Lighter, more compact, more reliable

When it comes to fuel cells, our turbo compressors and converters make the difference

  • Highest efficiency
  • Low weight and volume
  • Oil-free
  • Low vibration
Graphic of a fuel cell system

Whether in the automotive industry, aerospace, municipal vehicles, forklifts, light commercial vehicles, heavy duty (HD) commercial vehicles, drones, industrial trucks, trains, ships, aviation, construction machinery or mining vehicles – fuel cells are often the key to clean transportation. Volume and weight are decisive factors in fuel cell systems, especially in balance of plant (BoP) components, and more specifically in the air management sub-system. Celeroton’s electrically driven turbo compressors achieve the performance of conventional scroll or displacement compressors with significantly smaller volume and weight thanks to maximum speeds and in most cases greater efficiency.

In addition to increasing efficiency, our air compressors enable highly dynamic pressure and mass flow control. For larger compressor powers, the use of a turbine is also an appropriate option to further increase of the efficiency of the PEM fuel cell system. As continuous fluid flow machines, they operate continuously and are oil-free thanks to their gas bearing. This ensures that the air supplied remains pure and any pressure ripple is eliminated, which offers major advantages for sensitive fuel cells. Noise and vibration are kept to a minimum.

The turbo compressors are used in mobile applications as cathode air blowers and are suitably robust as well as shock proven and vibration proven. Beside pure fuel cell vehicles, our systems can also be used in so-called range extenders, which massively expand the range of electrically driven delivery vehicles and passenger cars. The technology also offers major advantages for stationary, decentralized energy supply. On request, Celeroton also offers solutions for operation in wet hydrogen for the recirculation of hydrogen.

Depending on the application, our converters allow compressors to be started straight from an auxiliary power supply, such as a battery. As soon as the fuel cell stack has reached the working range, the converter is fed from this voltage. This eliminates the need for additional DC-DC converters, saving additional volume and weight in application and thus also costs. It is also possible to operate from the vehicle’s DC bus or the high-voltage battery.

Compressor assembly

Turbo compressors: ultra-compact and oil-free

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Turbo compressors: ultra-compact and oil-free
Converter assembly

Compressor converter system: everything from one source

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Compressor converter system: everything from one source