KR20170061154A - 클리어런스 제어형 시일 구조 - Google Patents
클리어런스 제어형 시일 구조 Download PDFInfo
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- KR20170061154A KR20170061154A KR1020177011528A KR20177011528A KR20170061154A KR 20170061154 A KR20170061154 A KR 20170061154A KR 1020177011528 A KR1020177011528 A KR 1020177011528A KR 20177011528 A KR20177011528 A KR 20177011528A KR 20170061154 A KR20170061154 A KR 20170061154A
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- seal ring
- control type
- clearance control
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- concave portion
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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
- 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
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
- F01D11/24—Actively adjusting tip-clearance by selectively cooling-heating stator or rotor components
-
- 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
- F01D11/001—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between stator blade and rotor
-
- 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
- F01D11/003—Preventing or minimising internal leakage of working-fluid, e.g. between stages by packing rings; Mechanical seals
-
- 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
- F01D11/025—Seal clearance control; Floating assembly; Adaptation means to differential thermal dilatations
-
- 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
- F01D11/04—Preventing or minimising internal leakage of working-fluid, e.g. between stages by non-contact sealings, e.g. of labyrinth type using sealing fluid, e.g. steam
- F01D11/06—Control thereof
-
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/10—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using sealing fluid, e.g. steam
-
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
- F01D11/14—Adjusting or regulating tip-clearance, i.e. distance between rotor-blade tips and stator casing
- F01D11/20—Actively adjusting tip-clearance
-
- 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
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/28—Arrangement of seals
-
- 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
- F16J15/002—Sealings comprising at least two sealings in succession
-
- 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
- F16J15/18—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
- F16J15/24—Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings with radially or tangentially compressed packing
-
- 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
- F16J15/445—Free-space packings with means for adjusting the clearance
-
- 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
- F05D2240/00—Components
- F05D2240/55—Seals
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Devices (AREA)
Abstract
Description
도 2는 본 발명의 실시예 2에 관한 클리어런스 제어형 시일 구조를 설명하는 단면도이다.
도 3은 본 발명의 실시예 3에 관한 클리어런스 제어형 시일 구조를 설명하는 단면도이다.
11a: 제1 감합부
11b, 31b: 제1 확장부
11b-1: 제1 마모성 부분
11b-2, 31b-2, 41b-2: 오목부
12, 32, 42: 제2 마모성 시일 링
12a: 제2 감합부
12b, 32b: 제2 확장부
12b-1: 제2 마모성 부분
12b-2, 32b-2: 볼록부
42b-2: 원호상 평판부
42b-3: 제2 오목부
21: 로터
21a: 핀
22: 하우징
23: 홈
23a: 확대부
23a-1: 외주 측 벽면
23a-2: 내주 측 벽면
Claims (10)
- 터빈에 있어서의 하우징의 내주면에 대해, 축 방향으로 복수 개 나란히 형성된 원호상 홈과,
상기 홈에 소정의 간극을 갖고 감합된 감합부, 및 상기 하우징으로부터 직경 방향 내측으로 노출되어 축 방향으로 확장된 확장부를 갖고, 운전 중, 상기 홈 내부의 배면 압력에 의해 직경 방향 내측을 향해 이동하는 힘을 받는 복수의 시일 링을 구비하며,
상기 복수의 시일 링 중 적어도 축 방향으로 인접하는 제1 시일 링 및 제2 시일 링에 있어서,
상기 제1 시일 링은 상기 제2 시일 링보다도 고부하로 작동하는 것으로 하고,
상기 제2 시일 링의 상기 확장부인 제2 확장부가, 상기 제1 시일 링의 상기 확장부인 제1 확장부를 직경 방향 내측으로 가압 가능으로 하도록, 서로의 일부가 직경 방향으로 중복하고 있는
것을 특징으로 하는, 클리어런스 제어형 시일 구조. - 제1항에 있어서,
상기 제2 확장부에는,
상기 제1 시일 링 측 단부의 외주면에 있어서, 상기 제1 시일 링 측을 향해 더욱 확장된 볼록부가 형성되고,
상기 제1 확장부에는,
상기 제2 시일 링 측 단부의 외주면에 있어서, 상기 볼록부에 대응하는 오목부가 형성되며,
상기 볼록부가 상기 오목부에 삽입되어 있는
것을 특징으로 하는, 클리어런스 제어형 시일 구조. - 제1항에 있어서,
상기 제2 확장부에는,
상기 제1 시일 링 측 단부의 외주면으로부터 소정의 장경 방향 내측에 있어서, 상기 제1 시일 링 측을 향해 더욱 확장된 볼록부가 형성되고,
상기 제1 확장부에는,
상기 제2 시일 링 측 단부의 외주면으로부터 소정의 장경 방향 내측에 있어서, 상기 볼록부에 대응하는 오목부가 형성되며,
상기 볼록부가 상기 오목부에 삽입되어 있는
것을 특징으로 하는, 클리어런스 제어형 시일 구조. - 제1항에 있어서,
상기 제1 확장부에는,
상기 제2 시일 링 측 단부의 외주면으로부터 소정의 장경 방향 내측에 있어서, 상기 제2 시일 링 측을 향해 더욱 확장된 볼록부가 형성되고,
상기 제2 확장부에는,
상기 제1 시일 링 측 단부의 외주면으로부터 소정의 장경 방향 내측에 있어서, 상기 볼록부에 대응하는 오목부가 형성되며,
상기 볼록부가 상기 오목부에 삽입되어 있는
것을 특징으로 하는, 클리어런스 제어형 시일 구조. - 제1항에 있어서,
상기 제2 확장부에는,
상기 제1 시일 링 측 단부의 외주면으로부터 소정의 장경 방향 내측에 있어서, 제2 오목부가 형성되고,
상기 제2 오목부에는, 상기 제2 오목부에 대응하는 형상의 원호상 평판부의 일부가 삽입되며,
상기 제1 확장부에는,
상기 원호상 평판부에 대응하는 제1 오목부가 형성되고,
상기 원호상 평판부가 상기 제1 오목부에 일부 삽입되어 있는
것을 특징으로 하는, 클리어런스 제어형 시일 구조. - 제1항에 기재된 클리어런스 제어형 시일 구조를 갖는 것을 특징으로 하는 터빈.
- 제2항에 기재된 클리어런스 제어형 시일 구조를 갖는 것을 특징으로 하는 터빈.
- 제3항에 기재된 클리어런스 제어형 시일 구조를 갖는 것을 특징으로 하는 터빈.
- 제4항에 기재된 클리어런스 제어형 시일 구조를 갖는 것을 특징으로 하는 터빈.
- 제5항에 기재된 클리어런스 제어형 시일 구조를 갖는 것을 특징으로 하는 터빈.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JPJP-P-2014-221050 | 2014-10-30 | ||
| JP2014221050A JP6161208B2 (ja) | 2014-10-30 | 2014-10-30 | クリアランス制御型シール構造 |
| PCT/JP2015/080314 WO2016068159A1 (ja) | 2014-10-30 | 2015-10-28 | クリアランス制御型シール構造 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20170061154A true KR20170061154A (ko) | 2017-06-02 |
| KR102102028B1 KR102102028B1 (ko) | 2020-04-20 |
Family
ID=55857494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020177011528A Active KR102102028B1 (ko) | 2014-10-30 | 2015-10-28 | 클리어런스 제어형 시일 구조 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10619505B2 (ko) |
| JP (1) | JP6161208B2 (ko) |
| KR (1) | KR102102028B1 (ko) |
| CN (1) | CN107075964B (ko) |
| DE (1) | DE112015004950T5 (ko) |
| WO (1) | WO2016068159A1 (ko) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018207767A1 (de) | 2017-05-17 | 2019-01-17 | Mando Corporation | Elektrisches bremssystem und dieses verwendendes selbstprüfverfahren |
| KR20190106000A (ko) * | 2018-03-07 | 2019-09-18 | 두산중공업 주식회사 | 터빈 장치 |
| KR20190120147A (ko) * | 2019-10-17 | 2019-10-23 | 두산중공업 주식회사 | 터빈 장치 |
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2014
- 2014-10-30 JP JP2014221050A patent/JP6161208B2/ja active Active
-
2015
- 2015-10-28 DE DE112015004950.9T patent/DE112015004950T5/de active Pending
- 2015-10-28 CN CN201580058753.0A patent/CN107075964B/zh active Active
- 2015-10-28 KR KR1020177011528A patent/KR102102028B1/ko active Active
- 2015-10-28 WO PCT/JP2015/080314 patent/WO2016068159A1/ja not_active Ceased
- 2015-10-28 US US15/521,045 patent/US10619505B2/en active Active
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| JPS58222902A (ja) * | 1982-05-10 | 1983-12-24 | ゼネラル・エレクトリツク・カンパニイ | 蒸気タ−ビン用ロ−タ安定化ラビリンスシ−ル |
| JP2000120879A (ja) | 1998-10-20 | 2000-04-28 | Mitsubishi Heavy Ind Ltd | ターボ回転機械の自動調整シール |
| JP2002235504A (ja) * | 2001-02-06 | 2002-08-23 | Mitsubishi Heavy Ind Ltd | ガスタービンの静翼シュラウド |
| JP2003065076A (ja) | 2001-06-18 | 2003-03-05 | General Electric Co <Ge> | タービンシール及び回転機械 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102018207767A1 (de) | 2017-05-17 | 2019-01-17 | Mando Corporation | Elektrisches bremssystem und dieses verwendendes selbstprüfverfahren |
| KR20190106000A (ko) * | 2018-03-07 | 2019-09-18 | 두산중공업 주식회사 | 터빈 장치 |
| US11162378B2 (en) | 2018-03-07 | 2021-11-02 | Doosan Heavy Industries & Construction Co., Ltd. | Turbine apparatus |
| KR20190120147A (ko) * | 2019-10-17 | 2019-10-23 | 두산중공업 주식회사 | 터빈 장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR102102028B1 (ko) | 2020-04-20 |
| US10619505B2 (en) | 2020-04-14 |
| JP6161208B2 (ja) | 2017-07-12 |
| DE112015004950T5 (de) | 2017-07-13 |
| JP2016089638A (ja) | 2016-05-23 |
| CN107075964A (zh) | 2017-08-18 |
| CN107075964B (zh) | 2019-05-17 |
| US20170328232A1 (en) | 2017-11-16 |
| WO2016068159A1 (ja) | 2016-05-06 |
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