Company Filing History:
Years Active: 2015-2018
Title: Innovations in Engine Technology by Ei Tsukahara
Introduction
Ei Tsukahara, an esteemed inventor based in Shizuoka, Japan, has made significant contributions to the realm of automotive engineering. With a total of five patents to his name, Tsukahara's innovative spirit drives advancements in engine technology, particularly in enhancing performance and efficiency.
Latest Patents
Among his latest patents, Tsukahara has developed two notable engine designs: the four-cylinder engine and the six-stroke engine. The four-cylinder engine features a unique configuration with explosion intervals of 270°, 180°, 90°, and 180° at crank angles. It incorporates a discomfort eliminator that minimizes torque fluctuations at low engine speeds by adjusting the mean effective pressure of specific cylinders. This innovation enables the engine to deliver a balanced driving experience despite the unequal-interval explosions.
In contrast, Tsukahara’s six-stroke engine introduces a groundbreaking approach to engine operations. This engine comprises a cylinder, combustion chamber, and a system of valves that facilitate six distinct strokes, including two without combustion. This design optimizes the intake and exhaust processes and allows for a valve overlap state, creating a more efficient combustion cycle.
Career Highlights
Ei Tsukahara currently works at Yamaha Hatsudoki Kabushiki Kaisha, where his expertise in engine design continues to flourish. His dedication to innovation aligns with the company’s commitment to advancing automotive technology and enhancing user experience.
Collaborations
Throughout his career, Tsukahara has collaborated with talented colleagues, including Daijiro Tanaka and Takurou Kamichika. These collaborations foster a creative environment that fuels innovative thinking and problem-solving within the automotive engineering sector.
Conclusion
With his remarkable patents and contributions, Ei Tsukahara exemplifies the spirit of innovation in the automotive industry. His work not only enhances engine efficiency but also addresses the demands of modern driving, making him a key figure in advancing engine technology.