Yukio Kubota

Title: Innovations of Yukio Kubota

Introduction

Yukio Kubota is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of hydraulic transmission technology. With a total of 5 patents to his name, his work has had a considerable impact on vehicle engineering.

Latest Patents

One of his latest patents is for a hydraulic transmission vehicle. This invention features an electric actuator designed to change the output/input rotation speed ratio. The actuator's controller memorizes a command current value, assuming no load is applied to the hydraulic transmission. It calculates the load by comparing the actual command current value to the memorized one. The command current value is then adjusted based on the load, allowing for precise control of the actuator. Additionally, the vehicle may include a differential mechanism that combines rotation powers on both the input and output sides of the hydraulic transmission.

Another significant patent is for a hydraulic continuously variable transmission. This system includes a variable displacement type first hydraulic system with a first plunger and a plunger abutting section. It also features a second hydraulic system with a second plunger and an output rotary section. The design allows for the circulation of working oil between the first and second plunger holes, controlled by a distributing valve. This innovative approach enhances the efficiency and functionality of hydraulic transmissions.

Career Highlights

Yukio Kubota has worked with prominent companies such as Yanmar Co., Ltd. and Yanmar Agricultural Equipment Co., Ltd. His experience in these organizations has contributed to his expertise in hydraulic systems and vehicle technology.

Collaborations

Throughout his career, Yukio has collaborated with notable individuals, including Kunihiko Sakamoto and Fumio Ishibashi. These partnerships have likely enriched his work and led to further advancements in his field.

Conclusion

Yukio Kubota's contributions to hydraulic transmission technology demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to improving vehicle performance and efficiency. His work continues to influence the industry and inspire future innovations.