Aircraft brake tester

Details Aircraft brake tester Aircraft brake tester

1990-01-18

1991-04-02

Raevis, Robert

Measuring and testing

Brake testing

G01L 528

Patent

active

050038184

ABSTRACT:
An aircraft brake tester includes pressure transducers to detect pressure levels in each of a plurality of hydraulic lines connected to each of a plurality of aircraft disc brake cylinders, respectively. Each aircraft disc brake includes a set of cylinders, each connected to one of a set of hydraulic lines. Each respective hydraulic line exerts a hydraulic pressure to a respective cylinder engaged with the hydraulic line potentially resulting in different cylinders on the same aircraft brake receiving different hydraulic pressures. The pressure transducers convert the detected pressure levels into analog signals and output the analog signals to a processor. The processor digitizes, references and calibrates the analog signals into actual pressure values and simultaneously displays the actual pressure values. The processor then obtains difference data corresponding to the difference in pressure exerted on each cylinder of a tested brake assembly as an indication of the exertion of differing pressures on respective cylinders of the brake assembly.

REFERENCES:
patent: 1584076 (1926-05-01), Bristol
patent: 1822463 (1931-09-01), Taber
patent: 2117027 (1938-05-01), Langbein
patent: 2182554 (1939-12-01), Galle
patent: 4697464 (1987-10-01), Martin
patent: 4719796 (1988-01-01), Zenker

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