This inventor holds 6 USPTO granted patents. Top assignee: Diesel Kiki Co., Ltd.. Active years: 1977-1986.
Location History:
- Saitama, JA (1977)
- Higashimatsuyama, JP (1978 - 1986)
Company Filing History:
Years Active: 1977-1986
Title: Hitoshi Tomita: Innovator in Diesel Engine Technology
Introduction
Hitoshi Tomita is a prominent inventor based in Higashimatsuyama, Japan. He has made significant contributions to the field of diesel engine technology, holding a total of 6 patents. His innovative work focuses on improving the efficiency and functionality of internal combustion engines.
Latest Patents
One of Tomita's latest inventions is an exhaust-gas particle treating device for internal-combustion engines. This device is designed to burn the exhaust-gas particles collected by a filter, featuring a needle valve lift limiting mechanism in the fuel injection nozzles. Additionally, it includes a fuel accumulating means connected to the fuel injection nozzle via an electromagnetic switching valve, along with a flow quantity control means to enhance the injection period of fuel and elevate exhaust gas temperature.
Another notable patent is for a diesel engine with EGR (Exhaust Gas Recirculation) control. This engine incorporates a load responsive mechanism that provides a mechanical output based on engine load. It also features a source of vacuum pressure and a load pressure converter that communicates with the load responsive mechanism. The EGR control valve regulates the flow of gases between the exhaust and intake of the engine, responding to the output vacuum pressure level.
Career Highlights
Hitoshi Tomita is currently employed at Diesel Kiki Co., Ltd., where he continues to develop innovative solutions for diesel engines. His work has significantly impacted the efficiency and performance of these engines, making them more environmentally friendly and effective.
Collaborations
Tomita has collaborated with notable coworkers, including Takeo Kimura and Hideyuki Kimura. Their combined expertise has contributed to the advancement of diesel engine technology.
Conclusion
Hitoshi Tomita's contributions to diesel engine technology through his patents and innovative designs have established him as a key figure in the field. His work continues to influence the development of more efficient and environmentally friendly engines.