Location History:
- Saitama, JP (1996)
- Saitama Prefecture, JP (1997 - 1999)
Company Filing History:
Years Active: 1996-1999
Title: Innovations by Nobuhiro Kitahara: A Pioneer in Fuel Injection Technology
Introduction
Nobuhiro Kitahara, based in Saitama Prefecture, Japan, is an inventive mind with a valuable contribution to the field of automotive technology. With a portfolio of three patents, Kitahara has demonstrated his expertise in designing advanced fuel injection systems that enhance engine performance and efficiency.
Latest Patents
One of Kitahara's notable inventions is a sophisticated **fuel injection pump**, which allows for both main and pre-injection in the exhaust stroke's vicinity of the top dead center. This innovation enables precise control of pre-injection volume and timing relative to main injection, ultimately aiming to improve the efficiency of combustion engines. The design cleverly integrates a pre-stroke varying mechanism with a two-stage injection mechanism, allowing for free manipulation of the injection timing by adjusting the positions of a plunger and a control sleeve.
Another significant contribution by Kitahara is the invention of a **pilot injection controller** for fuel injection systems. This innovative method ensures that the quantity of pilot-injected fuel remains consistent, regardless of engine speed. By managing the pre-stroke and modifying cam velocities according to engine conditions, the controller maintains a constant delivery velocity, enhancing overall engine performance.
Career Highlights
Kitahara has made significant strides in his career while working at **Zexel GmbH**, a company known for its commitment to advanced automotive technology. His work primarily focuses on fuel delivery systems, where his inventions have paved the way for improved engine efficiency and reduced emissions.
Collaborations
Throughout his career, Nobuhiro Kitahara has collaborated with skilled engineers such as Takashi Ohishi and Hiroshi Ishiwata. These partnerships have fostered an environment of innovation, contributing to groundbreaking advancements in fuel injection technology.
Conclusion
Nobuhiro Kitahara stands out as an innovative inventor in the realm of fuel injection systems. His commitment to improving automotive technology through practical solutions has not only advanced the industry but also positioned him as a noteworthy figure in the field of inventions. With his continued contributions, the future of engine performance looks promising, thanks to the pioneering work of inventors like Kitahara.