Company Filing History:
Years Active: 2000-2003
Title: Sigenori Isomura: Innovator in Engine Technology
Introduction
Sigenori Isomura is a prominent inventor based in Kariya, Japan. He has made significant contributions to engine technology, holding a total of 5 patents. His innovative work focuses on improving the efficiency and performance of engines through advanced control systems.
Latest Patents
One of Isomura's latest patents is a catalyst activation control system for engines. This invention involves a variable timing mechanism that is controlled during engine starting to set the valve opening overlap of the intake and exhaust valves around 30° CA. In this scenario, internal EGR (Exhaust Gas Recirculation) is actively conducted, resulting in a slower fuel burning velocity within the cylinder. Consequently, unburned fuel is emitted to the exhaust pipe to be post-burned. The temperature of the exhaust gas is maintained high, allowing catalyst converters in a cold state to be activated quickly through this post-burning process. Additionally, ignition timing is retarded, the air-fuel ratio is controlled to a slightly lean ratio, and the exhaust valve is advanced. This combination of controls enhances the reliability of raising the exhaust gas temperature through post-burning.
Career Highlights
Sigenori Isomura is currently employed at Denso Corporation, a leading company in automotive technology. His work at Denso has allowed him to develop and refine his innovative ideas, contributing to advancements in engine performance and efficiency.
Collaborations
Isomura has collaborated with notable coworkers, including Masaei Nozawa and Yoshihiro Majima. Their teamwork has fostered an environment of innovation and creativity, leading to the development of cutting-edge technologies in the automotive industry.
Conclusion
Sigenori Isomura's contributions to engine technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in automotive engineering, showcasing the importance of innovation in driving the industry forward.