Eishi Ohno

Title: Eishi Ohno: Innovator in Engine Technology

Introduction

Eishi Ohno is a prominent inventor based in Mishima, Japan, known for his significant contributions to engine technology. With a total of seven patents to his name, Ohno has made remarkable advancements in the field of internal combustion engines.

Latest Patents

One of his latest inventions is a two-stroke engine that features a unique design. This engine includes a spark plug positioned at the center of the inner wall of the cylinder head, along with a fuel injector located on the periphery of the inner wall. A depression is formed on the top face of the piston, extending from beneath the spark plug to beneath the fuel injector. This innovative design allows for efficient fuel injection, with different strategies employed based on the engine's load conditions.

Another notable patent is an exhaust gas purification system for internal combustion engines. This system is designed to operate with lean air-fuel ratios and incorporates a catalyst made of zeolite that carries transition and noble metals. The system includes mechanisms to detect engine operating conditions and control the amount of hydrocarbons (HC) in the exhaust gas. By generating unburned fuel, the system enhances the NOx purification rate of the catalyst, showcasing Ohno's commitment to improving engine efficiency and reducing emissions.

Career Highlights

Eishi Ohno has worked with notable companies in the automotive industry, including Toyota Motor Corporation and Nippondenso Co., Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in engine technology.

Collaborations

Throughout his career, Ohno has collaborated with esteemed colleagues such as Norihiko Nakamura and Hiroshi Nomura. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the automotive sector.

Conclusion

Eishi Ohno's contributions to engine technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence the automotive industry, paving the way for more efficient and environmentally friendly engine designs.