Kouji Aizawa

Title: Innovations of Kouji Aizawa in Motor-Mounted Internal Gear Pumps

Introduction

Kouji Aizawa is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of engineering, particularly in the development of motor-mounted internal gear pumps. His innovative designs focus on enhancing functionality while maintaining cost-effectiveness.

Latest Patents

Aizawa holds a patent for a motor-mounted internal gear pump and its manufacturing method, as well as electronic equipment. This invention aims to maintain the functionality of a compact and inexpensive motor-mounted internal gear pump while also offering increased reliability and further cost reductions. The design includes a pump part that consists of an inner rotor, an outer rotor, a pump casing, and an internal shaft. The pump casing features flat inner surfaces that face both end faces of the inner and outer rotors. The internal shaft includes a bearing inserted into an axial hole of the inner rotor, along with a fitting part extending from both ends in both axial directions. The pump casing is composed of two separate members, each with flat inner surfaces, which are connected outside the outer rotor's diameter while ensuring that both end faces of the bearing are in contact with the flat inner surfaces.

Career Highlights

Aizawa has dedicated his career to advancing technology in the field of pump design. His work at Hitachi, Ltd. has allowed him to collaborate with other talented engineers and contribute to innovative projects that enhance the efficiency and reliability of mechanical systems.

Collaborations

Throughout his career, Aizawa has worked alongside notable colleagues such as Hirotaka Kameya and Masato Nakanishi. Their collaborative efforts have led to advancements in engineering solutions and have fostered a culture of innovation within their team.

Conclusion

Kouji Aizawa's contributions to the field of motor-mounted internal gear pumps exemplify his commitment to innovation and engineering excellence. His patent reflects a significant advancement in pump technology, showcasing his ability to combine functionality with cost-effectiveness.