Temperature-controlled railroad freight car

Details Temperature-controlled railroad freight car Temperature-controlled railroad freight car

B - Operations, Transporting

61

D

B61D 17/00 (2006.01) B61D 17/10 (2006.01)

Patent

CA 2565959

A temperature controlled railroad freight car (20) including an air flow conduit (98) and a related plenum (52) for distributing conditioned air from a refrigeration and heating unit (64) on an end wall (44) of the freight car (20), and a floor structure (40) that contributes to temperature control in a cargo space within the car (20). A diverter directs a flow of air upward into an inlet end of the plenum (52) and allows the flow to expand gradually within the plenum (52), smoothing the flow of air as it enters the plenum (52) so that it continues effectively at sufficient rates over the length of the car (20). The car (20) may include a subtloor (38) of composite construction, supporting a floor (40) that includes several tubular metal segmants through which air can flow longitudinally of the car (20).

Un wagon de marchandises à température contrôlée (20) incluant un conduit de flux d'air (98) et un plénum associé (52) pour répartir l'air conditionné à partir d'une unité de réfrigération et de chauffage (64) sur une paroi d'about (44) du wagon de marchandises (20), et une structure au sol (40) qui contribue au contrôle de la température dans l'espace utilitaire dans le wagon (20). Un répartiteur dirige un flux d'air vers le haut à l'intérieur d'une entrée du plénum (52) et permet au flux de se répandre graduellement dans le plénum (52), lissant le flux d'air quand il entre dans le plénum (52) pour qu'il continue efficacement à un taux suffisant sur toute la longueur du wagon (20). Le wagon (20) peut comprendre un faux plancher (38) de construction composite, supportant un plancher (40) qui inclut plusieurs segments métalliques tubulaires à travers lesquels l'air peut circuler longitudinalement dans le wagon (20).

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