VEHICLE DRIVE DEVICE

A vehicle drive device includes: a brake that is provided with a plurality of friction plates, a first piston and a second piston, and a first piston hydraulic chamber and a second piston hydraulic chamber, and selectively fixes the third rotating element to a fixing member; a hydraulic control circ...

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Bibliographische Detailangaben
Hauptverfasser:	USUI, Kunihiko, IJICHI, Akira, TAKAIRA, Koji, AKIYAMA, Yosuke, OKUDA, Koichi, HOMAN, Akinori, MAKINO, Yuki, TABATA, Atsushi
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS INVEHICLES ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OFTRANSMISSIONS IN VEHICLES ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GASEXHAUST OR FUEL SUPPLY OF PROPULSION UNITS, IN VEHICLES AUXILIARY DRIVES FOR VEHICLES BLASTING ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A vehicle drive device includes: a brake that is provided with a plurality of friction plates, a first piston and a second piston, and a first piston hydraulic chamber and a second piston hydraulic chamber, and selectively fixes the third rotating element to a fixing member; a hydraulic control circuit that controls supply of the hydraulic pressure to the first piston hydraulic chamber and the second piston hydraulic chamber; and a control device. The control device controls the hydraulic control circuit such that the hydraulic pressure is supplied to the first piston hydraulic chamber and the second piston hydraulic chamber when the first traveling mode is set, and controls the hydraulic control circuit such that the hydraulic pressure is supplied only to one of the first piston hydraulic chamber and the second piston hydraulic chamber when the second traveling mode is set.