HYBRID VEHICLE DRIVING SYSTEM

In a driving apparatus 10 for a hybrid vehicle having an internal combustion engine 12 and first and second electric rotating machines 14, 16, it is configured to have a speed increasing mechanism 24 that increases speed of an output of the engine inputted through an input shaft 22 and transmits it...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	SUGINO SOICHI
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 CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ENGINEERING ELEMENTS AND UNITS GEARING GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HEATING INSTRUMENTATION OR DASHBOARDS FOR VEHICLES LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION TECHNICAL SUBJECTS COVERED BY FORMER USPC TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ARTCOLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	In a driving apparatus 10 for a hybrid vehicle having an internal combustion engine 12 and first and second electric rotating machines 14, 16, it is configured to have a speed increasing mechanism 24 that increases speed of an output of the engine inputted through an input shaft 22 and transmits it to the first electric rotating machine; a speed reducing mechanism 30 that reduces speed of an output of the second electric rotating machine and transmits it to an output shaft 26; a first clutch 34 adapted to connect and disconnect a first driving force transmission path 32 coupling the speed increasing mechanism and the output shaft; and a second clutch 40 adapted to connect and disconnect a second driving force transmission path 36 coupling the engine and the output shaft. The gear ratio can be changed between two ratios through the first and second clutches so that the engine output can be converted to more appropriate driving force. Consequently, when the vehicle runs with the engine output, options of a series/parallel running mode that enables the vehicle to run with smaller loss in electric power than a series-hybrid running (in which the engine output is converted to electric energy and the converted energy is again converted to the driving force) can be increased, thereby enabling to enhance fuel efficiency of the engine.