Keichi Urushiyama

Title: Keichi Urushiyama: Innovator in Valve Technology

Introduction

Keichi Urushiyama is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of valve technology, holding a total of 4 patents. His work focuses on enhancing the efficiency and functionality of various types of valves used in refrigeration and other applications.

Latest Patents

One of Urushiyama's latest innovations is an expansion valve designed for high valve opening adjustment accuracy. This valve features a housing with an inlet port for refrigerant from a condenser and an outlet port directing refrigerant toward an evaporator. The valve body is solenoid-driven, and it includes a valve seat where the body sits, along with an urging member that pushes the valve body in a closing direction. A unique space is created on the opening direction side of the valve body, allowing refrigerant to flow into this space, enhancing its operational efficiency.

Another significant patent is the capacity control valve, which is designed for easy production and cost-effectiveness. This valve consists of a housing with a flow passage and a solenoid-driven valve body inside. A tubular valve seat member, which is press-fitted into the housing, features a valve seat that is harder than the housing itself, ensuring durability and reliability in operation.

Career Highlights

Urushiyama is currently employed at Eagle Industry Co., Ltd., where he continues to innovate and develop advanced valve technologies. His work has been instrumental in improving the performance of various systems that rely on precise valve control.

Collaborations

Throughout his career, Urushiyama has collaborated with talented individuals such as Kohei Fukudome and Keigo Shirafuji. These collaborations have fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Keichi Urushiyama's contributions to valve technology exemplify his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a dedication to improving the efficiency of mechanical systems.