Friction wedge design optimized for high warp friction...

Details Friction wedge design optimized for high warp friction... Friction wedge design optimized for high warp friction...

B - Operations, Transporting

61

F

B61F 5/12 (2006.01)

Patent

CA 2306001

A damping system for a rail car truck utilizes friction wedges supported on side springs to damp relative movement between the rail car truck bolster and the side frames supporting it. Each friction wedge has a generally triangular shape with an angle .theta. defined between a vertical friction surface which bears against a side frame and a sloping friction surface which moves relative to the bolster. The angle .lambda. and the force P of each side spring are defined by (see formulas I and II)

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