Weifeng Qian

Title: Innovator Weifeng Qian: Pioneering Brushless Motor Technologies

Introduction

Weifeng Qian is an esteemed inventor based in Suzhou, China, known for his contributions to the field of motor technology. With a total of two patents to his name, Qian is actively pushing the boundaries of innovation, particularly within the realm of power tools.

Latest Patents

Qian's groundbreaking patents include the following:

1. **Outer-rotor brushless motor for a power tool**: This invention features an outer-rotor brushless direct-current motor designed to enhance efficiency. The motor comprises a supporting motor can that houses essential components, along with a fan mounted on the rotor shaft. This fan generates airflow through the motor can to cool the components. Notably, the motor can is equipped with strategically placed exhaust openings for expelling airflow radially and intake openings that allow air to enter from a distance, optimizing the cooling process.

2. **Rotor magnet retainer**: This patent outlines a motor assembly that includes a stator and rotor assembly, where the rotor assembly has a rotor core with magnet pockets running longitudinally. The design allows for the placement of permanent magnets in these pockets, secured by a spring structure that applies biasing forces. Additionally, a magnet retention end cap can be used to further secure the components.

Career Highlights

Weifeng Qian has made significant strides in his professional career, currently working with Black & Decker Corporation. His role within this esteemed company has allowed him to contribute to innovative designs in motor technology, ensuring that power tools remain at the forefront of efficiency and performance.

Collaborations

Throughout his career, Qian has collaborated with talented individuals such as Ming Jin and Tong Zheng, fostering an environment of creativity and ingenuity. These collaborations have been pivotal in realizing the potential of his inventions within the competitive landscape of motor technology.

Conclusion

Weifeng Qian stands out as a remarkable inventor whose work continues to influence the power tool industry. With his innovative patents and strategic collaborations, Qian exemplifies the spirit of invention and innovation that propels technology forward. His contributions not only enhance product performance but also pave the way for future advancements in motor technologies.