JPS58180339U

JPS58180339U - turbo charger

Info

Publication number: JPS58180339U
Application number: JP7816382U
Authority: JP
Inventors: 東作高村
Original assignee: 日産自動車株式会社
Priority date: 1982-05-27
Filing date: 1982-05-27
Publication date: 1983-12-02

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図は従来装置の断面図、第２図は第１図のＩ−Ｉ線
断面図である。第３図は本考案の実施例を示す断面図、
第４図はタービンスクロール入口部の断面図である。第
５図Ａ、　Ｂ、　Ｃはそれぞれ切換弁の作動特性を示す
説明図である。２・・・タービンスクロール、３・・・タービンロータ
、４・・・シャフト、６・・・ケーシング、７・・・隔
壁、８゜９・・・通路、１０．１１・・・入口、１４・
・・切換弁１、　１６・・・コントローラ、１７・・・
アクチュエータ。FIG. 1 is a sectional view of a conventional device, and FIG. 2 is a sectional view taken along the line II in FIG. 1. FIG. 3 is a sectional view showing an embodiment of the present invention;
FIG. 4 is a sectional view of the turbine scroll inlet. 5A, B, and C are explanatory diagrams showing the operating characteristics of the switching valve, respectively. 2... Turbine scroll, 3... Turbine rotor, 4... Shaft, 6... Casing, 7... Partition wall, 8° 9... Passage, 10.11... Inlet, 14...
...Switching valve 1, 16...Controller, 17...
actuator.

Claims

[Scope of utility model registration request]

In a turbocharger equipped with a turbine that rotates using exhaust energy and a compressor driven by the turbine, a partition wall is provided that divides the inside of the turbine scroll into two from the inlet to the outer circumference of the turbine rotor, and the partition between these two parallel scrolls is A turbo characterized in that the ratio A/R between the inlet area A and the eccentricity R from the rotor rotation axis to the center of the inlet is set differently, and one inlet is provided with a switching valve that opens according to the engine speed. Charger.