Patent ID: 11946489
Assignee: LENOVO (BEIJING) LIMITED
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  G  Y | IPC F  G

Claim 0:
1. A heat dissipation fan comprising:
a fan blade assembly including:
a plurality of fan blades; and
a plurality of silencers connected to the plurality of fan blades and evenly arranged along a rotation direction of the plurality of fan blades, a center of gravity of the plurality of silencers coinciding with a rotation center of the heat dissipation fan;
wherein:
at least some fan blades of the plurality of fan blades have different contact surfaces with air;
one silencer of the plurality of silencers includes a first end and a second end respectively connected to corresponding fan blades of the plurality of fan blades; and
a set height of the first end in a width direction of the corresponding fan blade connected to the first end is different from a set height of the second end in a width direction of the corresponding fan blade connected to the second end.