Patent ID: 11892011
Assignee: LENOVO (BEIJING) LIMITED
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 0:
1. A fan comprising:
a housing including an accommodation chamber, an air inlet, and an air outlet;
a rotation body arranged in the accommodation chamber, forming a guide channel with an inner wall of the accommodation chamber, and configured to drive air to enter from the air inlet and be guided out from the air outlet through the guide channel; and
at least one auxiliary inlet arranged on the guide channel and configured to introduce the air into the guide channel and to increase a pressure of the air at an end of a fan blade of the rotation body;
wherein the housing includes:
a first wall arranged on a side of the housing closer to the air inlet than to the air outlet, a first end of the first wall and the rotation body forming the air inlet, the first end of the first wall being an end of the first wall closer to the air outlet; and
a second wall arranged on a side of the first wall away from the rotation body, a first auxiliary inlet of the at least one auxiliary inlet and a first channel, communicated to the first auxiliary inlet, of at least one channel being formed by a first member of the second wall and the first end of the first wall, a second member of the second wall and the rotation body forming at least a part of the guide channel;
a third wall, a first end of the third wall being located on a side of a second end of the second wall away from the rotation body, the first end of the third wall and the second end of the second wall forming a second auxiliary inlet of the at least one auxiliary inlet and a second channel, communicated to the second auxiliary inlet, of the at least one channel, and a second end of the third wall and the rotation body forming the air outlet; and
a fourth wall, a first end of the fourth wall being located on a side of the second end of the third wall away from the rotation body, and the first end of the fourth wall and the second end of the third wall body forming a third auxiliary inlet of the at least one auxiliary inlet and a third channel, communicated to the third auxiliary inlet, of the at least one channel.