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Dive into the research topics where Wieland Steffen is active.

Publication


Featured researches published by Wieland Steffen.


Archive | 2001

Motor exhaust gas processing system to reduce hazardous emissions, separates hydrocarbon components with low boiling point into vapor fractions to be reformed and reduced and high boiling point components are returned to the fuel tank

Wieland Steffen


Archive | 2000

Brennstoffzellensystem mit zugeordneter Wassrstofferzeugungsanlage

Docter Andreas; Lamm Arnold; Wieland Steffen; Authenrieth Rainer; Poschmann Thomas


Archive | 2001

Water condensation method for fuel cell gas stream uses expansion device for expansion of gas followed by compressor for restoring normal pressure

Konrad Gerhard; Poschmann Thomas; Wieland Steffen


Archive | 2000

Brennstoffzellensystem mit kathodenseitigen Wasserabtrennmitteln

Wieland Steffen; Konrad Gerhard; Lamm Arnold


Archive | 2002

Verfahren zur Regelung eines Brennstoffzellensystems

Christen Andreas; Wieland Steffen


Archive | 1999

Verfahren zur autothermen Reformierung eines Kohlenwasserstoffs

Autenrieth Rainer; Docter Andreas; Wieland Steffen


Archive | 2000

Oxygen generation method for fuel cell and/or gas generation system for hydrogen uses membrane module supplied with compressed air for providing air with higher oxygen level and air with lower oxygen level

Wieland Steffen; Poschmann Thomas; Lamm Arnold


Archive | 2001

Fuel cell using hydrogen as fuel employs common fan to supply air to cell and exhaust gases burner

Christen Andreas; Gerling Detlev; Wieland Steffen


Archive | 2000

Anordnung und Verfahren zur Druckbeaufschlagung eines Reaktanden

Docter Andreas; Wieland Steffen; Autenrieth Rainer


Archive | 2001

Fluid dosing method for gas generation device for fuel cell system uses central 3-way mixing valve for pulsed dosing of hydrocarbon and water in alternation

Christen Andreas; Wieland Steffen; Gerling Detlev

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