Patent ID: 11873825
Assignee: SHENZHEN LANHE TECHNOLOGIES CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A portable blowing device configured for being worn around a neck of a human body, comprising: two parts with a receiving space formed therebetween to allow the neck to be disposed therein; each of the two parts being provided with an airflow channel and a fan for generating an airflow to flow through the airflow channel; each of the two parts comprising an inner side wall facing the receiving space and an outer side wall opposite from the receiving space; and each of the two parts comprising a first air inlet defined at the inner side wall, a second air inlet defined at the outer side wall, and an air outlet which is in communication with the first and second air inlets via the airflow channel, the fan of each of the two parts being arranged at a position facing the corresponding first and second air inlets, wherein the air outlet of each of the two parts comprises a plurality of air outlet openings arranged along a circumferential direction of the receiving space, the air outlet openings in each of the two parts becoming smaller in diameter along a direction moving away from the corresponding fan.