Susumu Tajima

Title: The Innovations of Susumu Tajima

Introduction

Susumu Tajima is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of electrical engineering, particularly in the development of rotating electrical machines and generators. With a total of 12 patents to his name, Tajima's work has had a lasting impact on the industry.

Latest Patents

Among his latest patents is a rotating electrical machine and alternating-current generator. This invention simplifies the winding process of a stator around a stator core while minimizing efficiency degradation. The stator consists of multiple phases, featuring circumferentially divided stator magnetic poles. Each magnetic pole is designed with an arcuate stator core that includes axially extending claw poles and a circumferentially elliptically wound stator winding. The magnetic division of the stator poles reduces magnetic flux leakage, thereby enhancing efficiency. Additionally, the design allows for improved air flow between the stator magnetic poles, which enhances the cooling effect. Another notable patent is an electric generating system for automobiles, which includes a control method aimed at providing sufficient driving force. This system features a high-power generator driven by an engine, with a DC motor that operates directly from the generator's energy. A control circuit regulates the generator's output voltage based on the vehicle's driving force requirements.

Career Highlights

Tajima has worked with notable companies such as Hitachi, Ltd. and Hitachi Automotive Engineering Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in electrical engineering.

Collaborations

Throughout his career, Tajima has collaborated with esteemed colleagues, including Yoshinori Fukasaku and Tatsuyuki Yamamoto. These partnerships have fostered a creative environment that has led to the development of innovative technologies.

Conclusion

Susumu Tajima's contributions to electrical engineering through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence advancements in technology and efficiency in electrical systems.