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Dive into the research topics where Helmut Lorenz is active.

Publication


Featured researches published by Helmut Lorenz.


Archive | 1993

Dynamic power regulation system for vehicle electric drive unit - regulates power output delivered by fuel cell using correction of oxidant mass flow rate

Helmut Lorenz; Karl-Ernst Noreikat; Thomas Klaiber; Wolfram Fleck; Josef Sonntag; Gerald Hornburg; Andreas Gaulhofer


Archive | 1996

Method and device for vehicle fuel cell dynamic power control

Helmut Lorenz; Karl-Ernst Noreikat; Thomas Klaiber; Wolfram Fleck; Josef Sonntag; Gerald Hornburg; Andreas Gaulhofer


Archive | 1996

Process for dynamically adjusting the power for a vehicle having a fuel cell

Josef Sonntag; Helmut Lorenz


Archive | 1996

Apparatus and method for starting a fuel cell vehicle

Helmut Lorenz; Karl-Ernst Noreikat; Thomas Klaiber; Wolfram Fleck; Josef Sonntag; Gerald Hornburg; Andreas Gaulhofer


Archive | 1999

Bidirectional DC/DC converter with a step-up mode in one direction and a step-down mode in the other direction

Ludwig Vollmer; Andreas Schell; Helmut Lorenz


Archive | 1994

Device and method for the dynamic power control of a vehicle with fuel cell

Helmut Lorenz; Karl-Ernst Noreikat; Thomas Klaiber; Wolfram Fleck; Josef Sonntag; Gerald Hornburg; Andreas Gaulhofer


Archive | 1994

Apparatus and method for starting a vehicle with fuel cells

Helmut Lorenz; Karl-Ernst Noreikat; Thomas Klaiber; Wolfram Fleck; Josef Sonntag; Gerald Hornburg; Andreas Gaulhofer


Archive | 2002

Method for operating a load-dependent power-generating system in a vehicle

Klaus Keilhofer; Helmut Lorenz


Archive | 1996

Method for setting dynamic power of a vehicle with a fuel cell

Josef Sonntag; Helmut Lorenz


Archive | 2010

Motor vehicle for use with illuminating device mounted in vehicle headliner, has radio-based transmission device in sun visor, where associated receiving device is provided in illumination device

Stefan Dipl.-Ing. Bauer; Otto Joch; Gerhard Dr. Kirchberger; Daniel Köhler; Helmut Lorenz; Thomas Partsch; Claudia Radovic; Ian Turner

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