Location History:
- Atsugi, JP (2011)
- Kanagawa, JP (2011)
Company Filing History:
Years Active: 2011
Title: Norikatsu Hoshina: Innovator in Variable Displacement Vane Pumps
Introduction
Norikatsu Hoshina is a notable inventor based in Atsugi, Japan. He has made significant contributions to the field of engineering, particularly in the development of variable displacement vane pumps. With a total of 2 patents to his name, Hoshina's work has had a considerable impact on the industry.
Latest Patents
Hoshina's latest patents include innovative designs for variable displacement vane pumps. One of his patents describes a variable displacement vane pump that effectively suppresses seizing between the pressure plate and rotor. This design features an annular lubricating groove on the pressure plate's side surface, which enhances lubrication and reduces wear. The radial width of the lubricating groove is carefully calibrated to optimize performance, ensuring that it falls within 10% to 25% of the seal surface's radial width. Additionally, the distance from the groove to the inner cylindrical surface of the through opening is set between 24% and 70% of the seal surface's radial width.
Another patent by Hoshina outlines a variable displacement vane pump that consists of a rotor, a cam ring, and a pump casing with first and second side walls. This design includes a pressure introduction groove that allows for the introduction of pressure lower than the outlet pressure, enhancing the pump's efficiency and reliability.
Career Highlights
Hoshina is currently employed at Hitachi, Ltd., where he continues to innovate and develop advanced engineering solutions. His work at Hitachi has allowed him to collaborate with other talented engineers and contribute to the company's reputation for excellence in technology.
Collaborations
Throughout his career, Hoshina has worked alongside esteemed colleagues such as Yukio Uchida and Jun Soeda. These collaborations have fostered a creative environment that encourages the exchange of ideas and the development of cutting-edge technologies.
Conclusion
Norikatsu Hoshina is a distinguished inventor whose work in variable displacement vane pumps has made a significant impact on the engineering field. His innovative designs and collaborations with other professionals highlight his commitment to advancing technology. Hoshina's contributions continue to shape the future of engineering solutions.