Railroad car energy absorption apparatus

Details Railroad car energy absorption apparatus Railroad car energy absorption apparatus

F - Mech Eng,Light,Heat,Weapons

16

F

F16F 1/38 (2006.01) B61F 5/08 (2006.01) B61F 5/14 (2006.01) F16F 1/379 (2006.01)

Patent

CA 2676421

A railroad car side bearing, comprises a housing and a spring assembly defining a longitudinal axis and adapted to be mounted on and extend upwardly from the housing. The spring assembly has opposed ends and includes an elastomeric spring having first and second ends, with the first end of the spring being mounted adjacent to the housing and the second end of the spring being axially spaced from the first end. A thermal insulator is arranged in operable combination with the second end of the elastomeric spring thereby defining one end of the spring assembly. The thermal insulator serves to restrict heat transfer to the elastomeric spring, and is configured with a series of passages extending normal to the longitudinal axis and opening to sides of the insulator for directing air across the thermal insulator thereby dissipating heat from the second end of the elastomeric spring.

Glissoir de wagon de chemin de fer comprenant un logement et un ressort définissant un axe longitudinal et adapté pour être monté sur le boîtier et s'allonger vers le haut à partir du boîtier. Le ressort comporte des bouts opposés et comprend un ressort à élastomère muni d'un premier et d'un second bouts, le premier bout du ressort étant monté adjacent au boîtier, et le second bout étant espacé sur le plan axial du premier bout. Un isolant thermique est placé en combinaison fonctionnelle avec le second bout du ressort à élastomère, formant de la sorte un bout du ressort. L'isolant thermique sert à limiter le transfert de chaleur au ressort à élastomère et est comporte une série de passages s'étendant normalement vers l'axe longitudinal et s'ouvrant sur les côtés de l'isolant pour diriger l'air à travers l'isolant thermique, dissipant ainsi la chaleur provenant du second bout du ressort à élastomère.

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