Sota Shimada

Title: Sota Shimada: Innovator in Refrigeration Technology

Introduction

Sota Shimada is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of refrigeration technology, holding 2 patents that showcase his innovative approach to compressor and heat exchanger design.

Latest Patents

Shimada's latest patents include a rotary compressor and a refrigeration cycle device. The rotary compressor features a closed upright cylindrical housing with a discharge section for refrigerant and an intake section for suctioning refrigerant. It incorporates a compression section designed to compress the refrigerant and a motor that drives this section. Notably, the motor's rotor is positioned on the inner side, while the stator is on the outer side. The compressor is designed to utilize HFO1123 refrigerant or a mixture containing it, with a unique inner welded portion formed by welding using flux.

The second patent, a heat exchanger, consists of a heat transfer pipe with a spiral groove on its inner surface. The design ensures that the height of the inner wall of the groove is at least 0.1 mm. The inclination angle between the pipe axis and the groove's longitudinal direction is acute, and the wetted area of the heat transfer pipe meets specific criteria for efficiency.

Career Highlights

Sota Shimada is currently employed at Fujitsu General Limited, where he continues to develop innovative solutions in refrigeration technology. His work has significantly impacted the efficiency and effectiveness of refrigeration systems.

Collaborations

Shimada collaborates with notable colleagues, including Shunji Itakura and Ken Horiguchi, who contribute to his projects and innovations.

Conclusion

Sota Shimada's contributions to refrigeration technology through his patents and work at Fujitsu General Limited highlight his role as an influential inventor in the industry. His innovative designs continue to shape the future of refrigeration systems.