Measuring brake wear

MEASURING BRAKE WEAR 5 Abstract of the Disclosure A final drive assembly is driven by an electric motor and includes a park and service brake arrangement including a shared disc brake pack that is compressed by a preload exerted by a compression spring arrangement defined by a stack of Belleville sp...

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Bibliographische Detailangaben
Hauptverfasser:	ANDERSON, ERIC R, PFOHL, KEVIN L, BESLER, MARK J
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL BLASTING BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OFVEHICLES THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	MEASURING BRAKE WEAR 5 Abstract of the Disclosure A final drive assembly is driven by an electric motor and includes a park and service brake arrangement including a shared disc brake pack that is compressed by a preload exerted by a compression spring arrangement defined by a stack of Belleville springs for establishing an engaged park brake condition in the absence of 10 pressurized brake actuating fluid being routed to a park brake piston. An electrical control is provided for computing disc brake pack wear based on a stored load curve of the stack of Belleville springs containing information correlating preload amounts to various compressed heights of the stack of Belleville springs, and on the magnitude of a drive signal sent to the electric motor for causing sufficient drive 15 torque to be developed for causing the rotor discs of the engaged disc brake pack to slip relative to the stator discs.. C- C O - 00j-