Hydraulic Vehicle Brake with Integrated Electromechanically Operable Parking Brake

A hydraulic vehicle brake with a parking brake device, in particular for motor vehicles, includes a brake housing in which a hydraulic service pressure chamber is delimited by a brake piston, wherein hydraulic pressure fluid can be applied to the hydraulic service pressure chamber for carrying out s...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OLMS HANS, HALASY-WIMMER GEORG, BALZ JURGEN, WINKLER THOMAS, VOLKEL JURGEN, KNOP VOLKER
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 vehicle brake with a parking brake device, in particular for motor vehicles, includes a brake housing in which a hydraulic service pressure chamber is delimited by a brake piston, wherein hydraulic pressure fluid can be applied to the hydraulic service pressure chamber for carrying out service brake operations so that the brake piston is actuatable along a longitudinal piston axis in order to achieve a braking effect. The parking brake device acts on the brake piston with an actuating device, which actuates a rolling-element ramp-type gear with an electromechanical actuator. In order to achieve a higher rate of overall efficiency as well as a reduced electric energy consumption, a two-step gear is interposed between the electromechanical actuator ( 7 ) and the actuating device ( 4 ), wherein the first gear step ( 11, 21, 31 ) on the inlet side is connected to an output shaft ( 8 ) of the electromechanical actuator ( 7 ) and the second gear step ( 12, 22, 32 ) on the outlet side is connected to the rolling-element ramp-type gear ( 1, 2, 3 ).