High-speed magnetic bearing chopper for infrared nanospectroscopy

08. November 2021

Infrared (IR) nanospectroscopy is a non-destructive method for the analysis of molecular structures below the wavelength scale. It is used in a broad range of research applications spanning from biochemistry to geology. A magnetic bearing chopper is a core component to bring this IR method to the next level of spatial resolution. It provides the beam chopping functionality in vacuum, at high frequency and with very low jitter.

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Design of ultra-high speed optical beam chopper rotors

26. October 2021

High-speed beam choppers usually require a fast circumferential and rotational speed and vacuum operation, for which the Celeroton magnetic bearing systems are well suited.

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Centrifugal compressors for refrigerants

24. March 2021

Are centrifugal compressors (also called radial turbo compressors) the right choice for your heating or cooling application?

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Novel High-Speed Turbo Compressor With Integrated Inverter for Fuel Cell Air Supply

04. March 2021

Fuel cell technology is continuously gaining ground in E-mobility applications. Fuel cells require a constant supply of pressurized air, for which high-speed turbo compressors with air bearings are an optimal choice to reduce size, guarantee oil-free operation required for the lifetime of the fuel cell, and increase efficiency.

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Vibration testing of the CT-2X air-bearing turbo compressor for mobile fuel cell applications

15. September 2020

Turbo compressors have to cope with the vibration and lifetime requirements when used in mobile fuel cell applications, such as road vehicles. For ball-bearing compressors, vibration levels impact bearing wear and, therefore, the lifetime. However, this is different for gas bearing compressors, such as the CT-2X compressors: The vibration levels define whether there is any influence on the gas bearing compressor lifetime, if any at all. For this reason, it is necessary to validate the compressor on a test rig in order to verify the specified vibration requirements and to prove the functionality and lifetime impact.

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Demonstration of magnetic bearing chopper operation

The magnetic bearing motor CM-AMB-400 with a chopper rotor is demonstrated in the video below. A laser beam (generated ...

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Turbo compressors for operation at high-altitude

How nice it would be to drive a fuel cell vehicle through the mountains and over a pass emission-free and to enjoy the ...

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