Company Filing History:
Years Active: 2009-2019
Title: Keiichi Tsujimoto: Innovator in Exhaust Gas Purification and Diesel Engine Design
Introduction
Keiichi Tsujimoto is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of engine technology, particularly in exhaust gas purification and combustion chamber design. With a total of 2 patents, Tsujimoto's work reflects a commitment to improving environmental standards in automotive engineering.
Latest Patents
One of Tsujimoto's latest patents is an exhaust gas purification device. This innovative device includes a spray nozzle located in the exhaust pipe of an engine, a mixer positioned downstream of the spray nozzle, and a catalyst reactor that follows the mixer. The device is designed to spray a reducing agent from the urea water spray nozzle into the exhaust gas, effectively mixing it to reduce nitrogen oxides using the catalyst reactor. The mixer features a cylindrical body with multiple fins arranged radially, enhancing the mixing process.
Another notable patent focuses on the combustion chamber shape of a direct injection type diesel engine. The invention aims to suppress black smoke generation during no-load operation while minimizing NOx emissions and fuel consumption. The combustion chamber is uniquely designed with a recessed shape in the piston top wall, allowing for optimal fuel injection and combustion efficiency.
Career Highlights
Keiichi Tsujimoto is currently employed at Yanmar Co., Ltd., a company known for its advancements in engine technology and environmental solutions. His work at Yanmar has positioned him as a key player in the development of innovative engine systems that meet modern environmental standards.
Collaborations
Throughout his career, Tsujimoto has collaborated with talented individuals such as Shunji Hamaoka and Ryota Kobayashi. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies in the automotive sector.
Conclusion
Keiichi Tsujimoto's contributions to exhaust gas purification and diesel engine design highlight his role as an influential inventor in the automotive industry. His innovative patents reflect a dedication to enhancing engine performance while addressing environmental concerns.