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
Application number
JP9386789U
Other languages
Japanese (ja)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9386789U priority Critical patent/JPH0335203U/ja
Publication of JPH0335203U publication Critical patent/JPH0335203U/ja
Pending legal-status Critical Current

Links

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  • Supercharger (AREA)
  • Control Of Turbines (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

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)

【実用新案登録請求の範囲】 １ 排気タービン過給機の側板を、ノズル翼に対
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.
JP9386789U 1989-08-11 1989-08-11 Pending JPH0335203U (en)

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)

* Cited by examiner, † Cited by third party
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 博世马勒涡轮系统有限两合公司 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

Cited By (16)

* Cited by examiner, † Cited by third party
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 博世马勒涡轮系统有限两合公司 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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