Company Filing History:
Years Active: 1979-1981
Title: Naohiro Naganuma: Innovator in Diaphragm Pump and Exhaust Gas Purification Systems
Introduction
Naohiro Naganuma, an esteemed inventor residing in Kariya, Japan, has made significant contributions to the field of engineering through his innovative patents. With a total of three patents to his name, Naganuma has focused on advancements that enhance mechanical efficiency and environmental sustainability.
Latest Patents
One of Naganuma's latest inventions is a sophisticated diaphragm pump designed to optimize performance. This diaphragm pump features an eccentric circular cam or crank shaft connected to a rotating connecting rod. The design includes dual diaphragms that establish pressure receiving surfaces and center disks to mount these diaphragms effectively. Naganuma has ingeniously structured the pump’s housing to create separate discharge chambers and a suction chamber, ensuring minimal swinging movement of the center disks for improved stability.
In addition, he has developed an innovative exhaust gas purification system for internal combustion engines. This system incorporates an Exhaust Gas Recirculation (EGR) line that facilitates the return of exhaust gases back into the engine’s intake system. Within this system, an EGR valve operates under the control of an actuator powered by pressurized air from the diaphragm pump, which adjusts in accordance with engine speed to optimize the EGR rate for enhanced emissions control.
Career Highlights
Naohiro Naganuma is currently affiliated with Nippondenso Co., Ltd., a company renowned for its automotive technology and engineering innovations. His dedication to advancing mechanical systems has garnered attention within the engineering community, highlighting his role as an influential figure in the industry.
Collaborations
Throughout his career, Naganuma has worked alongside talented colleagues including Mikiji Ito and Shojiro Nagano. Their combined expertise fosters a collaborative environment that encourages groundbreaking advancements in technology.
Conclusion
Naohiro Naganuma’s inventive spirit and technical skill reflect his commitment to improving mechanical systems and environmental performance. His patents not only demonstrate his ingenuity but also contribute positively to the fields of engineering and sustainability. As technology continues to evolve, Naganuma’s contributions will undoubtedly leave a lasting impact.