Device for producing air curtains for door openings in...

B - Operations – Transporting – 60 – H

Patent

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Details

B60H 1/24 (2006.01) B60J 9/04 (2006.01) F24F 9/00 (2006.01)

Patent

CA 2287324

The invention relates to a device for producing hot air curtains for door openings, specially in local transit vehicles, whereby said hot air curtain forms a barrier against incoming cold air in the area behind the door opening (1) and covers an area between the bottom end of the door opening (1) and another area above it. The height limit (h S) of the hot air curtain above the bottom end of the door opening (1) ranges between a minimum of one third and a maximum of one half of the total height (h G) of the door opening (1).

L'invention concerne un dispositif servant à produire des rideaux d'air chauffé au niveau d'ouvertures de porte, en particulier de véhicules de transport sur petites distances, dispositif avec lequel le rideau d'air chaud, qui forme une barrière empêchant la pénétration d'air froid dans l'espace se trouvant derrière l'ouverture de porte (1), couvre une surface comprise entre l'extrémité côté plancher de l'ouverture de porte (1) et une zone se trouvant au-dessus de cette extrémité côté plancher. Le rideau d'air chauffé est, au-dessus de l'extrémité côté plancher de l'ouverture de porte (1), limité à une hauteur (hS) correspondant au minimum à un tiers et au maximum à la moitié de la hauteur totale (hG) de l'ouverture de porte.

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