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Cross-flow wind wheel and air conditioner

A cross-flow wind wheel and air conditioner technology, which is applied to machines/engines, parts of pumping devices for elastic fluids, non-variable pumps, etc., can solve the problem of large resistance to air flow, loss of air volume, and reduction of cross-flow wind Problems such as wheel power, to achieve the effect of increasing air volume, reducing resistance, and reducing power

Pending Publication Date: 2018-04-24
GD MIDEA AIR-CONDITIONING EQUIP CO LTD +1
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AI Technical Summary

Problems solved by technology

Conventional cross-flow wind rotors mostly use arc-shaped blades, and the blades are divided into inner blades and outer blades by a cut plane that perpendicularly bisects the chord line connecting the blades, and the inner blades and outer blades are completely symmetrical about the chord line , so that the resistance of the blades to the air flow is relatively large, resulting in loss of air volume, which is not conducive to reducing the power of the cross-flow rotor

Method used

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  • Cross-flow wind wheel and air conditioner
  • Cross-flow wind wheel and air conditioner
  • Cross-flow wind wheel and air conditioner

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0026] It should be noted that if there is a directional indication (such as up, down, left, right, front, back...) in the embodiment of the present invention, the directional indication is only used to explain the position in a certain posture (as shown in the accompanying drawing). If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, if there are descriptions involving "first", "second" and ...

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Abstract

The invention discloses a cross-flow wind wheel and an air conditioner. The cross-flow wind wheel comprises two end plates oppositely arranged and a tubular impeller arranged between the two end plates. The tubular impeller comprises a plurality of blades arranged in an arc shape. Each blade is divided into an inner blade part and an outer blade part by a tangent plane of a chord line which perpendicularly bisects the blade. The superficial area of each outer blade part is S1, the superficial area of each inner blade part is S2, and S2 / S1 belongs to [1.15, 1.25]. Through the cross-flow wind wheel, the wing shape of the cross-flow wind wheel can be improved so that the airflow flowing resistance can be reduced, then the air volume of the cross-flow wind wheel is increased, and the power ofthe cross-flow wind wheel is lowered.

Description

technical field [0001] The invention relates to the technical field of air conditioners, in particular to a cross-flow wind wheel and an air conditioner. Background technique [0002] Because of its simple structure and small size, the cross-flow wind wheel is widely used in household appliances and air-conditioning equipment as a ventilation device. The cross-flow wind wheel mainly includes two oppositely arranged end plates and a cylindrical impeller connected to the two end plates. The cylindrical impeller includes a plurality of blades. The upper blade gap enters, forms a flow vortex inside the cylindrical impeller, and finally flows out from the lower blade gap of the cross-flow rotor. Conventional cross-flow wind rotors mostly use arc-shaped blades, and the blades are divided into inner blades and outer blades by a cut plane that perpendicularly bisects the chord line connecting the blades, and the inner blades and outer blades are completely symmetrical about the cho...

Claims

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Application Information

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IPC IPC(8): F04D29/28F04D29/30
CPCF04D29/281F04D29/30
Inventor 张敏
Owner GD MIDEA AIR-CONDITIONING EQUIP CO LTD
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