# US 11,299,041 B2 · Power-driven system for vehicle and vehicle > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,299,041 B2 - Document ID: US11299041B2 - Status: Granted - Kind: B2 - Application number: 16/335,843 - Filed: 2017-08-04 - Published: 2020-01-23 - Granted: 2022-04-12 - Earliest claimed: 2016-09-28 - Assignees: BYD Company Limited - Applicants: BYD Company Limited - Inventors: Yubo Lian; Heping Ling; Zhen Zhai; Fei Wu; Youbin Xu - Web page: https://patentgrep.com/patent/US11299041B2 ## CPC - B60K 6/36: characterised by the transmission gearings - B60K 17/02: characterised by arrangement, location, or kind of clutch - B60K 6/442: Series-parallel switching type - B60K 6/547: the transmission being a stepped gearing - B60K 17/08: of mechanical type - F16H 3/006: {power being selectively transmitted by parallel flow paths, e.g. dual clutch transmissions} - B60K 17/16: of differential gearing - B60K 17/22: characterised by arrangement, location, or type of main drive shafting, e.g. cardan shaft - B60K 17/28: characterised by arrangement, location, or type of power take-off - B60Y 2300/91: Battery charging - B60Y 2400/42: Clutches or brakes - B60Y 2400/43: Engines - B60Y 2400/80: Differentials - F16H 2003/0822: {characterised by the arrangement of at least one reverse gear} - F16H 2003/0931: {each countershaft having an output gear meshing with a single common gear on the output shaft} - F16H 2200/0056: the gear ratios comprising seven forward speeds - Y02T 10/62: Hybrid vehicles - B60K: ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES - F16H: GEARING - B60Y: INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY - Y02T: CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION ## Abstract A power-drive system for a vehicle and a vehicle. The power-drive system comprises: an engine; a plurality of input shafts; a plurality of output shafts; a first clutch device, arranged between the engine and the plurality of input shafts, so that the engine selectively engages with at least one of the plurality of input shafts; a motor power shaft, a motor power shaft first gear linking with a gear-position driving gear in the same direction being freely sleeved on the motor power shaft, and the plurality of output shafts and the motor power shaft linking with a differential of the vehicle; a first motor generator, configured to link with the motor power shaft; and a second motor generator, wherein the second motor generator and the engine are located on an input side of the first clutch device, the plurality of input shafts is located on an output side of the first clutch device, and the second motor generator is configured to carry out stationary power generation using at least part of power of the engine when the vehicle is parked. ## Claims ### Claim 1 A power-drive system for a vehicle, comprising: an engine; a plurality of input shafts, a gear-position driving gear being arranged on each input shaft; a plurality of output shafts, a gear-position driven gear being arranged on each output shaft, the gear-position driven gears correspondingly meshing with the gear-position driving gears; a first clutch device, arranged between the engine and the plurality of input shafts, so that the engine selectively engaging with at least one of the plurality of input shafts; a motor power shaft, a motor power shaft first gear that can be engaged to the motor power shaft being freely sleeved on the motor power shaft, the motor power shaft first gear linking with one gear-position driving gear in the same direction, and the plurality of output shafts and the motor power shaft linking with a differential of the vehicle; a first motor generator, configured to link with the motor power shaft; and a second motor generator, the second motor generator and the engine being located on an input side of the first clutch device, the plurality of input shafts being located on an output side of the first clutch device, and the second motor generator being configured to carry out stationary power generation using at least part of power of the engine when the vehicle is parked. ### Claim 2 (depends on 1) The power-drive system for a vehicle according to claim 1, wherein the first clutch device is a double-clutch device and has an input end, a first output end and a second output end, the input end selectively engaging with at least one of the first output end and the second output end. ### Claim 3 (depends on 2) The power-drive system for a vehicle according to claim 2, wherein the input end is provided with input end outer teeth, and the second motor generator links with the input end outer teeth. ### Claim 4 (depends on 2) The power-drive system for a vehicle according to claim 2, wherein the second motor generator is coaxially connected with the input end. ### Claim 5 (depends on 2) The power-drive system for a vehicle according to claim 2, wherein a second clutch device is arranged between the second motor generator and the engine. ### Claim 6 (depends on 5) The power-drive system for a vehicle according to claim 5, wherein the second clutch device is arranged inside a rotor of the second motor generator. ### Claim 7 (depends on 5) The power-drive system for a vehicle according to claim 5, wherein the engine, the second clutch device and the input end of the first clutch device are arranged coaxially. ### Claim 8 (depends on 1) The power-drive system for a vehicle according to claim 1, wherein the rated power of the first motor generator is greater than that of the second motor generator. ### Claim 9 (depends on 8) The power-drive system for a vehicle according to claim 8, wherein the rated power of the first motor generator is two or more times that of the second motor generator. ### Claim 10 (depends on 1) The power-drive system for a vehicle according to claim 1, wherein the second motor generator is located between the first clutch device and the engine. ### Claim 11 (depends on 1) The power-drive system for a vehicle according to claim 1, further comprising: an intermediate idle gear, which links with the motor power shaft first gear and one of the gear-position driving gears respectively. ### Claim 12 (depends on 11) The power-drive system for a vehicle according to claim 11, wherein the intermediate idle gear is a duplicate gear, and has a first gear portion meshing with one of the gear-position driving gears and a second gear portion meshing with the motor power shaft first gear. ### Claim 13 (depends on 1) The power-drive system for a vehicle according to claim 1, wherein a motor power shaft synchronizer for engaging the motor power shaft first gear with the motor power shaft is further arranged on the motor power shaft. ### Claim 14 (depends on 13) The power-drive system for a vehicle according to claim 13, wherein the motor power shaft synchronizer shares a first shift mechanism with a gear-position synchronizer corresponding to one gear-position driven gear. ### Claim 15 (depends on 1) The power-drive system for a vehicle according to claim 1, wherein the plurality of input shafts comprises: a first input shaft and a second input shaft, the second input shaft being sleeved on the first input shaft, a first-gear driving gear, a third-gear driving gear, a fifth-gear driving gear and a seventh-gear driving gear being arranged on the first input shaft, and a second-gear driving gear and a fourth-sixth-gear driving gear being arranged on the second input shaft; the plurality of output shafts comprises: a first output shaft and a second output shaft, a first-gear driven gear, a second-gear driven gear, a third-gear driven gear and a fourth-gear driven gear being freely sleeved on the first output shaft, and a fifth-gear driven gear, a sixth-gear driven gear and a seventh-gear driven gear being freely sleeved on the second output shaft; and a first-third-gear synchronizer is arranged between the first-gear driven gear and the third-gear driven gear, a second-fourth-gear synchronizer is arranged between the second-gear driven gear and the fourth-gear driven gear, a fifth-seventh-gear synchronizer is arranged between the fifth-gear driven gear and the seventh-gear driven gear, and a sixth-gear synchronizer is arranged on one side of the sixth-gear driven gear. ### Claim 16 (depends on 15) The power-drive system for a vehicle according to claim 15, wherein a motor power shaft synchronizer for engaging the motor power shaft first gear with the motor power shaft is further arranged on the motor power shaft, and the motor power shaft synchronizer shares a first shift mechanism with the sixth-gear synchronizer. ### Claim 17 (depends on 15) The power-drive system for a vehicle according to claim 15, wherein a first output shaft output gear is fixedly arranged on the first output shaft, a second output shaft output gear is fixedly arranged on the second output shaft, a motor power shaft output gear is fixedly arranged on the motor power shaft, and the first output shaft output gear, the second output shaft output gear and the motor power shaft output gear mesh with a main reducer driven gear of the vehicle respectively. ### Claim 18 A vehicle, comprising: a power-drive system including: an engine; a plurality of input shafts, a gear-position driving gear being arranged on each input shaft; a plurality of output shafts, a gear-position driven gear being arranged on each output shaft, the gear-position driven gears correspondingly meshing with the gear-position driving gears; a first clutch device, arranged between the engine and the plurality of input shafts, so that the engine selectively engaging with at least one of the plurality of input shafts; a motor power shaft, a motor power shaft first gear that can be engaged to the motor power shaft being freely sleeved on the motor power shaft, the motor power shaft first gear linking with one gear-position driving gear in the same direction, and the plurality of output shafts and the motor power shaft linking with a differential of the vehicle; a first motor generator, configured to link with the motor power shaft and a second motor generator, the second motor generator and the engine being located on an input side of the first clutch device, the plurality of input shafts being located on an output side of the first clutch device, and the second motor generator being configured to carry out stationary power generation using at least part of power of the engine when the vehicle is parked.