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Rotary electric machine provided with protective cover fixed by snap-fastening

A technology of rotating motor and protective cover, applied in the direction of quick-acting fasteners, electromechanical devices, electrical components, etc., can solve problems such as the detachment of the fixed unit of the protective cover 1, the breakage of the tongue 5, and the impossibility of repeated use.

Active Publication Date: 2022-07-12
VALEO EQUIP ELECTRIC MOTEUR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This may cause the protective cover 1 to detach from its fixing unit
[0009] In addition, it is generally not possible to reuse the cover 1 that has been removed when completed on the assembly line, since removal of the cover would result in breaking of the tongue 5

Method used

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  • Rotary electric machine provided with protective cover fixed by snap-fastening
  • Rotary electric machine provided with protective cover fixed by snap-fastening
  • Rotary electric machine provided with protective cover fixed by snap-fastening

Examples

Experimental program
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Embodiment Construction

[0037] exist Figure 2 to Figure 7 , identical, similar or similar elements retain the same reference numerals from one figure to another.

[0038] figure 2 A polyphase compact alternator 10 is shown, particularly for use in motor vehicles. The alternator 10 may convert mechanical energy to electrical energy and may be reversible. This type of reversible alternator, known as an alternator-starter, converts electrical energy into mechanical energy, especially for starting the vehicle's heat engine.

[0039] The alternator 10 includes a housing 11 and, inside the housing, a rotor with claws 12 mounted on a shaft 13 and a stator 16 surrounding the rotor 12 in the presence of an air gap. The axis X along which the shaft 13 extends forms the axis of the motor.

[0040] The housing 11 includes a front bearing 17 and a rear bearing 18 that support the stator 16 . The bearings 17 , 18 have a hollow form, and each bearing supports at the center a ball bearing for rotatably fittin...

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PUM

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Abstract

The present invention mainly relates to a rotating electric machine for a motor vehicle, which has: a casing (11); an electronic assembly (47) mounted on the casing; and a protective cover (50) positioned on the electronic assembly (47). 47) around; and screws (55), extending along the axis (X') and allowing the cover (50) to be fastened on the housing (11) and / or the electronic assembly (47). The protective cover (50) has at least one opening forming a fixing area within which at least one tongue (56) extends, the at least one tongue (56) defining a central opening (57) for the screw (55) to pass through ). The screw (55) has a screw head (70) and a retaining slot (71) such that the tongue (56) is received in said slot (71).

Description

technical field [0001] The present invention relates to a rotating electrical machine, which is provided with a protective cover which is fastened and fixed by snaps. The invention has particularly advantageous, but not exclusive, application in the field of alternators for motor vehicles. Background technique [0002] This type of alternator converts mechanical energy into electrical energy and can be reversible. This type of reversible alternator is called an alternator-starter, and can convert electrical energy into mechanical energy, especially for starting a vehicle's heat engine. The present invention can also be implemented with electric motors. [0003] A rotating electrical machine comprises a housing in a known manner, and inside the housing comprises a rotor with claws rotating integrally with the shaft and a stator surrounding the rotor with an air gap. [0004] The rotor may be a claw rotor comprising two magnet wheels and a core around which the field coils ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02K5/10F16B21/07
CPCF16B21/071H02K5/10H02K5/08H02K1/243H02K7/1815
Inventor P-H.吉伯特G.科利尔
Owner VALEO EQUIP ELECTRIC MOTEUR