JPS59110425U

JPS59110425U - Mechanical turbocharger bearing structure

Info

Publication number: JPS59110425U
Application number: JP418483U
Authority: JP
Inventors: 靖佐藤
Original assignee: トヨタ自動車株式会社
Priority date: 1983-01-18
Filing date: 1983-01-18
Publication date: 1984-07-25

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図は機械式過給機として使用されるルーツ式ポンプ
の略断面図、第２図は第１図の丸棒部の拡大図、第３図
は第２図の線■−■に沿って見た断面図である。１・・・ハウジング、２・・・ロータ、３・・・ロータ
シャフト、４．５・・・軸受、５１・・・外輪、５４・
・・深部、７・・・ハウジング壁、７１・・・溝、８・
・・小片部材。Figure 1 is a schematic cross-sectional view of a Roots pump used as a mechanical supercharger, Figure 2 is an enlarged view of the round bar part in Figure 1, and Figure 3 is taken along the line ■-■ in Figure 2. FIG. DESCRIPTION OF SYMBOLS 1... Housing, 2... Rotor, 3... Rotor shaft, 4.5... Bearing, 51... Outer ring, 54...
...Deep part, 7...Housing wall, 71...Groove, 8.
...Small pieces.

Claims

[Scope of utility model registration request]

The rotor is inserted into a housing with both ends supported by bearings, and a plurality of deep portions are provided on the outer ring circumferential surface of the bearing on one end side, and the plurality of deep portions are provided on the housing wall surface to receive the bearing on the one end side. A bearing structure for a mechanical supercharger, in which a groove extending in the axial direction is provided in a relationship corresponding to the groove, and a small piece member extending in the axial direction is interposed between the deep part and the groove.