IMPELLER
First Claim
Patent Images
1. An impeller, comprising:
- a wheel hub; and
a plurality of blades, wherein each of the blades has a blade root, the blade connects to the wheel hub through the blade root, the blades have different lengths, each of the blades has an included angle between the blade root and the wheel hub, the included angles of the blades are different, and a centroid of the blades is located at an axis center of the impeller.
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Abstract
An impeller includes a wheel hub and a plurality of blades. The blade has a blade root, and the blade connects to the wheel hub through the blade root. The blades have different lengths. Each blade has an included angle between the blade root and the wheel hub, and the included angles of the blades are different. A centroid of the blades is located at an axis center of the impeller. The impeller is further configured with a blade reinforcement structure.
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Citations
11 Claims
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1. An impeller, comprising:
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a wheel hub; and a plurality of blades, wherein each of the blades has a blade root, the blade connects to the wheel hub through the blade root, the blades have different lengths, each of the blades has an included angle between the blade root and the wheel hub, the included angles of the blades are different, and a centroid of the blades is located at an axis center of the impeller. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An impeller, comprising:
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a wheel hub; a plurality of blades, wherein each of the blades has a blade root, the blade connects to the wheel hub through the blade root, the blades have different lengths, each of the blades has an included angle between the blade root and the wheel hub, the included angles of the blades are different, and a centroid of the blades is located at an axis center of the impeller; and a blade enhancement structure disposed around the wheel hub and connecting to a part of the blades. - View Dependent Claims (10, 11)
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Specification