MULTI-MODE ELECTRIC DRIVE SYSTEM AND VEHICLE

A multi-mode electric drive system includes a Ravigneaux planetary mechanism, a first motor, a second motor, and a system output shaft, where the first motor is connected to a second sun gear of the Ravigneaux planetary mechanism, the second motor is connected to a first sun gear of the Ravigneaux p...

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Bibliographische Detailangaben
Hauptverfasser:	WANG, Jianwen, WANG, Yinshu, WANG, Yan, WU, Shengtao, GUO, Tao, LIU, Xiaowei, WANG, Fusheng, LI, Jianfeng, WANG, Xing
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 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 TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A multi-mode electric drive system includes a Ravigneaux planetary mechanism, a first motor, a second motor, and a system output shaft, where the first motor is connected to a second sun gear of the Ravigneaux planetary mechanism, the second motor is connected to a first sun gear of the Ravigneaux planetary mechanism, a ring gear of the Ravigneaux planetary mechanism is connected to a corresponding housing through a first lock-up clutch, the first sun gear of the Ravigneaux planetary mechanism is connected to the corresponding housing through a second lock-up clutch, and a planet carrier of the Ravigneaux planetary mechanism is connected to the system output shaft. A vehicle including the electric drive system is also disclosed. Based on the working principle of the Ravigneaux planetary mechanism, working states of the first lock-up clutch and the second lock-up clutch are controlled to enable the multi-mode electric drive system to operate in different pure electric drive modes, such that the system can be adjusted to a suitable drive mode based on the actual situation. When the system operates in a suitable drive mode, the operating efficiency of the system can be ensured.