Rail vehicle having supplementary spring providing the restoring

Details Rail vehicle having supplementary spring providing the restoring Rail vehicle having supplementary spring providing the restoring

1992-07-23

1994-05-17

Oberleitner, Robert J.

Railway rolling stock

Trucks

Bogie

105453, B61F 550

Patent

active

053118219

ABSTRACT:
In a railway vehicle with a secondary spring arrangement acting between the chassis and the vehicle body which generates a continuously increasing restoring moment at a relative inclination between the two units until the maximum permissible angle of roll is reached, according to the invention a permissible limitation of the angle of roll is achieved without any adverse effect on the derailing limit and ride comfort on straights in a structurally simple and reliable manner, in that the spring arrangement is comparatively soft and there is a passively acting supplementary spring with a limited range of rotation (rotation play coupling) connected in parallel to the spring arrangement, which operates virtually without restoring moment in a partial range of slight roll angle movements, and at greater deviations of the roll angle within the permissible range, generates a steeply increasing restoring moment which is many times greater than that of the spring arrangement at the maximum permissible angle of body roll.

REFERENCES:
patent: 3731638 (1973-05-01), Tack
patent: 3795201 (1974-03-01), Tack
patent: 4355582 (1982-10-01), Germer
patent: 4357879 (1982-11-01), Mohacsi et al.
patent: 4516507 (1985-03-01), Dean, II
patent: 4665835 (1987-05-01), Mohacsi et al.
patent: 5172819 (1992-12-01), Daugherety, Jr.

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