Vehicle brake system with transmission and internal brake

A vehicle brake system having service brakes and a transmission with internal brakes in the transmission including an output brake and a gear reaction brake system providing friction braking of the transmission output. The transmission has planetary gearing in a housing and a first ratio fluid-opera...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	FUEHRER, REECE R
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 GEARING 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 vehicle brake system having service brakes and a transmission with internal brakes in the transmission including an output brake and a gear reaction brake system providing friction braking of the transmission output. The transmission has planetary gearing in a housing and a first ratio fluid-operated reaction brake for braking a reaction gear for first ratio drive, and second and third ratio fluid-operated friction devices for establishing second and third ratio drives. The service brake system engages the service brakes and provides an output brake pressure increasing with brake demand to engage the output brake to brake the output shaft in all ratio drives. The first ratio reaction brake and the output brake have a common movable backing plate, so engagement of the output brakes moves the common backing plate in second and third ratio drives to engage the first ratio reaction brake in addition to the engaged second or third ratio drive friction device to provide increasing total internal braking, including friction braking by the output brake and by the gear reaction brake system, increasing with brake demand. At constant brake demand, the total internal output brake power increases with speed in a constant proportion in one arrangement, and in steps at each upshift in another arrangement.