JPS5919927U

JPS5919927U - turbo supercharger

Info

Publication number: JPS5919927U
Application number: JP11337182U
Authority: JP
Inventors: 及川　忠雄
Original assignee: Isuzu Motors Ltd
Current assignee: Isuzu Motors Ltd
Priority date: 1982-07-28
Filing date: 1982-07-28
Publication date: 1984-02-07
Also published as: JPS6240094Y2

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図は従来のターボ過給機のタービン車室を示す断面
図、第２図は従来のタービン車室に隔壁を有するターボ
過給機のタービン車室を示す側断面図、第３図は本考案
の一実施例を示す部分切開正面図、第４図は第９図の側
断面図、第５図は第３図の■−Ｖ線矢視断面図、第６図
は第３図の■−ＶＩ線矢視断面図、第７図は第２実施例
を示す部分切開正面図、第８図は第７図の１−■線断面
拡大矢視図である。図中、２はタービン翼車、１１はタービンハウジング、
１２はスクロール部、１４はタービン車室、１６は仕切
板、１７は排ガス噴出口、１δは排ガス通路室、２２．
４２は仕切板作動手段、Ｂは形状記憶合金スプリング、
Ｅは内燃機関である。第６図場−Fig. 1 is a cross-sectional view showing the turbine casing of a conventional turbocharger, Fig. 2 is a side sectional view showing the turbine casing of a conventional turbocharger having a partition wall, and Fig. 3 is a sectional view showing the turbine casing of a conventional turbocharger. 4 is a side sectional view of FIG. 9, FIG. 5 is a sectional view taken along the line ■-V of FIG. 3, and FIG. 6 is a sectional view of FIG. 7 is a partially cutaway front view showing the second embodiment, and FIG. 8 is an enlarged sectional view taken along the line 1--■ in FIG. 7. In the figure, 2 is a turbine wheel, 11 is a turbine housing,
12 is a scroll portion, 14 is a turbine casing, 16 is a partition plate, 17 is an exhaust gas outlet, 1δ is an exhaust gas passage chamber, 22.
42 is a partition plate operating means, B is a shape memory alloy spring,
E is an internal combustion engine. Figure 6 -

Claims

[Claims for Utility Model Registration] 1. A turbo supercharger having a scroll portion that surrounds a turbine wheel and defines a turbine chamber in order to rotate the turbine wheel by exhaust gas exhausted from an internal combustion engine, a partition plate that is provided along the circumferential direction of the scroll part, faces the peripheral edge of the turbine wheel and forms an exhaust gas passage chamber having an exhaust gas outlet, and is movable in the radial direction; The exhaust gas temperature, which changes depending on the engine speed, is sensed, and when the temperature exceeds a set temperature, the partition plate is moved away from the peripheral edge of the turbine wheel, and when the exhaust gas temperature is below the set temperature, the partition plate is moved away from the periphery of the turbine wheel. A turbo supercharger comprising a partition plate actuating means made of a shape memory alloy that is memorized to bring the plate close to the peripheral edge. 2. The above utility model, wherein the partition plate actuating means is formed by a shape memory alloy spring that is stored to contract when the temperature exceeds the set temperature and expand when the temperature is below the set temperature to operate the partition plate. A turbocharger according to claim 1. 3. The turbo supercharger according to claims 1 and 2, wherein the partition plate operating means is configured to operate in response to the temperature of exhaust gas flowing into the turbine compartment.