Kiyoo Hirose

Title: The Innovations of Kiyoo Hirose: A Pioneer in Engine Technology

Introduction

Kiyoo Hirose, a distinguished inventor based in Nagoya, Japan, has made significant contributions to the field of internal combustion engine technology. With a remarkable portfolio of 19 patents, Hirose is recognized for his innovative solutions that enhance engine performance and efficiency.

Latest Patents

Hirose's latest inventions showcase his expertise in engine control mechanisms. One of his notable patents is the "Abnormality Determination Apparatus for Intake Amount Control Mechanism." This invention includes a control portion that establishes an allowable range for the opening amount of a throttle valve in an internal combustion engine. It evaluates the engine's operational state, which is influenced by accelerator input and the lift working angle of the intake valve. The apparatus identifies abnormalities in throttle valve operation, ensuring optimal engine performance.

Another significant patent by Hirose is the "Apparatus and Method for Controlling Idle Speed of Internal Combustion Engine." This invention features a variable valve actuation mechanism that alters the lift characteristics of the intake valve. The idle speed control apparatus effectively manages the intake air amount during idle states, aligning actual engine speed with target parameters by adjusting control amounts based on the variable lift characteristics.

Career Highlights

Hirose's career encompasses valuable experiences at renowned companies such as Toyota Motor Corporation and Denso Corporation. At these organizations, he played a pivotal role in advancing engine technologies, contributing to the development of more efficient and reliable automotive systems.

Collaborations

Throughout his career, Hirose has collaborated with notable colleagues, including Koichi Nakae and Yukikazu Ito. These partnerships have fostered a creative environment that has led to groundbreaking innovations in the automotive industry.

Conclusion

Kiyoo Hirose's extensive work and significant patents illustrate his critical role in revolutionizing engine technology. His contributions not only enhance vehicle efficiency but also pave the way for future innovations in the automotive sector. As a respected inventor, Hirose continues to inspire advancements in engineering and design.