Eaton, a leading intelligent power management company, is set to present an array of innovative hydrogen-powered solutions for commercial vehicles at IAA Transportation 2024. The event, running from 17-22 September, will highlight Eaton’s hydrogen technologies designed to drive efficiency and sustainability in the transport sector.
At the heart of Eaton’s showcase is its hydrogen recirculation blower, a device that enhances the performance and longevity of hydrogen fuel cells. Based on Eaton’s Twin Vortices Series (TVS) technology, the blower recycles excess hydrogen within the fuel cell system. This cycling process improves efficiency, extends system lifespan, and mitigates cold start issues, while maximising hydrogen utilisation. According to Eaton, these innovations could play a vital role in decarbonising the commercial vehicle industry.
Scott Adams, Senior Vice President for Global Products at Eaton’s Mobility Group, stated, “Hydrogen has the potential to significantly reduce emissions in commercial transport. Whether the vehicle is powered by a hydrogen fuel cell or a hydrogen internal combustion engine (ICE), Eaton’s technologies are well-positioned to support the transition to cleaner energy.”
Hydrogen Internal Combustion Engines: New Challenges, New Solutions
Eaton’s expertise in engine air management has been pivotal in developing solutions for hydrogen-powered internal combustion engines (ICEs). These engines, which require more air during combustion than traditional diesel engines, face unique challenges, such as higher combustion chamber temperatures, increasing the risk of auto-ignition or knocking. To address these issues, Eaton has applied its vast experience in valve production to create next-generation hollow valves. This innovative design reduces temperatures in the engine, mitigating the risk of knocking while using more cost-effective materials.
The company’s TVS supercharger is another key technology aiding hydrogen ICE performance. The supercharger provides instant airflow at low engine speeds, crucial for these engines’ operation, and can be disengaged when not needed, thus reducing parasitic losses. Furthermore, it can complement turbochargers in super-turbo applications, enhancing overall engine efficiency.
Advanced Engine Braking for Hydrogen-Powered Vehicles
Eaton’s hydrogen ICE solutions also extend to braking systems. These engines typically require more robust engine braking due to their low compression ratio. To meet this need, Eaton developed a 1.5-stroke engine brake, which delivers 40% more braking power at low speeds compared to traditional engine brakes. Testing has shown that the combination of Eaton’s supercharger and this advanced braking system can enhance braking power by up to 20%.
Pioneering the Future of Hydrogen Technology
Eaton’s innovations underscore the company’s commitment to fostering sustainability and energy efficiency in the transport industry. By showcasing these hydrogen solutions, Eaton aims to support the transition to cleaner, hydrogen-powered commercial vehicles, aligning with global efforts to decarbonise transportation.
Eaton’s booth at IAA Transportation 2024, located in Hall 21, Booth B22, will feature these cutting-edge solutions. The company, founded in 1911, has a long history of technological innovation and reported revenues of $23.2 billion in 2023. Eaton’s products serve various industries, including aerospace, utilities, and mobility, in over 160 countries worldwide.
With its global reach and focus on electrification and digitalisation, Eaton remains at the forefront of the shift towards renewable energy, helping to build a more sustainable future for generations to come.