Delta Electronics, Inc.

Ya-Hui Hung

Kun-Ming Lee

Yi-Lin Chen

Ming-Kai Hsieh

Li-Chen Lin

Ching-Hsiang Huang

Ci-Ming Huang

A fan includes an impeller, a motor, a plurality of first engaging members and a plurality of second engaging members. The impeller includes a hub and a plurality of blades disposed around the hub. The motor includes a rotor housing coupled with the hub, and the motor is for driving the impeller to rotate. The first engaging members are disposed on an inner side of the top surface of the hub, and the second engaging members are disposed on the top surface of the housing. When the impeller and the rotor housing are assembled, the second engaging members are disposed corresponding to the first engaging members, so that parts of the first engaging members are engaged into and assembled with the second engaging members.

A fan includes an impeller and a fan frame. The impeller is accommodated within the fan frame. The impeller has a hub and a plurality of blades disposed around the hub. The hub has a top portion and a side wall connected with the top portion. The hub further has a plurality of flexible portions disposed and located on the side wall. The blades are connected with the flexible portions, respectively, so that the blades are connected to the hub.

Fan and impeller thereof

A connection structure is applied to a serial fan assembly, which includes an upstream fan and a downstream fan. The upstream fan and the downstream fan have different sizes. The connection structure connects the upstream fan and the downstream fan so that the upstream fan and the downstream fan are arranged in series. The connection structure has a housing, a base and a plurality of ribs for connecting the base, and the housing is formed with an air guiding passage and a chamber. The upstream fan or the downstream fan is accommodated in the chamber or the air guiding passage is located between the upstream fan and the downstream fan.

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Taoyuan Hsien, Taiwan

Ya-Hui Hung