Company Filing History:
Years Active: 1982-1989
Title: Innovations by Yuzi Hirabayashi
Introduction
Yuzi Hirabayashi is a notable inventor based in Aichi, Japan. He has made significant contributions to the field of engine technology, holding a total of seven patents. His work focuses on improving engine operation detection and control systems.
Latest Patents
Hirabayashi's latest patents include an "Apparatus for processing engine operation detection signals." This invention generates a rotation signal for every degree of rotation of the engine crankshaft, along with a crankshaft angle signal for every 360 degrees of rotation. A pseudo-random number generator produces random number data, which is converted to analog data and supplied to a comparator circuit. The comparator compares this data with intake air pressure detection data, allowing for precise engine control.
Another significant patent is the "Control system for determining the quantity of intake air of an internal combustion engine." This system utilizes a temperature sensing element as an airflow measuring device in the engine's intake air passage. The temperature sensing element receives a heating current based on a start pulse signal generated during each combustion cycle. A comparator outputs a signal when a reference temperature is reached, enabling accurate airflow measurement and adjustments to injection quantity and timing.
Career Highlights
Hirabayashi works at Nippondenso Co., Ltd., a company known for its innovations in automotive technology. His expertise in engine control systems has positioned him as a key figure in the development of advanced automotive solutions.
Collaborations
He has collaborated with notable coworkers, including Susumu Akiyama and Masumi Kinugawa, contributing to various projects that enhance engine performance and efficiency.
Conclusion
Yuzi Hirabayashi's innovative work in engine technology has led to significant advancements in automotive engineering. His patents reflect a commitment to improving engine operation and control systems, making him a valuable contributor to the field.
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