Norihiro Kai

Title: Norihiro Kai: Innovator in Continuously Variable Transmission Technology

Introduction

Norihiro Kai is a prominent inventor based in Aichi-ken, Japan. He has made significant contributions to the field of continuously variable transmission (CVT) technology. With a total of 2 patents to his name, his work has advanced the efficiency and functionality of automotive transmission systems.

Latest Patents

Kai's latest patents focus on innovative designs for continuously variable transmissions. The first patent describes a CVT that utilizes a toroidal-race continuously variable ratio device in conjunction with a planetary gear mechanism. In this design, the rotation of the input shaft is directly transmitted to the carrier of the planetary gear mechanism. The rotation resulting from gearing and reversal by the variator is transmitted to the sun gear. When the low clutch is engaged, the rotation of the ring gear is transmitted via the reversing gear mechanism to the output shaft. Conversely, when the high clutch is engaged, the rotation of the sun gear is transmitted to the output shaft.

The second patent also centers on a continuously variable transmission. In this design, the rotation of an input shaft is directly transmitted to a front carrier of a planetary gear mechanism. The rotation, which is speed-changed and reversed by a toroidal-type continuously variable speed change unit, is transmitted to a first sun gear. When a low clutch is applied, the rotation of an output carrier of a simple planetary gear unit is transmitted to a counter gear mechanism via a common carrier, leading to output at the output shaft. When a high clutch is applied, the rotation of a second sun gear is transmitted to the output shaft. This design shortens the pinion shaft and increases the service life span of a supporting bearing compared to traditional planetary gear mechanisms.

Career Highlights

Throughout his career, Norihiro Kai has worked with notable companies in the automotive industry, including Torotrak Limited and Kk Equos Research. His experience in development has allowed him to refine his innovative ideas and contribute to advancements in transmission technology.

Collaborations

Kai has collaborated with talented individuals in his field, including Saoto Tsuchiya and Masahiro Hasebe. Their combined expertise has fostered a creative environment that has led to significant technological advancements.

Conclusion

Norihiro Kai's contributions to continuously variable transmission technology have made a lasting impact