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US 2025/0198424 A1Published application
Airflow device
AssigneeNanjing Chevron Industry Co., Ltd.
InventorsJianpeng Guo, Rui Zhang, Jingwei Li, Rui Zhan, Wenhao Zhang
Life of this patent
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Abstract
An airflow device includes a grip for a user to hold; a pipe assembly for the air to pass through; fan blades rotatable about a fan axis; a motor for driving the fan assembly to rotate; and guide vanes for directing the airflow. The inner diameter of the pipe assembly is greater than or equal to 90 mm. The flow rate of the airflow device is greater than or equal to 1000 CFM. The maximum rotational speed of the motor is less than 35000 rpm.
Claims20
An airflow device, comprising:
- a grip for a user to hold;
- a pipe assembly for air to pass through;
- a fan assembly comprising fan blades rotatable about a fan axis of the fan assembly and a fan blade support portion to support the fan blades;
- and
- a motor configured to drive the fan assembly to rotate;
- wherein the fan assembly is an axial flow fan, an inner diameter of the pipe assembly is greater than or equal to 90 mm, a flow rate of the airflow device is greater than or equal to 1000 CFM, and a maximum rotational speed of the motor is less than 35000 rpm.
3 more elements
An airflow device, comprising:
- a grip for a user to hold;
- a pipe assembly for air to pass through;
- a fan assembly comprising fan blades rotatable about a fan axis of the fan assembly and a fan blade support portion to support the fan blades;
- and
- a motor configured to drive the fan assembly to rotate;
- wherein the fan assembly is an axial flow fan, the airflow device further comprises a handle for the user to hold located on a front side of the grip, a flow rate of the airflow device is greater than or equal to 1000 CFM, and a maximum rotational speed of the motor is less than 35000 rpm.
3 more elements
Dependencies are inferred from the claim text.