A power transmission apparatus for a vehicle which includes a first and a second planetary gear set to transmit power to a driven wheel. A ring gear of the first planetary gear set is coupled to the driven wheel. A carrier of the first planetary gear set is coupled to a ring gear of the second planetary gear set. A carrier and a sun gear of the second planetary gear set are so linked as to have signs of power which are opposite each other. A sign of speed of the ring gear of the second planetary gear set is reversed under the condition that the a sign of speed of a motor-generator is fixed, thereby reversing the sign of speed of the carrier of the first planetary gear set, which eliminate the circulation of power between the sun gear and the carrier of the first planetary gear set.
Vehicle power transmission device and control system for power transmission
22.07.2015
Patent
Elektronische Ressource
Englisch
IPC: | B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / F16H Getriebe , GEARING / B60K Anordnung oder Einbau von Antriebseinheiten oder von Kraft- bzw. Drehmomentübertragungen in Fahrzeugen , ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen |
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