Hiroaki Miyanaga

Title: Hiroaki Miyanaga and an Intake Control Device for Internal Combustion Engines.

Introduction

Hiroaki Miyanaga is an inventor associated with Kariya, Japan, and Denso Corporation. His patent concerns controlling airflow in an internal combustion engine to promote tumble flow in the combustion chamber.

Latest Patents

Miyanaga is credited with 1 patent: “Intake Control Device for Internal Combustion Engine.” The invention describes an intake path for each cylinder divided into upper and lower paths, with separate valves controlling airflow through them. Under specified driving conditions, the tumble control valve closes the upper path to increase airflow velocity through the lower path and generate tumble flow. The intake pressure control valve opens near the beginning of the intake stroke and closes near its end, increasing the pressure difference across the valve. This further accelerates airflow through the lower path and strengthens tumble flow in the combustion chamber.

Career Highlights

Miyanaga’s listed company affiliation is Denso Corporation. His patent reflects work on engine intake control and combustion-chamber airflow.

Collaborations

The provided information names Kazushi Nakashima and Katsuhiko Nakabayashi as Miyanaga’s coworkers. It does not specify their roles in the patent or whether they collaborated on this invention.

Conclusion

Hiroaki Miyanaga’s patent describes a coordinated valve-control approach that increases intake airflow velocity and intensifies tumble flow in an internal combustion engine.