B - Operations – Transporting – 61 – D
Patent
B - Operations, Transporting
61
D
B61D 27/00 (2006.01) B60H 1/00 (2006.01) F24F 13/02 (2006.01)
Patent
CA 2614256
An air duct system for vehicles, in particular for passenger rail vehicles, has at least one roof venting duct (1), which has a component venting duct (2) for warm air and a component venting duct (3) for cold air. A separating means (4) which is arranged inside the roof venting duct (1) is designed so it can be deformed or is held in a movable fashion in such a way that the cross section of each of the two component venting ducts (2 or 3) can be enlarged by making the respective other component venting duct (3 or 3) smaller. These changes in cross section are brought about solely by the air pressure and volume flow conditions without external energy.
L'invention concerne un système de conduit de ventilation pour véhicules, en particulier pour véhicules ferroviaires destinés au trafic de voyageurs, comprenant au moins un conduit de ventilation sur le toit (1) présentant un conduit partiel (2) pour l'air chaud et un conduit partiel (3) pour l'air froid. Une séparation (4) disposée à l'intérieur du conduit de ventilation sur le toit (1) est configurée déformable ou maintenue déplaçable, de telle façon que la section de chacun des deux conduits de ventilation partiels (2 ou 3) puisse être agrandie par diminution de chacun des autres conduits partiels (3 ou 2). Ces variations de section sont provoquées sans apport d'énergie étrangère, uniquement par les conditions de pression d'air et de débit-volume.
Hoefler Werner
Wichmann Rainer
Aktiengesellschaft Siemens
Smart & Biggar
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