Yamaha Yoshikazu

Title: Yamaha Yoshikazu: Innovator in Scroll Compressor Technology

Introduction

Yamaha Yoshikazu is a notable inventor based in Tokyo, Japan. He is recognized for his contributions to the field of air conditioning technology, particularly through his innovative designs and patents.

Latest Patents

Yoshikazu holds a patent for a scroll compressor with a reverse rotation speed limiter. This invention includes an air conditioner that features a scroll type compressor and a brushless DC motor. The motor is equipped with a rotor that has a permanent magnet and a stator with a sensor to detect the relative position of the rotor and stator. Additionally, the rotor comprises a permanent magnet made from rare earth elements, including yttrium, transition metals, and boron. The driving circuit for the motor includes a braking circuit that excites the coils of the motor to reduce reverse rotation of the rotor. This innovative design enhances the efficiency and reliability of air conditioning systems.

Career Highlights

Throughout his career, Yoshikazu has worked with prominent companies such as Seiko Epson Corporation and Diesel Kiki Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced technologies in the field of compressors and air conditioning.

Collaborations

Yoshikazu has collaborated with notable coworkers, including Tatsuya Shimoda and Takeshi Seto. Their combined efforts have led to significant advancements in the technologies they have worked on together.

Conclusion

Yamaha Yoshikazu's innovative work in scroll compressor technology has made a lasting impact on the air conditioning industry. His patent for a scroll compressor with a reverse rotation speed limiter showcases his commitment to enhancing efficiency and performance in this field.