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A starter and internal combustion engine technology, applied to engine components, engine starting, machine/engine, etc., can solve problems such as reducing friction torque, deterioration, and expansion of electromagnetic switches

Inactive Publication Date: 2015-07-29
DENSO CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0020] However, since the mass of the pinion moving body in the pinion tube conversion structure is large in the first position, the electromagnetic switch needs to be enlarged
[0021] In addition, the inner circumference of the washer contacts the circumference of the pinion tube, and frictional torque is also generated between the inner circumference of the washer and the circumference of the pinion tube, so there is a possibility that, in Publication No.'178, by inserting the washer while the effect of reducing the frictional torque may deteriorate

Method used

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Embodiment Construction

[0062] Aspects of the present invention will be described below with reference to the accompanying drawings.

[0063] 【aspect】

[0064] 【Composition of the first aspect】

[0065] use figure 1 The composition of the starter 1 of the first aspect will be described.

[0066] The starter 1 is installed in an engine compartment (not shown) of a vehicle, and starts an internal combustion engine (not shown).

[0067] The starter 1 has an electric motor 2, an electromagnetic switch 3, a pinion 4, a switching lever 5, a transmission shaft 6, a housing 7, a one-way clutch (not shown) and the like.

[0068] Hereinafter, the side provided with the pinion 4 is defined as a first end side in the axial direction, and the side provided with the electric motor 2 is defined as a second end side in the axial direction, as shown in the drawings shown.

[0069] In starter 1, shift lever 5 is shifted by electromagnetic switch 3 to engage pinion 4 to ring gear 8 of the engine, and torque of ele...

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Abstract

A washer is held by being sandwiched in an axial direction by a pinion and a holder. Here, although the washer is inexpensive, it has high planar accuracy. Then, by sandwiching the washer in the axial direction between the pinion and the holder, a metal surface of the inexpensive washer with high planar accuracy can be used as a contacting surface that contacts a holder side slide-contacting surface directly. Furthermore, another metal surface of the washer can also be directly contacted to a pinion side slide-contacting surface. Thereby, wear caused by a slide-contacting rotation of the holder can be reduced without raising costs of parts and processing in the starter that adopts a pinion shift structure.

Description

technical field [0001] The invention relates to a starter for starting an internal combustion engine. Background technique [0002] Starters are generally known with a pinion that transmits torque from an electric motor to a ring gear of an internal combustion engine, and that engages the pinion to the ring gear by shifting a shift lever with the force of an electromagnetic switch. [0003] In addition, there is a holder or the like which supports the end of the switching lever as a part driven by the switching lever in addition to the pinion. [0004] By the end of the switching rod pushing the holder and then the holder pushing the pinion, the pinion and the holder etc. are integrated and driven in the axial direction (hereinafter, a set of components driven by the switching rod can be divided into batches and is called the pinion moving the body). [0005] In addition, the holder has a non-rotatable structure with respect to the switching lever. [0006] As the mass of...

Claims

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Application Information

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IPC IPC(8): F02N15/06
CPCF16H55/17F02N15/067F02N15/062F02N2015/061Y10T74/133
Inventor 山田辅今西友也
Owner DENSO CORP