Yuichi Tsumagari

Title: The Innovative Contributions of Yuichi Tsumagari

Introduction

Yuichi Tsumagari is a notable inventor based in Toyokawa, Japan. He has made significant contributions to the field of electric compressors, holding a total of 11 patents. His work focuses on enhancing the efficiency and functionality of refrigeration systems.

Latest Patents

One of his latest patents is for a sealed-type electric compressor that features a unique refrigerant passage design. This design includes an upper refrigerant passage positioned above a datum line and a lower refrigerant passage below it. The upper passage has a larger cross-sectional area, allowing refrigerant to flow even if the lower passage is blocked by lubricating oil. This innovation reduces pressure loss and prevents lubricating oil from being discharged with the refrigerant. Another significant patent involves the mounting structure of an electric motor-driven compressor. In this design, the compressor is positioned closer to the engine's center of gravity, which minimizes vibration forces applied to the electric motor.

Career Highlights

Throughout his career, Yuichi Tsumagari has worked with prominent companies such as Nippondenso Co., Ltd. and Toyota Industries Corporation. His experience in these organizations has contributed to his expertise in compressor technology and innovation.

Collaborations

Yuichi has collaborated with notable coworkers, including Tetsuhiko Fukanuma and Masami Sanuki. Their combined efforts have led to advancements in compressor design and functionality.

Conclusion

Yuichi Tsumagari's innovative patents and career achievements highlight his significant impact on the field of electric compressors. His work continues to influence the industry and improve refrigeration technology.