Turbocharger

a technology of turbocharger and compressor wheel, which is applied in the direction of liquid fuel engines, machines/engines, mechanical equipment, etc., can solve the problem that the vibration generated in the compressor wheel is too large to ignor

Inactive Publication Date: 2020-06-04
TOYOTA JIDOSHA KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The invention is a turbocharger with a compressor wheel and guide vanes. The compressor wheel has blades that rotate to compress air. The compressor housing has an introduction passage with guide vanes that help guide the airflow. The guide vanes are evenly spaced and there are fewer of them than the blades. The technical effect of this design is improved air compressing efficiency and reduced air resistance.

Problems solved by technology

At this time, depending on the relationship between the number of the blades of the compressor wheel and the number of the guide vanes of the compressor housing, the vibration generated in the compressor wheel becomes too large to ignore.

Method used

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Examples

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Embodiment Construction

[0027]This description provides a comprehensive understanding of the methods, apparatuses, and / or systems described. Modifications and equivalents of the methods, apparatuses, and / or systems described are apparent to one of ordinary skill in the art. Sequences of operations are exemplary, and may be changed as apparent to one of ordinary skill in the art, with the exception of operations necessarily occurring in a certain order. Descriptions of functions and constructions that are well known to one of ordinary skill in the art may be omitted.

[0028]Exemplary embodiments may have different forms, and are not limited to the examples described. However, the examples described are thorough and complete, and convey the full scope of the disclosure to one of ordinary skill in the art.

[0029]An embodiment will now be described with reference to FIGS. 1 to 15B.

[0030]

[0031]First, the passage construction of intake and exhaust of an internal combustion engine 10 of a vehicle will be described.

[...

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PUM

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Abstract

A compressor wheel includes a shaft portion, which extends in the rotation axis direction of the compressor wheel. Blades protrude in the radial direction from the shaft portion. The blades are spaced apart from each other in the circumferential direction of the compressor wheel. The compressor housing has an accommodation space that accommodates the compressor wheel. The compressor housing also has an introduction passage defined therein. The introduction passage is connected to the accommodation space from the intake side and introduces intake air into the accommodation space. Plate-shaped guide vanes protrude from the inner wall surface of the introduction passage. The guide vanes are spaced apart from each other in the circumferential direction of the introduction passage. The number of the guide vanes is the smallest odd number that is greater than the number of the blades.

Description

BACKGROUND1. Field[0001]The present disclosure relates to a turbocharger.2. Description of Related Art[0002]International Publication No. 2015 / 001644 discloses an internal combustion engine including an intake line to which the compressor housing of a turbocharger is attached. The compressor housing includes an accommodation space defined therein to accommodate a compressor wheel. The compressor housing includes an introduction passage defined therein to introduce intake air into the accommodation space. Guide vanes for regulating the flow of intake air protrude from the inner wall surface of the introduction passage. The guide vanes are spaced apart from each other in the circumferential direction of the introduction passage. The accommodation space of the compressor housing accommodates a compressor wheel. The compressor wheel includes a shaft portion, which extends in the rotation axis direction of the compressor wheel, and blades, which protrude radially outward from the shaft p...

Claims

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Application Information

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IPC IPC(8): F04D29/24F01D25/26F01D5/04
CPCF04D29/24F01D5/045F01D25/26F04D29/284F04D29/30F04D29/4213F04D29/4226F04D29/444F01D25/08F01D25/24F02B37/183F02B37/186F01D25/16F01D25/125F05D2250/51F05D2220/40F04D29/666
InventorIGARASHI, NAOKITSUKIYAMA, TAKASHIIKEGAMI, HIROAKIASANO, HIROHITO
OwnerTOYOTA JIDOSHA KK