Method and apparatus for indicating track conditions

Details Method and apparatus for indicating track conditions Method and apparatus for indicating track conditions

1974-11-29

1976-11-23

Woodiel, Donald O.

Measuring and testing

Tire, tread or roadway

Tire inflation testing installation

G01M 1702

Patent

active

039929353

ABSTRACT:
Changes in acceleration caused by local track conditions are directly or indirectly measured as a car moves over a track section. The resultant signals are totalled to produce a signal or parameter characteristic of the track section condition, and this is compared with a comparison signal characteristic of a track condition norm.

REFERENCES:
patent: 3383913 (1968-05-01), Swift
patent: 543425 (1956-05-01), IT Italy

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