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Outdoor unit

An outdoor unit and blower technology, applied in the field of outdoor units, can solve problems such as the increase in the number of parts, and achieve the effect of improving air supply characteristics

Inactive Publication Date: 2019-08-06
MITSUBISHI HEAVY IND THERMAL SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that the number of parts increases

Method used

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Effect test

Embodiment Construction

[0047] Hereinafter, one embodiment of the outdoor unit of the present invention will be described with reference to the drawings.

[0048] exist figure 1 Embodiments of the present invention are shown in .

[0049] As shown in the figure, the outdoor unit 1 according to this embodiment includes a main body 11 , a top plate 5 made of a metal plate covering the upper surface of the main body 11 , a blower 2 supported on the top plate 5 , and a resin bell mouth 4 . The outdoor unit 1 is connected to an indoor unit (not shown) via a refrigerant pipe (not shown).

[0050] A heat exchanger, a fan motor, a control box, and the like are arranged in the main body portion 11 .

[0051] Such as figure 2 As shown, two bell mouths 4 are provided on the top plate 5, and a fan 21 is accommodated in the bell mouths 4. It should be noted that, in this embodiment, two bell mouths 4 are provided, but the number of bell mouths 4 may be one or three or more.

[0052] Such as image 3 As sho...

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PUM

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Abstract

Provided is an outdoor unit which is capable of improving air blowing characteristics without increasing the number of components, by increasing the dimension of a bell mouth in the axial direction. The outdoor unit is provided with: a main body; a top plate (5) which covers the upper surface of the main body, and which is made of sheet metal; an air blower which is provided with a fan motor (22),and which is supported on the top plate (5); and a resin bell mouth (4) which covers the circumference of the air blower in a concentric manner. A motor base part of the fan motor (22) is directly fixed to the top plate (5). The centre of a fan (21) is fixed to a rotational shaft (22a) of the fan motor (22). The whole of the fan (21) is positioned on the upper surface side of the top plate (5). The bell mouth (4) covers the circumference of the whole fan (21) in the axial direction.

Description

technical field [0001] The invention relates to an outdoor unit of an air conditioner. Background technique [0002] The outdoor unit of the air conditioner has conventionally used a bell mouth in order to improve the air supply characteristic. The bell mouth includes a metal plate bell mouth and a resin bell mouth. The bell mouth made of a metal plate is formed by drawing a metal plate, so it is difficult to produce a bell mouth with a large dimension in the rotation axis direction of the fan without causing cracks. On the other hand, a resin bellmouth requires a frame for reinforcement, which increases the number of parts. [0003] In order to improve the performance of the outdoor unit and reduce the cost, a method of changing the configuration of the bell mouth is known (see Patent Documents 1 and 2). [0004] Patent Document 1 discloses a configuration in which a bell mouth made of synthetic resin is provided with a fan ring disposed on the outer peripheral side of t...

Claims

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Application Information

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IPC IPC(8): F24F1/38F04D29/54F24F1/50
CPCF24F1/38F24F1/50F04D25/166F04D29/601F04D29/023F05D2300/44F05D2230/54F04D29/545
Inventor 三苫惠介五十住晋一仓地正也江口刚
Owner MITSUBISHI HEAVY IND THERMAL SYST