Shigeji Oishi

Title: Shigeji Oishi: Innovator in Electric Expansion Valves

Introduction

Shigeji Oishi is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of refrigeration technology. His innovative work has led to the development of a patented electric expansion valve, which plays a crucial role in modern refrigeration systems.

Latest Patents

Shigeji Oishi holds a patent for an electric expansion valve and refrigeration cycle device. This invention includes a drive unit, an output shaft, a main body, a valve body, and a joint portion. The drive unit receives electric power and generates the necessary drive force to rotate and translate the output shaft. The main body features a first inflow/outflow port, a second inflow/outflow port, a valve chamber, and a valve seat. The valve chamber is strategically placed in a refrigerant passage that connects the two inflow/outflow ports. The valve seat is located inside the valve chamber, while the valve body is designed to open and close the valve seat's opening. The joint portion connects the output shaft's end to the valve body, allowing for integrated displacement.

Career Highlights

Shigeji Oishi is associated with Denso Corporation, a leading company in the automotive components industry. His work at Denso has allowed him to focus on innovations that enhance the efficiency and performance of refrigeration systems.

Conclusion

Shigeji Oishi's contributions to the field of refrigeration through his patented electric expansion valve demonstrate his commitment to innovation. His work continues to influence the development of advanced refrigeration technologies.