Robert Graumueller

Title: **Robert Graumueller: Innovator in Multi-Fuel Injection Technology**

Introduction

Robert Graumueller, an accomplished inventor based in Kiel, Germany, has made significant contributions to the field of fuel injection systems. With a total of two patents to his name, he has been pivotal in advancing technology for internal combustion engines, focusing particularly on multi-fuel capabilities.

Latest Patents

Graumueller's most recent patents include innovative designs for fuel injection systems. The first patent, titled "Multi-fuel injection system and injector," describes a multi-fuel injector equipped with a primary fuel inlet for liquid primary fuel and a pilot fuel inlet for a different fuel. The system features a spill valve linked to the primary fuel inlet, a control valve for regulating hydraulic pressure, and an injection valve designed to inject both fuels simultaneously for enhanced engine performance. His second patent, "Method and gas fuel injection unit for operating an internal combustion engine," outlines a method for optimizing gas engine operations, involving direct injection of gas fuel into the combustion chamber at a pressure lower than the engine's compression-end pressure.

Career Highlights

Graumueller has enjoyed a rewarding career, having worked for notable companies such as Caterpillar Motoren GmbH & Co. KG and Caterpillar Inc. His experience in these organizations has facilitated his development of cutting-edge technologies in fuel systems.

Collaborations

Throughout his career, Graumueller has collaborated with distinguished colleagues, including Dana Ray Coldren and Eric Lee Schroeder. These collaborations have likely contributed to his ability to innovate and refine his inventions, paving the way for advancements in engine performance and efficiency.

Conclusion

Robert Graumueller's work in multi-fuel injection technology exemplifies the spirit of innovation essential for the evolution of internal combustion engines. Through his patents and collaborations, he continues to impact the automotive and engineering sectors significantly. His contributions reflect a commitment to improving engine technology for diverse fuel applications.