Hiroaki Takeshima is a prominent inventor based in Komatsu, Japan. He has made significant contributions to the field of crawler-type work machines, holding a total of 16 patents. His innovative designs have enhanced the functionality and efficiency of bulldozers, making them more effective in various applications.

Latest Patents

One of Hiroaki Takeshima's latest patents involves a crawler-type work machine that features a unique oil channel system. This bulldozer includes a right first oil channel, a right second oil channel, and a right third oil channel. The right first oil channel guides a portion of the lubricating oil discharged by a hydraulic pump to a right steering brake. The right second oil channel directs oil to a right planetary gear mechanism, while the right third oil channel ensures that lubricating oil passes through the planetary gear mechanism before reaching the right steering brake. This innovative design positions the planetary gear mechanism further inside than the right steering brake in a radial direction, optimizing performance.

Another notable patent by Takeshima focuses on a bulldozer equipped with a control unit that manages left and right steering clutches and brakes. This control unit executes turning control by switching between clutch control and brake control based on the differential between the actual turning radius and the target turning radius. This advancement significantly improves maneuverability and operational efficiency.

Career Highlights

Hiroaki Takeshima has dedicated his career to advancing the technology behind crawler-type work machines. His work at Komatsu Corporation has positioned him as a key figure in the development of innovative machinery that meets the demands of modern construction and excavation projects.

Collaborations

Throughout his career, Takeshima has collaborated with notable colleagues, including Yoshito Komatsu and Takeshi Yoshikawa. These partnerships have fostered a creative environment that encourages the exchange of ideas and the development of groundbreaking technologies.

Conclusion

Hiroaki Takeshima's contributions to the field of crawler-type work machines have established him as a leading inventor in his industry. His innovative patents and collaborative efforts continue to shape the future of construction machinery.

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