OIL SUPPLY DEVICE

There is desired an oil supply device that can supply an appropriate amount of oil to a vehicle drive device, while suppressing an increase in size of a hydraulic pump, in the case where torque of an internal combustion engine is transferred to wheels with an engagement device controlled to a slippi...

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Bibliographische Detailangaben
Hauptverfasser:	ISHIKAWA, Tomomi, SUZUKI, Keiji, NODA, Kazuyuki, NISHIO, Satoshi, ENOMOTO, Kazuhito
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 CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE ORDIFFERENT FUNCTION CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL INSTRUMENTATION OR DASHBOARDS FOR VEHICLES MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TOTHE CONTROL OF A PARTICULAR SUB-UNIT TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	There is desired an oil supply device that can supply an appropriate amount of oil to a vehicle drive device, while suppressing an increase in size of a hydraulic pump, in the case where torque of an internal combustion engine is transferred to wheels with an engagement device controlled to a slipping engagement state. An oil supply device 10 includes a first hydraulic pump 21, a second hydraulic pump 22 driven by a dedicated drive force source 23, a lubrication oil passage 61 for lubricating engagement devices C0 and C1, a first engagement oil passage 51 for controlling the state of engagement of the decoupling engagement device C0, and a second engagement oil passage 52 for controlling the state of engagement of the shifting engagement device C1. In the case where the engagement devices C0 and C1 are controlled to a slipping engagement state, the supply state control section 10 establishes a state in which oil discharged from the first hydraulic pump 21 is supplied to the first engagement oil passage 51 and the second engagement oil passage 52, and in which at least oil discharged from the second hydraulic pump 22 is supplied to the lubrication oil passage 61.