals, einen Otto-Turbomotor mit einer spezifischen Leistung von 67 kW/l in Magnesium-Hybrid-Leichtbauweise darzustellen. Eine Besonderheit des im Druckgussverfahren hergestellten Kurbelgehauses stellt die Closed-deck-Bauweise dar, fur die ein grosserientaugliches Herstellungskonzept entwickelt wurde.


MTZ worldwide | 2005

Magnesium-hybrid-turbo engine from Audi

Rudolph Krebs; Joachim Böhme; Joachim Doerr; Albrecht Rothe; Willi Schneider; Christoph Haberling

In this paper, Audi demonstrates a way in which the lightweight material magnesium can, by means of special design details and the use of new alloys with improved strength at elevated temperatures, in future be employed in engines subject to high loads. By using carefully targeted localised materials engineering, it has proved possible for the first time to develop a four-stroke turbo engine with a specific power output of 67 kW/l with a magnesium hybrid lightweight structure. A special feature of the closed-deck, die-cast crankcase is that the manufacturing concept for it has been developed to be suitable for series production.


Archive | 2006

Cylinder liner for cylinder housing of lifting piston internal combustion engine comprises covering element which closes hollow chamber of liner in coolant-tight manner for casting process

Christoph Haberling; Albrecht Rothe; Willi Schneider


Archive | 2008

Treatment process for sliding surface of iron workpiece includes additional proofing stage in which honing parameter to set honing quality is determined

Albrecht Rothe; Axel Pohlmann


Archive | 2006

Production of cast parts in compound gas used in automobile production, e.g. for production of cylinder crankcases, comprises removal core medium in second casting process into cooling vessel in pressure casting machine

Christoph Haberling; Willi Schneider; Joachim Dörr; Albrecht Rothe; Udo-Hermann Ertingshausen


Archive | 2017

DRIVE DEVICE FOR A MOTOR VEHICLE

Albrecht Rothe


Archive | 2014

Method for operating four-cycle internal combustion engine in motor car, involves temporarily passing coolant i.e. lubricant, through coolant channel, where coolant is different from coolant i.e. cooling water

Andre Merkle; Albrecht Rothe


Archive | 2012

Method for examination of graphite disclosure at bearing surface of grey cast iron cylinder, involves utilizing graphite such that high and low measuring temperatures respectively correspond to large and small graphite disclosures

Albrecht Rothe


Archive | 2006

Zylinderbuchseneinlegeteil für ein Zylindergehäuse einer Hubkolben-Brennkraftmaschine und Verfahren zur Herstellung eines solchen Zylinderbuchseneinlegeteils Cylinder liner insert for a cylinder housing of a reciprocating piston internal combustion engine and method of producing such a cylinder liner insert

Christoph Haberling; Albrecht Rothe; Willi Schneider


Archive | 2006

Zylindereinleger für ein Zylindergehäuse einer Hubkolben-Brennkraftmaschine und Verfahren zur Herstellung eines solchen Zylindereinlegers

Christoph Haberling; Albrecht Rothe; Willi Schneider

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