Yasunori Arai is a notable inventor based in Wako, Japan. He has made significant contributions to the field of hydraulic systems, particularly in the automotive industry. With a total of 4 patents to his name, Arai's work has had a considerable impact on vehicle performance and efficiency.

Latest Patents

One of Arai's latest patents is a lubricating structure of a hydraulic clutch. This invention includes a drum-shaped clutch housing connected to an input shaft and a clutch hub connected to an output shaft that is coaxial with the input shaft. The clutch hub features a cylindrical portion and a flange formed integrally with the cylindrical portion near one end. The lubricating structure also incorporates a clutch piston that makes pressure contact with first and second clutch plates mounted to the clutch housing and the clutch hub, respectively. Additionally, a hydraulic pump is positioned on the opposite side of the clutch plates concerning the clutch piston. The cylindrical portion of the clutch hub is designed with multiple first lubricating oil passages, while the flange contains several second lubricating oil passages.

Another significant patent by Arai is related to a power transmitting system for four-wheel drive vehicles. This system features a first hydraulic pump that operates in conjunction with the rotation of the front wheels and a second hydraulic pump that works with the rear wheels. This setup creates a difference in rotational speed between the front and rear wheels, which engages a multi-plate clutch through hydraulic pressure generated by the pumps. A torque cam mechanism is integrated between the clutch piston and clutch plates, allowing for immediate engagement of the multi-plate clutch when a difference in speed is detected.

Career Highlights

Yasunori Arai is currently employed at Honda Giken Kogyo Kabushiki Kaisha, a leading automotive manufacturer. His innovative work in hydraulic systems has contributed to advancements in vehicle technology and performance.

Collaborations

Arai has collaborated with several talented individuals in his field, including Kentaro Arai and Ryuichi Murakami. Their combined expertise has fostered a creative environment that encourages innovation and development.

Conclusion

Yasunori Arai is a distinguished inventor whose contributions to hydraulic systems have significantly influenced the automotive industry. His patents reflect a commitment to enhancing vehicle performance and efficiency. Arai's work continues to inspire future

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