Rail road freight car with damped suspension

Details Rail road freight car with damped suspension Rail road freight car with damped suspension

B - Operations, Transporting

61

F

B61F 5/12 (2006.01) B61D 3/10 (2006.01) B61D 3/18 (2006.01) B61F 5/04 (2006.01)

Patent

CA 2396483

An auto rack rail road freight car is provided for carrying low density, relatively high value, relatively fragile lading. The car has trucks that have multiple dampers in a four corner arrangement in the sideframes. The spring groups in the side frames are relatively soft, giving a low vertical bounce natural frequency. In an articulated embodiment, differentially placed ballast is mounted in a biased arrangement to load the coupler end trucks to encourage a dynamic response similar to the dynamic response of the internal trucks.

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