Tohoku University Technology: Permanent Magnet Reluctance Generator: T08-080
Maintenance and rare metal free generator
This invention is for a permanent magnet reluctance generator(PMRG) employing the ferrite magnet instead of the rare-earth magnet, which has almost the same output power and efficiency in comparison with the one employed rare-earth magnet in spite of lower cost. The optimum shape for the rotor pole-tip was designed to reduce torque ripple, which enables noiseless running.
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The revenue generated from technology transfer is reinvested as new research funding for universities and researchers, and is utilized to create further research outcomes. To ensure the smooth operation of this cycle, known as the "Intellectual Creation Cycle," we will vigorously promote technology transfer. The types of seeds we handle include patents, know-how, databases, and programs. We have established a collaborative framework by signing basic technology transfer agreements with the following universities (as of June 1, 2025): Tohoku University, Hirosaki University, Iwate University, Akita University, Fukushima University, Yamagata University, Tohoku Gakuin University, Iwate Medical University, Fukushima Medical University, Aizu University, Miyagi University, Hokkaido University, Muroran Institute of Technology, and Showa Medical University.
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