JPH06288256A - Gas turbine - Google Patents

Gas turbine

Info

Publication number
JPH06288256A
JPH06288256A JP7963293A JP7963293A JPH06288256A JP H06288256 A JPH06288256 A JP H06288256A JP 7963293 A JP7963293 A JP 7963293A JP 7963293 A JP7963293 A JP 7963293A JP H06288256 A JPH06288256 A JP H06288256A
Authority
JP
Japan
Prior art keywords
compressor
compressor housing
connecting member
gas turbine
turbine
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.)
Granted
Application number
JP7963293A
Other languages
Japanese (ja)
Other versions
JP3018824B2 (en
Inventor
Junichi Sayama
純一 佐山
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toyota Motor Corp
Original Assignee
Toyota Motor Corp
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 by Toyota Motor Corp filed Critical Toyota Motor Corp
Priority to JP5079632A priority Critical patent/JP3018824B2/en
Publication of JPH06288256A publication Critical patent/JPH06288256A/en
Application granted granted Critical
Publication of JP3018824B2 publication Critical patent/JP3018824B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

PURPOSE:To provide a gas turbine which can suppress the increase of a clearance between a compressor and a compressor housing even when a suction port and the compressor housing are formed integral. CONSTITUTION:A compressor 101 and an output turbine 102 are provided back to back to a rotary shaft 103, and the rotary shaft 103 is held by a thrust bearing 105 and a radial bearing 106 set to a holding member 104. A compressor housing 107 is connected to the holding member 104 through a connecting member 113, a lubricant passage 114 is buried in the connecting member 113, and the connecting member 113 is heated by the lubricating oil. As a result, even though the compressor 101 is moved in the output turbine 102 direction making the thrust bearing 105 as the standard, in the gas turbine operating condition, the compressor housing 107 is also moved in the same direction and almost the same distance, so as to suppress the increase of the clearance between both members.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明はガスタービンに係わり、
特に片持ち式ガスタービンに関する。
This invention relates to gas turbines,
In particular, it relates to a cantilever type gas turbine.

【0002】[0002]

【従来の技術】ガスタービンは他の熱機関に比較して重
量当たりの出力が大であるため、自動車あるいは発電機
の駆動源としての利用が図られている。しかしながらガ
スタービンは出力タービンを駆動する燃焼ガスが1,3
00〜1,200°Cと非常に高温であること、および
回転数が20,000〜30,000rpmと高速であ
ることからいわゆるクリアランス管理は厳格に行う必要
がある。
2. Description of the Related Art Gas turbines have a large output per weight as compared with other heat engines, and are therefore used as drive sources for automobiles or generators. However, in the gas turbine, the combustion gas that drives the output turbine is 1,3
Due to the extremely high temperature of 00 to 1,200 ° C. and the high rotation speed of 20,000 to 30,000 rpm, so-called clearance management must be strictly performed.

【0003】しかし排気ガスであっても温度は約1,0
00゜C程度あり、排気ガス流路内に軸受を設置するこ
とは困難であり、コンプレッサと出力タービンとを背中
合わせに一軸に配置する形式のガスタービンにあっては
コンプレッサ側の軸にスラスト軸受およびラジアル軸受
を設置する片持ち式とすることが一般的であるため、一
層厳格なクリアランス管理が必要となる。
However, the temperature of exhaust gas is about 1.0
Since it is about 00 ° C, it is difficult to install a bearing in the exhaust gas flow path, and in a gas turbine of the type in which the compressor and the output turbine are arranged back-to-back on a single shaft, thrust bearings and Since the radial bearing is generally a cantilever type, more strict clearance management is required.

【0004】[0004]

【発明が解決しようとする課題】特に吸気口とコンプレ
ッサハウジングとを一体に形成する形式のガスタービン
にあっては、コンプレッサハウジングは吸気によって冷
却されほとんど熱膨張しないのに対し、コンプレッサ自
体は出力タービンからの輻射熱により出力タービン方向
に膨張するためコンプレッサとコンプレッサハウジング
との間のクリアランスが増大し、コンプレッサ効率が低
下する。
Particularly in the gas turbine of the type in which the intake port and the compressor housing are integrally formed, the compressor housing is cooled by the intake air and hardly thermally expands, whereas the compressor itself is the output turbine. Radiant heat from the compressor expands in the direction of the output turbine, increasing the clearance between the compressor and the compressor housing and reducing the compressor efficiency.

【0005】本発明は上記問題点に鑑みなされたもので
あって、吸気口とコンプレッサハウジングとを一体に形
成した場合にもコンプレッサとコンプレッサハウジング
との間のクリアランスの増大を抑制することのできるガ
スタービンを提供することを目的とする。
The present invention has been made in view of the above problems, and it is possible to suppress an increase in the clearance between the compressor and the compressor housing even when the intake port and the compressor housing are integrally formed. The purpose is to provide a turbine.

【0006】[0006]

【課題を解決するための手段】本発明にかかるガスター
ビンは、出力タービンとコンプレッサとが背中合わせに
一軸上に配置された回転体と、回転体をコンプレッサ側
に延長された軸上に設置されるスラスト軸受と、スラス
ト軸受を支持する支持部材と、回転体に配置されたコン
プレッサを覆うコンプレッサハウジングと、支持部材と
前記コンプレッサハウジングとを連結する連結部材と、
から構成され、連結部材に連結部材を加熱する加熱手段
を埋設したことを特徴とする。
A gas turbine according to the present invention is installed on a rotating body in which an output turbine and a compressor are arranged back-to-back on one axis, and on a shaft extending the rotating body to the compressor side. A thrust bearing, a support member that supports the thrust bearing, a compressor housing that covers the compressor arranged in the rotating body, and a connecting member that connects the support member and the compressor housing,
And a heating means for heating the connecting member is embedded in the connecting member.

【0007】[0007]

【作用】本発明にかかるガスタービンにあっては、スラ
スト軸受の支持部材とコンプレッサハウジングとを連結
する連結部材を連結部材に埋設された加熱手段によって
加熱することにより、コンプレッサが熱膨張により連結
部材が確実に軸方向に熱膨脹する。よって出力タービン
方向に移動した場合にもコンプレッサハウジング自体が
同方向に同程度移動し、コンプレッサとコンプレッサハ
ウジングとのクリアランスが維持される。
In the gas turbine according to the present invention, the compressor is thermally expanded so that the connecting member connecting the support member of the thrust bearing and the compressor housing is heated by the heating means embedded in the connecting member. Surely expands in the axial direction. Therefore, even when the compressor housing moves in the direction of the output turbine, the compressor housing itself moves in the same direction to the same extent, and the clearance between the compressor and the compressor housing is maintained.

【0008】[0008]

【実施例】図1は本発明にかかるガスタービンの断面図
であって、コップレッサ101と出力タービン102と
は背中合わせに回転軸103に設置されている。回転軸
103はコンプレッサ101方向に延びており、支持部
材104に設けられた軸受105および106によって
支持されている。
1 is a cross-sectional view of a gas turbine according to the present invention, in which a copressor 101 and an output turbine 102 are installed back to back on a rotary shaft 103. The rotary shaft 103 extends in the direction of the compressor 101 and is supported by bearings 105 and 106 provided on a support member 104.

【0009】軸受105はスラスト軸受であって、回転
軸103の軸方向は軸受105を基準に熱膨張する。従
って運転状態にあってはコンプレッサ101および出力
タービン102は熱膨張によって出力タービン方向に移
動する。なお、軸受106はラジアル軸受であって、回
転軸103の半径方向の動きを拘束する。
The bearing 105 is a thrust bearing, and the axial direction of the rotating shaft 103 thermally expands with the bearing 105 as a reference. Therefore, in the operating state, the compressor 101 and the output turbine 102 move toward the output turbine due to thermal expansion. The bearing 106 is a radial bearing and restrains the movement of the rotating shaft 103 in the radial direction.

【0010】コンプレッサ101はコンプレッサハウジ
ング107に収納されており、回転体であるコンプレッ
サ101と静止体であるコンプレッサハウジング107
の間には適当なクリアランスが設けられている。コンプ
レッサ101で圧縮空気は流路108を介して燃焼器ハ
ウジング109に供給され、その中に収納されている燃
焼器110内において燃料が燃焼し燃焼ガスが生成さ
れ、その燃焼ガスはスクロール111を介して出力ター
ビン102に導かれる。
The compressor 101 is housed in a compressor housing 107. The compressor 101, which is a rotating body, and the compressor housing 107, which is a stationary body.
There is a suitable clearance between them. Compressed air is supplied to the combustor housing 109 via the flow path 108 by the compressor 101, the fuel is burned in the combustor 110 housed therein to generate combustion gas, and the combustion gas is passed through the scroll 111. Are guided to the output turbine 102.

【0011】出力タービン102を駆動した燃焼ガスは
排気流路112によって燃焼器ハウジング109外に放
出される。支持部材104とコンプレッサハウジング1
07とは連結部材113によって連結されている。そし
て連結部材113中には軸受潤滑油流路114が埋設さ
れている。
The combustion gas that has driven the output turbine 102 is discharged to the outside of the combustor housing 109 by the exhaust passage 112. Support member 104 and compressor housing 1
07 is connected by a connecting member 113. A bearing lubricating oil passage 114 is embedded in the connecting member 113.

【0012】軸受潤滑油流路114にはスラスト軸受1
05およびラジアル軸受106の潤滑を確保する潤滑油
が流れるが、潤滑油温度はほぼ軸103と同温であるた
め連結部材113は加熱されて膨張する。従ってコンプ
レッサハウジング107も支持部材104を基準として
出力タービン102方向に移動するため、コンプレッサ
101とコンプレッサハウジング107との間のクリア
ランスの増大が抑制される。
The thrust bearing 1 is installed in the bearing lubricating oil passage 114.
05 and the radial oil that ensures the lubrication of the radial bearing 106 flow, but since the temperature of the lubricating oil is almost the same as that of the shaft 103, the connecting member 113 is heated and expands. Therefore, since the compressor housing 107 also moves in the direction of the output turbine 102 with the support member 104 as a reference, an increase in the clearance between the compressor 101 and the compressor housing 107 is suppressed.

【0013】上記実施例においては支持部材の加熱手段
として潤滑油を使用しているため、潤滑油を冷却するい
わゆるオイルクーラを省略するあるいは容量を削減する
ことができ、ガスタービン装置全体の小型化あるいは軽
量化が可能となる。
In the above embodiment, since the lubricating oil is used as the heating means for the supporting member, the so-called oil cooler for cooling the lubricating oil can be omitted or the capacity can be reduced, and the overall size of the gas turbine apparatus can be reduced. Alternatively, the weight can be reduced.

【0014】[0014]

【発明の効果】本発明にかかるガスタービンによれば、
スラスト軸受の支持部材とコンプレッサハウジングとを
連結する連結部材が例えば潤滑油である加熱手段によっ
て加熱されるため、コンプレッサハウジングがコンプレ
ッサと同方向にほぼ同距離移動し、クリアランスが増大
することが防止される。
According to the gas turbine of the present invention,
Since the connecting member that connects the support member of the thrust bearing and the compressor housing is heated by the heating means which is, for example, lubricating oil, it is possible to prevent the compressor housing from moving in the same direction as the compressor by substantially the same distance and increasing the clearance. It

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

【図1】図1は実施例の断面図である。FIG. 1 is a sectional view of an embodiment.

【符号の説明】[Explanation of symbols]

101…コンプレッサ 102…出力タービン 103…回転軸 104…支持部材 105…スラスト軸受 106…ラジアル軸受 107…コンプレッサハウジング 108…流路 109…燃焼器ハウジング 110…燃焼器 111…スクロール 112…排気流路 113…連結部材 114…潤滑油流路 101 ... Compressor 102 ... Output turbine 103 ... Rotating shaft 104 ... Support member 105 ... Thrust bearing 106 ... Radial bearing 107 ... Compressor housing 108 ... Flow path 109 ... Combustor housing 110 ... Combustor 111 ... Scroll 112 ... Exhaust flow path 113 ... Connecting member 114 ... Lubricating oil flow path

Claims (1)

【特許請求の範囲】[Claims] 【請求項1】 出力タービンとコンプレッサとが背中合
わせに一軸上に配置された回転体と、 該回転体をコンプレッサ側に延長された軸上に設置され
るスラスト軸受と、 該スラスト軸受を支持する支持部材と、 該回転体に配置されたコンプレッサを覆うコンプレッサ
ハウジングと、 前記支持部材と前記コンプレッサハウジングとを連結す
る連結部材と、から構成されるガスタービンにおいて、 前記連結部材に前記連結部材を加熱する加熱手段を埋設
したことを特徴とするガスタービン。
1. A rotating body in which an output turbine and a compressor are arranged back-to-back on a single shaft, a thrust bearing installed on a shaft extending the rotating body toward the compressor, and a support for supporting the thrust bearing. A gas turbine comprising: a member, a compressor housing that covers a compressor disposed on the rotating body, and a connecting member that connects the supporting member and the compressor housing, wherein the connecting member is heated by the connecting member. A gas turbine having a heating means embedded therein.
JP5079632A 1993-04-06 1993-04-06 gas turbine Expired - Lifetime JP3018824B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5079632A JP3018824B2 (en) 1993-04-06 1993-04-06 gas turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5079632A JP3018824B2 (en) 1993-04-06 1993-04-06 gas turbine

Publications (2)

Publication Number Publication Date
JPH06288256A true JPH06288256A (en) 1994-10-11
JP3018824B2 JP3018824B2 (en) 2000-03-13

Family

ID=13695468

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5079632A Expired - Lifetime JP3018824B2 (en) 1993-04-06 1993-04-06 gas turbine

Country Status (1)

Country Link
JP (1) JP3018824B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020063517A1 (en) * 2018-09-30 2020-04-02 至玥腾风科技集团有限公司 Rotor system and control method therefor, and gas turbine generator set and control method therefor

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020063517A1 (en) * 2018-09-30 2020-04-02 至玥腾风科技集团有限公司 Rotor system and control method therefor, and gas turbine generator set and control method therefor

Also Published As

Publication number Publication date
JP3018824B2 (en) 2000-03-13

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