CLUTCH CONTROL DEVICE FOR FOUR-WHEEL DRIVE VEHICLE

The present invention provides a clutch control device for a four-wheel drive vehicle, said device making it possible to reliably engage a gear clutch. To this end, the present invention is configured as a clutch control device for a four-wheel drive vehicle, said device being provided with a 4WD co...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	OGAWA, Katsuyoshi, MORITA, Makoto, MORI, Atsuhiro, MITSUISHI, Shunichi, TAKAISHI, Tetsu
Format:	Patent
Sprache:	eng ; fre ; ger
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 MECHANICAL ENGINEERING PERFORMING OPERATIONS THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The present invention provides a clutch control device for a four-wheel drive vehicle, said device making it possible to reliably engage a gear clutch. To this end, the present invention is configured as a clutch control device for a four-wheel drive vehicle, said device being provided with a 4WD control unit (34) that performs engagement/release control of a dog clutch (8), which separates a transmission system for driving force to the left and right rear wheels (19, 20) from a transmission system for driving force to the left and right front wheels (6, 7), and engagement/release control of an electronically controlled coupling (16), which distributes a portion of the driving force from an engine (1) to the left and right rear wheels (19, 20); that is switchable between a two-wheel drive mode and a four-wheel drive mode; and that performs control, when engaging the dog clutch (8), wherein the dog clutch (8) is engaged after the electronically controlled coupling (16) is engaged and the dog clutch (8) is synchronized. Said device is characterized in that, when engaging the dog clutch (8), the 4WD control unit (34) reduces the transmission torque of the electronically controlled coupling (16) when a dog clutch (8) engagement standby state is detected.