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Swirl eliminator, mixed flow fan and air conditioner

A racemizer and flow channel technology, which is applied in the direction of machines/engines, mechanical equipment, liquid fuel engines, etc., can solve the problems of inability to achieve aerodynamic performance, non-concentrated air supply, affecting the wind speed distribution on the surface of the heat exchanger and heat transfer performance, etc. problems, to achieve the effect of eliminating the circumferential partial velocity, improving the air supply performance, and increasing the air outlet pressure head

Pending Publication Date: 2020-05-08
GREE ELECTRIC APPLIANCES INC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, the air outlet of the mixed flow fan itself is inclined, and the air supply is not concentrated, which seriously affects the wind speed distribution and heat transfer performance on the surface of the heat exchanger inside the air conditioner, and the required aerodynamic performance cannot be achieved by optimizing the mixed flow fan alone

Method used

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  • Swirl eliminator, mixed flow fan and air conditioner
  • Swirl eliminator, mixed flow fan and air conditioner
  • Swirl eliminator, mixed flow fan and air conditioner

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Embodiment Construction

[0042] The technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, but not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

[0043] In the description of the present invention, it should be understood that the terms "center", "horizontal", "portrait", "front", "rear", "left", "right", "top", "bottom", " The orientation or positional relationship indicated by vertical, horizontal, top, bottom, inner, outer, etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and The description is simplified rather than indicating or im...

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Abstract

The invention relates to a swirl eliminator, a mixed flow fan and an air conditioner. The swirl eliminator comprises a wheel cover (10), a hub (20) and blades, wherein the wheel cover (10) is providedwith a through cavity, the hub (20) is arranged in the cavity, a flow channel (50) is formed between the hub (20) and the cavity wall of the cavity, the blades are arranged in the flow channel (50) and used for guiding airflow flowing through the flow channel (50) to flow out in the direction close to the axis (60) of the swirl eliminator, a central trajectory (53) on a longitudinal section, passing through the axis (60) of the swirl eliminator, of the flow channel (50) comprises a first trajectory and a second trajectory, the distance between the first trajectory and the axis (60) of the swirl eliminator increases in the airflow flowing direction, the second trajectory is located downstream of the first trajectory, and the distance between the second trajectory and the axis (60) of the swirl eliminator decreases in the airflow flowing direction. The swirl eliminator can improve the air supply performance and improve the air outlet pressure head.

Description

technical field [0001] The invention relates to the technical field of fans, in particular to a racemizer, a mixed-flow fan and an air conditioner. Background technique [0002] In order to improve the quality and comfort of air conditioners, it is necessary to match suitable fans for different needs and models. Under the premise of meeting the air volume and noise requirements, in order to achieve anti-high static pressure air supply, mixed flow fans are often used for air conditioning air supply. [0003] However, the mixed-flow fan itself has an inclined air outlet, and the air supply is not concentrated, which seriously affects the wind speed distribution and heat exchange performance on the surface of the heat exchanger inside the air conditioner, and the required aerodynamic performance cannot be achieved by optimizing the mixed-flow fan alone. [0004] It should be noted that the information disclosed in the Background of the Invention section is only intended to inc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D29/66
CPCF04D29/667
Inventor 马屈杨池晓龙张治平刘煜夏凯张碧瑶
Owner GREE ELECTRIC APPLIANCES INC
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