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Drive system for drive wheels of a two-wheeled vehicle

A drive system and technology for two-wheeled vehicles, applied to motor vehicles, bicycles, motorcycles, etc., can solve problems such as reducing energy saving effects and asymmetrical weight distribution

Active Publication Date: 2019-05-03
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this arrangement increases the asymmetry of the weight distribution in the area of ​​the rear wheels and allows only a very limited shift actuator (Schaltaktuatorik) in its function
Thus, for example, the driving speed stage (Fahrstufe) can only be used when a continuous holding current is applied to the shift actuator at this time, which reduces the energy-saving effect

Method used

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  • Drive system for drive wheels of a two-wheeled vehicle
  • Drive system for drive wheels of a two-wheeled vehicle
  • Drive system for drive wheels of a two-wheeled vehicle

Examples

Experimental program
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Effect test

Embodiment Construction

[0021] figure 1 A schematic diagram of a drive system 1 for a two-wheeled vehicle (not shown) is shown. The drive system 1 includes a rear wheel yoke 2, which is preferably designed as a double-arm yoke, but can also be designed as a single-arm yoke.

[0022] The rear wheel yoke 2 is arranged on the yoke shaft 7 , so that the rear wheel yoke 2 is supported on the frame of the two-wheeled vehicle and can pivot about the yoke shaft 7 . The rear wheel yoke 2 is also supported on the frame of the two-wheeled vehicle in a known manner by elastic elements (not shown).

[0023] At the end of the rear wheel yoke 2 opposite the yoke shaft 7, the rear wheel 3 is mounted on the rear wheel shaft 4 via a suitable bearing, so that the rear wheel 3 is held between the yoke arms of the rear wheel yoke 2 between. Arranged on the rear wheel axle 4 is a rim body 5 which is fixedly connected to a sprocket 6 .

[0024] A drive motor 8 , in particular an electric motor, is arranged between the ...

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PUM

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Abstract

The drive system (1) has a drive motor (8), a rear wheel (3) arranged on a rear wheel swing arm, and a chain or toothed belt coupling for providing a reduction ratio and transmitting a drive torque on the rear wheel. The drive motor is coupled with a gearbox (10) to provide a speed reduction additionally to the speed reduction of the chain or the toothed belt coupling. The drive motor and the gearbox are formed in a modular manner such that an identical drive motor is combined with different execution of the gearbox.

Description

technical field [0001] The invention relates to a drive system for a two-wheeled vehicle, in particular a drive system with an electric motor which is arranged remotely from the hub. Background technique [0002] Electric drive systems for two-wheeled vehicles are basically distinguished by the arrangement of the drive motors. For an electrically driven two-wheeled vehicle, for example, in-wheel motors can be provided as direct drives in the rear wheels. An alternative embodiment of the drive system provides an arrangement of the drive motor remote from the hub, wherein the drive motor is frame-fixed or the coupling fork is fixed or positioned between the two wheels or in the vicinity of the wheels. [0003] In the case of drive motors which are arranged remote from the hub, the drive torque is usually transmitted by means of a gear reducer which has a chain or toothed belt torque transmission. Most of the reducers set for two-wheelers do not provide shifting, but are desi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62M7/02
CPCB62M7/12
Inventor A.施图布纳H-P.多姆施N.马丁
Owner ROBERT BOSCH GMBH