Railway truck movement damping

Details Railway truck movement damping Railway truck movement damping

1976-06-14

1978-03-07

Cherry, Johnny D.

Brakes

Vehicle

Railway

105197DH, 188288, 267 9A, 267 9C, 267127, B61F 506, B61F 512, B61F 524, B61F 1100

Patent

active

040774961

ABSTRACT:
A hydraulic snubber device and method of damping for railway trucks and more particularly a snubber adapted to be interposed between a bolster and a side frame member and being operative to provide a first damping rate when the railway car is operating on tangent track or at equilibrium speed on super elevated track and to provide a second relatively higher damping rate when the railway car is operating on super elevated track at low speed and in all instances of severe rocking.

REFERENCES:
patent: 1595330 (1926-08-01), Woodward
patent: 1833940 (1931-12-01), Gibbs
patent: 2363867 (1944-11-01), Isely
patent: 2520944 (1950-09-01), Lynn et al.
patent: 2895735 (1959-07-01), Bartlett
patent: 3439631 (1969-04-01), Cope
patent: 3595350 (1971-07-01), Wiebe
patent: 3626864 (1971-12-01), Wiebe
patent: 3722920 (1973-03-01), Reese
patent: 3726368 (1973-04-01), Taylor
patent: 3837292 (1974-09-01), Wiebe
patent: 3868912 (1975-04-01), Wagner et al.
patent: 3995720 (1976-12-01), Wiebe

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