IT1283460B1 - Guarnizione a spazzola per turbomacchine - Google Patents

Guarnizione a spazzola per turbomacchine

Info

Publication number
IT1283460B1
IT1283460B1 IT96MI001505A ITMI961505A IT1283460B1 IT 1283460 B1 IT1283460 B1 IT 1283460B1 IT 96MI001505 A IT96MI001505 A IT 96MI001505A IT MI961505 A ITMI961505 A IT MI961505A IT 1283460 B1 IT1283460 B1 IT 1283460B1
Authority
IT
Italy
Prior art keywords
turbomachines
brush gasket
gasket
brush
Prior art date
Application number
IT96MI001505A
Other languages
English (en)
Inventor
Herbert Hoffelner
Original Assignee
Mtu Muenchen Gmbh
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 Mtu Muenchen Gmbh filed Critical Mtu Muenchen Gmbh
Publication of ITMI961505A0 publication Critical patent/ITMI961505A0/it
Publication of ITMI961505A1 publication Critical patent/ITMI961505A1/it
Application granted granted Critical
Publication of IT1283460B1 publication Critical patent/IT1283460B1/it

Links

Classifications

    • 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
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/02—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sealing Devices (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
IT96MI001505A 1995-08-11 1996-07-19 Guarnizione a spazzola per turbomacchine IT1283460B1 (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19529655A DE19529655C2 (de) 1995-08-11 1995-08-11 Bürstendichtung für Turbomaschinen

Publications (3)

Publication Number Publication Date
ITMI961505A0 ITMI961505A0 (it) 1996-07-19
ITMI961505A1 ITMI961505A1 (it) 1998-01-19
IT1283460B1 true IT1283460B1 (it) 1998-04-21

Family

ID=7769316

Family Applications (1)

Application Number Title Priority Date Filing Date
IT96MI001505A IT1283460B1 (it) 1995-08-11 1996-07-19 Guarnizione a spazzola per turbomacchine

Country Status (3)

Country Link
US (1) US5688105A (it)
DE (1) DE19529655C2 (it)
IT (1) IT1283460B1 (it)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1284468B1 (it) * 1995-07-28 1998-05-21 Mtu Muenchen Gmbh Guarnizione a spazzola per turbomacchine
GB2304158B (en) * 1995-08-11 1999-04-14 Mtu Muenchen Gmbh Brush seal
US5961279A (en) * 1996-05-31 1999-10-05 Atlantic Richfield Company Turbine power plant having minimal-contact brush seal augmented labyrinth seal
DE19720648C2 (de) * 1997-05-16 2000-07-13 Mtu Muenchen Gmbh Bürstendichtung mit Front- und Stützplatte
DE19720649C2 (de) * 1997-05-16 2000-09-28 Mtu Muenchen Gmbh Bürstendichtung
US5961280A (en) * 1997-09-12 1999-10-05 General Elecgtric Company Anti-hysteresis brush seal
US6231047B1 (en) * 1998-05-29 2001-05-15 Eg&G Engineered Products Brush seal
US6250640B1 (en) * 1998-08-17 2001-06-26 General Electric Co. Brush seals for steam turbine applications
GB9821927D0 (en) * 1998-10-08 1998-12-02 Rolls Royce Plc Improved brush seal
JP2001073708A (ja) * 1999-05-13 2001-03-21 General Electric Co <Ge> 剛毛を制動したブラシシールセグメント
US6226975B1 (en) 1999-09-14 2001-05-08 Steven G. Ingistov Turbine power plant having a floating brush seal
US6644667B2 (en) 2001-02-23 2003-11-11 Cmg Tech, Llc Seal assembly and rotary machine containing such seal
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
US20020121744A1 (en) * 2001-03-05 2002-09-05 General Electric Company Low leakage flexible cloth seals for turbine combustors
DE10163804B4 (de) * 2001-12-22 2005-07-07 Mtu Aero Engines Gmbh Bürstendichtung
US7270333B2 (en) * 2002-11-27 2007-09-18 United Technologies Corporation Brush seal with adjustable clearance
US6910858B2 (en) * 2002-12-26 2005-06-28 United Technologies Corporation Seal
DE10331601B4 (de) * 2003-07-12 2019-06-06 MTU Aero Engines AG Dichtungsanordnung und Verfahren zur Herstellung derselben
FR2865012B1 (fr) * 2004-01-12 2006-03-17 Snecma Moteurs Dispositif d'etancheite pour turbine haute-pression de turbomachine
EP1707856A1 (en) * 2005-04-01 2006-10-04 Cross Manufacturing Company (1938) Limited Brush seals
US7549835B2 (en) * 2006-07-07 2009-06-23 Siemens Energy, Inc. Leakage flow control and seal wear minimization system for a turbine engine
US8277177B2 (en) * 2009-01-19 2012-10-02 Siemens Energy, Inc. Fluidic rim seal system for turbine engines
US20100196139A1 (en) * 2009-02-02 2010-08-05 Beeck Alexander R Leakage flow minimization system for a turbine engine
US8596973B2 (en) * 2009-12-07 2013-12-03 Cmg Tech, Llc Leaf seal assembly including polymer member and rotary machine containing such seal assembly
US7938403B1 (en) * 2009-12-31 2011-05-10 General Electric Company Brush seals
US8382120B2 (en) * 2010-08-31 2013-02-26 General Electric Company Method and apparatus for compliant plate seals
DE102011051650B4 (de) * 2011-07-07 2020-04-30 Atlas Copco Energas Gmbh Turbomaschine
FR2995379B1 (fr) * 2012-09-10 2014-09-05 Commissariat Energie Atomique Joint circulaire d'etancheite a brosse
DE102013213386B3 (de) 2013-07-09 2014-08-14 MTU Aero Engines AG Strömungsmaschinen-Keramikbauteil
DE102013220168B4 (de) * 2013-10-07 2015-08-27 MTU Aero Engines AG Bürstendichtungssystem zum Abdichten eines Spalts zwischen relativ zueinander bewegbaren Bauteilen einer thermischen Gasturbine
CN104213944B (zh) * 2014-07-28 2016-03-30 江苏透平密封高科技股份有限公司 一种新型燃气轮机用刷式气封的制造方法
DE102015201401B4 (de) * 2015-01-28 2021-06-17 MTU Aero Engines AG Vorrichtung und Verfahren zur Befestigung von Dichtungselementen
US10563771B2 (en) * 2016-04-07 2020-02-18 United Technologies Corporation Wire mesh brush seal windage cover
WO2018058068A1 (en) * 2016-09-23 2018-03-29 Federal-Mogul Powertrain Llc Radial shaft seal assembly with debris exclusion member and method of construction thereof
CN107401427A (zh) * 2017-08-07 2017-11-28 昆明理工大学 一种可调接触间隙的低迟滞组合刷式密封
JP6876012B2 (ja) * 2018-02-19 2021-05-26 三菱パワー株式会社 シールセグメント及び回転機械

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3907614C2 (de) * 1988-01-29 2000-08-03 Mtu Muenchen Gmbh Bürstendichtung
DE3802653C2 (de) * 1988-01-29 2000-06-29 Mtu Muenchen Gmbh Bürstendichtung
US5031922A (en) * 1989-12-21 1991-07-16 Allied-Signal Inc. Bidirectional finger seal
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
GB2258277B (en) * 1991-07-29 1995-02-22 Europ Gas Turbines Ltd Brush seals
US5318309A (en) * 1992-05-11 1994-06-07 General Electric Company Brush seal
US5351971A (en) * 1993-05-21 1994-10-04 Eg&G Sealol, Inc. Brush seal device having a floating backplate
GB9317083D0 (en) * 1993-08-17 1993-09-29 Rolls Royce Plc A brush seal
US5400952A (en) * 1993-10-25 1995-03-28 General Electric Company Method and apparatus for damping a brush seal
DE4427265C1 (de) * 1994-07-30 1996-04-04 Mtu Muenchen Gmbh Bürstendichtung für Turbomaschinen zur Abdichtung unterschiedlich druckbeaufschlagter Räume zwischen einem Maschinenstator und einem Maschinenrotor

Also Published As

Publication number Publication date
US5688105A (en) 1997-11-18
ITMI961505A1 (it) 1998-01-19
ITMI961505A0 (it) 1996-07-19
DE19529655C2 (de) 1999-04-22
DE19529655A1 (de) 1997-02-13

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Legal Events

Date Code Title Description
0001 Granted