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Blower

A technology of blower and direction of air supply, applied in mechanical equipment, machine/engine, liquid fuel engine, etc., can solve the problems of low degree of freedom, low rigidity and deformation of shape, and achieve the effect of restraining deformation

Inactive Publication Date: 2018-03-27
MITSUBISHI HEAVY IND THERMAL SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Since the rigidity of the metal bell mouth is high, it is less likely to be deformed by external forces such as snow loads and wind loads, but there are restrictions on processing, so the degree of freedom of shape is low
[0005] On the other hand, resin bells can be formed by injection molding, so the degree of freedom of shape increases, but they are less rigid than those made of metal, so for example, if there is snow and an external force is applied, it may deflect in the direction of gravity. deformed
If the bell mouth is deformed, the gap between the bell mouth and the fan will change, resulting in a decrease in performance as an outdoor unit

Method used

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Embodiment Construction

[0032] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0033] Such as figure 1 As shown, the outdoor unit 1 of the air conditioner according to the embodiment of the present invention includes a housing 10 in which the suction port 12 is formed on a side surface 10A, a heat exchanger 15 provided inside the housing 10 , and air that has passed through the heat exchanger 15 is discharged. The air blower 16. In addition, although not shown in figure, in this embodiment, the heat exchanger 15 is used as the collective name of heat exchanger 15A, 15B. The same applies to the air blower 16, the fan 17, the electric motor 18, and the like.

[0034] The air blower 16 includes a fan 17 , an electric motor 18 for driving the fan 17 , a bell mouth 20 for accommodating the fan 17 , and a rectifier 30 provided in a range from the electric motor 18 to the fan 17 .

[0035] If the electric motor 18 is driven, then as figure 1 As shown...

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Abstract

A blower (16) disclosed by the invention is provided with: a fan (17) having a first fan (17A) and a second fan (17B) provided in parallel with the first fan (17A); an electric motor (18) having a first motor (18A) for driving the first fan (17A) and a second motor (18B) for driving the second fan (17B); a bell mouth (20) formed integrally from a plastic material and having a first mouth (21A) forsurrounding the periphery of the first fan (17A), a second mouth (21B) for surrounding the periphery of the second fan (17B), and a central dividing band (24) for creating a division between the first mouth (21A) and the second mouth (21B); and a rectifier (30) having a first region (35A) corresponding from the first motor (18A) to the first fan (17A) and a second region (35B) corresponding fromthe second motor (18B) to the second fan (17B), and the first region (35A) and the second region (35B) are in contact via a partition member (33). In the bell mouth (20), the central dividing band (24) is supported by the partition member (33) of the rectifier (30).

Description

technical field [0001] The present invention relates to an air blower, in particular to an air blower equipped with a resin bell mouth. Background technique [0002] The air conditioner includes an indoor unit that exchanges heat with indoor air, and an outdoor unit that includes a blower that radiates heat from the outside air or absorbs heat from the outside air. The air blower has a fan and a bell mouth which surrounds the periphery of the fan and is used for blowing air. [0003] The blower bell is made of metal or resin. [0004] Since metal bells are highly rigid, they are less likely to be deformed by external forces such as snow loads or wind loads, but there are restrictions on processing, so the degree of freedom in shape is low. [0005] On the other hand, resin bells can be formed by injection molding, so the degree of freedom of shape increases, but they are less rigid than those made of metal, so for example, if there is snow and an external force is applied,...

Claims

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Application Information

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IPC IPC(8): F04D29/54F04D25/16F24F1/38F24F1/50
CPCF04D25/16F04D29/54F24F1/38F24F1/50F04D25/166F04D29/545F04D29/703F24F1/0033
Inventor 姫野太充近藤充
Owner MITSUBISHI HEAVY IND THERMAL SYST
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