Development of 10 kW turbo-Brayton refrigerator for HTS power applications

S Ozaki, H Hirai, M Hirokawa… - IOP Conference Series …, 2019 - iopscience.iop.org
HTS power applications have been developed actively and the refrigerator requires larger
cooling power. To satisfy this request we have developed 10 kW class turbo-Brayton …

Active magnetic bearing for a liquid nitrogen pump

Y Kamioka, K Kajikawa, H Hirai, S Ozaki… - IOP Conference …, 2019 - iopscience.iop.org
The development of a liquid nitrogen submerged pump for HTS applications is underway. A
cryogenic active magnetic bearing is the main component of the pump. The bearing makes …