Fumio Sugi

Title: Fumio Sugi: Innovator in Carburetor Technology

Introduction

Fumio Sugi is a notable inventor based in Handa, Japan. He has made significant contributions to the field of internal combustion engine technology, particularly in carburetor design. With a total of 2 patents, Sugi's innovations have enhanced the efficiency and performance of carburetors.

Latest Patents

Sugi's latest patents include a unique carburetor design that features a suction passage with a large venturi section and a throttle valve. This design connects the discharge port of a supercharger to the intake manifold of an internal combustion engine. A key aspect of this invention is the formation of a pressure chamber that communicates with the suction passage, allowing for improved air-fuel mixture management.

Another significant patent is for a variable venturi carburetor, which includes a venturi portion, a float chamber, and a main fuel passage. This design incorporates a movable metering needle that adjusts the size of the main fuel jet based on the engine's load conditions. The improvement features a bypass for discharging fuel vapor, enhancing the carburetor's overall functionality.

Career Highlights

Fumio Sugi is associated with Aisan Kogyo Kabushiki Kaisha, a company known for its advancements in automotive technology. His work has contributed to the development of more efficient carburetors, which are essential for optimizing engine performance.

Collaborations

Sugi has collaborated with Koichi Suda, another professional in the field, to further enhance carburetor technology. Their combined expertise has led to innovative solutions that address the challenges faced in internal combustion engine design.

Conclusion

Fumio Sugi's contributions to carburetor technology have made a lasting impact on the automotive industry. His innovative designs continue to influence the development of more efficient internal combustion engines.