Yoshinari Shimada

Title: Innovations by Yoshinari Shimada

Introduction

Yoshinari Shimada is a notable inventor based in Yokohama, Japan. He has made significant contributions to the field of appliance technology, particularly in washing machines. With a total of 3 patents to his name, his work focuses on enhancing the efficiency and performance of household appliances.

Latest Patents

Shimada's latest patents include innovative designs for a washing machine and a pulley specifically for washing machines. His pulley design improves rigidity while minimizing weight, which effectively reduces excessive noise caused by resonance. The washing machine features a drum that is rotatably disposed in a water tub, driven by a motor that rotationally drives a pulley fixed to the drum via an endless belt. The pulley has multiple arms that extend radially from the boss to support an outer wheel. Notably, the arms have a variable cross-sectional portion that decreases in section modulus against bending from the boss to the outer wheel. This design aims to enhance the overall performance of the washing machine.

Additionally, the washing machine incorporates an improved pulley that minimizes noise generation. When the shaft is inserted into the shaft insertion hole, it closely contacts the hole to reduce tolerance, ensuring that the rotation shaft of the pulley aligns with the center axis of the shafts. This alignment effectively reduces noise generated during the pulley’s rotation. Furthermore, the spoke of the pulley features a curved portion, which decreases air friction and further minimizes noise.

Career Highlights

Yoshinari Shimada is currently employed at Samsung Electronics Co., Ltd., where he continues to innovate and develop new technologies. His work has significantly impacted the design and functionality of modern washing machines, making them quieter and more efficient.

Collaborations

Shimada collaborates with talented coworkers, including Takahiro Nakashima and Kazushi Mori. Their combined expertise contributes to the advancement of technology within their field.

Conclusion

Yoshinari Shimada's contributions to washing machine technology exemplify the importance of innovation in everyday appliances. His patents reflect a commitment to improving user experience through enhanced design and functionality.