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Wheel drive for a vehicle

A technology of wheel drive and vehicle, applied in the direction of power unit, electric device, control drive, etc., can solve problems such as difficult additional settings, and achieve the effect of optimizing space utilization

Active Publication Date: 2012-11-28
BAYERISCHE MOTOREN WERKE AG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Additional components (e.g. energy storage) can only be added with difficulty

Method used

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  • Wheel drive for a vehicle
  • Wheel drive for a vehicle

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Embodiment Construction

[0030] figure 1 Shown in is an axial sectional view of the wheel drive device 10 of the present invention. The wheel drive 10 comprises a drive motor 12 , a transmission 14 , a cardan shaft 16 with two joints 18 and 20 and an intermediate shaft arranged between the two joints 18 and 20 twenty one.

[0031] The drive motor 12 includes a plurality of field windings 22, a stator 24, a rotor 26 and a casing 28 that isolates the drive motor 12 from the outside world. An inner housing 30 is formed on one end side of the drive motor 12 , which separates the drive motor 12 as far as possible from the transmission 14 , which is fixedly mounted on the inner housing 30 .

[0032] In the present example, the gear mechanism 14 is designed as a planetary gear mechanism with a sun gear 32 arranged in the central region, a plurality of planet gears 34 surrounding the sun gear 32 and an internal gear. To transmit the rotational movement, the sun gear 32 , the planet gears 34 and the ring ge...

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Abstract

The invention relates to a wheel drive for driving a wheel of a vehicle, comprising an electric drive motor for generating a drive torque, a gear box for increasing the drive torque, and an articulated shaft having at least one joint for transferring the increased drive torque to the wheel. The electric drive motor is designed to surround the articulated shaft. The invention also relates to a vehicle comprising the wheel drive.

Description

technical field [0001] The invention relates to a wheel drive device for driving a vehicle wheel, comprising: a drive motor for generating a drive torque; a transmission mechanism for increasing the drive torque; and a drive with at least one joint for increasing the drive torque The torque is transmitted to the cardan shafts on the wheels. Background technique [0002] Various ways of arranging electric motors on vehicle axles are known. It is thus known to arrange the drive motor directly on the hub of the axle. The disadvantage of this arrangement is that there is only limited installation space available, which limits the maximum installed power of the electric motor. [0003] A drive train for a vehicle with multiple energy sources is known from DE 10 2009 003 388 A1, which includes an electric motor for driving a set of vehicle wheels. The electric motor is arranged together with the associated transmission between two drive shafts of the vehicle wheels. In this de...

Claims

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Application Information

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IPC IPC(8): B60K7/00
CPCB60K2007/0092B60K7/00B60K7/0007B60K17/046B60K2007/0046B60L15/20B60L2220/44B60L2220/50B60L2240/423Y02T10/64Y02T10/72
Inventor N·道恩E·魏格尔
Owner BAYERISCHE MOTOREN WERKE AG
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