Ventilation system, room, confined space and building equipped with such a system, and associated method

Abstract

The invention relates to a ventilation system for a room or a confined space, comprising:a blowing device for blowing a gas into the room or the confined space, anda suction device for drawing out the gas contained in the room or the confined space,the suction device comprising suction mouths that are distributed one beneath another along a vertical direction, which comprise a top suction mouth, a bottom suction mouth and intermediate suction mouths situated between the top and the bottom mouths, the distance between the top and bottom mouths being greater than half the height beneath the ceiling of the room or the confined space.Ventilation of closed volumes, treatment of the air, delamination, air-conditioning and heating of rooms.

1 - 21 . (canceled) 
     
     
         22 . A ventilation system ( 1 ) for a room ( 2 ) or a confined space, said ventilation system ( 1 ) comprising at least:
 a blowing device ( 7 ) for blowing a gas into said room ( 2 ) or said confined space, and   a suction device ( 8 ) for drawing out the gas contained in said room ( 2 ) or said confined space,   
       characterized in that the blowing device ( 7 ) and the suction device ( 8 ) are placed remote from each other, the suction device ( 8 ) comprising at least one suction pipe extending substantially in a longitudinal direction placed substantially vertically, said suction pipe being provided with a plurality of suction mouths ( 9 ,  10 ,  11 ) distributed one below the other in a substantially vertical direction, the blowing device ( 7 ) comprising at least one blowing pipe extending substantially along a longitudinal direction, placed substantially vertically, said blowing pipe being provided with a plurality of blowing mouths ( 12 ,  13 ,  14 ) distributed vertically one above the other, said ventilation system ( 1 ) being also characterized in that said suction mouths ( 9 ,  10 ,  11 ) are distributed over said suction pipe in such a way as to provide a radial suction of the gas from the room ( 2 ) or the confined space and/or in that said blowing mouths ( 12 ,  13 ,  14 ) are distributed over said blowing pipe ( 7 ) in such a way as to provide the gas emitted therefrom with a radial distribution, said ventilation system ( 1 ) further comprising an intermediate pipe ( 19 ) connecting said blowing ( 7 ) and suction ( 8 ) devices to each other, in such a way that the gas in the room ( 2 ) or the confined space is drawn out by said suction device ( 8 ) then sent back at least in part to said blowing device ( 7 ) via said intermediate pipe ( 19 ). 
     
     
         23 . The ventilation system ( 1 ) according to  claim 22 , characterized in that the blowing device ( 7 ) and the suction device ( 8 ) are placed substantially parallel to each other and opposite to each other. 
     
     
         24 . The ventilation system ( 1 ) according any  claim 22 , characterized in that said radial suction is made over an angular sector of 360° or less, for example 90° or 180°, and in that said radial distribution of the gas emitted from said blowing pipe ( 7 ) is made over 360° or over a smaller angular sector, for example of the order of 90° or 180°. 
     
     
         25 . The ventilation system ( 1 ) according to  claim 22 , characterized in that it comprises, upstream from said blowing device ( 7 ) and/or downstream from the suction device ( 8 ), a gas treatment means ( 20 ) that comprises for example a gas cooling means. 
     
     
         26 . The ventilation system ( 1 ) according to  claim 25 , characterized in that said intermediate pipe ( 19 ) is connected to the gas treatment means ( 20 ) and/or the latter forms a part of said intermediate pipe ( 19 ). 
     
     
         27 . The ventilation system ( 1 ) according to  claim 22 , characterized in that said suction pipe is formed by a wall with holes distributed over the height of said wall and passing through the latter to form said suction mouths ( 9 ,  10 ,  11 ), said wall including a sheet metal plate perforated to form said holes, or a textile or fibrous panel, the interstices between the threads or fibres of which form said holes, or a panel made of a porous material, the pores of which are pass-through to form said holes. 
     
     
         28 . The ventilation system ( 1 ) according to  claim 22 , characterized in that said suction pipe is in the form of a cylindrical column with a perforated side wall with a distribution of holes covering the height and the periphery of the column, over an angular sector of 360° in order to draw out the gas radially over 360°, or less, for example 90° or 180°, said holes forming said suction mouths ( 9 ,  10 ,  11 ). 
     
     
         29 . The ventilation system ( 1 ) according to  claim 22 , characterized in that said blowing pipe is formed by a wall with holes distributed over the height of said wall and passing through the latter to form said blowing mouths ( 12 ,  13 ,  14 ), said wall including a sheet metal plate perforated to form said holes, or a textile or fibrous panel, the interstices between the threads or fibres of which form said holes, or a panel made of a porous material, the pores of which are pass-through to form said holes. 
     
     
         30 . The ventilation system ( 1 ) according to  claim 22 , characterized in that it further comprises at least a first gas circulation means ( 18 ), designed to circulate gas within the blowing device ( 7 ) up to the room ( 2 ) or the confined space, and a second gas circulation means designed to circulate gas from the room ( 2 ) or the confined space up to the suction device ( 8 ). 
     
     
         31 . The ventilation system ( 1 ) according to  claim 30 , characterized in that said second gas circulation means is formed by said first gas circulation means ( 18 ), which preferably comprises at least a fan. 
     
     
         32 . The ventilation system ( 1 ) according to  claim 30 , characterized in that it further comprises an automatic control unit and at least one sensor ( 23 ) to be placed in said room ( 2 ) or said confined space, for example one or several temperature sensors, for a gaseous compound or humidity, said at least one sensor ( 23 ) being designed to send information to said control unit, in such a way that the latter automatically adjusts a gas flow circulated by at least one of said first and second gas circulation means ( 18 ) within said blowing device ( 7 ) and/or within said suction device ( 8 ). 
     
     
         33 . The ventilation system ( 1 ) according to  claim 22 , characterized in that said room or said confined space having a ceiling ( 3 ), said suction mouths ( 9 ,  10 ,  11 ) comprise at least one upper suction mouth ( 9 ) and one lower suction mouth ( 10 ), as well as intermediate suction mouths ( 11 ) located between said upper ( 9 ) and lower ( 10 ) suction mouths, the distance between said upper ( 9 ) and lower ( 10 ) suction mouths being greater than at least half the height beneath the ceiling ( 3 ) of said room ( 2 ) or said confined space. 
     
     
         34 . The ventilation system ( 1 ) according to  claim 33 , characterized in that the distance between said upper ( 9 ) and lower ( 10 ) suction mouths is greater than 80%, preferably greater than 90%, of the height beneath the ceiling ( 3 ) of said room ( 2 ) or said confined space, and more preferentially is almost-equal or equal to the height beneath the ceiling ( 3 ) of said room ( 2 ) or said confined space. 
     
     
         35 . The ventilation system ( 1 ) according to  claim 33 , characterized in that said blowing mouths ( 12 ,  13 ,  14 ) comprise at least one upper blowing mouth ( 12 ) and one lower blowing mouth ( 13 ), as well as intermediate blowing mouths ( 14 ) located between said upper ( 12 ) and lower ( 13 ) blowing mouths, the distance between the upper ( 12 ) and lower ( 13 ) blowing mouths being greater than at least half the height beneath the ceiling ( 3 ) of said room ( 2 ) or said confined space. 
     
     
         36 . A room ( 2 ) with side walls ( 4 ), characterized in that it is fitted with a ventilation system ( 1 ) according to  claim 22 , said suction pipe and said blowing pipe being positioned in said room ( 2 ), said suction pipe being preferably positioned remote from said side walls ( 4 ), while said blowing pipe is preferably positioned remote from said side walls ( 4 ).