Hirotetu Sonoda

Title: Hirotetu Sonoda: Innovator in Power Steering Technology

Introduction

Hirotetu Sonoda is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of power steering technology, holding a total of 3 patents. His work focuses on enhancing the efficiency and control of steering systems in vehicles.

Latest Patents

One of Sonoda's latest patents is a steering force controller for power steering apparatus. This invention relates to a mechanism that controls steering force by managing the oil pressure supplied to a reaction chamber. The pressure controlling mechanism operates to increase the channel area between the reaction passage and the feed passage while reducing the channel area between the reaction passage and the discharge passage. This innovative design enhances the flexibility in controlling the pressure within the reaction chamber.

Another significant patent is a hydraulic reaction force apparatus for a power steering system. This apparatus includes a pump, a power cylinder, a control valve, and a spool valve. The spool valve's opening is adjusted based on the pressure difference between upstream and downstream pressures, allowing for precise control of the hydraulic reaction force.

Career Highlights

Hirotetu Sonoda is currently employed at Jidosha Kiki Co., Ltd., where he continues to develop advanced technologies in the automotive sector. His expertise in hydraulic systems and steering mechanisms has positioned him as a key figure in his field.

Collaborations

Sonoda has collaborated with notable colleagues such as Yoshio Suzuki and Hideo Yabe. Their combined efforts have contributed to the advancement of innovative solutions in power steering technology.

Conclusion

Hirotetu Sonoda's contributions to power steering technology through his patents and collaborations highlight his role as an influential inventor in the automotive industry. His work continues to impact the efficiency and functionality of modern vehicles.