Tunemitu Kuroha

Title: The Innovations of Tunemitu Kuroha

Introduction

Tunemitu Kuroha is a notable inventor based in Ibaraki, Japan. He has made significant contributions to the field of fuel injection technology, holding 2 patents that showcase his innovative approach to engineering.

Latest Patents

Kuroha's latest patents include a fuel injector device and a method of producing the same. This fuel injector device features a fuel swirling element positioned upstream of a valve seat, which imparts a swirling force to the fuel supplied. It also includes a fuel injection nozzle orifice located downstream of the valve seat and a fuel distributing adapter that effectively distributes the flow of fuel in two directions. The adapter is designed with an axial fuel passage that has a fuel inlet larger than the injection orifice, and an outlet end shaped like an '8', which has a minimum diameter smaller than the inlet end. This innovative design allows for efficient fuel distribution. Another significant patent is the slow fuel controlling device for a carburetor. This device meters fuel through a slow jet, mixing it with air induced through a slow air bleed in counter flows. The resulting mixture is supplied into the intake passage near the throttle valve, utilizing capillary action to fill the passage with fuel.

Career Highlights

Throughout his career, Kuroha has worked with prominent companies such as Hitachi, Ltd. and Hitachi Automotive Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in fuel injection systems and automotive engineering.

Collaborations

Kuroha has collaborated with notable coworkers, including Mizuho Yokoyama and Yoshio Okamoto. Their combined efforts have likely fostered innovation and advancements in their respective fields.

Conclusion

Tunemitu Kuroha's contributions to fuel injection technology through his patents and career achievements highlight his role as a significant inventor in the automotive industry. His innovative designs continue to influence the development of efficient fuel systems.