TW567276B - Fan blade compliant shim - Google Patents
Fan blade compliant shim Download PDFInfo
- Publication number
- TW567276B TW567276B TW090125538A TW90125538A TW567276B TW 567276 B TW567276 B TW 567276B TW 090125538 A TW090125538 A TW 090125538A TW 90125538 A TW90125538 A TW 90125538A TW 567276 B TW567276 B TW 567276B
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- patent application
- assembly
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- shim
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
- F01D5/3092—Protective layers between blade root and rotor disc surfaces, e.g. anti-friction layers
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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
- F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
- F05C2201/00—Metals
- F05C2201/04—Heavy metals
- F05C2201/0433—Iron group; Ferrous alloys, e.g. steel
- F05C2201/0463—Cobalt
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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
- F05D2230/00—Manufacture
- F05D2230/90—Coating; Surface treatment
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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
- F05D2250/00—Geometry
- F05D2250/70—Shape
- F05D2250/71—Shape curved
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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
- F05D2260/00—Function
- F05D2260/30—Retaining components in desired mutual position
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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
- F05D2300/00—Materials; Properties thereof
- F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
- F05D2300/611—Coating
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
Description
567276 A7
567276 五、發明説明(2 產生葉片與轉子圓盤間之相對運動。 在瞬變操作狀況,諸如 引拏啟動立曰加動力(起飛),減 低停機時,纟圓盤與葉片鈦片之間發生此滑動運動 。隨重複之操作循環’滑動運動可能影響表面外形,並導 致配合鈦片之疲餐能六+^ ,.. 之減低。在此等操作狀況,在鳩尾 形切口之附近施加在轉子之法向及滑動力,可能導致擦傷 ’後隨疲勞裂紋在圓盤開始及傅播。當引擎循環數增加時 ,便難以預測裂紋捐壞之開始或範目。引擎運作者,諸如 航空公司,因此必須經常檢查轉子鳩尾形切口之内側,其 為一項咼度麻煩費力之過程。 人們w嘗試各種技術’以避免或減低在鈦葉片鹤尾形與 欽轉子圓盤之鳩尾形切口之間,由摩擦運動所產生之損壞 。一種技術為以一種金屬合金塗布鈦片之接觸部位,保護 鈦零件以防擦傷。在二塗布接觸部位間之滑動接觸,以一 種主要含二硫化鉬之固體乾膜潤滑劑予以潤滑,以進一步 減低摩擦。 * 雖然此方法可有效減低磨損或疲勞損壞在轉子/葉片之發 生率,但塗層之使用期限曾示有顯著變化。再者,供施加 金屬合金至圓盤及葉片之過程,曾示能減低塗布片之疲勞 能力。吾人繼續需要一種改進之方法,以減低此種損壞, 並保證組件完整性。此種方法將會宜於避免轉子及葉片之 主要重新設計,其在幾年之期間曾已最佳化,同時增加鈦 組件之使用期限,及在所需要檢查間之時間。本發明滿足 此需要’並進一步提供諸多相關優點。 -5- 本紙張尺度適用中國國家標準(CNS) A4規格(210X 297公釐) 裝 訂 缘 567276 五、發明説明( 專#】5,160,243號及5,24〇,375號,揭示各種單層及 夕層真隙片叹计,供在鈦轉子安裝在鈦葉片之根部盥1 對應槽之間。此等填隙片之㈣= 風扇葉片之根部滑動◎•形填隙片(請見,243號專利之圖 3)此種頒型之填隙片’其一項缺點為其在引擎操作時 ’有-種會遺失之傾向。其也不完全消除槽與 根部間之磨損。 μ 因之’需要-種改進之屈從填隙片,供在引擎操作時, 消除在鈦組件與-供固持此種填隙 損。 發明之概述 本叙月之項目的’為提供-種改進之屈從填隙片,供 在引擎操作時,消除鈦組件與一供固持此種填隙片在定: 之機構間之磨損。 ,發明提供屈從填隙片,供在燃氣輪機轉子圓盤使用在 燃氣輪機風扇葉片之根部與鳩尾形槽之間,以減低在其間 之磨損,藉以滿足此目的。屈從填隙片有第一及第二切口 ,供貼合自風扇葉;^根部延伸之凸片。切口及凸片人作, 以在引擎操作時固持填隙片。—氧化作用層覆蓋騎填隙 片’並減低在葉片與屈從層間之磨損。 在本發明之較佳實施例之下列詳細說明特別闡釋,或自 其在配合附圖參閱時,將會明白本發明之此等及其他諸多 目的,特色,及優點。 附圖之簡要說明 本紙張尺度適用中國國家標準(CNS) Α4規格(210 X 297公釐) 訂 線 • 6 · 567276 A7 ____B7 五、發明説明(4 一) 圖1為本發明所擬想之一種轉子總成之分解圖。 圖2為本發明所擬想之一種具有屈從套管之葉片總成之透 視圖。 、 圖3為本發明所擬想之屈從套管之透視圖。 圖4為沿圖3之線4-4所取之剖面圖。 較佳實施例之說明 請參照圖1 ’參考圖號10概括標示一風扇總成。總成1〇包 括一圓盤12,有一環形網片部份14,及一外周邊16有許多 鳩尾形構形之槽1 8,有徑向面向外基底表面2〇。槽丨8在圓 盤12之軸向與切向軸線之間成一稱為圓盤切口角之角度延 伸通過周邊1 6。 , 風扇葉片30予以承載在外周邊16。每一葉片3〇包括一徑 向直立翼型部份32,其自一前緣34延伸至一後緣36,每一 葉片30也有一根部40,其予以成鳩尾形,以被槽以之一所 容納。在其前及後緣,根部4〇有凸片42,料,其徑向向内 向基底表面20延伸,以在基底表面2〇與根部4〇之内表面“ 之間界定一間隙。一靠近凸片44之凸片46進一步向内延伸 ’並鄰接外周邊16之一面向軸向表面。凸片46通稱為水顧 齒齒。在較佳實施巧,圓盤12及風扇葉片3〇係自鈦或鈦合 金作成。 請參照圖2及3,填隙片50為一薄層狀片,形成供安裝在 基底表面20與内表面41間之間隙。填隙片5〇有一扁平基底 52及二間開之壁54,64,其自基底52向外延伸。每一壁“ ,64為曲線形,並有一彼此彎曲離開之第一部份%,, 本纸張尺度適用中a g家標準(CNS) A4規格(21GX 297公爱)------ 567276 A7 -------- B7 五、發明説明γι ) " "一- -- °彼此4曲之第二部份58 , 68,及一彼此彎曲離開之第 P伤60 70。填隙片40自第一端72延伸至第二端76。末 端2有切口 74供容納凸片42,及末端76有一切口 78供容 内凸片44。使一填嗅片滑動至根部40,並且然後以精於此 項技藝者所熟悉之一種方式,將加填隙片之葉片插入至一 鳩尾形切口,藉以將葉片3〇安裝至圓盤12。請參照圖4,填 隙片在其内&外表面均有一氧化作用層80。層80在每一側面 有一厚度在·0〇〇2'_3忖之範圍,並在空氣大氣在期^理 填隙片14至16分鐘所形成。填隙片較佳為以一種銘合金諸 如L605所作成。 因此’本案提供—填隙片5G’其防止在風扇葉片根部斑 其對應圓盤切口間,磨損。而且,填隙片5〇予以作成切口 ,以貼合自茶片根部向下延伸之凸片’其㈣在引擎操作 時,將填隙片固持在定位。 μ 精於此項技藝者將會明白以上所說明轉子總成之各種修 改及更改。因之,本發明之上述較佳實施例之詳細說明: 在性質上應該視為例證性,並且不視為限於如在下列申往 專利範圍所闡釋之本發明之範圍及精神。 月
Claims (1)
- 567276 第090125538號專利申請案 咕 中文申請專利範圍替換本(92年7月)B8 —---------- —__D8 六、申請專利祀圍 1· 一種用於燃氣輪機引擎之轉子總成(10),包含: 一圓盤(12),沿其周邊有至少一鳩尾槽(18); 一葉片(30),有一翼型部份(π)及一根部(4〇),該根 邵(40)成輪廓為容納在該鳩尾槽中,並有一内表面 (41 ),其自一别緣軸向延伸至一後緣,該内表面(41)有 第一及第二凸片構件(42,44)自其向内延伸,以在該 内表面(41)與該鳩尾槽(18)之基底之間界定一間隙;以 及 一屈從填隙片(50),配置在該間隙,並有一第一切口 • (74),供貼合該第一凸片(42),及一第二切口(78),供 貼合該第二凸片(44)。 2·如申請專利範圍第1項之總成(1〇),其中該填隙片(5〇)有 一扁平基底(52)及二自其延伸之間開壁(54,64)。 3.如申請專利範圍第2項之總成(1〇),其中該等壁(54,64) 各為曲線形。_ 4·如申請專利範圍第3項之總成(10),其中該等壁(54 , 64) 有彼此’彎曲離開之第一邵份(5 6,6 6 ),向彼此彎曲之第 二部份(58,68),及彼此彎曲離開之第三部份(6〇,7〇) 〇 5·如申請專利範圍第1項之總成(10),在該填隙片(5〇)之至 少一部份另包含一氧化作用層(80)。 6·如申請專利範圍第6項之總成(10),其中該氧化作用層 (80)之厚度為在.0002-.0003吋之範圍。 7.如申請專利範圍第6項之總成(10),其中該圓盤(12)及 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐) 567276 8 8 8 8 A BCD 六、申請專利範圍 葉片(3 0)係以鈦作成,及該填隙片(50)係以一種鉛合 金作成。 8. 如申請專利範圍第6項之總成(10),其中該圓盤(12)及葉 片(30)係以一種鈦合金作成,及該填隙片(50)係以一種 姑合金作成。 -2- ___________ 本紙張尺度適用中國國家標準(CNS) A4規格(210 X 297公釐)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/690,216 US6431835B1 (en) | 2000-10-17 | 2000-10-17 | Fan blade compliant shim |
Publications (1)
Publication Number | Publication Date |
---|---|
TW567276B true TW567276B (en) | 2003-12-21 |
Family
ID=24771589
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW090125538A TW567276B (en) | 2000-10-17 | 2001-10-16 | Fan blade compliant shim |
Country Status (7)
Country | Link |
---|---|
US (2) | US6431835B1 (zh) |
EP (1) | EP1327056B1 (zh) |
AT (1) | ATE337471T1 (zh) |
CA (1) | CA2426135C (zh) |
DE (1) | DE60122550T2 (zh) |
TW (1) | TW567276B (zh) |
WO (1) | WO2002033224A1 (zh) |
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GB2408295A (en) * | 2003-11-14 | 2005-05-25 | Rolls Royce Plc | An assembly with a plastic insert between two metal components |
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GB0427083D0 (en) * | 2004-12-10 | 2005-01-12 | Rolls Royce Plc | Platform mounted components |
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WO2006080055A1 (ja) * | 2005-01-26 | 2006-08-03 | Ishikawajima-Harima Heavy Industries Co., Ltd. | ターボファンエンジン |
GB2426301B (en) | 2005-05-19 | 2007-07-18 | Rolls Royce Plc | A seal arrangement |
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- 2001-10-15 DE DE60122550T patent/DE60122550T2/de not_active Expired - Lifetime
- 2001-10-15 CA CA002426135A patent/CA2426135C/en not_active Expired - Fee Related
- 2001-10-15 AT AT01977744T patent/ATE337471T1/de not_active IP Right Cessation
- 2001-10-16 TW TW090125538A patent/TW567276B/zh not_active IP Right Cessation
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ATE337471T1 (de) | 2006-09-15 |
EP1327056A1 (en) | 2003-07-16 |
DE60122550D1 (de) | 2006-10-05 |
US6431835B1 (en) | 2002-08-13 |
WO2002033224A1 (en) | 2002-04-25 |
CA2426135A1 (en) | 2002-04-25 |
US6398499B1 (en) | 2002-06-04 |
US20020044870A1 (en) | 2002-04-18 |
CA2426135C (en) | 2008-01-08 |
EP1327056B1 (en) | 2006-08-23 |
DE60122550T2 (de) | 2007-09-20 |
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