RU98122208A - BRUSH SEAL - Google Patents

BRUSH SEAL

Info

Publication number
RU98122208A
RU98122208A RU98122208/06A RU98122208A RU98122208A RU 98122208 A RU98122208 A RU 98122208A RU 98122208/06 A RU98122208/06 A RU 98122208/06A RU 98122208 A RU98122208 A RU 98122208A RU 98122208 A RU98122208 A RU 98122208A
Authority
RU
Russia
Prior art keywords
contact elements
brush seal
holder
seal according
rotor
Prior art date
Application number
RU98122208/06A
Other languages
Russian (ru)
Other versions
RU2158864C2 (en
Inventor
Альфред Майр
Original Assignee
Мту Моторен-Унд Турбинен-Унион Мюнхен Гмбх
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
Priority claimed from DE19618475A external-priority patent/DE19618475B4/en
Application filed by Мту Моторен-Унд Турбинен-Унион Мюнхен Гмбх filed Critical Мту Моторен-Унд Турбинен-Унион Мюнхен Гмбх
Application granted granted Critical
Publication of RU2158864C2 publication Critical patent/RU2158864C2/en
Publication of RU98122208A publication Critical patent/RU98122208A/en

Links

Claims (5)

1. Щеточное уплотнение, разделяющее два различающиеся по давлению (Р1, Р2) пространства между статором (20) и ротором (10) турбомашины и снабженное контактными элементами ("щетинками") (30), отогнутые контактные участки (31) которых касаются своими концами уплотняемой поверхности ротора (10), отличающееся тем, что предусмотрен держатель для контактных элементов (30), содержащий расположенный поперек направления контактных элементов по меньшей мере один упор (34, 35), расположение которого от отогнутых участков (31) контактных элементов определено расстоянием (а), рассчитанным на условия получения необходимого отпружинивания упругих контактных элементов (30).1. A brush seal dividing the two pressure-different spaces (P1, P2) between the stator (20) and the rotor (10) of the turbomachine and provided with contact elements (“bristles”) (30), the bent contact sections (31) of which touch their ends the rotor’s sealing surface (10), characterized in that a holder for contact elements (30) is provided, comprising at least one stop (34, 35) located across the direction of the contact elements, whose distance from the bent sections (31) of the contact elements is determined by the distance Niemi (a), calculated on the necessary conditions for obtaining otpruzhinivaniya elastic contact elements (30). 2. Щеточное уплотнение по п. 1, отличающееся тем, что отогнутые участки (31) контактных элементов выполнены, короче, чем зафиксированные в держателе хвостовики (32) контактных элементов (30). 2. Brush seal according to claim 1, characterized in that the bent sections (31) of the contact elements are made shorter than the shanks of the contact elements (32) fixed in the holder (32) of the contact elements (30). 3. Щеточное уплотнение по п. 1 или 2, отличающееся тем, что держатель выполнен в виде листового кожуха (33), в котором упором является поперечно расположенный гофр (34). 3. Brush seal according to claim 1 or 2, characterized in that the holder is made in the form of a sheet casing (33), in which the emphasis is a transverse corrugation (34). 4. Щеточное уплотнение по п. 1 или 2, отличающееся тем, что упор выполнен в виде концевой кромки (35) держателя. 4. Brush seal according to claim 1 or 2, characterized in that the emphasis is made in the form of an end edge (35) of the holder. 5. Щеточное уплотнение по любому из пп. 1-4, отличающееся тем, что хвостовики (32) контактных элементов проходят параллельно оси ротора (10), а отогнутые участки (31) - в радиальном направлении. 5. Brush seal according to any one of paragraphs. 1-4, characterized in that the shanks (32) of the contact elements are parallel to the axis of the rotor (10), and the bent sections (31) in the radial direction.
RU98122208/06A 1996-05-08 1997-03-26 Brush seal RU2158864C2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19618475.4 1996-05-08
DE19618475A DE19618475B4 (en) 1996-05-08 1996-05-08 brush seal

Publications (2)

Publication Number Publication Date
RU2158864C2 RU2158864C2 (en) 2000-11-10
RU98122208A true RU98122208A (en) 2000-11-20

Family

ID=7793698

Family Applications (1)

Application Number Title Priority Date Filing Date
RU98122208/06A RU2158864C2 (en) 1996-05-08 1997-03-26 Brush seal

Country Status (11)

Country Link
US (1) US6059526A (en)
EP (1) EP0897459B1 (en)
JP (1) JP3889054B2 (en)
CN (1) CN1080815C (en)
AT (1) ATE204361T1 (en)
CA (1) CA2253601C (en)
DE (2) DE19618475B4 (en)
ES (1) ES2162269T3 (en)
NO (1) NO322623B1 (en)
RU (1) RU2158864C2 (en)
WO (1) WO1997042399A1 (en)

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DE19855742C1 (en) * 1998-12-03 2000-09-14 Mtu Muenchen Gmbh Brush seal with angled bristles
DE19938268A1 (en) * 1999-08-12 2001-02-15 Abb Schweiz Ag Sealing device for the gap between rotor and stator of a turbo machine has brush seal holder with support elements having elastic yield in axial and radial direction
DE19962316C2 (en) 1999-12-23 2002-07-18 Mtu Aero Engines Gmbh brush seal
US6540231B1 (en) * 2000-02-29 2003-04-01 General Electric Company Surface following brush seal
DE10017643B4 (en) * 2000-04-08 2005-10-20 Mtu Aero Engines Gmbh Seal in non-hermetic design
US6502825B2 (en) * 2000-12-26 2003-01-07 General Electric Company Pressure activated cloth seal
US7578509B2 (en) 2001-02-23 2009-08-25 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
US6644667B2 (en) 2001-02-23 2003-11-11 Cmg Tech, Llc Seal assembly and rotary machine containing such seal
US6508624B2 (en) 2001-05-02 2003-01-21 Siemens Automotive, Inc. Turbomachine with double-faced rotor-shroud seal structure
JP4944312B2 (en) * 2001-06-29 2012-05-30 イーグル工業株式会社 Brush seal device
GB0203492D0 (en) * 2002-02-14 2002-04-03 Rolls Royce Plc Brush seal
AU2003227892A1 (en) * 2002-04-26 2003-11-10 Cross Manufacturing Company (1938) Limited Brush seals
US6679500B1 (en) 2002-09-25 2004-01-20 Alstom (Switzerland) Ltd Coal pulverizer brush seal assembly
US6779799B2 (en) * 2002-11-27 2004-08-24 General Electric Company Sealing apparatus for electrical generator ventilation system
US6887038B2 (en) * 2003-09-02 2005-05-03 General Electric Company Methods and apparatus to facilitate sealing between rotating turbine shafts
FR2865012B1 (en) * 2004-01-12 2006-03-17 Snecma Moteurs SEALING DEVICE FOR TURBOMACHINE HIGH-PRESSURE TURBINE
GB2410533B (en) * 2004-01-28 2006-02-08 Rolls Royce Plc Sealing arrangement
US20070187900A1 (en) * 2004-05-04 2007-08-16 Advanced Components & Materials, Inc. Non-metallic brush seals
US20090072486A1 (en) * 2004-05-04 2009-03-19 Rexnord Industries, Llc Brush seal
DE102006034483A1 (en) * 2006-07-21 2008-01-24 Alstom Technology Ltd. Regenerative air preheater with brush seal
EP1890056A1 (en) * 2006-08-16 2008-02-20 Siemens Aktiengesellschaft Brush seal for a turbomachine
DE102006049634A1 (en) * 2006-10-20 2008-04-24 Mtu Aero Engines Gmbh sealing arrangement
EP1998089B1 (en) * 2007-05-30 2009-08-26 Carl Freudenberg KG Seal assembly, gasket and its use
US8596973B2 (en) * 2009-12-07 2013-12-03 Cmg Tech, Llc Leaf seal assembly including polymer member and rotary machine containing such seal assembly
US9121297B2 (en) * 2011-03-28 2015-09-01 General Electric Company Rotating brush seal
US9528384B2 (en) * 2011-06-27 2016-12-27 General Electric Company Brush seal
US8888445B2 (en) * 2011-08-19 2014-11-18 General Electric Company Turbomachine seal assembly
GB201202104D0 (en) * 2012-02-08 2012-03-21 Rolls Royce Plc Leaf seal
CN104114918B (en) * 2012-04-08 2016-10-26 伊格尔工业股份有限公司 Brush seal
DE102013219832B3 (en) * 2013-09-30 2015-03-12 MTU Aero Engines AG Brush seal for a turbo machine
WO2015053935A1 (en) * 2013-10-11 2015-04-16 United Technologies Corporation Non-linearly deflecting brush seal land
US9587505B2 (en) * 2013-12-05 2017-03-07 General Electric Company L brush seal for turbomachinery application
US9322287B2 (en) * 2014-06-03 2016-04-26 General Electric Company Brush seal for turbine
US10400896B2 (en) * 2014-08-28 2019-09-03 United Technologies Corporation Dual-ended brush seal assembly and method of manufacture
US11486497B2 (en) 2017-07-19 2022-11-01 Raytheon Technologies Corporation Compact brush seal
CN109899520A (en) * 2019-01-17 2019-06-18 广东元一科技实业有限公司 A kind of side seal assembly for conveyer belt work support platform
CN110359967B (en) * 2019-07-19 2021-08-17 中国航发沈阳发动机研究所 High-pressure-difference-resistant brush type sealing device

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