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Shell for a rotating electrical machine

A technology of rotating electrical machines and housings, which is applied in the field of housings of rotating electrical machines, can solve problems such as limitations, and achieve the effects of eliminating processing operations, optimizing supply chains, and reducing costs

Inactive Publication Date: 2016-03-09
WEG电子设备有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although they provide an alternative to conventional rotating motor housings, they are still limiting

Method used

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  • Shell for a rotating electrical machine
  • Shell for a rotating electrical machine
  • Shell for a rotating electrical machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0054] Figure 3 to Figure 12 A simplified construction of a rotating electrical machine according to a preferred embodiment of the present invention is shown.

[0055] In the figures shown, the rotating electrical machine is an electric motor, however it should be understood that the inventive concept of the present invention can be applied to any rotating electrical machine.

[0056] The technical solution proposed by the present invention is based on a simplified concept of the housing structure, which enables an optimized assembly of internal and external components with the flexibility to change the stator length in a variable range and with the avoidance of material removal operations such as machining ) to ensure the possibility of a spatial / geometric interface.

[0057] The housing according to the invention has a first housing part and a second housing part. therefore, image 3 and Figure 4 An electric motor according to a preferred embodiment of the invention is...

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Abstract

The invention refers to a shell for a rotating electrical machine, the shell comprising a first shell part (10) and a second shell part (13) configured for coupling. The inner surface of the first and second shell parts (10, 13) is free from elements limiting the displacement of the stator in the axial direction. The first shell part (10) is formed in a single piece, with a cylindrical wall section (11) and an end section (12). The cylindrical wall section (11) comprises at least one terminal box receiving portion (11b), at least two connection element receiving portions (11c) and at least two coupling elements (11c). The second shell part (13) is formed in a single piece, with a cylindrical wall section (14) and an end section (15). The cylindrical section comprises at least two coupling elements (14c), and the end section has a shaft passage central hole.

Description

technical field [0001] The invention relates to a housing for a rotating electric machine, wherein the structural features of the housing allow a substantial reduction in the number of parts, production optimization, cost reduction, modularity and flexibility. Background technique [0002] figure 1 A conventional motor is shown. As seen in the attached drawings, a conventional electric motor typically includes a frame, junction box, eyelets, front cover, rear cover, ventilation system, shaft, bearings, rotor, stator, and various fasteners. Overall, an electric machine typically includes about 70 different components ranging from more or fewer components. [0003] A large number of different parts typically results in about 15 spatial / geometric joints, which must be noted and taken into account for the tolerance summation. figure 2 These interfaces are shown in a simplified manner, where: C1+C2+C3+C4+C5+D1+D2+D3+D4+D5+D6+D7+D8+BR directly affect the The clearance indicat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/04
CPCH02K5/00H02K5/06H02K5/225
Inventor 卡夏诺·安图内斯·切萨里奥
Owner WEG电子设备有限公司