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Hybrid vehicle

A technology for hybrid vehicles and axles, applied to hybrid vehicles, mechanical hybrid vehicles, motor vehicles, etc., can solve the problems of braking energy loss and achieve good efficiency

Active Publication Date: 2014-06-04
AUDI AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Most of the braking energy remains unused and lost as heat

Method used

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  • Hybrid vehicle
  • Hybrid vehicle

Examples

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Effect test

Embodiment Construction

[0022] exist figure 1 The hybrid vehicle 1 shown in includes an engine 2 which is connected to an automatic transmission 3 . The wheels 5 , 6 of the first axle 7 are driven via a drive shaft 4 connected to the automatic transmission 3 . The wheels 8 , 9 of the second axle 10 are driven by electric motors 11 , 12 . During braking, the electric machines 11, 12 can be operated as generators. During generator operation, a voltage is generated by the rotating wheels 8 , 9 , the generated current is used to charge the flywheel energy store 13 . The flywheel energy store 13 includes a rotor 14 and a stator 15 . The rotor 14 and the stator 15 together form an electric machine 18 which can be operated as a generator or as a motor.

[0023] During braking, the power electronics 16 controls the electric machines 11 , 12 of the second axle 10 . The electrical energy generated during the braking process is fed via the line 17 to the electric machine 18 of the flywheel energy store 13 ...

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PUM

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Abstract

The invention relates to a hybrid vehicle comprising an internal combustion engine (2) with a driveshaft (4) for driving the wheels of at least one axle (7) and comprising at least one electric machine (11, 12) for driving the wheels of said axle or at least one other axle (10). The at least one electric machine can be operated as a generator during a braking process and as a motor during an acceleration process. The hybrid vehicle also comprises another electric machine (18) which is coupled to the at least one electric machine and which comprises a flywheel storage that has a rotor (14), said flywheel storage being chargeable during a braking process and dischargeable during an acceleration process. The rotor (14) can be mechanically coupled to the driveshaft (4) of the at least one axle (7) which can be driven by the internal combustion engine via at least one shiftable clutch (23).

Description

technical field [0001] The invention relates to a hybrid vehicle comprising an engine together with a drive shaft for driving the wheels of at least one axle and at least one electric machine for driving the wheels of said axle or of at least one further axle a wheel, wherein the at least one electric machine is operable as a generator during braking and as a motor / driver during acceleration, the hybrid vehicle further comprising another electric machine coupled to the at least one electric machine, The further electric machine includes a flywheel energy store with a rotor, which can be charged / charged with energy during braking and unloaded / discharged with energy during acceleration. Background technique [0002] The use of flywheels in vehicles has long been known. A flywheel accumulator for a vehicle is proposed in DE639717A, in which a switchable transmission is arranged between the flywheel and the drive train of the vehicle. Instead of a mechanical stepped transmissi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K6/10B60K6/30B60K6/52B60K6/547B60K6/26B60K6/48
CPCB60K6/26B60K6/52Y02T10/6204Y02T10/6252B60K6/105B60K6/30Y02T10/6282B60W20/40B60K6/547Y02T10/6265Y10S903/96B60Y2400/15B60K2006/4825Y02T10/62
Inventor J·达维德齐亚科S·克莱门特M·席费尔
Owner AUDI AG
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