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A motorized wheel and a method for fixing a stator casing of the electric motor to a fixed bracket

A technology of stator casing and electric motor, which is applied in the direction of casing/cover/support, motor vehicle, electromechanical device, etc., can solve the problems of consumable parts and time-consuming

Inactive Publication Date: 2016-01-27
AMER SPA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Providing a suitable brush holder dome part G and fitting it to the bracket C by means of screws is a part consuming, time consuming activity and requires specialized labor costs

Method used

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  • A motorized wheel and a method for fixing a stator casing of the electric motor to a fixed bracket
  • A motorized wheel and a method for fixing a stator casing of the electric motor to a fixed bracket
  • A motorized wheel and a method for fixing a stator casing of the electric motor to a fixed bracket

Examples

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Embodiment Construction

[0020] Referring to the drawings, a motorized wheel according to the invention is indicated generally by the reference numeral 10 .

[0021] The motorized wheel 10 is of the type comprising an electric motor 11 , for example but not exclusively a direct current motor, supported by a fixed support 12 and adapted to be driven by rotation rate reducing means 13 , and an internal hollow wheel 14 . Supported in rotation, the inner hollow wheel is profiled to partially house the electric motor 11 and the rotation rate reducing means 13 .

[0022] The electric motor 11 comprises a stator housing 15, for example but not exclusively, which supports a plurality of permanent magnets, and a dome 16, such as a brush holder dome, and a rotor, which is located in said stator housing. 15, only the shaft 17 of the rotor is shown for the sake of simplicity.

[0023] The motorized wheel 10 according to the invention is characterized in that the stator casing 15 is inserted into a corresponding ...

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PUM

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Abstract

The invention relates to a motorized wheel (10) and a method for fixing a stator casing (15) of the electric motor (11) to a fixed bracket (12). The motorized wheel (10), of the type comprising an electric motor (11) supported by a fixing bracket (12), adapted to support rotationally, by way of means (13) for reducing the rotation rate, an internally hollow wheel (14) that is contoured to contain at least partly said electric motor (11) and said rotation rate reduction means (13), said electric motor (11) comprising a stator casing (15), a dome (16) and a rotor which is internal to the stator casing (15), the stator casing (15) being inserted in a corresponding complementarily shaped annular portion (18) that extends from the bracket (12) and is fixed thereto by interference. The motorized wheel of the invention is easy to assembly so as to substantially reduce assembling time and allows a very flexible mode of controlling a radius of curvature of the motorized wheel.

Description

technical field [0001] The invention relates to a motorized wheel. Background technique [0002] Currently, floor scrubbing machines, industrial sweepers, electric trucks for transporting goods in warehouses are usually provided with a plurality of so-called motorized wheels. [0003] figure 1 is a cross-sectional view of a conventional motorized wheel, designated by the reference letter A. [0004] The motorized wheel A comprises an electric motor B, for example but not exclusively a DC motor, supported by a fixed bracket C for securing the motorized wheel to a truck or scrubber Or the structure of another machine comprising the motorized wheel; the electric motor B is adapted to be rotated by a rotation rate reducing device D, the internal hollow wheel E being contoured to at least partially house said electric motor B and the rotation rate reducing device D; As known, the electric motor B comprises a stator housing F supporting a plurality of permanent magnets, a brush...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/00H02K5/04H02K15/14H02K7/116H02K7/14
CPCB60K7/0007B60K17/043B60K2007/0038B60K2007/0092B60Y2200/62B60Y2400/602H02K5/04H02K7/116
Inventor 弗朗切斯科·巴蒂斯泰拉米尔科·达拉 科斯塔
Owner AMER SPA