Shigekazu Nozawa

Title: Shigekazu Nozawa: Innovator in Compressor Technology

Introduction

Shigekazu Nozawa is a prominent inventor based in Shizuoka, Japan. He has made significant contributions to the field of compressor technology, holding a total of 18 patents. His work focuses on enhancing the efficiency and reliability of displacement type compressors.

Latest Patents

One of his latest patents is for a displacement type compressor that features a self-start synchronous motor and a start load reducing means. This invention allows the compressor to start reliably without increasing its outside diameter while utilizing a highly energy-efficient self-start synchronous motor. The design includes a compression part with a compression chamber for compressing a working fluid, all housed within a hermetic container. Additionally, he has developed a motor that comprises a stator and a rotor, where the stator core is made of laminated stator core plates. These plates are designed with straight cut surfaces that are circumferentially displaced to ensure a flow passage for lubricating oil, thereby improving performance by reducing local magnetic saturation and enhancing torque characteristics.

Career Highlights

Shigekazu Nozawa has worked with notable companies such as Hitachi, Ltd. and Hitachi Appliances, Inc. His experience in these organizations has contributed to his expertise in developing innovative technologies in the field of compressors.

Collaborations

Throughout his career, Nozawa has collaborated with talented individuals, including Masayuki Urashin and Takeshi Hida. These partnerships have likely played a role in advancing his inventions and expanding his impact in the industry.

Conclusion

Shigekazu Nozawa's contributions to compressor technology demonstrate his innovative spirit and commitment to enhancing energy efficiency. His patents reflect a deep understanding of engineering principles and a dedication to improving the functionality of mechanical systems.