Prognostic and diagnostic system for air brakes

Details Prognostic and diagnostic system for air brakes Prognostic and diagnostic system for air brakes

2007-05-15

2007-05-15

Thompson, Jewel (Department: 2855)

Measuring and testing

Dynamometers

Responsive to torque

Reexamination Certificate

active

11211392

ABSTRACT:
Vehicles equipped with air brake systems and onboard vehicle management computers are programmed to develop both a prognosis and diagnosis of problems in the supporting, compressed air supply system from monitoring compressed air supply tank pressure. Variance of measured pressure from established norms correlated with the frequency and duration of charging cycles as well as brake pedal position provides indication of the likely source of present and future problems.

REFERENCES:
patent: 5572187 (1996-11-01), Williford
patent: 5979999 (1999-11-01), Poertzgen et al.
patent: 7089815 (2006-08-01), Fogelstrom
patent: 2005/0220634 (2005-10-01), Fogelstrom
U.S. Appl. No. 10/813,939, filed Mar. 31, 2004, Fogelstrom.
U.S. Appl. No. 10/862,836, filed Jun. 7, 2004, Fogelstrom.

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