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Drive train for a motor vehicle

A power transmission system and motor vehicle technology, which is applied to the layout of multiple different prime movers of motor vehicles and general power devices, power devices, etc., can solve problems such as increasing vehicle weight, and achieve the effect of saving structural space

Active Publication Date: 2014-04-02
GETRAG GETRIEBE & ZAHNRADFABRIK HERMANN HAGENMEYER GMBH & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this increases vehicle weight

Method used

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  • Drive train for a motor vehicle
  • Drive train for a motor vehicle
  • Drive train for a motor vehicle

Examples

Experimental program
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Embodiment Construction

[0053] exist figure 1 In , the drivetrain of a motor vehicle 11 is shown schematically and indicated by 10 .

[0054] The drive train 10 has a first electric machine 12 which is designed to provide drive power for the motor vehicle 11 . Furthermore, the drive train 10 has a differential 16 which is designed to distribute the drive power to the two driven wheels 18L, 18R (or two axles) of the motor vehicle 11 . The drive power of the first electric machine 12 is transmitted via the first transmission device 14 to a differential 16 .

[0055] Furthermore, the drivetrain 10 includes an internal combustion engine 20 . The drive power generated by the internal combustion engine 20 can be transmitted to the differential 16 via the second transmission device 22 . Drive train 10 also includes a second electric machine 24 , which is operated in particular as a generator and is connected in a rotationally fixed manner to an output shaft (crankshaft) of internal combustion engine 20 v...

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Abstract

A drive train (10) for a motor vehicle (11), with a first electric machine (12) for providing driving power, wherein the first electric machine (12) is connected to an electric power accumulator (32); a differential (16) which can distribute driving power to two driven wheels (18L, 18R) or axles of the motor vehicle (11); a first transmission arrangement (14) which connects the first electric machine (12) to the differential (16); an internal combustion engine (20); a second electric machine (24) which is coupled to the internal combustion engine (20) in order to charge the electric power accumulator (32) in a generator mode; and a second transmission arrangement (22) which connects the internal combustion engine (20) to the differential (16); wherein the second transmission arrangement (22) has a first gear stage (G1) and a second gear stage (G2) which are alternatively switchable by means of a clutch arrangement (60) for transmitting driving power from the internal combustion engine (20) to the differential (16).

Description

technical field [0001] The invention relates to a drive train for a motor vehicle having a first electric machine for providing drive power which can be transmitted via a first transmission device to a driven axle of the motor vehicle on the differential. Furthermore, the drive train has an internal combustion engine and a second electric machine, which is coupled to the internal combustion engine in order to charge the electrical energy store during generator operation. Furthermore, a second transmission device is provided, which is designed to connect the internal combustion engine to the differential. Background technique [0002] Such a drivetrain is known under the designation "range extender". Such a drive train is designed to supply the vehicle with drive power via a first electric machine. To increase the range of motion of the motor vehicle, an internal combustion engine is provided which can charge an electrical energy store via the second electric machine and, ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/442B60K6/48B60K6/485
CPCB60K2006/4808F16D48/0206Y02T10/6234Y02T10/626F16D2048/0248B60K6/50B60K6/442F16H61/0025B60K6/485F16D2500/3024Y02T10/6226B60Y2400/4244F16H61/0267Y10S903/902B60Y2400/421F16D2048/029F16D2048/026Y02T10/62
Inventor 京特·吕勒约亨·鲍施马克·施魏厄约尔格·迈斯纳
Owner GETRAG GETRIEBE & ZAHNRADFABRIK HERMANN HAGENMEYER GMBH & CO KG
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