Location History:
- Tokyo, JP (2018)
- Hino, JP (2017 - 2020)
Company Filing History:
Years Active: 2017-2020
Title: Hirofumi Tongu: Innovator in Exhaust Purification Technology
Introduction
Hirofumi Tongu is a notable inventor based in Hino, Japan. He has made significant contributions to the field of exhaust purification technology, holding a total of 4 patents. His work focuses on improving the efficiency and effectiveness of exhaust emission control devices.
Latest Patents
One of his latest patents is an exhaust purification apparatus. This invention features a gas gathering chamber that encircles and gathers exhaust gas from the exit end of a particulate filter. The design includes a communication pipe that extracts the gas gathered by the chamber through an exhaust outlet into the entry side of a selective reduction catalyst. An injector is positioned in the passage to add urea water into the gas flow, facilitating the gasification process.
Another significant patent is a mixing structure that incorporates a lattice board arranged obliquely in a bent portion of an exhaust pipe. This design allows exhaust gas to flow curvedly, bisecting the angle made by inflow and outflow directions. An injector is strategically placed in the outflow direction to inject urea water onto the lattice board, enhancing the mixing of exhaust gas and reducing emissions.
Career Highlights
Hirofumi Tongu is currently employed at Hino Motors, Ltd., where he continues to innovate in the field of automotive technology. His work has been instrumental in advancing the company's efforts to meet stringent environmental regulations.
Collaborations
Hirofumi has collaborated with several talented individuals, including Tomoyuki Tsuruta and Kuniharu Tobe. Their combined expertise has contributed to the successful development of innovative solutions in exhaust purification.
Conclusion
Hirofumi Tongu's contributions to exhaust purification technology demonstrate his commitment to innovation and environmental sustainability. His patents reflect a deep understanding of engineering principles and a dedication to improving air quality through advanced automotive technologies.