This inventor holds 4 USPTO granted patents. Top assignees: Hitachi, Ltd., Other. Active years: 2000-2002.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
1 out of 42,740 
3 out of 834,570 Years Active: 2000-2002
Title: Kzunori Irifune: Innovator in Motor-Operated Flow Control Valves
Introduction
Kzunori Irifune is a notable inventor based in Hitachinaka, Japan. He has made significant contributions to the field of internal combustion engines, particularly through his innovative designs of motor-operated flow control valves. With a total of 4 patents to his name, Irifune's work exemplifies the intersection of engineering and technology.
Latest Patents
One of Irifune's latest patents is a motor-operated flow control valve designed for internal combustion engines. This invention aims to enhance the longevity of the valve while preventing a drop in torque generated by the motor during start-up. The design features a rotor shaft that is reciprocated by the motor's rotating motion, allowing a valve head to open and close an orifice for precise flow rate control. The rotor unit's specific frequency is set higher than the secondary vibration frequency of a 4-cycle internal combustion engine, ensuring optimal performance. The rotor unit comprises an integral magnet, a single ball bearing, and a resin-made magnet holder, all formed into a cohesive structure. This innovative design supports the rotor unit effectively, enhancing the overall functionality of the valve.
Career Highlights
Throughout his career, Kzunori Irifune has worked with prominent companies, including Hitachi, Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various projects that push the boundaries of engineering.
Collaborations
Irifune has collaborated with talented individuals such as Yasuyuki Nakano and Masayuki Suganami. These partnerships have fostered an environment of innovation and creativity, leading to advancements in their respective fields.
Conclusion
Kzunori Irifune's contributions to the development of motor-operated flow control valves highlight his expertise and dedication to innovation in engineering. His patents reflect a commitment to improving the efficiency and reliability of internal combustion engines.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile