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Motor vehicle combustion engine starter with air ventilation hole

A technology for combustion engines and motor vehicles, which is used in engine starting, engine starting with an electric motor, starting devices with fluid drive, etc., and can solve the problems of developing complex tools and mechanical weakening of the pinion body.

Active Publication Date: 2016-06-01
VALEO EQUIP ELECTRIC MOTEUR +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such a system requires the development of complex tooling to be able to manufacture the pinion body by cold forging
In addition, the pinion body is mechanically weakened due to the grooves being made along its entire length

Method used

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  • Motor vehicle combustion engine starter with air ventilation hole
  • Motor vehicle combustion engine starter with air ventilation hole
  • Motor vehicle combustion engine starter with air ventilation hole

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0031] exist Figures 2 to 5 In the figures, identical, similar or analogous elements keep the same reference numerals from one figure to another.

[0032] Furthermore, taking a front-to-back orientation corresponds to the figure 2 , 3 , and left-to-right orientation in 5.

[0033] refer to figure 2 , the starter 11 according to the present invention particularly comprises a transmission shaft 12, a starter drive assembly 13 mounted on the transmission shaft 12, and an electric motor 15 composed of an armature rotor 17 fixed to a shaft 18 and an induction The stator 16 is made. The motor 15 comprises a housing 31 mounted on the support 22 of the starter 11 intended to be fixed to a stationary part of the motor vehicle.

[0034] A reduction gearing 23 of the planetary gearbox type is preferably arranged between the shaft 18 of the electric motor 15 and the rear end of the transmission shaft 12 .

[0035] The starter 11 also includes an electromagnetic contact switch 25 ...

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PUM

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Abstract

The invention mainly relates to a starter (11) of a motor vehicle combustion engine. The starter comprises an electric motor (15), a driving pinion (60), a pinion body (61) and a driving shaft (12), wherein the driving pinion (60) is mounted on the driving pinion (60); the driving shaft (12) is capable of transmitting torque of the electric motor (15) to the driving pinion (60) via the pinion body; the pinion body (61) has the capability of axially sliding with respect to the driving shaft (12); a cavity (86) is formed in the pinion body (61); the cavity is particularly defined by one end of the driving shaft (12) and one end of the pinion body (61) opposite to the end of the driving shaft (12); the cavity (86) is ventilated by a through hole (85) formed in an annular wall of the pinion body (61) or the driving shaft (12).

Description

technical field [0001] The invention relates to a starter for a combustion engine of a motor vehicle, equipped with air ventilation holes. The invention finds particularly advantageous application in (but not exclusively) automatic combustion engine stop and start systems for vehicles. Background technique [0002] For starting a combustion engine, in particular a combustion engine of a motor vehicle, it is known practice to use a starter provided with a starter drive assembly capable of transferring rotational energy from the starter to the starter ring gear of the combustion engine . The starter drive assembly is mounted with the ability to slide on a drive shaft that is coupled to the shaft of the electric motor via a reduction gearing. [0003] The starter drive assembly can move between an active position (active position) and a rest position (rest position). In the active position, the drive pinion (drive pinion) meshes with the starter ring gear to start it after ex...

Claims

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Application Information

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IPC IPC(8): F02N15/06
CPCF02N11/00F02N15/022F02N15/04F02N15/062F02N7/08F02N11/02F02N11/0855F02N15/025F02N15/067F16C33/6618F16C33/7886
Inventor J.韦罗特范永周
Owner VALEO EQUIP ELECTRIC MOTEUR