B - Operations – Transporting – 60 – H
Patent
B - Operations, Transporting
60
H
B60H 1/24 (2006.01) B60H 1/00 (2006.01) B61D 27/00 (2006.01) G01L 13/00 (2006.01)
Patent
CA 2183372
Device for eliminating sudden pressure changes in an air-conditioned or ventilated vehicle. The vehicle comprises an inlet (3) for external air and an outlet (5) for internal air, the inlet being connected to a suction tube (2) drawing the air to the air-conditioning or ventilating system, the outlet being connected to a tube (4) venting the internal air to the exterior; means for sealing (6, 7) the suction tubes and venting tubes (4); a control member (14) receiving the detector signals; and means for detecting (16, 17) the external vehicle pressure Pe and internal vehicle pressure Pi, and supplying signals representative of the corresponding pressure wave.
L'invention a pour objet un dispositif de suppression des variations brutales de pression dans un véhicule climatisé ou ventilé, le véhicule comprenant: un orifice d'entrée (3) de l'air extérieur et un orifice de sortie (5) de l'air intérieur, l'orifice d'entrée étant connecté à un conduit d'aspiration (2) dirigeant l'air aspiré vers le système de climatisation ou de ventilation, l'orifice de sortie étant connecté à un conduit (4) rejetant l'air intérieur vers l'extérieur; des moyens d'obturation (6, 7) des conduits d'aspiration (2) et de rejet (4); un organe de contrôle (14) recevant les signaux du détecteur, et des moyens de détection (16, 17) de la pression externe Pe et interne Pi du véhicule délivrant des signaux représentatifs de cette onde de pression.
Gervais Yves
Mariaux Gilles
Gec Alsthom Transport S.a.
Robic
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