Newsroom – from News to Tech

Filtern nach:

Announcement Celeroton TurboCell

We are pleased to inform you about the foundation of Celeroton TurboCell AG which is taking over all air compressor for fuel cell activities and products from Celeroton AG.

Read article
Artikel «Announcement Celeroton TurboCell» lesen

Cryogenics – A customer experience

Cryogenic applications present formidable challenges due to demanding operating requirements, including a wide range of ambient conditions and extremely low temperatures. Celeroton's proprietary gas bearing design tools enable the development of unique solutions focused on minimizing losses in the gas bearings at cryogenic temperatures.

Artikel lesen
Artikel «Cryogenics – A customer experience» lesen

Turbo compressor vs. side channel blower

In the world of compressor technology, there are various approaches to compressing gases. The most common options are the turbo compressor and the side channel blower. In this article, you will find out what advantages the turbo compressor has over the side channel blower.

Read article
Artikel «Turbo compressor vs. side channel blower» lesen

Integrating a compressor system

Piping, cabling, equipment, control, cooling connection: Simply explained using three typical areas of application for our products: Mobile application, stationary industrial application and test bench.

Read article
Artikel «Integrating a compressor system» lesen

Stable gas bearings

Celeroton considers the required operating range of its gas bearings in an early phase of the system design and thereby trial-and-error design loops. This allows for fast time to market in customized systems. Furthermore, Celeroton validates the gas bearing stability in serial production. Therefore, at Celeroton, each compressor comes with a gas bearing quality control.

Read article
Artikel «Stable gas bearings» lesen

15 years – this is how long Celeroton AG has been around!

To celebrate this great event, we met with our families at the Juckerhof in Seegräben and spent a wonderful afternoon/evening. We share with you a few impressions of our celebration and take you on a short time travel through the last 15 years.

Read article
Artikel «15 years – this is how long Celeroton AG has been around!» lesen

Celeroton solutions for light commercial vehicles

Hydrogen and fuel cells are considered key pillars of the energy transition. Among the various fuel cell applications, light commercial vehicles are particularly attractive because of the typical ranges and weight constraints required. Celeroton’s recently launched CT-/CC-2000 is a novel turbo compressor system, which is particularly suited for this vehicle segment and is especially efficient and reliable.

Read article
Artikel «Celeroton solutions for light commercial vehicles» lesen

Cooling of a pixel tracker using gaseous helium

Cooling pixel detectors in experimental particle physics with helium requires the oil-free recirculation of the rare gas. The concept presented in the following paper is not limited to pixel detector applications and can be used to cool any surface with respective heat-densities, only limited by shaping the helium gas flow with the turbo compressor CT-1050-He.

Read article
Artikel «Cooling of a pixel tracker using gaseous helium» lesen

Vibration resistance of air bearing turbo compressors

An important aspect in mobile fuel cell applications is the vibration resistance, with vibration requirements up to 20 g in automotive applications. Read more in the paper how air bearing radial turbo (also called centrifugal) compressors are designed for this and see in a video how turbo compressors from Celeroton handle this requirement.

Read article
Artikel «Vibration resistance of air bearing turbo compressors» lesen

High-speed magnetic bearing chopper for infrared nanospectroscopy

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.

Read article
Artikel «High-speed magnetic bearing chopper for infrared nanospectroscopy» lesen

New Turbo Compressor System CT-2000 / CC-2000

Developed for fuel cell air supply with a net output of 30 to 60 kW, the new turbo compressor system offers an outstanding power-to-weight ratio with values for air mass flow and pressure ratio that have been increased once again compared its predecessor. The maximum speed has also been increased, enabling a further reduction in installation space with a simultaneous increase in efficiency.

Read article
Artikel «New Turbo Compressor System CT-2000 / CC-2000» lesen

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 by a FP-Mini-520 from Laser Components) is cropped by a precision pinhole with an opening of 500 µm, then passes through the chopper and detected by a photodiode (ODD-1WB by Opto Diode). The current of the photodiode is amplified by a transimpedance amplifier and made visible with a digital oscilloscope.

Read article
Artikel «Demonstration of magnetic bearing chopper operation» lesen

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 scenery? This is now possible with Celeroton's CT-2X series of turbo compressors with gas bearings!

Read article
Artikel «Turbo compressors for operation at high-altitude» lesen

Novel high-speed turbo compressor with integrated inverter for fuel cell air supply

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.

Read article
Artikel «Novel high-speed turbo compressor with integrated inverter for fuel cell air supply» lesen

Quo vadis?

The Horizon 2020 SME Instrument programme aims to help innovative SMEs with strong growth potential in international markets.

Read article
Artikel «Quo vadis?» lesen

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

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.

Read article
Artikel «Vibration testing of the CT-2X air-bearing turbo compressor for mobile fuel cell applications» lesen

Combining electronics and a turbo compressor in one device - the new CTi-17-700/1000.GB

Electrification in various industries, especially in mobile applications and vehicles, is more and more driven by hydrogen fuel cell systems. Celeroton’s latest achievement helps to further reduce the size of the fuel cell system and simplify the integration of the compressor into the balance of plant, and, therefore, supporting the worldwide trend.

Read article
Artikel «Combining electronics and a turbo compressor in one device - the new CTi-17-700/1000.GB» lesen

Advantages of Celeroton oil-free helium compressors

With its 100% oil-free and gas-tight design, the Celeroton CT-NG-2000 compressor for Helium is the ideal solution for applications requiring low-pressure helium and other inert gas recirculation.

Read article
Artikel «Advantages of Celeroton oil-free helium compressors» lesen

Turbo compressors for noble and inert gas applications

With the launch of the turbo compressor series CT-NG, Celeroton is further extending its product portfolio of ultra-high-speed, gas bearing turbo compressors with a turbo compressor specifically optimized for noble and inert gases. As a first variant of the turbo compressor series, the CT-NG-2000 is available for 100% oil-free compression of helium.

Read article
Artikel «Turbo compressors for noble and inert gas applications» lesen

Recirculation of noble or inert gases

Noble or inert gas recirculation is used for various processes, such as cooling of sensitive equipment in physical experiments, semiconductor production equipment, additive manufacturing or in laser sources. These applications have large differences in the required pressure ratios and mass flows.

Read article
Artikel «Recirculation of noble or inert gases» lesen

New CT-2X series

Celeroton presents the new CT-2X turbo compressor series with air bearings in order to meet the increased market demand for higher mass flow and pressure ratios. The CT-2X consumes the lowest available space, offers a long lifetime, oil-free operation, lowest weight and an optimized cost on the market.

Read article
Artikel «New CT-2X series» lesen

Development of an oil-free turbo compressor for mobile fuel cell applications – challenges and results

The compressor for supplying air to a fuel cell stack is a critical component in the balance of plant (BoP), especially for mobile applications. The main requirements of the compressor are the performance concerning pressure ratio, mass flow and efficiency, while having a minimal size and weight. The turbo compressor technology is ideally suited to meet these requirements.

Read article
Artikel «Development of an oil-free turbo compressor for mobile fuel cell applications – challenges and results» lesen

Highest level of tightness, lowest leakage rates of turbocompressors with gas bearings in noble gas processing

Compressor applications frequently require a high demand for tightness performance of the turbo compressor. For many reasons this feature is important to minimize and avoid risks of health, environment, fire, failure and cost. Since 100% system tightness – even using O-rings is unfeasible, the method to achieve the required minimal system tightness level is crucial.

Read article
Artikel «Highest level of tightness, lowest leakage rates of turbocompressors with gas bearings in noble gas processing» lesen

Celeroton receives funding from EU Horizon 2020 SME instrument phase 2 program

Celeroton was awarded a phase 2 project from the highly competitive EU Horizon 2020 SME instrument program. The grant will be used to take the last technical and commercial steps to introduce our unique turbo compressor systems as the key technology for oxygen supply in the fuel cell vehicle market.

Read article
Artikel «Celeroton receives funding from EU Horizon 2020 SME instrument phase 2 program» lesen

New 7.5 kW fuel cell converter

Upgrade: Our new fuel cell converter CC-550-7500 offers even more power. Through continuing development of the Celeroton technology, the drive power is increased from 5 to 7.5 kW while keeping the price stable.

Read article
Artikel «New 7.5 kW fuel cell converter» lesen

Small-scale turbo compressors for more efficient take-off/landing and cruise of future aircraft

Airplanes play an important role in today’s worldwide transportation system. To handle the growing weight of freight and number of passengers, the plane size must increase while existing runways often cannot be extended. At the same time, there are increasing demands for reducing noise and increasing efficiency due to CO2 emissions and global warming.

Read article
Artikel «Small-scale turbo compressors for more efficient take-off/landing and cruise of future aircraft» lesen

Multi-stage control and operation of miniaturized gas bearing turbo compressors in gas separation plants

For efficient production and for avoiding long transport distances, our customer operates gas separation plants directly at it's clients' sites. These plants typically use turbo compressors with several 100 kW electrical power. To optimize these plants and to improve gas separation methods, pilot plants are operated in a laboratory environment. Learn more about this in the article...

Read article
Artikel «Multi-stage control and operation of miniaturized gas bearing turbo compressors in gas separation plants» lesen

Gas bearing drive system opens up new applications for turbo compressors

Within the world of classical process applications, turbo compressors are quickly reaching their limits. The miniaturization and use of gas bearings in drive systems has paved the way for turbocharger applications where previously small diaphragm, piston or rotary compressors have been applied.

Read article
Artikel «Gas bearing drive system opens up new applications for turbo compressors» lesen

Celeroton oil-free compressor CT-17-1000.GB in a maritime fuel cell application

Michelin Recherche et Technique beside other project partners is a technology provider for alternative propelled boats. With the project Yelo H2 a maritime demonstrator boat - with the purpose of validating hydrogen technology in maritime applications - has been built. The boat, called “Galilée”, was put into operation in October 2017 and connects the marina of the city of La Rochelle with its city center.

Read article
Artikel «Celeroton oil-free compressor CT-17-1000.GB in a maritime fuel cell application» lesen

Application example: Towards optical switches based on high-speed magnetic bearing motor CM-AMB-400

A number of emerging applications ask for a dramatically improved performance of femtosecond laser systems concerning pulse energy. Due to limitations in the amplifier medium, further improvements within the laser source are increasingly challenging. Stacking of multiple amplified pulses via methods such as Stack-and-Dump seems to be a possible solution.

Read article
Artikel «Application example: Towards optical switches based on high-speed magnetic bearing motor CM-AMB-400» lesen

Energy saving potential with oil-free turbo compressors in fuel cell systems

Due to their compact design and high efficiency, oil-free electrical turbo compressors are ideally suited for mobile fuel cell systems, e.g. in vehicles and thus have great energy saving potential compared to standard compressors. This article presents a comparison with other compressor technologies and the potential for improvement in converter topology.

Read article
Artikel «Energy saving potential with oil-free turbo compressors in fuel cell systems» lesen

Use of an electrical compressor to improve torque and transient behaviour of diesel engines

In combination with the appropriate software and motor parametrization, an additional compressor can also reduce pollutant emission. Robert Bosch GmbH has successfully tested, combined with the respective control, the Celeroton turbo compressor CT-14-1000 in a diesel motor test rig.

Read article
Artikel «Use of an electrical compressor to improve torque and transient behaviour of diesel engines» lesen

New reaction wheel concept

Honorable mention of the new reaction wheel concept for small satellites developed by Celeroton and researchers from ETH Zurich (Power Electronic Systems Laboratory) in the Tech Briefs Create the Future Design Contest 2017.

Read article
Artikel «New reaction wheel concept» lesen

Application examples of the magnetic bearing CM-AMB-400 motor for optical applications

High speed rotating elements, such as disc shaped rotors crossing a beam, infrared and X-ray choppers, are used to deflect a beam. The modular assembly of the magnetic bearing motor CM-AMB-400 allows the use of an application specific rotor. The concept of the magnetic bearing motor is such that a beam can be guided in radial or axial direction to the rotor to be deflected or chopped by the rotation.

Read article
Artikel «Application examples of the magnetic bearing CM-AMB-400 motor for optical applications» lesen

New Magnetic Bearing Controller with Precision Control

The new Magnetic Bearing Controller, CC-AMB-1500, is the perfect fit for Celeroton’s high-speed magnetic bearing motors. Thanks to the integration of the bearing and drive control, the compact controller is ideally suited to drive various high speed, high precision motor applications.

Read article
Artikel «New Magnetic Bearing Controller with Precision Control» lesen

Celeroton receives funding from SERI within a Horizon 2020 project

Celeroton receives funding, within the scope of the European Horizon 2020 framework programme, from the Swiss State Secretariat for Education, Research and Innovation (SERI) for the design and realisation of a gas bearing turbo compressor for use in a 100 kW fuel cell system. Volvo Car Group will integrate and test the system.

Read article
Artikel «Celeroton receives funding from SERI within a Horizon 2020 project» lesen

Miniaturized, oil-free turbo compressors with gas bearings for heating and cooling applications

Oil-free, miniaturized turbo compressors with gas bearings have not been employed in industrial heating and cooling applications due to the challenges in design, manufacturing and operation. In this paper, the technical challenges due to miniaturization are described and potential solutions are elaborated.

Read article
Artikel «Miniaturized, oil-free turbo compressors with gas bearings for heating and cooling applications» lesen

Turbo compressors for fuel cell vehicles

The Swiss fuel cell company Swiss Hydrogen is already using the Celeroton oil-free air bearing turbo compressor CT-17.1000.GB with converter CC-120-1000 for the air supply of a 10 kW fuel cell range extender in a Fiat 500.

Read article
Artikel «Turbo compressors for fuel cell vehicles» lesen

Launch of turbo compressors with gas bearings

Celeroton AG, the leading manufacturer of ultra-high-speed electrical drive systems with speeds up to 1 million rpm, launches its first turbo compressors with gas bearings – unique in their weight and performance, being wear- and oil-free, and obtaining the highest levels of energy efficiency.

Read article
Artikel «Launch of turbo compressors with gas bearings» lesen

New Converter CC-230-3500

With the newly designed converter CC-230-3500 Celeroton extends its product portfolio with a highly compact, grid-connected converter with an active input-stage (PFC) and a maximal output voltage of 400 V. This is achieved at an output power of 3.5 kW and an output current of 15 Arms.

Read article
Artikel «New Converter CC-230-3500» lesen

Product Launch CM-AMB-400

With the new CM-AMB-400 Celeroton enlarges its product portfolio with the first high-speed active magnetic bearing motor for direct drive of applications with speeds up to 400,000 rpm.

Read article
Artikel «Product Launch CM-AMB-400» lesen

New distribution partner for Germany and Austria

Celeroton AG is proud to announce a new, strong distribution partner: MACCON GmbH. Thereby the leading manufacturer of ultra-high-speed electrical drive systems with speeds up to 1 million rpm gains a strong distribution partner for drive technologies for industrial applications as well as for aerospace in Germany and Austria and hence expands its distribution network.

Read article
Artikel «New distribution partner for Germany and Austria» lesen

SBFI Supports Our Reaction Wheel Research Project

Lighter and low-vibration satellites are possible due to magnetic bearing technology: The Swiss State Secretariat for Education, Research and Innovation (SBFI) supports one of our research projects.

Read article
Artikel «SBFI Supports Our Reaction Wheel Research Project» lesen

Combining forces in far markets

For two years Celeroton has had a strong partnership with Nippon Schneeberger KK, our sales representative on the ground in Japan. Here we present an interview with Schneeberger’s Managing Director Michael Kadoma.

Read article
Artikel «Combining forces in far markets» lesen

Product Launch: Converter CC-120-1000

Confined space, low weight and often large vibrations – providing the air supply for fuel cells is a challenge for every drive system. Celeroton presents a new electronic converter, which is perfectly adapted to these harsh environments.

Read article
Artikel «Product Launch: Converter CC-120-1000» lesen

Turbo Compressors Enable Lighter Satellites

For the cooling of electronics in future satellites, heat pumps might be the solution. They can be built to be more efficient, lighter and compact thanks to Celeroton’s turbo compressors. This was proven in a series of experiments with ground-breaking results.

Read article
Artikel «Turbo Compressors Enable Lighter Satellites» lesen

New Distribution Partner for Northern America

In late 2013 Celeroton established a collaboration with Berton & Berton Inc. in Salem (Massachusetts, USA). With this partner we are able to better serve our clients in the US and Canada. A short interview on the new partnership.

Read article
Artikel «New Distribution Partner for Northern America» lesen

Modeling and Comparison of Machine and Converter Losses for PWM and PAM in High-Speed Drives

In this paper, models are introduced for calculating the rotor, copper, and core losses of an electrical machine as well as inverter losses, taking the modulation type into account. These models are developed by considering two typical high-speed permanent-magnet synchronous motor topologies (slotted and slotless machines) driven by pulse-amplitude modulation (PAM) and pulsewidth modulation (PWM) converters.

Read article
Artikel «Modeling and Comparison of Machine and Converter Losses for PWM and PAM in High-Speed Drives» lesen

Low Voltage Converter CC-100-1000

Sensorless within the smallest space. Celeroton presents with the new CC-100-1000 an extremely compact converter with a power output of 1 kW and all as a single PCB solution. This new electronics allows for sensorless speed control of synchronous and asynchronous motors with rotational speeds of up to 500,000 rpm.

Read article
Artikel «Low Voltage Converter CC-100-1000» lesen

Launch of Turbo Compressor CT-15-150

With the new CT-15-150, small pressure differences and mass/volume flows are now covered by ultra-high-speed turbo compressors. This provides benefits concerning volume, weight and efficiency.

Read article
Artikel «Launch of Turbo Compressor CT-15-150» lesen

Model-Based Loss Minimization in High-Speed Motors

The trend to higher rotational speeds in drive systems possesses several challenges, one of which is the thermal constraints due to the higher loss densities in the electrical machines. In this paper, loss models are used to evaluate different converter modulation schemes as well as changes in the machine construction, in order to find a loss-optimal drive system.

Read article
Artikel «Model-Based Loss Minimization in High-Speed Motors» lesen

5 Years Celeroton

For five years now, we have been working full steam on innovative solutions in ultra-high-speed electrical drive systems. It is high time for a review.

Read article
Artikel «5 Years Celeroton» lesen

Micro-generator for ultra micro gas turbine

This micro gas turbine designed by Onera targets an electrical power generation of 55 W at a rotational speed of 840,000 rpm. Celeroton contributes a micro-generator to this project which is described in this paper in design, realization and experimental verification.

Read article
Artikel «Micro-generator for ultra micro gas turbine» lesen

The design of ultra-high-speed miniature centrifugal compressors

This paper describes experience in the development and application of several ultra-high-speed miniature centrifugal compressors with an impeller diameter less than 30 mm and using high speed electric motors to provide rotational speeds between 200,000 and 600,000 rpm.

Read article
Artikel «The design of ultra-high-speed miniature centrifugal compressors» lesen

Design and control of an ultra-high speed turbo compressor for the air management of fuel cell systems

The compressor is a crucial component of the Air Management System (AMS) used in fuel cell systems. The adoption of a turbo compressor can dramatically reduce the size of the AMS, which is a basic requirement for transportation applications. In this paper, the ultra-high speed turbo compressor technology is employed in the compressor design, which results in ultracompact size and high efficiency.

Read article
Artikel «Design and control of an ultra-high speed turbo compressor for the air management of fuel cell systems» lesen

New Converter CC-75-500

Celeroton launches its new converter for sensorless control of ultra-high-speed permanent-magnet synchronous machines (PMSM) and brushless DC motors (BLDC).

Read article
Artikel «New Converter CC-75-500» lesen