JPH0335203U - - Google Patents
Info
- Publication number
- JPH0335203U JPH0335203U JP9386789U JP9386789U JPH0335203U JP H0335203 U JPH0335203 U JP H0335203U JP 9386789 U JP9386789 U JP 9386789U JP 9386789 U JP9386789 U JP 9386789U JP H0335203 U JPH0335203 U JP H0335203U
- Authority
- JP
- Japan
- Prior art keywords
- nozzle
- side plate
- turbine supercharger
- exhaust turbine
- blade
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000000694 effects Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Supercharger (AREA)
- Control Of Turbines (AREA)
Description
第１図は本考案に係る排気タービン過給機の可
変ノズル装置におけるノズル側板とノズル翼部分
の一実施例を示す断面図、第２図は第１図の−
線に沿う断面図、第３図はノズル側板を保持す
る特殊ノズル翼のノズル軸の側面図、第４図は第
３図の方向矢視図、第５図は可変ノズル翼のノ
ズル軸の側面図、第６図は従来の可変ノズル装置
を備えた排気タービン過給機のガス側部分の断面
図である。
４ａ……固定側板、５……ガス入口ケーシング
、６……ガス出口案内筒、７……可変ノズル翼、
７ａ……特殊ノズル翼、８……ノズル軸、１４…
…ガスシールリング、１４ａ……ガスラビリンス
、１８……ノズル側板。
FIG. 1 is a sectional view showing an embodiment of the nozzle side plate and nozzle blade portion of the variable nozzle device for an exhaust turbine supercharger according to the present invention, and FIG.
3 is a side view of the nozzle axis of the special nozzle blade that holds the nozzle side plate, Figure 4 is a view taken in the direction of the arrow in Figure 3, and Figure 5 is a side view of the nozzle axis of the variable nozzle blade. 6 are cross-sectional views of the gas side portion of an exhaust turbine supercharger equipped with a conventional variable nozzle device. 4a...Fixed side plate, 5...Gas inlet casing, 6...Gas outlet guide tube, 7...Variable nozzle blade,
7a...Special nozzle blade, 8...Nozzle shaft, 14...
...Gas seal ring, 14a...Gas labyrinth, 18...Nozzle side plate.
Claims (1)
向する部分に位置するリング状に形成されたノズ
ル側板とその他の部分の固定側板とに分割し、前
記ノズル側板はノズル翼のノズル軸先端部分に遊
挿されて半径方向および軸方向に自由度を以て保
持されていることを特徴とする排気タービン過給
機の可変ノズル装置。 ２ ノズル翼は可変ノズル翼と特殊ノズル翼とか
ら成り、前記特殊ノズル翼は可変ノズル翼の間に
所定間隔で設けられているとともに、特殊ノズル
翼のノズル軸先端部分でノズル側板を保持してい
ることを特徴とする請求項１記載の排気タービン
過給機の可変ノズル装置。 ３ ノズル側板の外周部分にガスラビリンスを、
また内周部分にガスシールリングを夫々設けたこ
とを特徴とする請求項１または２記載の排気ター
ビン過給機の可変ノズル装置。 ４ 排気タービン過給機のガス入口ケーシングの
内側とノズル側板および固定側板とで囲まれる独
立空間を形成し、この独立空間に圧力空気または
排気ガスを導入してシール効果を高める機能を設
けたことを特徴とする請求項３記載の排気タービ
ン過給機の可変ノズル装置。 ５ 圧力空気または排気ガスの圧力によりノズル
側板に一定力をノズル翼頂側へ加える機能を持た
せたことを特徴とする請求項４記載の排気タービ
ン過給機の可変ノズル装置。[Claims for Utility Model Registration] 1. A side plate of an exhaust turbine supercharger is divided into a ring-shaped nozzle side plate located in a portion facing the nozzle blade and a fixed side plate in the other portion, and the nozzle side plate A variable nozzle device for an exhaust turbine supercharger, characterized in that the variable nozzle device is loosely inserted into a nozzle shaft tip portion of a nozzle blade and is held with a degree of freedom in the radial and axial directions. 2. The nozzle blade consists of a variable nozzle blade and a special nozzle blade, and the special nozzle blade is provided at a predetermined interval between the variable nozzle blades, and the nozzle side plate is held at the tip of the nozzle shaft of the special nozzle blade. 2. The variable nozzle device for an exhaust turbine supercharger according to claim 1. 3 Install a gas labyrinth around the outer periphery of the nozzle side plate.
3. The variable nozzle device for an exhaust turbine supercharger according to claim 1, further comprising a gas seal ring provided on each inner peripheral portion. 4. An independent space is formed that is surrounded by the inside of the gas inlet casing of the exhaust turbine supercharger, the nozzle side plate, and the fixed side plate, and a function is provided to enhance the sealing effect by introducing pressurized air or exhaust gas into this independent space. The variable nozzle device for an exhaust turbine supercharger according to claim 3, characterized in that: 5. The variable nozzle device for an exhaust turbine supercharger according to claim 4, wherein the nozzle side plate has a function of applying a constant force to the top side of the nozzle blade using the pressure of compressed air or exhaust gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9386789U JPH0335203U (en) | 1989-08-11 | 1989-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9386789U JPH0335203U (en) | 1989-08-11 | 1989-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0335203U true JPH0335203U (en) | 1991-04-05 |
Family
ID=31643228
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9386789U Pending JPH0335203U (en) | 1989-08-11 | 1989-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0335203U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006200413A (en) * | 2005-01-19 | 2006-08-03 | Toyota Motor Corp | Variable displacement turbocharger |
| JP2007040251A (en) * | 2005-08-05 | 2007-02-15 | Ishikawajima Harima Heavy Ind Co Ltd | Variable nozzle device for variable capacity supercharger |
| WO2009081642A1 (en) * | 2007-12-21 | 2009-07-02 | Mitsubishi Heavy Industries, Ltd. | Variable capacity-type exhaust turbo supercharger equipped with variable nozzle mechanism |
| CN103375197A (en) * | 2012-04-17 | 2013-10-30 | 博世马勒涡轮***有限两合公司 | Variable turbine/compressor geometry |
| JP2015140739A (en) * | 2014-01-29 | 2015-08-03 | 株式会社Ihi | Variable displacement supercharger |
| CN105283647A (en) * | 2013-07-04 | 2016-01-27 | 株式会社Ihi | Actuator power transmission mechanism and supercharger |
-
1989
- 1989-08-11 JP JP9386789U patent/JPH0335203U/ja active Pending
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006200413A (en) * | 2005-01-19 | 2006-08-03 | Toyota Motor Corp | Variable displacement turbocharger |
| JP4543937B2 (en) * | 2005-01-19 | 2010-09-15 | トヨタ自動車株式会社 | Variable capacity turbocharger |
| JP2007040251A (en) * | 2005-08-05 | 2007-02-15 | Ishikawajima Harima Heavy Ind Co Ltd | Variable nozzle device for variable capacity supercharger |
| JP4547718B2 (en) * | 2005-08-05 | 2010-09-22 | 株式会社Ｉｈｉ | Variable nozzle device for variable capacity turbocharger |
| WO2009081642A1 (en) * | 2007-12-21 | 2009-07-02 | Mitsubishi Heavy Industries, Ltd. | Variable capacity-type exhaust turbo supercharger equipped with variable nozzle mechanism |
| KR101146641B1 (en) * | 2007-12-21 | 2012-05-16 | 미츠비시 쥬고교 가부시키가이샤 | Variable capacity-type exhaust turbo supercharger equipped with variable nozzle mechanism |
| US8376696B2 (en) | 2007-12-21 | 2013-02-19 | Mitsubishi Heavy Industries, Ltd. | Variable-capacity exhaust turbocharger equipped with variable-nozzle mechanism |
| EP2136048B1 (en) | 2007-12-21 | 2018-12-19 | Mitsubishi Heavy Industries Engine & Turbocharger, Ltd. | Variable capacity type exhaust turbocharger equipped with variable nozzle mechanism |
| CN103375197A (en) * | 2012-04-17 | 2013-10-30 | 博世马勒涡轮***有限两合公司 | Variable turbine/compressor geometry |
| JP6056973B2 (en) * | 2013-07-04 | 2017-01-11 | 株式会社Ihi | Actuator power transmission mechanism and supercharger |
| CN105283647A (en) * | 2013-07-04 | 2016-01-27 | 株式会社Ihi | Actuator power transmission mechanism and supercharger |
| US10107186B2 (en) | 2013-07-04 | 2018-10-23 | Ihi Corporation | Actuator power transmission mechanism and turbocharger |
| CN105745415A (en) * | 2014-01-29 | 2016-07-06 | 株式会社Ihi | Variable displacement supercharger |
| WO2015114965A1 (en) * | 2014-01-29 | 2015-08-06 | 株式会社Ihi | Variable displacement supercharger |
| JP2015140739A (en) * | 2014-01-29 | 2015-08-03 | 株式会社Ihi | Variable displacement supercharger |
| US10309248B2 (en) | 2014-01-29 | 2019-06-04 | Ihi Corporation | Variable geometry system turbocharger |
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