Centrifugal fan
A technology of centrifugal fans and hubs, which is applied in non-variable pumps, radial flow pumps, pump components, etc., and can solve problems such as difficulty in utilizing the diffusion effect
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[0027] Hereinafter, the indoor unit of the air conditioner according to the embodiment of the present invention will be described in detail with reference to the drawings.
[0028] figure 1 The illustrated indoor unit 31 is a box-type indoor unit of a ceiling-embedded type. The indoor unit 31 includes: a substantially rectangular parallelepiped casing 33 fitted in an opening provided in the ceiling C; and a panel 47 attached to the lower portion of the casing 33 . The shape of the panel 47 in plan view is slightly larger than that of the casing 33 , and is exposed indoors while covering the opening of the ceiling C. As shown in FIG. The panel 47 has a rectangular suction grill 39 provided at the center thereof, and a plurality (for example, four) of elongated rectangular air outlets 37 provided along each side of the suction grill 39 .
[0029] The indoor unit 31 includes: a blower 51 including a centrifugal fan 23 ; a fan motor 11 that drives and rotates the centrifugal fa...
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