Company Filing History:
Years Active: 1988-1990
Title: Erich J Schiefer: Innovator in Combustion Measurement Technologies
Introduction
Erich J Schiefer is a notable inventor based in Selzthal, Austria. He has made significant contributions to the field of combustion measurement technologies, holding 2 patents that address critical challenges in the analysis of air/fuel ratios in combustion systems.
Latest Patents
One of Schiefer's latest patents is a method and device for measuring the air/fuel ratio of internal combustion engines. This invention allows for delay-free measurement by analyzing individual components of fuel, ambient air, and exhaust gas. It specifically measures water vapor concentrations in the exhaust gas and ambient air, enabling accurate computation of the air/fuel ratio based on the obtained values and fuel composition data.
Another significant patent is focused on the quantitative analysis of hydrocarbons in gaseous samples. Traditional methods often suffer from systematic inaccuracies due to changes in component composition, leading to measurement errors of 10 to 30%, and sometimes up to 100%. Schiefer's invention proposes using radiation with a frequency band that provides consistent infrared absorption across the main hydrocarbons, thus improving accuracy in determining the total mass of gaseous and condensed hydrocarbons.
Career Highlights
Erich J Schiefer is associated with AVL List GmbH, a company renowned for its expertise in combustion engines and measurement technology. His work has been instrumental in advancing methodologies that enhance the efficiency and accuracy of combustion analysis.
Collaborations
Throughout his career, Schiefer has collaborated with esteemed colleagues such as Wolfgang Schindler and Peter W Krempl. These partnerships have contributed to the development of innovative solutions in the field of combustion measurement.
Conclusion
Erich J Schiefer's contributions to combustion measurement technologies reflect his commitment to innovation and accuracy. His patents not only address existing challenges but also pave the way for future advancements in the field.