| 摘要 |
Hybrid drive system for a motor vehicle, comprising a housing and, contained in at least some sections of said housing, an input shaft (12) on the input side, an output shaft (14) on the output side which is coaxially arranged relative to the input shaft (12), a first electrical machine (20) having an outer stator (22), fixed to the housing, and an inner rotor (24), a second electrical machine (30) having an outer stator (32), fixed to the housing, and an inner rotor (34) which is arranged axially adjacent to the first electrical machine (20), a first planetary gearbox (40), comprising a ring gear (42), a sun gear (44) and a set of planetary gears (48) which intermesh with the ring gear (42) and the sun gear (44) and are rotatably mounted on a planetary carrier (46), the rotor (24) of the first electrical machine (20) being fixed to the sun gear (44), the planetary carrier (46) being fixed to the input shaft (12) and the ring gear (42) being connectible to the housing by means of a first brake (80) and being connectible to the rotor (34) of the second electrical machine (30) by means of a first coupling (70), a second and a third planetary gearbox (50; 60), each comprising a ring gear (52; 62), a sun gear (54; 64) and a set of planetary gears (58; 68) which intermesh with the ring gear (52; 62) and the sun gear (54; 64) and which are rotatably mounted on a planetary carrier (56; 66), the sun gear (64) of the third planetary gearbox (60) being fixed to the rotor (34) of the second electrical machine (30), the ring gear (62) of the third planetary gearbox (60) being coupled to the output shaft (14), the planetary carrier (66) of the third planetary gearbox (60) being fixed to the input shaft (12), and two of the transmission elements ring gear (52), sun gear (54) and planetary carrier (56) of the second planetary gearbox (50) being coupled to corresponding transmission elements of the third planetary gearbox (60) and being connectible to the housing by means of a second brake (82). |
