Shigeharu Fujihara

Title: Innovator Shigeharu Fujihara: Advancements in Gas Engine Technology

Introduction: Shigeharu Fujihara, located in Amagasaki, Japan, is a noteworthy inventor recognized for his contributions to the field of gas engine technology. With a total of five patents to his name, Fujihara has demonstrated a relentless pursuit of innovation in his domain.

Latest Patents: Among his latest groundbreaking patents is the "Gas engine drive system and method of controlling gas engine." This innovative gas engine drive system encompasses various key components such as a combustion chamber, turbocharger, and a fuel injection system that injects fuel gas into intake air. The system is equipped with a pressure detector and a temperature detector, allowing for meticulous control of fuel injection based on the charge air pressure and intake air temperature. Furthermore, this patent elaborates on how the controller can adjust the fuel injection amount and ignition timing based on the detected conditions to enhance efficiency and performance.

Another significant patent is the "Gas engine system," which features a controller that calculates a delay calculation value of knocking occurrence ratios. The controller is designed to determine optimal ignition timing by considering various metrics. It sets primary and secondary target ignition timings while ensuring adjustments are made based on pre-defined conditions to optimize the engine’s performance.

Career Highlights: Shigeharu Fujihara has established himself as a pivotal figure in the gas engine technology sector. With a firm foundation in engineering principles, his inventions reflect a deep understanding of both mechanical systems and control algorithms. His work is crucial in moving towards more efficient and environmentally friendly engine designs.

Collaborations: At Kawasaki Jukogyo Kabushiki Kaisha, where Fujihara currently works, he collaborates with talented colleagues such as Tomoaki Kizuka and Yosuke Nonaka. Together, they contribute to innovative projects that are shaping the future of gas engine technology.

Conclusion: Shigeharu Fujihara stands out as an accomplished inventor whose work continues to push the boundaries of gas engine innovation. His patents not only demonstrate technical expertise but also reflect a visionary approach toward sustainable and efficient engine systems. As he continues his journey at Kawasaki Jukogyo Kabushiki Kaisha, the impact of his innovations will surely resonate within the industry and beyond.