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Turbocharger bearing housing

A technology of turbocharger and bearing sleeve, applied in the field of bearing sleeve, can solve the problems of difficulty in light weight and high density of cast iron of the bearing sleeve, and achieve the effects of preventing deformation and damage, reducing the occurrence rate of oil clogging and low roughness

Inactive Publication Date: 2014-12-17
TAIHO INDUSTRIES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, it is disadvantageous that it is difficult to reduce the weight of the bearing housing manufactured by using cast iron because the density of the cast iron is relatively high.

Method used

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  • Turbocharger bearing housing
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Embodiment Construction

[0036] In the following description, the front-rear direction, the up-down direction, and the left-right direction are respectively defined according to the arrows shown in the drawings.

[0037] First, use figure 1 , for the use of the bearing sleeve 100 according to an embodiment of the present invention (see image 3 etc.) the outline of the operation of the turbocharger 10 will be described.

[0038] The turbocharger 10 sends compressed air to the cylinders 2 of the engine. Air is supplied to the cylinder 2 through the intake passage 1 . The air is supplied to the cylinder 2 sequentially through the air cleaner 4 , the turbocharger 10 , the intercooler 5 , and the throttle valve 6 arranged in the middle of the intake passage 1 . At this time, since the air is compressed by the compressor 30 of the turbocharger 10 , more air can be sent into the cylinder 2 .

[0039] High-temperature air (exhaust gas) combusted in the cylinder 2 is discharged through the exhaust gas pas...

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Abstract

Provided is a turbocharger bearing housing that can be more lightweight. The bearing housing (100) of a turbocharger (10) contains a shaft (20) coupling a turbine (40) and a compressor (30) and rotatably supports the shaft (20). The bearing housing (100) is characterized in that: the bearing housing (100) is divided into a turbine-side housing (120) disposed at the turbine (40) side and a compressor-side housing (110) disposed at the compressor (30) side, and the compressor-side housing (110) is formed from an aluminum-based material.

Description

technical field [0001] The present invention relates to a technology of a bearing sleeve provided in a turbocharger of an internal combustion engine. Background technique [0002] Conventionally, the technique of installing a bearing housing in a turbocharger of an internal combustion engine is known. For example, there is a description in JP-A-9-310620. [0003] The bearing housing of this turbocharger rotatably supports a shaft that connects a turbine driven by exhaust gas and a compressor that compresses intake air. Such a bearing housing is produced by casting using cast iron. [0004] However, such a bearing housing manufactured using cast iron is disadvantageous in that it is difficult to reduce the weight due to the relatively high density of cast iron. Contents of the invention [0005] The problem to be solved by the invention [0006] The present invention has been made in view of the above situation, and the problem to be solved is to provide a bearing housi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F02B39/00F02B39/16
CPCF01D25/24F05D2220/40F05D2300/121F05D2240/50F01D25/005F04D29/403
Inventor 高间建一郎神原觉牧敬次郎成濑龙二
Owner TAIHO INDUSTRIES CO LTD
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