Company Filing History:
Years Active: 2010-2013
Title: Inventor Spotlight: Eiichiro Ohata
Introduction
Eiichiro Ohata is a notable inventor hailing from Kasama, Japan. His innovative contributions to the field of internal combustion engines have earned him a total of three patents. His work seeks to enhance the precision and efficiency of engine performance through advanced measurement techniques.
Latest Patents
Ohata's most recent patents showcase his expertise in measuring in-cylinder pressure and controlling exhaust gas recirculation (EGR) valves.
1. **Apparatus for Measuring In-Cylinder Pressure**: This invention addresses the challenges of accurately measuring peak in-cylinder pressure during combustion cycles. It utilizes exhaust pressure detection means within the exhaust port to record the time history of exhaust pressure. By detecting peak values for each pulsation cycle, Ohata's apparatus effectively calculates a peak in-cylinder pressure, offering improved precision.
2. **Control Apparatus of EGR Control Valve**: This control apparatus features an exhaust gas recirculation passage that circulates exhaust gas from the engine's exhaust side to the intake side. It includes a measurement unit that accurately gauges the flow rate of EGR gas. Based on this measurement, the controller can close the EGR control valve when the flow rate drops below a predetermined threshold, ensuring optimal engine performance.
Career Highlights
Throughout his career, Eiichiro Ohata has made substantial contributions while working at prominent companies such as Hitachi, Ltd. and Hitachi Automotive Systems, Ltd. His innovative mindset and engineering skills have significantly impacted the automotive sector, particularly in enhancing engine efficiency.
Collaborations
Ohata has collaborated with esteemed colleagues, including Shiro Yamaoka and Hiroaki Hoshika. Together, they have worked on various projects aimed at advancing automotive technologies and improving the functionality of combustion engines.
Conclusion
Eiichiro Ohata's innovative work in measuring in-cylinder pressure and controlling EGR flow has established him as a significant figure in the field of automotive engineering. His patents not only reflect his technical expertise but also contribute to the ongoing evolution of engine technology, aiming for higher performance and better environmental outcomes.