JP2020023305A - 航空機のための圧搾空気システム及び関連する方法 - Google Patents
航空機のための圧搾空気システム及び関連する方法 Download PDFInfo
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- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C9/00—Controlling gas-turbine plants; Controlling fuel supply in air- breathing jet-propulsion plants
- F02C9/16—Control of working fluid flow
- F02C9/18—Control of working fluid flow by bleeding, bypassing or acting on variable working fluid interconnections between turbines or compressors or their stages
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- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D13/00—Arrangements or adaptations of air-treatment apparatus for aircraft crew or passengers, or freight space, or structural parts of the aircraft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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Abstract
Description
第1の空気源(243)から空気を受け取るための圧縮機入口(240)と、
航空機の環境制御システム(ECS:environmental control system)(202)に圧搾空気を供給するための圧縮機出口(242)とを有する圧縮機(204)と、
第2の空気源(267)から空気を受け取るためのタービン入口(268)を有するタービン(208)と、
アクセサリギアボックス(252)の出力軸(260)と圧縮機との間で動作可能に連結される第1のオーバーラニングクラッチ(261)であって、アクセサリギアボックスが、航空機のエンジン(108)から延びる駆動軸(206)に動作可能に連結される、第1のオーバーラニングクラッチ(261)と、
圧縮機とタービンとの間で動作可能に連結される第2のオーバーラニングクラッチ(265)と、を備え、
第1のオーバーラニングクラッチ及び第2のオーバーラニングクラッチは、アクセサリギアボックスが第1の動作モードの間に圧縮機を駆動することを可能とし、タービンが第2の動作モードの間に圧縮機を駆動することを可能とする、圧搾空気システム(200)。
第1の通路をエンジンのファンダクト(216)へと流体連結させる第2の通路(290)と、
第2の通路に動作可能に連結されるファンダクト入口弁(292)であって、第3の動作モードの間には、圧縮機出口により供給された圧搾空気を、エンジンのファンダクトへと方向付けるため開いているファンダクト入口弁(292)と、をさらに備える、条項2に記載の圧搾空気システム。
上記通路に動作可能に連結されるタービン入口弁(272又は273)であって、第1の動作モードの間には、タービン入口弁は、抽気がタービンに供給されないように閉じており、第2の動作モードの間には、タービン入口弁は、タービンに動力を供給して圧縮機を駆動するために、高圧圧縮機からタービン入口へと抽気を供給するために開いている、タービン入口弁(272又は273)と、をさらに備える、条項5に記載の圧搾空気システム。
第3の動作モードの間には、高圧空気が、アクセサリギアボックスを駆動してエンジンを始動させるために、始動タービンに供給される、条項1に記載の圧搾空気システム。
コントローラを介して、航空機のエンジン(108)の動作速度を定めることと、
動作速度が閾値速度を下回るときには、圧搾空気システムを第2の動作モードで動かすことであって、タービンに動力を供給して圧縮機を駆動して圧搾空気を発生させるために抽気がタービンに供給されるように、タービンとエンジンの抽気ポート(271)との間に配置されたタービン入口弁(272及び/又は273)を開くための命令信号をコントローラを介して送信することによって、第2の動作モードで動かすことと
を含む、方法。
第1の動作モードで圧搾空気システムを動かす前に、圧搾空気システムを第3の動作モードで動かすことであって、アクセサリギアボックスに動力を供給してエンジン始動させるためタービンを駆動するために高圧空気がタービンに供給されるように、高圧空気源とタービンとの間に配置されたタービン始動弁(285)を開けるための命令信号を、コントローラを介して送信することによって、第3の動作モードで動かすことをさらに含む、条項10に記載の方法。
第3の動作モードの間に、圧縮機出口を出た空気をエンジンのファンダクトへと方向付けるためにファンダクト入口弁を開けるための命令信号を、コントローラを介して送信すること
をさらに含む、条項12に記載の方法。
第1の動作モードで圧搾空気システムを動かす前に、圧搾空気システムを第3の動作モードで動かすことであって、アクセサリギアボックスに動力を供給してエンジンを始動させるため始動タービンを駆動するために高圧空気が始動タービンに供給されるように、高圧空気源と始動タービンとの間に配置されたタービン始動弁(285)を開けるための命令信号を、コントローラを介して送信することによって、第3の動作モードで動かすことをさらに含む、条項10に記載の方法。
エンジン(108)から延びる駆動軸(206)に動作可能に連結され、前記駆動軸(206)により動力が供給されるアクセサリギアボックス(252)と、を備える航空機システム(100)であって、
圧搾空気システム(200)が、
圧搾空気を介して稼働するシステムに流体連結される圧縮機出口(242)を有しており、アクセサリギアボックスに動作可能に連結される圧縮機(204)と、
タービン(208)と、
圧縮機とタービンとの間に動作可能に連結されるオーバーラニングクラッチ(265)と、を備え、
アクセサリギアボックスが、第1の動作モードにおいて、圧搾空気を発生させるために圧縮機を駆動するためのものであり、タービンが、第2の動作モードにおいて、圧搾空気を発生させるために圧縮機を駆動するためのものであり、オーバーラニングクラッチが、アクセサリギアボックスが第1の動作モードにおいて圧縮機を駆動する間に、圧縮機をタービンから切断するためのものである、航空機(100)。
アクセサリギアボックスと圧縮機との間に動作可能に連結される第2のオーバーラニングクラッチ(261)であって、タービンが第2の動作モードにおいて圧縮機を駆動する間に、圧縮機をアクセサリギアボックスから切断するための第2のオーバーラニングクラッチ(261)をさらに備える、条項16に記載の航空機。
Claims (10)
- 航空機(100)のための圧搾空気システム(200)であって、
前記圧搾空気システム(200)が、
第1の空気源(243)から空気を受け取るための圧縮機入口(240)と、前記航空機(100)の環境制御システム(ECS:environmental control system)(202)に圧搾空気を供給するための圧縮機出口(242)とを有する圧縮機(204)と、
第2の空気源(267)から空気を受け取るためのタービン入口(268)を有するタービン(208)と、
アクセサリギアボックス(252)の出力軸(260)と前記圧縮機(204)との間で動作可能に連結される第1のオーバーラニングクラッチ(261)であって、前記アクセサリギアボックス(252)が、前記航空機(100)のエンジン(108)から延びる駆動軸(206)に動作可能に連結される、第1のオーバーラニングクラッチ(261)と、
前記圧縮機(204)と前記タービン(108)との間で動作可能に連結される第2のオーバーラニングクラッチ(265)と、
を備え、
前記第1のオーバーラニングクラッチ及び前記第2のオーバーラニングクラッチ(261、265)は、前記アクセサリギアボックス(252)が第1の動作モードの間に前記圧縮機(204)を駆動することを可能とし、前記タービン(208)が第2の動作モードの間に前記圧縮機(204)を駆動することを可能とする、圧搾空気システム(200)。 - 前記アクセサリギアボックス(252)の始動入力軸(275)と前記タービン(208)との間で動作可能に連結される第3のオーバーラニングクラッチ(276)を更に備え、第3の動作モードの間には、高圧空気が、前記始動入力軸を駆動して前記エンジン(108)を始動させるために、前記タービン(208)に供給される、請求項1に記載の圧搾空気システム(200)。
- 前記タービン(208)が、前記タービン(208)から前記アクセサリギアボックス(252)の前記始動入力軸へとギア減速を提供する遊星ギアボックス(280)を介して、前記第3のオーバーラニングクラッチに動作可能に連結される、請求項1又は2に記載の圧搾空気システム(200)。
- 前記圧縮機出口(242)と前記ECS(202)とを流体連結させる第1の通路(247)と、
前記第1の通路を前記エンジン(108)のファンダクト(216)へと流体連結させる第2の通路(290)と、
前記第2の通路に動作可能に連結されるファンダクト入口弁(292)であって、前記第3の動作モードの間には、前記圧縮機出口(242)により供給された前記圧搾空気を前記エンジン(108)の前記ファンダクトへと方向付けるため開いているファンダクト入口弁(292)と、
をさらに備える、請求項1から3のいずれか一項に記載の圧搾空気システム(200)。 - 前記第2の空気源が、前記エンジンの高圧圧縮機からの抽気であり、
前記圧搾空気システム(200)が、
前記高圧圧縮機の抽気ポート(271)と前記タービン入口(268)とを流体連結させる通路(270)と、
前記通路に動作可能に連結されるタービン入口弁(272又は273)であって、前記第1の動作モードの間には、前記タービン入口弁は、抽気が前記タービン(208)に供給されないように閉じており、前記第2の動作モードの間には、前記タービン入口弁は、前記圧縮機(204)を駆動するため前記タービン(208)に動力を供給するために、前記高圧圧縮機から前記タービン入口(268)へと抽気を供給するために開いている、タービン入口弁(272又は273)と、
をさらに備える、請求項1から4のいずれか一項に記載の圧搾空気システム(200)。 - 前記第1の空気源(243)が、前記エンジン(108)のファンダクト(216)からのファン空気であり、前記第2の空気源(267)が、前記エンジン(108)の高圧圧縮機(226)からの抽気である、請求項1から5のいずれか一項に記載の圧搾空気システム(200)。
- 前記アクセサリギアボックス(252)の始動入力軸(275)と動作可能に連結される始動タービン(602)を更に備え、
第3の動作モードの間には、高圧空気が、前記アクセサリギアボックス(252)を駆動して前記エンジン(108)を始動させるために、前記始動タービンに供給される、請求項1から6のいずれか一項に記載の圧搾空気システム(200)。 - 第1の動作モードにおいて、以下のような圧搾空気システム(200)、即ち、
第1のオーバーラニングクラッチ(261)を介してアクセサリギアボックス(252)に動作可能に連結される圧縮機(204)であって、前記圧縮機(204)の圧縮機出口(242)は圧搾空気を受け取る航空機(100)の1つ以上のシステム(202)に流体連結される、圧縮機(204)と、
第2のオーバーラニングクラッチ(265)を介して前記圧縮機(204)に動作可能に連結されるタービン(208)であって、前記第1の動作モードの間には、前記アクセサリギアボックス(252)が、前記圧搾空気を発生させるために前記圧縮機(204)を駆動する、タービン(208)と、
を備える圧搾空気システム(200)を、コントローラ(293)を介して動かすことと、
前記コントローラを介して、前記航空機(100)のエンジン(108)の動作速度を定めることと、
前記動作速度が閾値速度を下回るときには、前記圧搾空気システム(200)を第2の動作モードで動かすことであって、前記タービン(208)に動力を供給して前記圧縮機(204)を駆動して前記圧搾空気を発生させるために抽気が前記タービン(208)に供給されるように、前記タービン(208)と前記エンジン(108)の抽気ポート(271)との間に配置されたタービン入口弁(272及び/又は273)を開くための命令信号を前記コントローラを介して送信することによって、第2の動作モードで動かすことと
を含む、方法。 - 前記動作速度が前記閾値速度を上回るときには、前記タービン入口弁を閉じるための命令信号を前記コントローラを介して送信することによって、前記圧搾空気システム(200)を前記第1の動作モードで動かすことをさらに含む、請求項8に記載の方法。
- 前記タービン(208)が、第3のオーバーラニングクラッチ(276)を介して前記アクセサリギアボックス(252)に動作可能に連結され、前記方法が、
前記第1の動作モードで前記圧搾空気システム(200)を動かす前に、前記圧搾空気システム(200)を第3の動作モードで動かすことであって、前記タービン(208)を駆動して前記アクセサリギアボックス(252)に動力を供給して前記エンジン(108)を始動させるために高圧空気が前記タービン(208)に供給されるように、高圧空気源と前記タービン(208)との間に配置されたタービン始動弁(285)を開けるための命令信号を、前記コントローラを介して送信することによって、第3の動作モードで動かすことをさらに含む、請求項8又は9に記載の方法。
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CN110615106A (zh) | 2019-12-27 |
US10954865B2 (en) | 2021-03-23 |
CN110615106B (zh) | 2024-03-12 |
EP3584165A1 (en) | 2019-12-25 |
US20190383220A1 (en) | 2019-12-19 |
EP3584165B1 (en) | 2020-10-28 |
JP7265939B2 (ja) | 2023-04-27 |
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