Jan-Erik Larsson

Title: Innovations by Jan-Erik Larsson in Emission Reduction Technologies

Introduction

Jan-Erik Larsson, an inventive mind hailing from Göteborg, Sweden, has made significant strides in the field of emission reduction technologies. With a total of two patents, Larsson's work focuses on optimizing internal combustion engines and catalytic converter systems to minimize their environmental impact.

Latest Patents

Larsson's latest patents showcase his commitment to innovation in reducing harmful emissions. The first patent is a method of reducing emissions in the exhaust gases from an internal combustion engine. This method involves supplying a lean air/fuel mixture, managing the engine's operation at high load, and strategically timing the exhaust valve's opening and closing relative to the piston’s position. By ensuring the crankshaft operates at a stable speed between 1000 to 2000 rpm, this invention aids in lowering emissions effectively.

The second patent details a device and method for reducing emissions in catalytic converter exhaust systems for vehicles. This invention features a control unit that regulates the air-fuel mix to generate a high concentration of hydrogen during engine startup. Additionally, it introduces secondary air downstream to generate a gas mixture, which is then oxidized to produce heat energy. This process effectively reduces the catalyst's light-off time, enhancing the overall efficiency of the exhaust system.

Career Highlights

Jan-Erik Larsson's professional journey includes valuable experience at well-known automotive companies, particularly Volvo Personvagnar AB. His contributions in the field have underscored his dedication to advancing automotive technologies and promoting greener alternatives for internal combustion engines.

Collaborations

Throughout his career, Larsson has collaborated with notable colleagues, including Sören Karlsson and Roger Tengblad. Their joint efforts exemplify the importance of collaboration in fostering innovation and developing effective solutions in the automotive industry.

Conclusion

In conclusion, Jan-Erik Larsson's inventions reflect a proactive approach to addressing the challenges posed by vehicle emissions. His patented methods not only pave the way for improved environmental performance of internal combustion engines and catalytic converters but also set a precedent for future innovations in sustainable automotive technologies.