Railway track system

Details Railway track system Railway track system

2005-07-27

2008-11-25

Morano, S. Joseph (Department: 3617)

Railways: surface track

Rails

C148S581000, C295S031100

Reexamination Certificate

active

07455242

ABSTRACT:
A railway system has a pre-determined profile of contact surfaces between the rail and the wheel rolling along the rail. The length of the contact surface is determined based on the value of the convex-to convex or flat-to-convex contacting running surface of the rail and rolling surface of the wheel. Improved profile allows to significantly decrease contact stress loads and extend useful life of the railway system.

REFERENCES:
patent: 2178947 (1939-11-01), Brinkman
patent: 5295624 (1994-03-01), Ziethen et al.
patent: 5419490 (1995-05-01), Testart et al.
patent: 6170755 (2001-01-01), Schifferl

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