Railroad track inspection car

Details Railroad track inspection car Railroad track inspection car

1982-09-01

1984-09-04

Kreitman, Stephen A.

Measuring and testing

Vibration

By mechanical waves

105215C, G01N 2904

Patent

active

044689667

ABSTRACT:
A track inspection car supported on railroad track by flanged wheels mounted on a truck, and having means for engaging a tractor-truck at one end and wheels with highway tires at the other. The wheels are relatively vertically displaceable by selectively inflating pneumatic springs for converting the car from on-track operation to an off-track trailer-truck configuration. A pair of ultrasonic sensor probes are mounted on the wheel truck coupled to a computer in the car. The car also includes an on-track driving motor, a driver station, a computer operators station, an observer's station, and a water supply for creating a fluid acoustical coupling between the sensors and the rails.

REFERENCES:
patent: 2992553 (1961-07-01), Joy
patent: 3028753 (1962-04-01), Joy
patent: 4044594 (1977-08-01), Owens
patent: 4103622 (1978-08-01), Theurer
patent: 4381713 (1983-05-01), Cripe

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