GUIDE DEVICE FOR A CENTRIFUGAL BLOWER
First Claim
1. A centrifugal blower, comprising:
- a hollow housing having a fluid inlet and a fluid outlet formed therein;
an impeller having a plurality of blades disposed in the hollow housing, wherein the impeller causes a fluid received in the fluid inlet to flow in a radially outward direction to the fluid outlet; and
a guide device disposed in the fluid inlet, the guide device including a shroud having a leading edge and a trailing edge, wherein the shroud is configured to militate against a recirculation of flow of the fluid at the fluid inlet of the hollow housing.
3 Assignments
0 Petitions
Accused Products
Abstract
A centrifugal blower including a hollow housing and an impeller having a plurality of blades disposed in the hollow housing, wherein the impeller causes a fluid received in a fluid inlet of the hollow housing to flow in a radially outward direction to a fluid outlet of the hollow housing. A guide device for directing the flow of the fluid in the blower is disposed in the fluid inlet of the hollow housing, the guide device including a shroud configured to militate against turbulence, noise, a recirculation of flow of the fluid at the fluid inlet, and interference between the guide device and balance weights of the blower during an assembly of the blower.
-
Citations
20 Claims
-
1. A centrifugal blower, comprising:
-
a hollow housing having a fluid inlet and a fluid outlet formed therein; an impeller having a plurality of blades disposed in the hollow housing, wherein the impeller causes a fluid received in the fluid inlet to flow in a radially outward direction to the fluid outlet; and a guide device disposed in the fluid inlet, the guide device including a shroud having a leading edge and a trailing edge, wherein the shroud is configured to militate against a recirculation of flow of the fluid at the fluid inlet of the hollow housing. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
-
-
9. A centrifugal blower, comprising:
-
a hollow housing having a fluid inlet and a fluid outlet formed therein; an impeller having a plurality of blades disposed in the hollow housing, wherein the impeller causes a fluid received in the fluid inlet to flow in a radially outward direction to the fluid outlet; and a guide device disposed in the fluid inlet, the guide device including a central hub, an outer ring, a plurality of blades formed to extend between the central hub and the outer ring, and a shroud formed between a pair of the blades, the shroud configured to militate against a recirculation of flow of the fluid at the fluid inlet of the hollow housing, wherein the shroud includes a leading edge and a trailing edge. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
-
-
20. A centrifugal blower, comprising:
-
a hollow housing having a fluid inlet and a fluid outlet formed therein; an impeller having a plurality of blades disposed in the hollow housing, wherein the impeller causes a fluid received in the fluid inlet to flow in a radially outward direction to the fluid outlet; and a guide device disposed in the fluid inlet, the guide device including a shroud configured to militate against turbulence, noise, a recirculation of flow of the fluid at the fluid inlet of the hollow housing, and an interference between the guide device and balance weights of the blower during an assembly of the blower, wherein the shroud is positioned in the fluid inlet such that a trailing edge of the shroud and a cutoff position of the blower define a predetermined angle.
-
Specification