JPH01158525U

JPH01158525U -

Info

Publication number: JPH01158525U
Application number: JP5082288U
Authority: JP
Priority date: 1988-04-15
Filing date: 1988-04-15
Publication date: 1989-11-01

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例のインペラの断面
図、第２図はこの実施例のハブ部の断面図、第３
図はこの実施例のハブ部の側面図、第４図は他の
実施例のタービンホイールの断面図、第５図は第
４図のＡ矢視図、第６図Ａ、第６図Ｂは翼とター
ビン軸とのなす角度と翼に作用する衝撃荷重との
関係を説明するための図、第７図Ａ、第７図Ｂは
他の実施例の翼先端部の中心線とそれに対する翼
形状を説明するための図、第８図は従来例の断面
図である。１……タービン軸、２……インペラ、３……ナ
ツト、１１……ハブ部、１１Ａ……内層、１１Ｂ
……外層、１２……翼部、１５……タービンホイ
ール、１６……翼部、１６Ａ……翼先端部。 Fig. 1 is a sectional view of an impeller according to an embodiment of this invention, Fig. 2 is a sectional view of a hub portion of this embodiment, and Fig. 3 is a sectional view of an impeller according to an embodiment of this invention.
The figure is a side view of the hub part of this embodiment, FIG. 4 is a sectional view of a turbine wheel of another embodiment, FIG. 5 is a view taken in the direction of arrow A in FIG. 4, and FIGS. 6A and 6B are Figures 7A and 7B are diagrams for explaining the relationship between the angle between the blade and the turbine shaft and the impact load acting on the blade, and Figures 7A and 7B show the center line of the blade tip of another embodiment and the blade in relation to it. FIG. 8, which is a diagram for explaining the shape, is a sectional view of a conventional example. DESCRIPTION OF SYMBOLS 1... Turbine shaft, 2... Impeller, 3... Nut, 11... Hub part, 11A... Inner layer, 11B
...Outer layer, 12...Blade section, 15...Turbine wheel, 16...Blade section, 16A...Blade tip section.

Claims

[Scope of utility model registration request]

In a turbocharger in which a turbine shaft passes through a hub portion of an impeller formed of plastic, and the impeller is fixed to the turbine shaft by tightening a nut from the protruding end of the turbine shaft, the inner peripheral side of the hub portion A turbocharger characterized in that the cylindrical part is made of long-fiber carbon fiber-reinforced plastic whose fiber direction is aligned in the direction of the turbine axis, and the outer cylindrical part is aligned in the circumferential direction of the turbine axis.