This inventor holds 3 USPTO granted patents. Top assignee: Etg Limited. Active years: 2009-2014.
Location History:
- Fukuyama, JP (2009 - 2012)
- Hiroshima, JP (2014)
Company Filing History:
Years Active: 2009-2014
Title: Shigeo Yamamoto: Innovator in Engine Lubrication Technology
Introduction
Shigeo Yamamoto is a notable inventor based in Fukuyama, Japan. He has made significant contributions to the field of engine lubrication, holding a total of 3 patents. His innovative approaches have the potential to enhance engine performance and reliability.
Latest Patents
Yamamoto's latest patents include an advanced engine lubrication method designed for four-cycle engines. This method features an engine block with a cylindrical bore and an enclosed oil reservoir. A crankshaft is mounted within the engine block, and an oil pump driven by the cam gear draws oil from the reservoir to lubricate engine components. The design includes a cylinder head assembly with overhead intake and exhaust valves, and a circular arc wall that surrounds the crankshaft web, allowing oil to fly and lubricate engine parts effectively. Additionally, the system prevents oil from flowing into the combustion chamber when the engine is inclined, thanks to strategically placed oil recesses and long pipes.
Another patent focuses on a four-cycle engine with an enclosed oil reservoir specifically for power tools. This design also utilizes an oil pump driven by a camshaft, which works in conjunction with a crankshaft. The innovative circular arc wall and scroll-shaped wall design prevent oil from leaking into the combustion chamber, ensuring efficient lubrication of engine parts.
Career Highlights
Yamamoto is currently employed at Etg Limited, where he continues to develop and refine his innovative lubrication technologies. His work has garnered attention for its practical applications in enhancing engine efficiency and performance.
Collaborations
Yamamoto collaborates with talented individuals such as Katsumi Kurihara and Bin Guo, contributing to a dynamic team focused on advancing engine technology.
Conclusion
Shigeo Yamamoto's contributions to engine lubrication technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a desire to improve engine functionality.