Mamoru Sumida

Title: Mamoru Sumida: Innovator in Fluid Injection Technologies

Introduction

Mamoru Sumida, based in Tokyo, Japan, is a prolific inventor known for his significant contributions to fluid injection technology, holding a remarkable total of 39 patents. His innovations focus on enhancing the functionality and design of fuel injection systems, playing a vital role in various engineering applications.

Latest Patents

Among his notable patents are the advanced fluid injection valve and spray generator. This invention provides a fuel injection valve that achieves both atomization of a fluid spray and improvements in the design freedom of spray shapes and directions. A key feature of this valve is the inclusion of the switching-spray injection hole, which recognizes the directions of the spray's long and short axes, leading to a transformative capability in spray shape at downstream applications. Additionally, the coalescent-spray injection holes work under the Coanda effect, creating an integrated spray that offers enhanced misting capabilities.

Another recent patent involves a mist forming method that utilizes this fluid injection valve to optimize the creation of liquid film flows and mist formation. This method allows for jets to not align perfectly with the center axis of the injection holes and emphasizes the Coanda effect to generate a cohesive mist that efficiently mingles with ambient air.

Career Highlights

Sumida's professional journey includes valuable tenures at Mitsubishi Electric Corporation and Mitsubishi Denki K.K. Here, he has conducted extensive research and development, reinforcing his status as a leading figure in the industry of fluid dynamics and injection technologies.

Collaborations

Throughout his career, Mamoru Sumida has worked alongside esteemed colleagues such as Norihisa Fukutomi and Tsuyoshi Munezane. Their collaborative efforts have undoubtedly contributed to the innovative advancements and patentable technologies that define Sumida’s work.

Conclusion

Mamoru Sumida exemplifies dedication to innovation in fluid injection technologies. His extensive portfolio of patents not only illustrates his creativity and engineering acumen but also marks a significant impact on the industries he serves. With continued dedication, Sumida is poised to influence future developments in the field of fluid dynamics.