Centrifugal blower
AssigneeDelta Electronics, Inc.
InventorsChao-Wen Lu, Chun-Chih Wang, Ding-Wei Chiu
Life of this patent
Estimating the term…
Abstract
A centrifugal blower is provided. The centrifugal blower includes a hub, a shaft, a motor, a plurality of blades, a rib, and a first fin. The shaft is connected to the hub. The motor rotates the shaft. Each blade includes a rib and a first fin. The rib is connected to the hub, wherein the rib extends from the hub to an end of the blade. The first fin is disposed on a first side of the rib and connected to the hub, wherein the first fin includes a first surface, the rib protrudes from the first surface, and the thickness of the first fin is less than the thickness of the rib.
Claims10
A centrifugal blower, comprising:
- a hub;
- a shaft, connected to the hub;
- a motor, rotating the shaft;
- and
- a plurality of blades, wherein each blade comprises:
- a rib, connected to the hub, wherein the rib extends from the hub to an end of the blade;
- and
- a first fin, disposed on a first side of the rib and connected to the hub, wherein the first fin comprises a first surface, the rib protrudes from the first surface, and a thickness of the first fin is less than a thickness of the rib, wherein each blade comprises a second fin, the second fin is disposed on a second side of the rib, the second fin comprises a second surface, the rib protrudes from the second surface, and a thickness of the second fin is less than the thickness of the rib, wherein the rib comprises a top surface, a first lateral surface and a second lateral surface, the first lateral surface and the second lateral surface are inclined surfaces, the first lateral surface is connected to the first surface of the first fin, the second lateral surface is connected to the second surface of the second fin;
- and
- a housing, wherein a first inlet is formed between the housing and the hub, a second inlet is formed between the housing and the motor, the first fin extends toward the first inlet, and the second fin extends toward the second inlet, wherein the thickness of the second fin is greater than the thickness of the first fin.
Dependencies are inferred from the claim text.