Fan blade and fan with same

A fan and blade technology, applied in the field of fans and fan blades, can solve the problems of low performance, large uncertainty, and small air volume of fan blades, etc., to reduce operating noise, improve overall performance, and good continuity Effect

Inactive Publication Date: 2015-07-01
GD MIDEA ENVIRONMENT APPLIANCES MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] In the related art, there are many parameters to be considered in the design of the blades of the fan blades, the design uncertainty is large, and the air volume of the fan blades is small, and the performance is low

Method used

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  • Fan blade and fan with same
  • Fan blade and fan with same
  • Fan blade and fan with same

Examples

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Embodiment Construction

[0045] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0046] In describing the present invention, it is to be understood that the terms "central", "longitudinal", "front", "rear", "vertical", "inner", "outer", "clockwise", "counterclockwise" ", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or It should not be construed as limiting the invention b...

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PUM

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Abstract

The invention discloses a fan blade and a fan with the same. The fan blade comprises a hub and at least one blade. The at least one blade is arranged in the circumference of the hub. Cross sections parallel to the center axis of the hub intersect with a suction surface and a pressure surface of each blade to form first intersecting lines and second intersecting lines respectively. A connection line of a center of a circle where each first intersecting line and each second intersecting line are tangent to the circle simultaneously is an airfoil profile mean line, and each cross section is a plane or a cylindrical surface. At least one half of at least one of each first intersecting line, each second intersecting line and each airfoil profile mean lines forms a sinusoidal curve. According to the fan blades, the sinusoidal curve is utilized to design the blades, so that the blades having good performance can be obtained conveniently, the blast capacity and the energy efficiency of the fan blades can be improved, and the outlet air of positive and reverse rotation of the fan blades can be achieved. In addition, the surface of each blade is smooth, the continuity is good, the high frequency noise can be effectively controlled, the running noise is reduced, and the whole performance of the fan blades is improved.

Description

technical field [0001] The invention relates to the field of electrical appliances, in particular to a fan blade and a fan with the same. Background technique [0002] In the related art, there are many parameters to be considered in the design of the blade of the fan blade, the design uncertainty is large, and the air volume of the fan blade is small, and the performance is low. Contents of the invention [0003] The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present invention is to provide a fan blade with good performance and simple design. [0004] Another object of the present invention is to provide a fan with the above-mentioned fan blades. [0005] The fan blade according to the first aspect of the present invention includes: a hub and at least one blade, at least one of the blades is arranged on the circumference of the hub, wherein a section parallel to the central axis of the hu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/38
CPCF04D29/384F04D29/663
Inventor 万欣
Owner GD MIDEA ENVIRONMENT APPLIANCES MFG
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