Indoor unit of air conditioner
An air-conditioning indoor unit and cross-flow fan technology, applied in the field of air-conditioning, can solve the problems of good local ceiling heating comfort, hidden air-conditioning indoor units cannot be satisfied at the same time, etc., to save ceiling space, reduce unit noise, and improve air volume noise. the effect of
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[0029] The present invention will be described in detail below with reference to the accompanying drawings and examples.
[0030] Such as Figures 3 to 6 As shown, the air conditioner indoor unit according to the present invention includes a housing 10, a heat exchanger 20 and a cross-flow fan 40 disposed inside the housing, and the cross-flow fan 40 includes a cross-flow fan 41 and a volute 42 arranged in cooperation with each other. The volute 42 includes the front volute tongue 42a forming the first side of the diffuser 43 of the cross-flow fan 40 and the rear volute 42b forming the second side of the diffuser 43 opposite to the first side, the diffuser 43 It is arranged downward and forms an air outlet 12 on the lower side of the housing 10, and has an air return port 11 on the rear side and / or upper side of the housing; the first side is a curved surface curved toward the heat exchanger 20, and the first side The busbar includes at least two segments, each of which is a ...
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