Toshiaki Tsubai

Title: Toshiaki Tsubai: Innovator in Engine Technology

Introduction

Toshiaki Tsubai is a notable inventor based in Sendai, Japan. He has made significant contributions to the field of internal combustion engine technology. With a total of 3 patents to his name, Tsubai's work focuses on enhancing engine performance and efficiency.

Latest Patents

One of Tsubai's latest inventions is an anti-overrunning device for an internal combustion engine. This innovative carburetion system includes a carburetor with a throttle valve that opens and closes the venturi passage. It features a pressure-responsive actuator that moves the throttle valve to a closing position against a spring bias. Additionally, a vibration-responsive pneumatic pump is connected to direct pressure to the actuator's pressure chamber. A vibration sensor, designed as a spring-backed ball, detects engine vibrations and communicates with the pump's pressure chamber. In response to overrun conditions, the sensor allows pressure to develop in the actuator, effectively reducing the throttle opening.

Career Highlights

Toshiaki Tsubai is currently employed at Walbro Far East, Inc., where he continues to innovate in engine technology. His work has been instrumental in developing systems that improve engine reliability and performance.

Collaborations

Tsubai has collaborated with notable colleagues, including Yoshimi Sejimo and Teruhiko Tobinai. Their combined expertise has contributed to advancements in engine technology.

Conclusion

Toshiaki Tsubai's contributions to engine technology through his innovative patents demonstrate his commitment to improving internal combustion systems. His work continues to influence the industry and enhance engine performance.