AUTOMATIC TRANSMISSION FOR HYBRID VEHICLE

PROBLEM TO BE SOLVED: To solve a problem that the automatic transmission of a hybrid vehicle which includes a first motor device which drives a torque converter and a second motor device which drives a differential mechanism is complicated in structure. SOLUTION: A hybrid vehicle having an internal...

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Bibliographische Detailangaben
Hauptverfasser:	OKAMOTO TOKUO, KURIMOTO TAKASHI
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 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:	PROBLEM TO BE SOLVED: To solve a problem that the automatic transmission of a hybrid vehicle which includes a first motor device which drives a torque converter and a second motor device which drives a differential mechanism is complicated in structure. SOLUTION: A hybrid vehicle having an internal combustion engine and an electric motor transmits the torque of the internal combustion engine via a torque converter, a forward and backward clutch, an automatic transmission and a differential gear to a drive wheel, and is provided with: a first clutch for transmitting the torque of the electric motor to the internal combustion engine side of the forward and backward clutch; and a second clutch for transmitting the torque of the electric motor to the drive wheel side of the forward and backward clutch where the first and second clutches are arranged so as to face each other on the axis of the output shaft of the electric motor. The hybrid vehicle is also provided with: an oil pressure piston for operating the first and second clutches; and a clutch switching means for selectively fastening the first clutch when the oil pressure piston does not operate and fastening the second clutch by cutting the first clutch when the oil pressure piston operates by oil pressure. COPYRIGHT: (C)2011,JPO&INPIT