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Wittig Frank-Michael

Volkswagen

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Publication

Featured researches published by Wittig Frank-Michael.

Archive | 2009

Verfahren zum Messen einer Abgaszusammensetzung

Daetz Michael; Wittig Frank-Michael; Bruhn Sven

Archive | 2001

Verfahren und Vorrichtung zur Regelung einer Verbrennungskraftmaschine

Drueckhammer Jens; Wehling Wolfgang; Krebs Rudolf; Lang Axel; Almstadt Kurt; Wittig Frank-Michael

Archive | 2003

Exhaust gas device in multicylinder combustion machine includes exhaust gas-sensitive gas sensor for determining ratio of air to fuel and catalyzer near engine of device and coupled to gas sensor

Daetz Michael; Wittig Frank-Michael; Donnerstag Achim

Archive | 2000

Engine exhaust gas composition measurement for vehicle, involves estimating probe temperature based on internal resistance, and correction voltage from characteristic curve that relates actual voltage and temperature

Daetz Michael; Wittig Frank-Michael; Bruhn Sven

Archive | 2001

Operating exhaust gas purification device comprises operating engine in rich operating mode with reduction catalyst and oxidation catalyst and adjusting secondary air pump to specified lambda value

Daetz Michael; Wittig Frank-Michael

Archive | 2001

Exhaust cleaning unit for remote-ignition internal combustion engine has two 3-way catalytic converters with turbo charger in between and controllable secondary air pump and regulating and measuring devices to reduce toxic emissions

Daetz Michael; Wittig Frank-Michael

Archive | 2011

Exhaust gas sensor i.e. oxygen sensor, dynamic diagnosing method for motor vehicle, involves evaluating dynamic of gas sensor by response of measured signals of closed loop that is determined by modification of controlling signal

Wittig Frank-Michael; Surburg Hans Joachim

Archive | 2007

Diagnosing catalyst arranged in exhaust gas system of internal combustion engine comprises measuring oxygen storage capacity of partial or total volume of catalyst in heating up phase and further processing

Wittig Frank-Michael; Surburg Hans Joachim

Archive | 2000

Verfahren zur Zustandserfassung eines Katalysatorsystems

Loeck Harald; Wachtendorf Axel; Kammann Uwe; Wittig Frank-Michael; Lang Axel; Krebs Rudolf; Daetz Michael; Koenig Axel

Archive | 2015

Verfahren zum Betreiben einer Brennkraftmaschine mit bivalenter Brennstoffzufuhr

Bergmann Helge; Föhr Michael; Wittig Frank-Michael; Surburg Hans Joachim

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Daetz Michael

Volkswagen

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Surburg Hans Joachim

Volkswagen

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Bruhn Sven

Volkswagen

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Donnerstag Achim

Volkswagen

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Krebs Rudolf

Volkswagen

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Lang Axel

Volkswagen

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Almstadt Kurt

Volkswagen

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Drueckhammer Jens

Volkswagen

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Hahn Hermann

Volkswagen

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Kammann Uwe

Volkswagen

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