System and method for calculating electrically controlled...

Details System and method for calculating electrically controlled... System and method for calculating electrically controlled...

2009-06-02

2011-11-01

Swarthout, Brent (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C303S128000, C188S00111E, C188S00111E, C188S15300R, C033S609000, C116S208000

Reexamination Certificate

active

08049608

ABSTRACT:
A system for determining a distance of travel of a brake cylinder piston includes a brake cylinder having the brake cylinder piston, a pressure transducer operationally coupled to the brake cylinder and configured to determine a pressure measurement within the brake cylinder, and a control module of an electrically controlled pneumatic (ECP) brake control system. The control module is operationally coupled to the pressure transducer and configured to convert the pressure measurement within the brake cylinder determined by the pressure transducer into at least one of a displacement time of the brake cylinder piston, an equalization pressure within the brake cylinder, a pressure build-up time within the brake cylinder, a pressure leakage from the brake cylinder, or any combination thereof. The control module determines the distance of travel of the brake cylinder piston based on at least one of the displacement time of the brake cylinder piston, the equalization pressure within the brake cylinder, the pressure build-up time within the brake cylinder, the pressure leakage from the brake cylinder, or any combination thereof.

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patent: 2005/0121971 (2005-06-01), Ring

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