JPS6326727U

JPS6326727U -

Info

Publication number: JPS6326727U
Application number: JP12040986U
Authority: JP
Priority date: 1986-08-07
Filing date: 1986-08-07
Publication date: 1988-02-22

Description

[Brief explanation of the drawing]

第１図は本考案に係わるターボチヤージヤの軸
受装置の一実施例を示すスラスト軸受部の断面図
、第２図及び第３図は夫々他の実施例を示す断面
図、第４図Ａ〜Ｄは夫々第２図及び第３図に示し
た実施例におけるスリーブの変形例を示す斜視図
、第５図は従来のターボチヤージヤの軸受装置の
全体を示す断面図、第６図は同上従来例における
スラスト軸受部の断面図である。１８……回転軸、１９……スラスト軸受、２０
，２５，２６……スラストカラー、２５ａ，２５
ａ，２６ａ……鍔部、２４……コンプレツサイン
ペラ、２１，２５ｂ，２６ｂ……スリーブ、１８
ａ……おねじ部、２０ｂ……めねじ部。 FIG. 1 is a cross-sectional view of a thrust bearing section showing one embodiment of a turbocharger bearing device according to the present invention, FIGS. 2 and 3 are cross-sectional views showing other embodiments, and FIGS. 4A to D are A perspective view showing a modified example of the sleeve in the embodiment shown in FIGS. 2 and 3, respectively, FIG. 5 is a sectional view showing the entire conventional turbocharger bearing device, and FIG. 6 is a thrust bearing in the conventional example. FIG. 18... Rotating shaft, 19... Thrust bearing, 20
, 25, 26... Thrust collar, 25a, 25
a, 26a...flange, 24...complex impeller, 21, 25b, 26b...sleeve, 18
a...Male thread part, 20b...Female thread part.

Claims

[Scope of utility model registration request]

Two thrust collars are provided at two separate positions on the outer periphery of the rotating shaft that connects the compressor impeller of the turbocharger and the turbine rotor, and an annular ring is fitted around the shaft between the thrust collars. 1. A bearing device for a turbocharger comprising a thrust bearing, wherein the rotating shaft and the thrust collar are fixed to each other by fitting with a screw in a direction opposite to the rotational direction of the shaft.