Kiyoshi Akazawa

Title: Kiyoshi Akazawa: Innovator in Refrigeration Technology

Introduction

Kiyoshi Akazawa is a notable inventor based in Ohra-gun, Japan. He has made significant contributions to the field of refrigeration technology, holding a total of 2 patents. His work focuses on enhancing the performance and reliability of refrigerating units.

Latest Patents

Akazawa's latest patents include innovative designs for refrigerating units. One patent describes a refrigerating unit that utilizes a refrigerating machine oil based on a polyol ester system. This unit operates within a refrigeration cycle that employs hydrofluorocarbon refrigerants. The invention specifies that the purity of the hydrofluorocarbon refrigerant must exceed 99.95 wt %, while the chlorine system refrigerant must be limited to below 80 ppm. This design aims to improve the performance and reliability of refrigerating units using refrigerants like R134a by optimizing the physical properties of the polyol ester oil and controlling the equilibrium water content.

Another patent focuses on a lubricant for refrigerating units that also uses hydrofluorocarbon refrigerants combined with polyol ester system oil. Similar to the first patent, it emphasizes the importance of high purity levels for the refrigerant and low chlorine impurity levels. This innovation further enhances the efficiency and reliability of refrigerating units.

Career Highlights

Kiyoshi Akazawa is currently associated with Sanyo Electric Co., Ltd., where he continues to develop advanced refrigeration technologies. His expertise in this field has positioned him as a key contributor to the company's innovative projects.

Collaborations

Throughout his career, Akazawa has collaborated with notable colleagues, including Masato Watanabe and Kiyoshi Tanaka. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Kiyoshi Akazawa's contributions to refrigeration technology through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to influence advancements in refrigerating units, ensuring improved performance and reliability.