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Sound-proof ventilation unit

A ventilation device and fan technology, applied in the direction of ventilation system, space heating and ventilation, space heating and ventilation details, etc., can solve the problems of not allowing suspension, increasing noise, and small height

Active Publication Date: 2007-11-07
爱迪士(上海)室内空气技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, it is necessary to invest money in sound insulation for auxiliary ceilings due to the high noise level of the existing ventilation installations
Also, there is less height available between the ceiling and the auxiliary ceiling, which does not allow to hang the shell
This inevitably results in noise from the enclosure vibrating against the walls of the ceiling, which further increases the amount of noise produced by the unit

Method used

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Embodiment Construction

[0023] As shown in Figure 1, ventilation device 1 according to the present invention comprises a parallelepiped housing 2 fixed to the ceiling 3 of the building, a motor-fan unit 4 installed inside the housing 2, At least one air inlet 5 and at least one air outlet 6 . The housing 2 also includes a top wall 8 and a bottom wall 9 . As shown in FIG. 1, the motor-fan unit 4 includes a motor 4a and a fan 4b.

[0024] Two of the vertical walls of the housing and the bottom wall are outwardly curved. Furthermore, as shown in Figure 2, a vertical wall of the housing is ribbed, and the ribs 10 strengthen the wall, especially the wall containing the largest number of holes, which is therefore usually the most flexible wall.

[0025] According to the invention, the ventilation means comprise means for soundproofing the motor-fan unit relative to the housing. These devices comprise a housing 11 at least partially surrounding the motor-fan part 4 and vibration-proof fixings interposed ...

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PUM

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Abstract

The invention relates to a ventilation unit (1) which is intended to be installed in the space between the ceiling and the false ceiling of a building. The inventive unit comprises an outer casing (2) which is fixed to the ceiling (3), a motor fan (4) which is disposed inside the casing, at least one air inlet (5) and at least one air outlet (6) which are disposed on the vertical walls (7) of the casing, said casing also comprising an upper wall (8) and a lower wall (9). The invention further comprises means for sound-proofing the motor fan (4) in relation to the casing (2) and means for sound-proofing the casing (2) in relation to the ceiling (3) to which it is fixed.

Description

technical field [0001] The present invention relates to a soundproof ventilation device for installation in the space between the ceiling and the auxiliary ceiling of a building. Background technique [0002] Buildings are usually equipped with at least one ventilation device so as to be able to circulate air through many rooms of the building. In particular, ventilation means are used to draw fresh air from outside the building in order to distribute the air to various parts of the building in an amount that meets the criteria for the exchange of air in the occupied premises. [0003] These ventilation devices include a housing containing the motor-fan assembly, a chamber air inlet, and one or more air outlets. Incoming air is drawn and directed by the motor-fan unit to the outlet, from where it is conveyed along ducts to various parts of the building. The air is conveyed along the duct and out of the enclosure, usually by a tube, such as a flexible tube. [0004] Tradit...

Claims

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Application Information

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IPC IPC(8): F24F13/32F24F7/007F24F13/24F04D29/66
CPCF24F7/007F24F13/32F04D29/668F24F13/24
Inventor G·查顿
Owner 爱迪士(上海)室内空气技术有限公司
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