Company Filing History:
Years Active: 2009
Title: Innovations by Tuneo Maruyama
Introduction
Tuneo Maruyama is a notable inventor based in Niigata, Japan. He has made significant contributions to the field of engineering, particularly in the development of internal gear pumps. His innovative designs focus on enhancing the performance and durability of these mechanical components.
Latest Patents
Maruyama holds a patent for an inner rotor and outer rotor of an internal gear pump. This invention features an inner rotor with excellent corrosion resistance, which includes an outer gear that serves as a component of the internal gear pump. The outer rotor also boasts excellent corrosion resistance and contains an inner gear that engages with the outer gear. The materials used for both rotors are Cu–Ni-based sintered copper alloy, which contains 12 to 50% by mass of Ni, 5 to 20% by mass of Sn, and 0.5 to 5% by mass of C. Additionally, the alloy may include 5 to 20% by mass of Zn, 0.1 to 0.9% by mass of P, with the balance being Cu and inevitable impurities. This innovative design aims to improve the efficiency and longevity of internal gear pumps.
Career Highlights
Tuneo Maruyama is associated with Mitsubishi Materials Corporation, where he has been able to apply his expertise in materials science and engineering. His work has led to advancements in the manufacturing processes and applications of various mechanical components.
Collaborations
Maruyama has collaborated with Teruo Shimizu, a fellow engineer, to further enhance the development of innovative technologies in their field. Their partnership has contributed to the successful implementation of new ideas and solutions within the industry.
Conclusion
Tuneo Maruyama's contributions to the field of engineering, particularly through his patent for an inner rotor and outer rotor of an internal gear pump, showcase his innovative spirit and dedication to improving mechanical systems. His work continues to influence the industry and inspire future advancements.