JPS611693U

JPS611693U - compressor impeller

Info

Publication number: JPS611693U
Application number: JP8648884U
Authority: JP
Inventors: 宏小松
Original assignee: 日産自動車株式会社
Priority date: 1984-06-11
Filing date: 1984-06-11
Publication date: 1986-01-08

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は従来の圧縮機インペラの取付け構造の一例を示
す断面図、第２図はその特殊ワッシャの平面図、第３図
は本考案圧縮機インペラを軸に組付けた状態を一例とし
て示す断面図、第４図はその圧縮機インペラの組付け前
の形態を示す断面図である。１・・・タービン軸、ＩＡ・・・小径部、１Ｂ・・・ね
じ部、２・・・圧縮機インペラ、２Ａ・・・軸孔、２Ｂ
，２Ｃ・・・リング溝、２Ｄ，２Ｅ・・・周縁部、３・
・・スラストカラ、４・・・スペーサ、３Ａ，４Ａ
・・・嵌合孔、３Ｂ，４Ｂ・・・すき間、５，６・・・
ワッシャ、５Ａ，６Ａ・・・環状突起、７・・・ナット
、２０・・・圧縮機インペラ、２０Ａ・・・軸孔、２１
・・・スラストカラ、２１Ａ・・・面取り部、２２Ａ，
２２Ｂ・・・締結面、２３Ａ，２３Ｂ・・・突出部、２
７・・・ナット、２７Ａ・・・面取り部。Figure 1 is a sectional view showing an example of a conventional compressor impeller mounting structure, Figure 2 is a plan view of the special washer, and Figure 3 is an example of the compressor impeller of the present invention assembled on a shaft. FIG. 4 is a cross-sectional view showing the compressor impeller before assembly. 1... Turbine shaft, IA... Small diameter part, 1B... Threaded part, 2... Compressor impeller, 2A... Shaft hole, 2B
, 2C...Ring groove, 2D, 2E...Periphery, 3.
...Thrust collar, 4...Spacer, 3A, 4A
...Fitting hole, 3B, 4B...Gap, 5,6...
Washer, 5A, 6A... Annular projection, 7... Nut, 20... Compressor impeller, 20A... Shaft hole, 21
... Thrust collar, 21A... Chamfered portion, 22A,
22B... fastening surface, 23A, 23B... protrusion, 2
7... Nut, 27A... Chamfered part.

Claims

[Scope of utility model registration request]

In a compressor impeller that is loosely fitted onto a turbine shaft and fastened and fixed with a nut, a peripheral portion of a shaft hole protrudes from the fastening surfaces at both ends of the compressor impeller along the shaft hole, and a protruding portion is formed. a chamfered portion is formed in a peripheral portion of the shaft hole corresponding to the protruding portion of the fastening-related member that contacts the fastening surface, and the chamfered portion connects the protruding portion to the turbine shaft when fastening with the nut. A compressor impeller characterized by being deformed and fixed on the axial center side of the compressor.