Pneumatically controlled hydromechanical railway car stabilizing

Details Pneumatically controlled hydromechanical railway car stabilizing Pneumatically controlled hydromechanical railway car stabilizing

1975-07-25

1978-01-24

Spar, Robert J.

Railway rolling stock

Trucks

Levelers

105199A, 105210, B61F 300, B61F 512, B61F 524, B61F 544

Patent

active

040697673

ABSTRACT:
A control system for a stabilizing apparatus for a rail vehicle body, which is tiltable on a bogey by means of jacks, comprises a lateral accelerometer and an angular accelerometer mounted on the vehicle body, two servo-mechanisms respectively responsive to operation of the lateral and angular accelerometers, and a control valve for the tilting jacks, the control valve being coupled to output members of the servo-mechanisms so that tilting movement of the vehicle body in response to operation of the lateral accelerometer is sensed by the angular accelerometer so as to urge the control valve in a direction to oppose the aforesaid tilting movement.

REFERENCES:
patent: 2474471 (1949-06-01), Dolan
patent: 2520944 (1950-09-01), Lynn et al.
patent: 2823879 (1958-02-01), Smith et al.
patent: 3717104 (1973-02-01), Law et al.
patent: 3789769 (1974-02-01), Strohmer et al.

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