Stabilizing high speed railway truck safety device

Details Stabilizing high speed railway truck safety device Stabilizing high speed railway truck safety device

1980-05-13

1982-12-14

Reeves, Robert B.

Railway rolling stock

Trucks

Bogie

105164, 105171, 105190R, 105199A, 105199R, 105210, B61F 308, B61F 520, B61F 524

Patent

active

043632777

ABSTRACT:
A safety device for a banking vehicle includes a pair of cylinders which extend to hold the superstructure in an upright position. The cylinders are hydraulically connected to an accumulator which provides a pressurized fluid reservoir. A valve controls flow from the accumulator to the cylinders. Upon detection of a failure in one of the vehicle systems the valve moves to a position in which fluid flows from the accumulator to extend the cylinders. A pilot operated check valve is positioned between the accumulator and the cylinders to hold the cylinders in the extended position until the failure is rectified.

REFERENCES:
patent: 3628465 (1971-12-01), Dobson et al.
patent: 3636886 (1972-01-01), Lich
patent: 3704670 (1972-12-01), Dobson et al.
patent: 3717104 (1973-02-01), Lawler et al.
patent: 3906869 (1975-09-01), Dobson et al.
patent: 3970009 (1976-07-01), Schultz

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