Shigehiko Omata

Title: Shigehiko Omata: Innovator in Fuel Pump Technology

Introduction

Shigehiko Omata is a prominent inventor based in Hitachinaka, Japan. He has made significant contributions to the field of fuel pump technology, holding a total of 10 patents. His innovative designs focus on enhancing the efficiency and reliability of fuel pumps.

Latest Patents

One of his latest inventions is a fuel pump designed to prevent cavitation near a seat member in a valve mechanism. This fuel pump features a plunger that reciprocates, a pressurizing chamber that adjusts its volumetric capacity, and a relief valve mechanism that returns fuel to the pressurizing chamber. The design includes a relief valve positioned closer to the plunger than the seat member, with an annular groove that creates a space communicating with the pressurizing chamber. Another notable invention is a high-pressure fuel pump that ensures oil tightness even under high fuel pressure. This pump incorporates a small and lightweight discharge valve structure, featuring a discharge valve and a discharge valve seat, along with a facing member that regulates the displacement of the discharge valve.

Career Highlights

Shigehiko Omata has worked with reputable companies such as Hitachi Automotive Systems, Ltd. and Hitachi Astemo Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in fuel pump technology.

Collaborations

Throughout his career, Omata has collaborated with talented individuals, including Shigenori Nakazato and Moritsugu Akiyama. These collaborations have contributed to the advancement of his inventions and the overall progress in the field.

Conclusion

Shigehiko Omata's contributions to fuel pump technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of engineering principles and a dedication to improving fuel pump performance.