Energy saving fan
An energy saving fan comprising a pellet, a hub connected with the pellet and a plurality of curve shaped blades extended radially outward from the hub. The roots of the adjacent blades are connected by a curved shaped connecting part extending from the trailing edge of a previous blade to the leadi...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | An energy saving fan comprising a pellet, a hub connected with the pellet and a plurality of curve shaped blades extended radially outward from the hub. The roots of the adjacent blades are connected by a curved shaped connecting part extending from the trailing edge of a previous blade to the leading edge of a subsequent blade. A first reinforcing rib is formed on a windward surface of each blade from a trailing edge corner to the hub, a second reinforcing rib is formed on a leeward surface of each blade from a leading edge corner to the hub, and a third reinforcing rib is formed on the leeward surface of each blade from the hub to the trailing edge. These reinforcing ribs improve the strength of the blade roots and prolong the service life of the blades. |
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