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Wheel hub motor arrangement

A wheel hub motor and wheel hub technology, applied in the direction of electromechanical devices, electric vehicles, electrical devices, etc., can solve the problems of short service life, in-wheel motor system load capacity and calibrated power limit, etc., to achieve and firm structure, load and manufacturing dynamic compact effect

Active Publication Date: 2013-12-11
VOLVO LASTVAGNAR AB
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Problems solved by technology

However, this design is disadvantageous because the construction of the motor and hub arrangement, especially for heavy commercial vehicle applications, has a short service life and the load carrying capacity and rated power of the in-wheel motor system are very limited

Method used

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Embodiment Construction

[0043] In the drawings, the same or similar elements are denoted by the same reference numerals. The drawings are schematic diagrams only, not intended to illustrate specific parameters of the invention. Moreover, the drawings are intended to depict only typical embodiments of the invention, and therefore should not be considered as limiting the scope of the invention.

[0044] exist figure 1 , a schematic view of a vehicle 1 that may be equipped with a hub motor (WHM) arrangement according to the invention is shown. Vehicle 1 is a conventional large truck for long-distance towing applications, comprising a tractor 2 (such as a 4X2 truck) with front 3 and rear 4 axles, and a trailer 5 with multiple trailer axles 6 . For example, the rear axle 4 of the tractor 2 can be driven by conventional propulsion, wherein the wheels on each side of the front axle 3 are equipped with a WHM device according to the invention. The front axle 3 can be electrically driven by a WHM device to ...

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PUM

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Abstract

The present invention relates to a wheel hub motor arrangement for propelling a vehicle, and to a method for manufacturing the same, comprising an axle, a rotatable wheel hub supported by at least one bearing to a hub support of the axle, an electric machine comprising a rotor member and a stator member, and a transmission mechanism for transferring motive power from the electric machine to the wheel hub, wherein the stator member of the electric machine is arranged to an electric machine support of the axle, whose electric machine support is arranged axially outside the hub support, and the transmission mechanism includes a member which at least partly encapsulates the electric machine.

Description

technical field [0001] The invention relates to an in-wheel motor arrangement for propulsion vehicles, such as commercial vehicles, eg trucks for over-the-road applications, and to a method for manufacturing the in-wheel motor arrangement. A hub motor device includes a rotatable hub, a motor, and a transmission mechanism for transferring motive power from the motor to the hub. Background technique [0002] To improve the efficiency and handling of vehicles, it is known to provide electric vehicle motors, or in-wheel motors, which are arranged to transmit motive power to the wheels. For example, the introduction of electric wheel motors (EWMs) in commercial vehicles such as trucks, buses etc. is considered as an alternative to improve vehicle fuel consumption efficiency and reduce eg carbon dioxide emissions. Weight savings and reduced frictional losses are possible by replacing conventional drive wheels or drive shafts. [0003] However, this technology poses substantial c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60K7/00
CPCB60K7/0007B60K17/046B60K2001/006B60K2007/0038B60K2007/0092B60L2220/44H02K7/006H02K7/116
Inventor 佩尔·兰德弗斯菲利普·尤尼弗斯
Owner VOLVO LASTVAGNAR AB
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