Cross-flow fans and air conditioners

A cross-flow fan and blade technology, applied in the direction of radial flow pumps, machines/engines, pumping devices for elastic fluids, etc., can solve the problem of reducing the efficiency of introducing and discharging air, noise and vibration of cross-flow fans, air conditioners Problems such as overall performance degradation, to achieve the effect of preventing the intake flow rate from decreasing, reducing the vortex, and increasing the flow rate
CN103133360BActive Publication Date: 2015-10-28LG ELECTRONICS INC
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
LG ELECTRONICS INC
Publication Date
2015-10-28

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Abstract

A cross flow fan and an air conditioner including the cross flow fan, where the cross flow fan includes a fixing member (120), and a plurality of blades (110) fixed to an upper surface of the fixing member and spaced apart from each other in a circumferential direction. One or more of the blades (110) include a protrusion (113) protruding in a downward direction from a surface of the blade.
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Description

technical field

[0001] The invention relates to a cross-flow fan and an air conditioner. Background technique

[0002] Generally speaking, an air conditioner is a device that cools or heats an indoor space. An air conditioner includes a compressor that compresses refrigerant, a condenser that condenses refrigerant discharged from the compressor, an expander that expands refrigerant passing through the condenser, and an evaporator that evaporates refrigerant expanded in the expander.

[0003] A condenser and an evaporator in an air conditioner are installed in an outdoor unit or an indoor unit as a heat exchanger for exchanging heat between a refrigerant and outside air. When the indoor unit is installed with the heat exchanger, the indoor unit may include a cross-flow fan on one side thereof.

[0004] A cross-flow fan includes a circular plate and a plurality of blades provided on the circular plate. Cross-flow fans are used to discharge radially introduced air. That is,...

Claims

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