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US 7,731,479 B2Granted
Fan and fan housing with airflow-guiding stationary blades
AssigneeDelta Electronics, Inc.
InventorsPei-Yu Chang, Tsu-Liang Lin, Wen-Shi Huang
Life of this patent
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Abstract
A fan includes a fan housing and an impeller. The fan housing includes a frame, a base disposed in the frame, a plurality of stationary blades disposed between the frame and the base, and a plurality of airflow-guiding elements extending inward from the frame and toward the base. The airflow-guiding elements and the stationary blades are alternately arranged. The impeller is disposed in the fan housing.
Claims17
A fan housing, comprising:
- a frame;
- a base disposed in the frame;
- a plurality of stationary blades disposed between the frame and the base;
- a plurality of airflow-guiding elements disposed between the stationary blades,
- wherein the airflow-guiding elements are spaced apart from the base, and each of the airflow-guiding elements has one free end.
2 more elements
A fan housing, comprising:
- a frame;
- a base disposed in the frame;
- a plurality of stationary blades disposed between the frame and the base;
- and
- a plurality of airflow-guiding elements extending from the frame or the base,
- wherein each of the airflow-guiding elements has one free end,
- wherein the airflow-guiding elements and the stationary blades are alternately arranged.
4 more elements
A fan, comprising:
- a fan housing comprising:
- a frame;
- a base disposed in the frame;
- a plurality of stationary blades disposed between the frame and the base;
- and
- a plurality of airflow-guiding elements extending from the frame or the base and disposed between the stationary blades, wherein each of the airflow-guiding elements has one free end;
- and
- an impeller disposed in the fan housing,
- wherein the airflow-guiding elements and the stationary blades are alternately arranged.
6 more elements
A fan, comprising:
- a fan housing comprising:
- a frame;
- a base disposed in the frame;
- a plurality of stationary blades disposed between the frame and the base;
- and
- a plurality of airflow-guiding elements extending from the frame or the base, wherein each of the airflow-guiding elements has one free end;
- and
- an impeller disposed in the fan housing and comprising a plurality of inclinedly upward-extending, inclined blades;
- wherein the airflow-guiding elements and the stationary blades are alternately arranged.
6 more elements
Dependencies are inferred from the claim text.