Company Filing History:
Years Active: 2021
Title: Takayuki Shirouzu: Innovator in Hydraulic Control Systems
Introduction
Takayuki Shirouzu is a notable inventor based in Chikugo, Japan. He has made significant contributions to the field of hydraulic machinery, particularly in the development of control devices for hydraulic machines. With a total of two patents to his name, Shirouzu's work has had a substantial impact on the efficiency and functionality of hydraulic systems.
Latest Patents
Shirouzu's latest patents include innovative control devices designed for hydraulic machines, such as revolving excavators. One of his patents focuses on a control device that utilizes a load-sensing pump control system. This device prevents variations in pump control characteristics among multiple hydraulic machines and ensures consistent operating speeds across individual drive units. It employs a storage unit and a calculation unit external to the hydraulic machine to maintain specific engine rotation states and hydraulic actuator operation states. The device calculates a correction rate for the control output of an electromagnetic proportional valve based on detected errors in the flow rate of a hydraulic pump.
Another patent addresses the challenges faced by hydraulic machines operating in environments with decreased engine output, such as high altitudes with low atmospheric pressure. This control device corrects the control output value applied to an electromagnetic proportional valve for load-sensing valve control. It combines outputs from both engine speed-sensitive and load-sensing type pump control systems to optimize performance under varying conditions.
Career Highlights
Shirouzu is currently employed at Yanmar Power Technology Co., Inc., where he continues to innovate in the field of hydraulic technology. His work has been instrumental in enhancing the performance and reliability of hydraulic machines, making them more adaptable to challenging operational environments.
Collaborations
Throughout his career, Shirouzu has collaborated with talented individuals such as Masahiro Itani and Hiroshi Matsuyama. These collaborations have fostered a creative environment that has led to the development of advanced hydraulic control technologies.
Conclusion
Takayuki Shirouzu's contributions to hydraulic machinery through his innovative patents and collaborative efforts have significantly advanced the field. His work continues to influence the design and functionality of hydraulic systems, ensuring they meet the demands of modern engineering challenges.