Patent ID: 11937595
Assignee: nan
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC A  F | IPC A  F

Claim 6:
7. The air supply device with air refreshing and insect repellent function according to claim 5, wherein said air duct unit comprises an air duct casing and said air channel is inside said air duct casing, wherein said air duct casing is formed by a left air duct member and a right air duct member coupled with said left air duct member, and has a longitudinal section of helical shape, an opening of said air channel faces obliquely upwardly, each of said left air duct member and said right air duct member has a panel protruded upwardly at a top portion thereof, and said air outlet with a cylindrical shape is formed by mating said two panels of said left air duct member and said right air duct member.