Kouhei Harada

Title: **Kouhei Harada: A Pioneer in Automatic Transmission Innovations**

Introduction

Kouhei Harada, an innovative inventor based in Nagoya, Japan, has made significant contributions to the field of automotive engineering. With a total of two patents under his name, he demonstrates a keen understanding of automatic transmission systems and their intricate mechanisms.

Latest Patents

Harada's latest patents showcase his expertise in automatic transmission technology. The first is an **Automatic Transmission with a Power Take-Off Mechanism**, which integrates friction clutches and planetary gears to facilitate multiple gear ratio changes. This design features a front friction drum that houses the friction clutches arranged coaxially and radially. A distinct step portion on the drum's radial outer side allows for the operation of the outer friction clutch, effectively setting a power take-off drive gear.

The second patent, an **Oil Pressure Clutch Mechanism for an Automatic Transmission**, comprises at least two clutches arranged coaxially within a front drum. This mechanism includes a sophisticated oil circuit for controlling the clutches, which is formed in relation to an oil circuit in the oil pump cover. Circular oil grooves are designed between the outer face of the oil pump cover and the inner face of the drum, coupled with a circular drain groove to manage any leaked oil effectively. The ingenious placement of the drain groove allows leaked oil to be discharged through an oil drain passage using centrifugal force.

Career Highlights

Kouhei Harada is prominently associated with Aisin Seiki Kabushiki Kaisha, a recognized leader in automotive components manufacturing. His work has played a crucial role in advancing the efficiency and performance of automatic transmissions, becoming an invaluable asset to the company and the industry at large.

Collaborations

Harada works alongside talented individuals such as Hiromi Hasegawa, fostering a collaborative environment that promotes innovation and excellence in automotive engineering.

Conclusion

Kouhei Harada stands as a notable figure in the innovation of automatic transmissions. His patents not only reflect his technical prowess but also his commitment to enhancing vehicle performance and reliability. As the automotive landscape evolves, inventions like Harada’s are paving the way for the future of transportation technology.