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A system for supplying air to a room

A room, air technology, applied in the field of systems that supply air to rooms

Inactive Publication Date: 2018-04-03
AIRMASTER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In such cases, it is a challenge to ensure that the inlet airflow jet remains comfortably draft-free for the occupants while spreading the entire length of the room (meaning that the "throw distance" remains at a level appropriate for the room in question)

Method used

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  • A system for supplying air to a room
  • A system for supplying air to a room
  • A system for supplying air to a room

Examples

Experimental program
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Embodiment Construction

[0020] figure 1 , 3 and 5 show two inlet openings 10, 11 for supplying air, which are fixed on the wall 20 close to the ceiling 21 and are separated from each other by a horizontal distance d, for example the maximum of the inlet openings 2-3 times larger than the horizontal size. Alternatively, the inlet openings 10, 11 may be arranged on the housing wall of a ventilation or air conditioning device suspended from the ceiling, or as a floor-standing unit that does not require the walls of the room for support.

[0021] Each opening 10 , 11 has such a geometry that an essentially three-dimensional jet of inlet air is produced which, in contrast to a predominantly two-dimensional planar jet, has, for example, a circular or elliptical cross-section. The inlet openings 10, 11 are shown as having rectangular openings, but the openings may have any other suitable shape.

[0022] Figure 5 , 6 In and 7 it is shown that the inlet openings 10 , 11 have a mechanical arrangement, he...

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PUM

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Abstract

A system for supplying air under the ceiling of a room comprising a pair of air inlet openings arranged side by side and configured to supply a pair of air streams into the room along the ceiling. Thepair of air inlet openings are controllable to assume a first configuration where the supplied pair of air streams have first air stream directions spanning a first span angle and form a first anglewith the ceiling, and the pair of air streams are substantially distINC.t air streams; and a second configuration where the supplied pair of air streams have second air stream directions spanning a second span angle smaller than the first span angle and form a second angle with the ceiling and are directed lower than in the first configuration, and the pair of air streams combine to form a combined air stream.

Description

technical field [0001] The present invention generally relates to a heating, ventilation and cooling system for use in a building. In particular, the invention relates to systems for supplying air to rooms. Background technique [0002] When supplying fresh air to a room for comfort purposes (enhancing air quality and / or changing room temperature), it is desirable that the air movement is not perceived by the occupants of the room as an uncomfortable draft. To this end, the shape and size of the openings through which air is supplied to the room is very critical. [0003] Usually, people use the so-called "Coanda effect (Coanda effect)" to ensure a draft-free state. Simply put, the Coanda effect refers to the tendency of a fluid jet to be attracted to nearby surfaces, or vice versa. In air conditioning, the Coanda effect is used to increase the throw distance of eg ceiling mounted diffusers. Because the Coanda effect causes the air exiting the diffuser to "attach" to the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F24F13/06F24F13/075
CPCF24F13/06F24F13/075F24F2221/28Y02B30/70
Inventor E·比约恩
Owner AIRMASTER
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