Railroad brake shoe

Details Railroad brake shoe Railroad brake shoe

1991-07-02

1993-08-10

Halvosa, George E. A.

Brakes

Elements

Shoes

188 29, 188 50B, 188252, F16D 6900

Patent

active

052340821

ABSTRACT:
A tread brake shoe for a railroad wheel has a cross-section with a bidirectional laminate structure, which includes a core element of a high-friction material for contacting the wheel tread and, at least one low-friction element positioned on the high-friction material sidewall for contact with the wheel flange and to inhibit wheel flange contact with the high friction material.

REFERENCES:
patent: 1219463 (1917-03-01), Kinzer
patent: 1349129 (1920-08-01), Gibson
patent: 1823879 (1931-09-01), Connolly
patent: 2355419 (1944-08-01), Bruce
patent: 3751330 (1973-08-01), Gilbert
patent: 4244994 (1981-01-01), Trainor et al.
"Modeling the Drag Braking of Freight Car Wheels Having Simulated Heat Treatment", A. J. Opinsky and M. W. Joerms.
"An Interpretive Review of Wheel Failure Performance W.R.T. Design and Heat-Treatment", D. H. Stone.
"North American Wheel Failure Experience" D. H. Stone et al.
"Safe Thermal Loads for 33-Inch Railroad Wheel" H. R. Wetenkamp et al.

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