JPS58120824U

JPS58120824U - turbo supercharger

Info

Publication number: JPS58120824U
Application number: JP1662782U
Authority: JP
Inventors: 譲治三宅; 良雄不破
Original assignee: トヨタ自動車株式会社
Priority date: 1982-02-09
Filing date: 1982-02-09
Publication date: 1983-08-17

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 the drawing]

第１図は本考案の実施例に係るターボ過給機の断面図、
第２図および第３図はそれぞれ本考案の異なる実施例に
係るターボ過給機のロータシャフトの断面図、第４図は
ベアリング温度測定結果を表わすグラフ、第５図はロー
タシャ外の温度測定結果を表わすグラフである。１０・・・タービン、１２・・・コンプレッサ、１４・
・・ロータシャフト、２４・・・中空部。第４図 μＪ　　（Ｂ）　　（Ｃ）　　（Ｄ）　　（Ｅ）−第５
図　　　−FIG. 1 is a sectional view of a turbocharger according to an embodiment of the present invention;
Figures 2 and 3 are cross-sectional views of the rotor shaft of a turbocharger according to different embodiments of the present invention, Figure 4 is a graph showing the bearing temperature measurement results, and Figure 5 is the temperature measurement results outside the rotor shaft. This is a graph representing 10...Turbine, 12...Compressor, 14.
...Rotor shaft, 24...Hollow part. Figure 4 μJ (B) (C) (D) (E) - 5th
Figure -

Claims

[Scope of utility model registration request]

(1) A turbine rotated by engine exhaust gas,
In a turbocharger having a compressor for pressurizing engine supply air connected to the turbine via a rotor shaft, the rotor shaft is hollow, and a material having a specific heat lower than that of the rotor shaft material is placed in the hollow portion. A turbo supercharger characterized by being filled with.

(2) The turbo supercharger according to claim 1, wherein the hollow portion is provided eccentrically from the rotor shaft axis.

(3) The turbo supercharger according to claim 1 or 2, wherein the substance having a low specific heat is filled in a hollow portion so as to form a void.

(4) The turbo supercharger according to any one of claims 1 to 3, wherein the low specific heat substance is sodium.