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hybrid car

A hybrid vehicle and axle technology, applied in hybrid vehicles, motor vehicles, power units, etc., can solve problems such as braking energy loss and achieve good efficiency.

Active Publication Date: 2017-02-15
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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Examples

Experimental program
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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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Abstract

A hybrid electric vehicle comprising an engine (2) together with a drive shaft (4) for driving wheels of at least one axle (7) and at least one electric motor (11, 12) for driving the vehicle A wheel of an axle or a wheel of at least one further axle (10), wherein the at least one electric machine can operate as a generator during braking and as a motor during acceleration, the hybrid vehicle also includes and A further electric machine (18) coupled to the at least one electric machine, comprising a flywheel accumulator with a rotor (14), which can be charged during braking and can be charged during acceleration is unloaded, wherein the rotor (14) can be mechanically coupled to the drive shaft (4) of the at least one axle (7) that can be driven by the engine via at least one switchable coupling device (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 Patents(China)
IPC IPC(8): B60K6/10B60K6/30B60K6/52B60K6/547B60K6/26B60K6/48
CPCB60K6/105B60K6/26B60K6/30B60K6/52B60K6/547B60K2006/4825B60Y2400/15Y10S903/96Y02T10/62B60W20/40
Inventor J·达维德齐亚科S·克莱门特M·席费尔
Owner AUDI AG
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