Tatsuo Sakai

Title: Innovations of Tatsuo Sakai

Introduction

Tatsuo Sakai is a notable inventor based in Kariya, Japan. He has made significant contributions to the field of engineering, particularly in the automotive industry. With a total of 9 patents to his name, Sakai has developed innovative solutions that enhance vehicle performance and efficiency.

Latest Patents

One of Sakai's latest patents is the emission gas recycling equipment featuring a butterfly valve. This equipment includes a passage for recycling a portion of emission gas and a control valve that regulates the amount of gas recycled. The control valve consists of a housing with a pipe portion, a butterfly valve that can rotate in both directions, a seal ring for sealing, and valve operation means that ensure the butterfly valve stops at the full close position after operating to open and close. This innovation is particularly useful when the engine stops or after it has stopped.

Another significant patent is the fuel supply system installed inside a fuel tank. This system comprises a cover, a pump unit, and metal pipes. The cover and pump unit are connected via metal pipes that allow for relative movement. The case cover, which encases the pump unit, features supporting portions with through holes. Each metal pipe is guided through these holes, allowing for axial movement within the supporting portion. The design includes grooves that reduce sliding resistance, enabling smooth relative movement of the pump unit to the cover.

Career Highlights

Sakai has worked with prominent companies such as Denso Corporation and Nippondenso Co., Ltd. His experience in these organizations has allowed him to apply his innovative ideas in practical applications, contributing to advancements in automotive technology.

Collaborations

Throughout his career, Sakai has collaborated with talented individuals, including Masakazu Tanaka and Kinji Hodaira. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.

Conclusion

Tatsuo Sakai's contributions to the field of engineering through his patents and collaborations highlight his innovative spirit and dedication to improving automotive technology. His work continues to influence the industry and inspire future inventors.