Fume cupboard

Details Fume cupboard Fume cupboard

B - Operations, Transporting

08

B

B08B 15/02 (2006.01) B08B 5/02 (2006.01) B08B 17/02 (2006.01) F24F 9/00 (2006.01)

Patent

CA 2454280

A fume cupboard with a housing, in which a working space 3 is located which is open on one side. In order to reduce the risk of a blow-out of harmful substances and in particular to avoid dead-space areas at the internal surfaces of the side walls and the bottom in working space 3, devices are provided which blow in supply-air jets 21, 22 at an acute angle to the internal surfaces of working space 3 in such a way that these supply-air jets 21, 22 lie next to the internal surfaces.

L'invention concerne une hotte fermée comprenant une enveloppe dans laquelle se trouve un espace de travail (3) ouvert d'un côté. L'invention vise à réduire le risque d'échappement de substances nocives et notamment à éviter des zones mortes au niveau des surfaces intérieures des parois latérales et de la base de l'espace de travail (3). A cet effet, la hotte fermée selon l'invention comprend des dispositifs qui insufflent des jets d'air supplémentaire (21, 22) selon un angle aigu par rapport aux surfaces intérieures de l'espace de travail (3) de sorte que ces jets d'air supplémentaire (21, 22) se déposent sur les surfaces intérieures.

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