1results about How to "Guaranteed wind speed" patented technology

This invention discloses a handheld high-speed fan, comprising a first column and a second column. A ducted motor is housed inside the first column, with fan blades at the bottom of the ducted motor. A battery is housed inside the second column, and the ducted motor is electrically connected to the battery. An air inlet is located at the connection point of the first and second columns, and an air outlet is located at the first end of the first column furthest from the second column. A guide plate is provided at the air outlet, with the upper part serving as a converging section and the lower part as an air collecting section. The guide plate and the air outlet form an air outlet channel. In this invention, the narrowing design of the air outlet and the guide plate results in a narrowing of the internal airflow channel from bottom to top, accelerating the airflow. The airflow then flows along the guide surface of the guide plate, and finally, the symmetrical airflows on both sides converge at the center of the convex surface, thus being ejected vertically. A high-pressure zone is formed at the center of the guide plate, increasing the wind pressure and creating a vortex jet effect. This reduces airflow loss and ensures effective airflow and speed.