Anticentrifugal active lateral suspension for railway vehicles

Details Anticentrifugal active lateral suspension for railway vehicles Anticentrifugal active lateral suspension for railway vehicles

1993-10-13

1995-10-03

Oberleitner, Robert J.

Railway rolling stock

Trucks

Bogie

105171, B61F 522

Patent

active

054543290

ABSTRACT:
Anticentrifugal active lateral suspension apparatus for balancing the non-compensated centrifugal acceleration along a curve of a railway vehicle, including fluid pressure jacks, interposed transversely between the body and the opposite sides of each bogie, vales for connecting alternatively the jacks with a source of fluid under pressure, and transducers adapted to detect the non-compensated centrifugal acceleration and to generate corresponding piloting signals for the valves so as to apply, by the jacks, a force contrasting the centrifugal force acting on the body. The transducers comprise two accelerometers placed in proximity of the opposite ends of the vehicle and whose signals are supplied to an electronic processing unit arranged selectively to pilot the vales in different modes. The valves are electronic servo valves or proportional valves.

REFERENCES:
patent: 3977694 (1976-08-01), Nordstrom
patent: 4069767 (1978-01-01), Glaze
patent: 4440093 (1984-04-01), Kakehi et al.
patent: 4715289 (1987-12-01), Okamoto et al.
patent: 5170716 (1992-12-01), Durand et al.

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