HYDRAULIC BRAKE WEAR DETECTION APPARATUS AND METHOD

A hydraulic brake wear detection apparatus and a method for detecting a degree of pad wear of a brake pad of a hydraulic brake includes a caliper piston located at least partially within a caliper cavity and attached to the brake pad. The caliper piston includes a piston cavity extending from a cali...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Ganzel, Blaise J, Shaya, Jeffrey E
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 ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING 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:	A hydraulic brake wear detection apparatus and a method for detecting a degree of pad wear of a brake pad of a hydraulic brake includes a caliper piston located at least partially within a caliper cavity and attached to the brake pad. The caliper piston includes a piston cavity extending from a caliper piston rim into a caliper piston body at a location longitudinally opposite, and spaced from, the brake pad. An internal piston is located at least partially within the piston cavity and is entirely enclosed in an internal space defined cooperatively by the piston cavity and the caliper cavity for reciprocal longitudinal motion with respect to the internal space. The internal piston is reciprocated by a predetermined volume of pressurized hydraulic fluid responsive to wear of the brake pad.