Name: A new cryomachine to distribute and compress fluids at cryogenic temperatures
Brand: Air Liquide Advanced Technologies

Leveraging more than 50 years of experience in the innovation, design, manufacture and operation of cryogenic turbomachines using magnetic bearings, Air Liquide advanced Technologies is constantly developing new products. Air Liquide advanced Technologies addresses the specific needs of customers using a global approach that combines advice, solution and design. A new range of cryomachines on magnetic bearings has been developed, based on cartridge architecture.

Applications

Refrigeration < 4.5K
Pumping and circulation of all cryogenic fluids

A new cryomachine

PDF - 113.04 KB

Key benefits

Cryomachines can be integrated into compressors, pumps, turbo-alternators and turbo-compressors
Oil-free technologies Greater reliability
Magnetic bearings (no contact or wear)
Key benefits High-efficiency solution
Low maintenance systems
Standardized design for all cryogenic rotating machines (pumps and compressors)
Cartridge architecture for easy assembly and maintenance

Product Description

Those turbomachines are composed of 3 subassemblies:

Standard 13kW motor cartridge

13kW@55,000 rpm high speed synchronous motor
Five axis active magnetic bearings 50 bar housing
Motor and stator water cooling system Instrumentation (position, speed and motor temperature sensors)
Safety ball bearings

Customized parts

Customized rotating parts: impeller and cryogenic shaft extension
Customized cryogenic casing: scroll, diffuser and casing

Electrical cabinet

Dedicated electrical cabinet including all required electronics and power for the control of the motor/magnetic bearings
Electrical cabinet can be customized

Technical advantages

Easy installation
High efficiency
Wide range of flow rates and pressure ratio covered

References

References of turbomachines on magnetic bearings

50 cold compressors
5 cryogenic pumps
1 turbo-alternator
3 moto-turbo-compressors
1 moto-compressor