Power transmission device for vehicle

The invention provides a power transmission device for a vehicle, which can prevent resonance of a power transmission system, suppress vibration and noise to be low, and prevent the endurance life of each component from being reduced. This power transmission device for a vehicle is provided with a l...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	OKAJI TOMOYA
Format:	Patent
Sprache:	chi ; 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 BRAKES CLUTCHES COUPLINGS FOR TRANSMITTING ROTATION ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING PERFORMING OPERATIONS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The invention provides a power transmission device for a vehicle, which can prevent resonance of a power transmission system, suppress vibration and noise to be low, and prevent the endurance life of each component from being reduced. This power transmission device for a vehicle is provided with a low-speed clutch and a high-speed clutch that selectively engage/disengage a power transmission path for transmitting power from an engine to drive wheels to thereby switch the power transmission path, and is provided with: a misfire sensor and a rotation sensor; a resonance determination unit that determines whether or not there is a possibility that the power transmission system enters a resonance region on the basis of the engine misfire state detected by the misfire sensor and the engine rotation speed detected by the rotation sensor; and an ECU (control unit) that, when it is determined by the resonance determination unit that there is a possibility that the power transmission system enters the resonance region