Company Filing History:
8 out of 1,838 
7 out of 79 
1 out of 802 Years Active: 1980-1983
Title: Yuzo Takeuchi: Innovator in Fuel Injection Technology
Introduction
Yuzo Takeuchi is a prominent inventor based in Nagoya, Japan, known for his significant contributions to fuel injection technology. With a total of nine patents to his name, Takeuchi has made remarkable advancements in the field of internal combustion engines.
Latest Patents
One of Takeuchi's latest inventions is the electronically controlled carburetor. This innovative device features a variable venturi that adjusts the venturi cross-section and the amount of air metered into the venturi based on engine demands. It includes an air flow sensor that detects the displacement of the variable venturi and produces electrical signals in response to changes in air flow. Additionally, it has a main fuel nozzle for discharging metered fuel, a fuel flow sensor for sensing pressure differential, and a control circuit that drives an air bleed controlling actuator. This arrangement allows for precise control of the air-to-fuel ratio at all times.
Another notable patent is the fuel supplying device for fuel injection type internal combustion engines. This device incorporates a fuel metering device connected to an air valve in the air horn upstream of a throttle valve. It maintains a constant supplying pressure to the fuel metering device and includes a constant differential pressure valve that ensures a predetermined differential pressure across the fuel metering device. The injector discharges metered fuel into the air horn near the throttle valve, enhancing the efficiency of fuel delivery.
Career Highlights
Throughout his career, Yuzo Takeuchi has worked with renowned companies such as Toyota Motor Corporation and Aisan Industry Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in automotive technology.
Collaborations
Takeuchi has collaborated with notable colleagues, including Masaharu Sumiyoshi and Setsuro Sekiya. Their combined expertise has contributed to the successful development of various technologies in the automotive sector.
Conclusion
Yuzo Takeuchi's contributions to fuel injection technology have significantly impacted the automotive industry. His innovative patents and collaborations with esteemed colleagues highlight his dedication to advancing engine performance and efficiency.