TW384353B - Labyrinth/brush seal combination for a rotating machine and rotating machine - Google Patents
Labyrinth/brush seal combination for a rotating machine and rotating machine Download PDFInfo
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- TW384353B TW384353B TW087111502A TW87111502A TW384353B TW 384353 B TW384353 B TW 384353B TW 087111502 A TW087111502 A TW 087111502A TW 87111502 A TW87111502 A TW 87111502A TW 384353 B TW384353 B TW 384353B
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- brush seal
- seal
- steel wool
- zigzag
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/447—Labyrinth packings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/44—Free-space packings
- F16J15/441—Free-space packings with floating ring
- F16J15/442—Free-space packings with floating ring segmented
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
- F16J15/3284—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
- F16J15/3288—Filamentary structures, e.g. brush seals
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/908—Seal for use in rotating and reciprocating arrangement
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S277/00—Seal for a joint or juncture
- Y10S277/935—Seal made of a particular material
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Devices (AREA)
Description
M濟部中失揉率局貝工消费合作社印装 A7 B7 五、發明说明(1 ) 技術範ffl 此發明大致上相關於渦輪機械裝置,且更特別地蒸汽及 燃氣渦輪機之曲折抽封/刷封組合。 背景 用於動力產生及機械驅動應用之旋轉機械,諸如蒸汽及 燃氣渦輪機係大致上大型之機械,由多數之渦輪機級所構 成。流經渦輪機級之高壓液髄必須穿過一連串固定及旋轉 組件’且介於固定及旋轉组件間之密封係用於控制洩漏。 渦輪機之效率直接視防止洩漏,例如轉子及靜子間密封之 能力而定。 满輪機之設計傳統地歸類為一衝力(具有大多數發生橫 跨固定喷嘴之壓力降),或一反動(具有更均勻地分佈於旋 轉及固定輪葉片間之壓力降)類型,兩種設計使用尖銳、 剛性之齒,眾所皆知如曲折軸封以控制洩漏。傳統地,一 高低(交替齒高度)或垂直軸設計之曲折抽封使用。此密封 使用於旋轉及固定組件間洩漏必須控制之實際上所有之渦 輪機位置。這些包含級間軸封、轉子端密封及葉片(或葉 片)端密封。而曲折抽封已證明非常可靠,其性能因瞬間 事件過時而下降,其中固定及旋轉組件干涉、摩擦曲折抽 封齒成一"香菇"輪廓及打開密封間隙》 使用於多數環境,包含旋轉機械之另外類型密封係—刷 封。刷封大致上比曲折軸封較不容易洩漏。一刷封因密封 鋼毛之撓曲亦能容納於固定及旋轉組件間,例如於一轉子 及一靜子間之相對徑向移動。刷封亦大致上較貼合表面之 -4- 本纸張尺度逍用中國國家揉率(CNS > A4规格(210X297公釐) II------裝------訂--II-- (锖先《讀背*之注f項再填寫本頁)
經濟部中央橾率局Λ工消费合作社印装 五、發明説明(2 ) · 不均勻。使用刷封之結果比大致上可能使用曲折軸封較能 維持旋轉機械之性能》 用於渦輪機之應用,刷封及曲折軸封之组合發表於 1996年6月28日歸檔之大致上擁有未定之申請編號 08/672,665及1996年9月25日所歸棟之編號〇8/719 667 中。這些申請案之主題物在此中併入作為參考。 於'665及'667申請案中所發表之刷封包含緊固於一對剛 板間之鋼毛组件,同時鋼毛焊接於此板。板係精密地機械 加工以裝配於一固定環形溝槽内(刷封典型地包含4部 分,其當安裝時形成一 360度之密封如其顯示,個別 之刷封係設計用於一特別直徑之溝槽。在工業/渦輪機械 裝置之範圓中,然而多數不同直徑之密封或許需要,其雖 然如此,還是大致上執行相同之功能β因此,不同之工具 需要,用以個別小直徑之改變,明顯地増加此密封之成 本。 發明之發表 根據本發明之一較佳具體實例,獨特之刷封部分提供, 其具有相關於密射直徑之大靈活性,且其明顯地減少密封 之成本。 根據此發明之一典型具體實例,刷鋼毛安裝於一可皆 曲、呈一延伸不銹鋼槽狀之固定座内,該槽夾緊麵毛。此 配置容許刷封鋼毛部分本質上連續長度之簡單及成本有效 之製造,而不管密封之最大直徑。 切成合適部分長度之刷部分然後可滑動地安裝於曲折抽 (請先《讀背面之注f項再填寫本茛) .Τ Γ d 本紙張尺度逋用中國國家樣準(CNS > Α4洗格(210Χ297公釐〉 A7
五、發明説明(3 ) 經濟部中*橾率局工消费合作杜印裝 封部分中,例如機械加工之T型凹槽内,鄰接支撐铜毛之 剛性曲折軸封齒其中之一 β T型凹槽係機械加工至所窝之 直徑,且個別製造之刷部分能切斷至部分之長度邊推入凹 槽,同時可弩曲之槽貼合凹槽之彎曲。於典型之具體實例 中’具有可弩曲固定座之刷部分可藉由定位螺釘或其它合 適之裝置,緊固於個別部分之凹槽内β 此發明之明顯優點係包含可彎曲頂部組件之刷配置能以 一成本效果之方法個別地製造,然後安裝於切入曲折抽封 部分、靜子或其它固定機械组件之各種不同直徑Τ型凹 槽。 因此’於其概括之方面,本發明相關於一旋轉機械曲折 軸封及刷之組合,包含一預定轴向範困之弧狀部分,該範 園支撐多數軸向地間隔、圓周地及徑向地延伸之錐形密封 齒’及至少一圓周地延伸離散鋼毛陣列,其由部分支揮於 在那順著一預定軸向位置,且突出於齒徑向範面之外,該 鋼毛具有可滑動地及可拆除地容置在弧狀部分中一弧狀凹 槽内之一延伸可弩曲承載片β 在另一方面,發明相關於一旋轉機械,包含一可旋轉之 之組件;一固定組件,困繞可旋轉之组件;组件,位於面 繞一公共軸線,·一介於固定及可旋轉組件間之曲折軸封。 包含多數之密封部分,個別密封包含多數軸向地間隔、圓 周地延伸之齒,其徑向地突出朝向可旋轉之组件;包括至 少一刷封之個別曲折軸封部分包含一離散鋼毛之陣列,其 由配置軸向地鄰接至少兹其中之一之固定组件所技撐;其 本纸依尺度逋用中國國家揉準(CNS Μ4规格(210X297公釐) --------0裝------訂------0^ (請先閱讀背面之注$項再填寫本頁) 經濟部中央橾準局員工消费合作社印装 A7 B7 « 五、發明说明(4 ) 中該離散鋼毛安裝於一第一延伸可弩曲之承載片,且其中 該片係可滑動地容置於一成形於部分中之弧狀凹槽内,、因 此刷封貼合部分之弩曲。 主題發明之其它優點將自接下來之詳細說明而成為明 顯。 圈面之簡單說明 圖1係一傳統曲折軸封環部分之一圖例; 圖2係一根據此發明,一組合曲折軸封/刷封之一圈 例; 囷2A係一例舉刷封及鄰接曲折軸封.齒之一放大細部; 圖3係一根據發明之一典型具體實例,一長度刷封之一 —... 局部立體圖; 圈4係一併入圖3刷封中,=延伸墊片之一局部立體 圖; 圖5係一根據發明,以一 45度傾斜刷鋼毛之一局部側 視圖; 圖6係一根據發明之另一具體實例,一延钟墊片及刷封 之一局部立禮圖。
訂 ci -7- (10)輪機軸 (12)渦輪機殼體 (14)曲折軸封 (16)密封環 (18)環形陣列弧狀密封部分 (20)密封面 (22)徑向地突出、軸向地間隔 之齒 (2句徑向突起或助 (26)溝槽 (28)曲折軸封/刷封組合 (30)T型溝槽 本紙張尺度適用中國國家揉準(CNS > A4规格(210X297公釐) 五、發明説明(5) (32)曲折軸封部分 (34)中央定位之剛性齒 (3 6)箭頭 (38) 刷鋼毛 (39) 空白三角形區域 A7 B7 (40)織製纖維 (42)可弩曲之金屬片或墊片 (42a及42b)墊片 (44)可鸞曲之鋼片 (46)寒位螺釘 經濟部中央揉準局貝工消费合作社印製 執行發明之最佳模式 現在參考圖面,特別地圈1,其例舉一傳統旋轉機械, 例如一汽輪機之一部分,該汽輪機具有一配置於一渴輪機 殼髏12内之輪機軸10,且該軸10由傳統之裝置,圖中 未顯示,而支撐於渦輪機殼體12内。一位於旋轉軸10及 固定殼體12間之一曲折軸封,大致上指示為14,包含配 置圍繞軸1〇 ,分開於環軸向相反侧上高及低壓力區域之 一密封環16。其將認識到,當僅一密封16發表時,典型 地多級曲折軸封配置圍繞轉子軸。個別密封環16形成一 環形陣列(經常4或更多)弧狀密封部分18 ,具有密封面 20及多數徑向地突出、軸向地間隔之齒22 。如所顯示之 齒係一高低之設計,用以獲得與徑向突起或肋24及軸10 之溝槽26之緊密間隙。曲折軸封作用,藉由放置一相當 多數目之阻絕體,換言之齒,至密封相反侧上,自一高壓 區域至一低壓區域之液體流,同時個別阻絕踵強迫液踵跟 隨一弩曲之路徑,因此壓力降產生。橫跨曲折軸封壓力降 之總數由其軸向相反侧上,高及低壓區域間之壓力差所定 義。這些曲折軸封環部分典型地回彈,且如此當承受嚴厲 之轉子/密封干涉時,自由地徑向移動。在某些設計中, -8 - (請先閱讀背面之注$項再填寫本頁) oi 裝i 訂 4 本紙張尺度適用中國國家標準(CNS 規格(2丨OX297公釐) A7 B7 鐘濟部中央樣率扃舅工消费合作社印製 五、發明说明(6 ) , 彈簧保持密封環部分16徑向地向外遠離轉子,細如在起 動及停機期間,同時液體壓力供應於密封環部分及轉子殼 體之間,以轉移密封環部分徑向地向内,以獲得—轉子較 少之間隙’換言之,在轉子已加速之後關閉密封β 參考圖2及2Α,其根據此發明例舉一曲折抽封/刷封组 合28之一範例,該組合於一曲折軸封中併入為一裝配或 原始設備。在此配置中,一 Τ型溝槽30成形於曲折軸封 部分32中,同時溝槽之样定位鄰接中央定位之剛性齒 34 。在由箭頭36所指示之流動方向中,剛性曲折軸封齒 34位於刷封部分32之下游侧邊上,以支撐刷鋼毛38於軸 向方向。 此新密封之鋼毛38 (於圖3及5中可最佳地看見)包含 傳統刷封材料,例如海納(Haynes)25不銹鋼之鋼毛。其它 合金然而或許適合於特定之應用。鋼毛鋼毛排列成二或多 數層,且以一 45度之角度傾斜,如同於圖2,3及6中 可最佳地看見。沿著折疊線,鋼毛由織製織維4〇保持在 一起,如此鋼毛可折疊成一薄(例如,1〇密耳)、可弩曲 尤金屬片或墊片42 ,如同於圖4中可最佳地看見,同時 織製纖維40沿著墊片42頂部而延伸。在鋼毛折疊成墊片 之後,另外薄(大約20密耳)、可弩曲之鋼片44国繞墊片 夹緊,如同於圖2及3中所顯示,以完成密封裝配。其係 較佳,即墊片42及片44並非特別地有彈性,因此當弩曲 (如以下所描述)時,其不具有回彈至一較直形狀之傾向。 其亦可能,即鋼毛每一層之鋼毛38可直接焊接於墊片, -9- {請先閱讀背面之注$項再填寫本頁) I HH _ο 裝· 訂 4 * .^n In nn A7 B7 五、發明说明( 以刪除織製橫向纖維40之需求。參照例如圖6,其中 銅毛38焊接於一對餐片仏及42b,且存在於其之間。 其將想識到刷封其本身能以本質上無止盡或連績之形式 製造,而無關其中可能放置之任何直徑溝槽β 在使用中,一合適之長度部分自供應切澌,且推入於一 曲折轴封部分32中精密機械加工之Τ型槽3〇。當部分推 入槽時,可弩曲之密封部分容易地與槽之直徑貼合。在插 入之後,定位螺釘(一顯示於46)或其它合適之裝置可使 用,以徑向地鎖止刷組件於槽3〇内之適當位置。定位螺 釘亦防止刷組件於槽内任何圓周之移轉。 於較佳之配置中,在刷封低壓侧上之下一粼接曲折軸封 齒34提供鋼毛38之橫向支撐,如同以上所描述。如於圈 2中最佳地看見,一空白三角形區域39因鋼毛38之45度 傾斜’而出現於每一部分之端部。齒34雖然如此,還是 持續多少影響於此位置之密封β 除此之外’鋼毛38之長度不需切斷至精密之公差,假 如起初切斷至一比所需(參照圖2Α)稍微較長之長度時, 結果接觸到轉子,其將本質上快速地磨耗至所需之長度。 藉由如此裝配密封元件,成本已明顯地減少,特別因密封 係改變以適合任何之直徑,且就緊公差而言,較少需要。 其亦將認識到,刷组件位置可改變,且於密封内之刷組 件數目亦可改變。 而發明已連同何者係目前考慮將是最實際及最佳之具體 實例描述’其明瞭發明並非限制所發表之具髏實例,但相 反地其打算包含各種不同包含於附屬申請專利之精神及範 团内之修改及等效配置· -10- 本紙張尺度適用中國國家橾率(CNS >八4規《格(2丨0X297公釐)
訂 Μ濟部中央標準局具工消费合作社印簟
Claims (1)
- 經濟部中央樣率局胃工消费合作社印*. '申請專利範圍 L ‘種旋轉機械之构折軸封/刷封组合,包含一預定軸向 .範固之策狀部分,該範圍支撐多教軸向地間隔、圓周 地及v徑向地延伸之密封兹,且至少一囬周地延伸之雜 教、鋼毛陣列,其由.部分支撐於在那順著一預定秒向位 置I’且突出於該齒徑向範面之外,該鋼毛保持於一可 滑動及可拆除地容置於該部分中—凹推内之第一可青 曲之承载片内。 2根據申請專利範困第1項之曲折軸封/刷封组合其中 該鋼毛係折疊团繞另一可彎曲之承栽片,五由炎緊園 繞該另一可弩曲承載片之該第一可寶曲片保持於適當 之位置 <3根據申請專利範面第1項之曲折刷封组合,其中 該鋼毛係圍繞折疊線而織製在一起。 4. 根據申請專利範圍第1项之曲折軸封/刷封組合,其中 該鋼毛朝向相對垂.直之大約一 45度之角度。 5. 根據申請專利範面第1項之曲折軸封/刷封组合,其中 該離散鋼毛之陣列位於緊密地鄰接於其一上游侧上之 該多數抽向地間隔、圓周地及獲向地延伸密射食其中 〇 6. 根據申請專利範圍第1項之曲折軸封/刷封组合,其中 該第一可彎曲承載片包含不銹鋼。 7. 根據申請專利範園第1項之曲折軸封/刷封组合,其中 該第二可聲曲承載片包含不餘鋼。 8. 根據申請專利範圍第1項之曲折軸封/刷封組合,其中 -11 - 1^紙張]I度逋i中國·家揉率(CNS)Α4洗格(210x297公釐) — (請先明讀背面之注$項再4寫本I ) 訂- 經濟部中央榡率f工消费合作社印氧 A8 B8 C8 ----_____ 六、申請專利範圍 ’ 該凹槽大致上呈τ型形狀’包含一样及一横向截面, 其中該可彎曲承載片位於該橫向截面内》 9. 據申請專利範困第1項之曲折軸封/刷封组合,其中 該鋼毛係烊接於該第一承載片。 10. —種旋轉機械,包含: 一可旋轉组件; 一固定组件,面繞該可旋轉组件; 該组件位於圍繞一公共轴線; 一曲折軸封介於該固定及可旋轉組件之間,包含多 數密封部分,個別之部分包含多數軸向地間隔、圓周 地延伸之齒,其徑向地突出朝向該可旋轉之組件; 個別之曲折軸封部分包含至少一刷封,其包含一離 散鋼毛之陣列,該鋼毛陣列由配置軸向地鄰接至少病 其中之一之.該固定組件所支撐,其中該離散鋼毛安裳 於一第一延伸、可弩曲、可變形之承載片且其中該 片係可滑動地容置於一成形於該部分中之一弧狀凹错 内,因此刷封貼合該部分之彎曲。 11. 根據申請專利範園第10項之旋轉機械,其中該至少— 刷封位於大致上沿著該部分之一轴向範園之中途,且 其中一鄰接之曲折軸封齒提供該至少一刷錡横向之支 撐》 12. 根據申請專利範圓第11項之旋轉機械,其中該承載片 包含不銹鋼。 13. 根據申請專利範園第η項之旋轉機械’其中該承載片 -12- 本紙張逋用中目0家揉準(CNS〉( 210x297公簸) ---------Q------tr------ο (請先閱讀背面之注$項再$本頁) 384353 I -— D8_____ 六、申請專利範園 ' " 對該鋼毛橫向地延伸,且其中該弧狀凹槽於載面上大 致上呈τ型形狀》 K根據申請專利範圓第10項之旋轉機械,其中該鋼毛折 疊面繞該第一可弩曲承載片,且由夾緊因繞該另一可 弩曲承載片之一第二可彎曲片保持於適當位置。 根據申請專利範圓第1〇項之旋轉機械,其中該鋼毛烊 接於該第一承載片》 -- (請先》讀背面之注$項再4寫本頁) 订 鐘濟部中央梂率局貝工消費合作社印策 -13- 本紙張又度逋用中國國家糅率(CNS ) A4规格(210X297公釐)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/956,686 US6027121A (en) | 1997-10-23 | 1997-10-23 | Combined brush/labyrinth seal for rotary machines |
Publications (1)
Publication Number | Publication Date |
---|---|
TW384353B true TW384353B (en) | 2000-03-11 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW087111502A TW384353B (en) | 1997-10-23 | 1998-07-15 | Labyrinth/brush seal combination for a rotating machine and rotating machine |
Country Status (6)
Country | Link |
---|---|
US (1) | US6027121A (zh) |
EP (1) | EP0911554B1 (zh) |
JP (1) | JPH11201293A (zh) |
KR (1) | KR100503999B1 (zh) |
DE (1) | DE69820960T2 (zh) |
TW (1) | TW384353B (zh) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI409383B (zh) * | 2007-09-24 | 2013-09-21 | Alstom Technology Ltd | 燃氣渦輪機之密封件 |
CN107355540A (zh) * | 2017-08-18 | 2017-11-17 | 国网湖南省电力公司 | 间隙自适应调整密封结构 |
CN115315235A (zh) * | 2020-02-19 | 2022-11-08 | 康沃特克有限公司 | 用于造口术装置的出口阀 |
Families Citing this family (65)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6318728B1 (en) * | 1997-07-11 | 2001-11-20 | Demag Delaval Turbomachinery Corporation | Brush-seal designs for elastic fluid turbines |
US6257588B1 (en) * | 1998-09-22 | 2001-07-10 | General Electric Company | Brush seal and rotary machine including such brush seal |
US6030175A (en) * | 1998-09-23 | 2000-02-29 | General Electric Company | Hybrid seal and rotary machine containing such hybrid seal |
US6250641B1 (en) * | 1998-11-25 | 2001-06-26 | General Electric Co. | Positive biased packing ring brush seal combination |
US6139019A (en) * | 1999-03-24 | 2000-10-31 | General Electric Company | Seal assembly and rotary machine containing such seal |
US6286211B1 (en) * | 1999-03-24 | 2001-09-11 | General Electric Company | Method for making a brush-tooth seal |
US7032903B1 (en) * | 1999-04-06 | 2006-04-25 | Turbocare, Inc. | Brush-seal designs for turbines and similar rotary apparatus |
US6261057B1 (en) * | 1999-10-04 | 2001-07-17 | General Electric Company | Arrangement and method for accurately radially locating a turbine brush seal |
US6308958B1 (en) * | 1999-10-12 | 2001-10-30 | General Electric Company | Arrangement and method for radially positioning a turbine brush seal |
WO2001055624A1 (en) * | 2000-01-31 | 2001-08-02 | General Electric Company | Brush seals for steam turbine applications |
US6422815B1 (en) | 2000-03-02 | 2002-07-23 | General Electric Company | Turbine air seal replacement rings |
ES2349314T3 (es) * | 2000-04-06 | 2010-12-29 | Turbocare, Inc. | Diseños de juntas estanco de escobilla mejorados para turbinas y aparatos rotatorios similares. |
DE10018273B4 (de) * | 2000-04-13 | 2005-10-20 | Mtu Aero Engines Gmbh | Bürstendichtung |
US6913265B2 (en) * | 2000-08-09 | 2005-07-05 | Advanced Components & Materials, Inc. | Brush seal assembly, method of manufacture and use |
KR20020016097A (ko) * | 2000-08-24 | 2002-03-04 | 이중구 | 회전축의 밀봉조립체 |
US6390476B1 (en) * | 2000-09-08 | 2002-05-21 | General Electric Company | Heat-resistant magnetic silicone rubber brush seals in turbomachinery and methods of application |
WO2002023069A2 (en) * | 2000-09-14 | 2002-03-21 | Turbocare, Inc. | Floating brush seal optionally disposed in labyrinth seal |
US6464230B1 (en) | 2000-10-19 | 2002-10-15 | General Electric Company | Flexible magnetic rubber brush seal for generators |
US6880829B1 (en) * | 2000-11-06 | 2005-04-19 | Advanced Components & Materials, Inc. | Compliant brush shroud assembly for gas turbine engine compressors |
US6536773B2 (en) | 2000-11-06 | 2003-03-25 | Advanced Components & Materials, Inc. | Compliant brush shroud assembly for gas turbine engine compressors |
US20100007093A1 (en) * | 2001-02-23 | 2010-01-14 | Grondahl Clayton M | Seal Assembly and Rotary Machine Containing Such Seal |
US7578509B2 (en) | 2001-02-23 | 2009-08-25 | Cmg Tech, Llc | Seal assembly and rotary machine containing such seal |
US6644667B2 (en) | 2001-02-23 | 2003-11-11 | Cmg Tech, Llc | Seal assembly and rotary machine containing such seal |
US6547522B2 (en) | 2001-06-18 | 2003-04-15 | General Electric Company | Spring-backed abradable seal for turbomachinery |
US6550777B2 (en) | 2001-06-19 | 2003-04-22 | General Electric Company | Split packing ring segment for a brush seal insert in a rotary machine |
US6402157B1 (en) * | 2001-08-20 | 2002-06-11 | General Electric Company | Brush seal and method of using brush seal |
JP3702212B2 (ja) * | 2001-09-28 | 2005-10-05 | 三菱重工業株式会社 | 軸シール機構及びタービン |
US6786487B2 (en) * | 2001-12-05 | 2004-09-07 | General Electric Company | Actuated brush seal |
US7931276B2 (en) * | 2002-03-20 | 2011-04-26 | United Technologies Corporation | Brush seal |
US6722850B2 (en) | 2002-07-22 | 2004-04-20 | General Electric Company | Endface gap sealing of steam turbine packing seal segments and retrofitting thereof |
US6722846B2 (en) * | 2002-07-30 | 2004-04-20 | General Electric Company | Endface gap sealing of steam turbine bucket tip static seal segments and retrofitting thereof |
US20040046327A1 (en) * | 2002-09-05 | 2004-03-11 | Menendez Robert P. | Labyrinth/brush seal combination |
US6779799B2 (en) | 2002-11-27 | 2004-08-24 | General Electric Company | Sealing apparatus for electrical generator ventilation system |
US6969231B2 (en) * | 2002-12-31 | 2005-11-29 | General Electric Company | Rotary machine sealing assembly |
US20050073106A1 (en) * | 2003-10-03 | 2005-04-07 | General Electric Company | Brush seal support for turbine applications |
DE10351583B4 (de) * | 2003-11-05 | 2020-10-22 | MTU Aero Engines AG | Dichtungsanordnung |
US20060088409A1 (en) * | 2004-10-21 | 2006-04-27 | General Electric Company | Grouped reaction nozzle tip shrouds with integrated seals |
US7604241B2 (en) * | 2005-09-22 | 2009-10-20 | General Electric Company | Seals for turbines and turbo machinery |
US7255352B2 (en) * | 2005-09-29 | 2007-08-14 | General Electric Company | Pressure balanced brush seal |
US7653993B2 (en) * | 2005-09-29 | 2010-02-02 | General Electric Company | Method of manufacturing a brush seal for sealing between stationary and rotary components |
US7565729B2 (en) * | 2006-03-17 | 2009-07-28 | General Electric Company | Methods of manufacturing a segmented brush seal for sealing between stationary and rotary components |
US7419164B2 (en) * | 2006-08-15 | 2008-09-02 | General Electric Company | Compliant plate seals for turbomachinery |
US7703774B2 (en) * | 2006-09-12 | 2010-04-27 | General Electric Company | Shaft seal using shingle members |
GB0619488D0 (en) | 2006-10-03 | 2006-11-08 | Cross Mfg 1938 Company Ltd | Brush seal assembly |
US20080107525A1 (en) * | 2006-11-02 | 2008-05-08 | General Electric Company | Shaft seal formed of tapered compliant plate members |
DE102007032889A1 (de) * | 2007-07-14 | 2009-01-15 | Mtu Aero Engines Gmbh | Dichtungsvorrichtung für eine Kühlmittelzufuhr an einer rotierenden Spindel sowie Werkkzeugmaschine mit einer derartigen Dichtungsvorrichtung |
US7909335B2 (en) * | 2008-02-04 | 2011-03-22 | General Electric Company | Retractable compliant plate seals |
US20100143102A1 (en) * | 2008-02-18 | 2010-06-10 | General Electric Company | Compliant plate seal with self-correcting behavior |
US8414254B2 (en) * | 2008-02-18 | 2013-04-09 | United Technologies Corporation | Sealing assembly for a turbine engine |
US20090302543A1 (en) * | 2008-06-09 | 2009-12-10 | General Electric Company | Sealing systems for rotary machines and methods for modification |
DE102008050230B4 (de) * | 2008-10-02 | 2019-06-13 | Battenfeld-Cincinnati Germany Gmbh | Vorrichtung zum Abdichten |
US8596973B2 (en) * | 2009-12-07 | 2013-12-03 | Cmg Tech, Llc | Leaf seal assembly including polymer member and rotary machine containing such seal assembly |
FR2957976B1 (fr) * | 2010-03-26 | 2013-04-12 | Snecma | Dispositif d'etancheite pour une enceinte d'huile d'un turboreacteur |
GB2480680B (en) * | 2010-05-28 | 2012-10-03 | Alstom Technology Ltd | Labyrinth seal |
FR2967748B1 (fr) * | 2010-11-24 | 2013-09-20 | Snecma | Systeme d'etancheite a joint annulaire a brosse |
DE102010055435B4 (de) | 2010-12-21 | 2018-03-29 | Rolls-Royce Deutschland Ltd & Co Kg | Innendeckband einer Gasturbine sowie Verfahren zur Herstellung eines Innendeckbandes |
US8872055B2 (en) * | 2011-04-12 | 2014-10-28 | Fastrax Industries, Inc. | Non-contact rail heater with insulating skirt |
US20130022459A1 (en) * | 2011-07-18 | 2013-01-24 | General Electric Company | Seals for reducing leakage in rotary machines |
US8657296B1 (en) * | 2011-10-26 | 2014-02-25 | Engineered Seal Products, Inc. | Radial shaft seal |
US9394801B2 (en) | 2013-10-07 | 2016-07-19 | General Electric Company | Adjustable turbine seal and method of assembling same |
JP6008452B2 (ja) * | 2014-03-04 | 2016-10-19 | 富士フイルム株式会社 | ラビリンスシール、流延装置、溶液製膜設備及び方法 |
US9963991B2 (en) * | 2014-10-01 | 2018-05-08 | United Technologies Corporation | Brush seal plate |
US10557359B2 (en) * | 2016-11-03 | 2020-02-11 | United Technologies Corporation | Seal assembly |
TWI671480B (zh) * | 2017-10-03 | 2019-09-11 | 上銀科技股份有限公司 | 具有防塵蓋之滾珠螺帽 |
US10598038B2 (en) | 2017-11-21 | 2020-03-24 | Honeywell International Inc. | Labyrinth seal with variable tooth heights |
Family Cites Families (83)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US768593A (en) * | 1903-03-24 | 1904-08-30 | Gen Electric | Turbine-generator. |
US779785A (en) * | 1903-12-24 | 1905-01-10 | Gen Electric | Packing for elastic-fluid turbines. |
US910472A (en) * | 1907-06-24 | 1909-01-19 | Gen Electric | Elastic-fluid turbine. |
US957887A (en) * | 1908-09-28 | 1910-05-17 | Gen Electric | Packing for elastic-fluid-turbine shafts. |
US980282A (en) * | 1909-07-26 | 1911-01-03 | Gen Electric | Leakage-reducing device for steam-turbines. |
US1352277A (en) * | 1919-01-09 | 1920-09-07 | Gen Electric | Elastic-fluid turbine |
US1352278A (en) * | 1920-03-03 | 1920-09-07 | Gen Electric | Elastic-fluid turbine |
US1505647A (en) * | 1920-11-05 | 1924-08-19 | Gen Electric | Packing for elastic-fluid turbines and the like |
US1594838A (en) * | 1921-08-29 | 1926-08-03 | Kegresse Adolphe | Dust cap |
US1505924A (en) * | 1922-05-19 | 1924-08-19 | Gen Electric | Shaft packing for elastic-fluid turbines and the like |
US1536014A (en) * | 1923-03-23 | 1925-04-28 | Gen Electric | Packing for elastic-fluid turbines and the like |
US1651855A (en) * | 1924-06-24 | 1927-12-06 | Gen Electric | Elastic-fluid turbine |
US1670071A (en) * | 1924-09-29 | 1928-05-15 | Gen Electric | Shaft packing |
US1895930A (en) * | 1931-08-27 | 1933-01-31 | Gen Electric | Shaft packing |
US2336323A (en) * | 1942-03-12 | 1943-12-07 | Gen Electric | Sealing arrangement for elastic fluid turbines and the like |
US2600991A (en) * | 1949-06-14 | 1952-06-17 | Gen Electric | Labyrinth seal arrangement |
US2709338A (en) * | 1953-01-16 | 1955-05-31 | Rolls Royce | Double-walled ducting for conveying hot gas with means to interconnect the walls |
GB1010338A (en) * | 1962-09-11 | 1965-11-17 | Lucas Industries Ltd | Means for supporting the downstream end of a combustion chamber in a gas turbine engine |
GB1103479A (en) * | 1966-11-24 | 1968-02-14 | Rolls Royce | Fluid seal device |
US3759038A (en) * | 1971-12-09 | 1973-09-18 | Westinghouse Electric Corp | Self aligning combustor and transition structure for a gas turbine |
GB1541001A (en) * | 1976-06-08 | 1979-02-21 | Schlegel Uk Ltd | Seals |
US4195476A (en) * | 1978-04-27 | 1980-04-01 | General Motors Corporation | Combustor construction |
US4202554A (en) * | 1978-05-17 | 1980-05-13 | Rolls-Royce Limited | Brush seals |
SE7810426L (sv) * | 1978-10-05 | 1980-04-06 | Skf Ab | Tetning |
DE2938484C2 (de) * | 1979-09-22 | 1982-06-16 | Fa. Carl Freudenberg, 6940 Weinheim | Dichtring |
GB2070700B (en) * | 1980-03-01 | 1983-10-05 | Rolls Royce | Gas turbine seals |
GB2076935B (en) * | 1980-05-31 | 1984-07-25 | Rolls Royce | Seals |
US4422288A (en) * | 1981-03-02 | 1983-12-27 | General Electric Company | Aft mounting system for combustion transition duct members |
GB2254378B (en) * | 1981-12-30 | 1993-03-31 | Rolls Royce | Gas turbine engine ring shroud ring mounting |
DE3215334C1 (de) * | 1982-04-24 | 1983-06-09 | Dr. Johannes Heidenhain Gmbh, 8225 Traunreut | Gekapselte Messeinrichtung |
ZA834537B (en) * | 1982-06-30 | 1984-06-27 | Skf Uk Ltd | Seals for bearings |
US4567730A (en) * | 1983-10-03 | 1986-02-04 | General Electric Company | Shielded combustor |
DE3514382C1 (de) * | 1985-04-20 | 1986-06-12 | Motoren Turbinen Union | Buerstendichtung |
DE3606283A1 (de) * | 1985-07-31 | 1987-02-12 | Mtu Muenchen Gmbh | Buerstendichtung |
DE3606284A1 (de) * | 1985-07-31 | 1987-02-12 | Mtu Muenchen Gmbh | Verfahren zur herstellung einer buerstendichtung und vorrichtung zur durchfuehrung des verfahrens |
GB2191825B (en) * | 1986-06-18 | 1989-12-13 | Rolls Royce Plc | Means for retaining a brush seal in a housing |
GB2198195B (en) * | 1986-12-06 | 1990-05-16 | Rolls Royce Plc | Brush seal |
GB8712681D0 (en) * | 1987-05-29 | 1987-07-01 | Cross Mfg Co 1938 Ltd | Brush seals |
GB2212228B (en) * | 1987-11-13 | 1991-08-07 | Rolls Royce Plc | Enhanced performance brush seals |
US4785623A (en) * | 1987-12-09 | 1988-11-22 | United Technologies Corporation | Combustor seal and support |
FR2624953B1 (fr) * | 1987-12-16 | 1990-04-20 | Snecma | Chambre de combustion, pour turbomachines, possedant un convergent a doubles parois |
DE3802653C2 (de) * | 1988-01-29 | 2000-06-29 | Mtu Muenchen Gmbh | Bürstendichtung |
DE3828363A1 (de) * | 1988-08-20 | 1990-02-22 | Mtu Muenchen Gmbh | Dichtungseinrichtung |
US5002288A (en) * | 1988-10-13 | 1991-03-26 | General Electric Company | Positive variable clearance labyrinth seal |
US5029876A (en) * | 1988-12-14 | 1991-07-09 | General Electric Company | Labyrinth seal system |
US4989886A (en) * | 1988-12-30 | 1991-02-05 | Textron Inc. | Braided filamentary sealing element |
GB8907695D0 (en) * | 1989-04-05 | 1989-05-17 | Cross Mfg Co | Seals |
US5029875A (en) * | 1989-07-07 | 1991-07-09 | Textron Inc. | Fluid seal structure |
FR2650048B1 (fr) * | 1989-07-21 | 1992-05-07 | Alsthom Gec | Garniture d'etancheite pour arbre rotatif |
JPH03209068A (ja) * | 1990-01-10 | 1991-09-12 | Hitachi Ltd | ブラシ形シール |
GB9008917D0 (en) * | 1990-04-20 | 1990-06-20 | Cross Mfg Co | Brush seals |
US5066025A (en) * | 1990-06-18 | 1991-11-19 | Hanrahan Paul R | Brush seal assembly |
JPH0437520U (zh) * | 1990-07-23 | 1992-03-30 | ||
US5074748A (en) * | 1990-07-30 | 1991-12-24 | General Electric Company | Seal assembly for segmented turbine engine structures |
GB9020317D0 (en) * | 1990-09-18 | 1990-10-31 | Cross Mfg Co | Sealing devices |
US5106104A (en) * | 1990-10-11 | 1992-04-21 | General Electric Company | Constant pressure drop multiple stage brush seal |
US5076590A (en) * | 1990-11-26 | 1991-12-31 | The United States Of America, As Represented By The Administrator Of The National Aeronautics And Space Administration | High temperature, flexible pressure-actuated, brush seal |
GB2250789B (en) * | 1990-12-12 | 1994-03-30 | Rolls Royce Plc | Brush seal arrangement |
GB2250790B (en) * | 1990-12-12 | 1994-04-27 | Rolls Royce Plc | Brush seal |
GB9103459D0 (en) * | 1991-02-19 | 1991-04-03 | Cross Mfg Co | Brush seal assembly |
US5110033A (en) * | 1991-02-21 | 1992-05-05 | United Technologies Corporation | Segmented brush seal |
US5176389A (en) * | 1991-02-21 | 1993-01-05 | United Technologies | Segmented brush seal |
US5374068A (en) * | 1991-05-07 | 1994-12-20 | General Electric Co. | Method for providing uniform radial clearance of labyrinth seals between rotating and stationary components |
US5114159A (en) * | 1991-08-05 | 1992-05-19 | United Technologies Corporation | Brush seal and damper |
US5183197A (en) * | 1991-08-07 | 1993-02-02 | Technetics Corp. | Bundle and place method for the manufacture of brush seals |
US5181728A (en) * | 1991-09-23 | 1993-01-26 | General Electric Company | Trenched brush seal |
US5201530A (en) * | 1991-10-18 | 1993-04-13 | United Technologies Corporation | Multi-layered brush seal |
FR2690493B1 (fr) * | 1992-04-23 | 1996-10-25 | Snecma | Joint annulaire a brosse. |
US5318309A (en) * | 1992-05-11 | 1994-06-07 | General Electric Company | Brush seal |
US5400586A (en) * | 1992-07-28 | 1995-03-28 | General Electric Co. | Self-accommodating brush seal for gas turbine combustor |
US5335920A (en) * | 1992-08-20 | 1994-08-09 | General Electric Company | Brush seal |
US5749584A (en) * | 1992-11-19 | 1998-05-12 | General Electric Company | Combined brush seal and labyrinth seal segment for rotary machines |
US5474306A (en) * | 1992-11-19 | 1995-12-12 | General Electric Co. | Woven seal and hybrid cloth-brush seals for turbine applications |
JPH06173586A (ja) * | 1992-12-10 | 1994-06-21 | Nippon Guriisu Kk | シールド掘進機のテールシール部の止水方法 |
US5401036A (en) * | 1993-03-22 | 1995-03-28 | Eg & G Sealol, Inc. | Brush seal device having a recessed back plate |
US5351971A (en) * | 1993-05-21 | 1994-10-04 | Eg&G Sealol, Inc. | Brush seal device having a floating backplate |
US5524340A (en) * | 1994-09-13 | 1996-06-11 | General Electric Co. | Method for modifying a turbine diaphragm for use with a reduced rotor lan diameter |
US5597167A (en) * | 1994-09-28 | 1997-01-28 | United Technologies Corporation | Brush seal with fool proofing and anti-rotation tab |
US5509780A (en) * | 1995-03-08 | 1996-04-23 | General Electric Co. | Apparatus and method for providing uniform radial clearance of seals between rotating and stationary components |
GB2301635B (en) * | 1995-04-12 | 1998-09-16 | Gec Alsthom Ltd | Shaft seal arrangement |
US5678898A (en) * | 1995-04-17 | 1997-10-21 | General Electric Company | Method for making a brush seal |
US5599026A (en) * | 1995-09-06 | 1997-02-04 | Innovative Technology, L.L.C. | Turbine seal with sealing strip and rubbing strip |
US5630590A (en) * | 1996-03-26 | 1997-05-20 | United Technologies Corporation | Method and apparatus for improving the airsealing effectiveness in a turbine engine |
-
1997
- 1997-10-23 US US08/956,686 patent/US6027121A/en not_active Expired - Lifetime
-
1998
- 1998-07-15 TW TW087111502A patent/TW384353B/zh not_active IP Right Cessation
- 1998-10-15 JP JP10293143A patent/JPH11201293A/ja active Pending
- 1998-10-15 KR KR10-1998-0043110A patent/KR100503999B1/ko not_active IP Right Cessation
- 1998-10-23 EP EP98308700A patent/EP0911554B1/en not_active Expired - Lifetime
- 1998-10-23 DE DE69820960T patent/DE69820960T2/de not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TWI409383B (zh) * | 2007-09-24 | 2013-09-21 | Alstom Technology Ltd | 燃氣渦輪機之密封件 |
CN107355540A (zh) * | 2017-08-18 | 2017-11-17 | 国网湖南省电力公司 | 间隙自适应调整密封结构 |
CN115315235A (zh) * | 2020-02-19 | 2022-11-08 | 康沃特克有限公司 | 用于造口术装置的出口阀 |
Also Published As
Publication number | Publication date |
---|---|
US6027121A (en) | 2000-02-22 |
KR100503999B1 (ko) | 2005-10-24 |
JPH11201293A (ja) | 1999-07-27 |
DE69820960T2 (de) | 2004-12-09 |
EP0911554A1 (en) | 1999-04-28 |
KR19990037110A (ko) | 1999-05-25 |
DE69820960D1 (de) | 2004-02-12 |
EP0911554B1 (en) | 2004-01-07 |
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