NL173204C - Labyrintdichting met een blokkeermedium voor stoomturbines. - Google Patents
Labyrintdichting met een blokkeermedium voor stoomturbines.Info
- Publication number
- NL173204C NL173204C NLAANVRAGE7313824,A NL7313824A NL173204C NL 173204 C NL173204 C NL 173204C NL 7313824 A NL7313824 A NL 7313824A NL 173204 C NL173204 C NL 173204C
- Authority
- NL
- Netherlands
- Prior art keywords
- labyrint
- seal
- steam turbines
- blocking medium
- blocking
- Prior art date
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
- 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
-
- 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
- F01D15/00—Adaptations of machines or engines for special use; Combinations of engines with devices driven thereby
- F01D15/10—Adaptations for driving, or combinations with, electric generators
-
- 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
- F16J15/443—Free-space packings provided with discharge channels
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH1479072A CH550348A (de) | 1972-10-11 | 1972-10-11 | Sperrmedium-labyrinthdichtung. |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7313824A NL7313824A (nl) | 1974-04-16 |
NL173204B NL173204B (nl) | 1983-07-18 |
NL173204C true NL173204C (nl) | 1983-12-16 |
Family
ID=4403848
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7313824,A NL173204C (nl) | 1972-10-11 | 1973-10-09 | Labyrintdichting met een blokkeermedium voor stoomturbines. |
Country Status (9)
Country | Link |
---|---|
US (1) | US3906730A (nl) |
JP (1) | JPS4972502A (nl) |
CH (1) | CH550348A (nl) |
DE (1) | DE2253839C3 (nl) |
FR (1) | FR2203423A5 (nl) |
GB (1) | GB1404701A (nl) |
HU (1) | HU170788B (nl) |
NL (1) | NL173204C (nl) |
SE (1) | SE388454B (nl) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4078809A (en) * | 1977-01-17 | 1978-03-14 | Carrier Corporation | Shaft seal assembly for a rotary machine |
US4193603A (en) * | 1978-12-21 | 1980-03-18 | Carrier Corporation | Sealing system for a turbomachine |
DE2940943C2 (de) * | 1979-10-09 | 1984-09-06 | Helmut Dipl.-Chem. 8000 München Ulrich | Berührungsloses oder berührungsunabhängiges Dichtungssystem zum Abdichten gaserfüllter oder dampferfüllter Räume |
US4368895A (en) * | 1980-12-01 | 1983-01-18 | Mitsubishi Denki Kabushiki Kaisha | Shaft sealing device utilizing a non-uniform groove depth |
DE3127959A1 (de) * | 1981-07-10 | 1983-01-27 | Siemens AG, 1000 Berlin und 8000 München | Sperrmedium-labyrinthdichtung |
JPS5951109A (ja) * | 1982-09-17 | 1984-03-24 | Hitachi Ltd | 蒸気原動所の復水器真空保持装置 |
JPS6251701A (ja) * | 1985-08-29 | 1987-03-06 | Fuji Electric Co Ltd | ト−タルフロ−タ−ビン |
DE3782314T2 (de) * | 1986-11-14 | 1993-04-22 | Hitachi Eng Co Ltd | Sperrdamppfsystem fuer eine dampfturbine. |
NZ264077A (en) * | 1993-08-02 | 1996-05-28 | Ormat Ind Ltd | Geothermal power plant sealing system for containing leakage from high pressure end seal of back pressure turbine |
EP1619355A1 (de) * | 2004-07-20 | 2006-01-25 | Siemens Aktiengesellschaft | Lager und Dichtungsanordnung in einer Dampfturbine |
EP1712816A1 (de) * | 2005-04-14 | 2006-10-18 | Siemens Aktiengesellschaft | Dichtungssystem zur Abdichtung eines Prozessgasraumes gegen einen Dichtraum |
EP1961921A1 (de) * | 2007-02-26 | 2008-08-27 | Siemens Aktiengesellschaft | Dichtung für eine Strömungsmaschine |
US7458584B2 (en) * | 2007-02-27 | 2008-12-02 | United Technologies Corporation | Reverse flow tolerant brush seal |
JP4898743B2 (ja) * | 2008-06-09 | 2012-03-21 | 三菱重工業株式会社 | 回転機械のシール構造 |
US8061984B2 (en) | 2009-04-06 | 2011-11-22 | Dresser-Rand Company | Dry gas blow down seal |
US8888444B2 (en) * | 2011-05-16 | 2014-11-18 | General Electric Company | Steam seal system |
US8961144B2 (en) * | 2011-06-30 | 2015-02-24 | General Electric Company | Turbine disk preform, welded turbine rotor made therewith and methods of making the same |
US20130270775A1 (en) * | 2012-04-13 | 2013-10-17 | General Electric Company | Shaft sealing system for steam turbines |
US9540942B2 (en) * | 2012-04-13 | 2017-01-10 | General Electric Company | Shaft sealing system for steam turbines |
US9003799B2 (en) * | 2012-08-30 | 2015-04-14 | General Electric Company | Thermodynamic cycle optimization for a steam turbine cycle |
CN104074552B (zh) * | 2014-06-26 | 2016-07-06 | 江苏金通灵流体机械科技股份有限公司 | 利用汽封冷却高温汽轮机转子的***及方法 |
DE102014226954B3 (de) | 2014-12-23 | 2016-06-30 | Robert Bosch Gmbh | Expansionsmaschine mit Wellendichtring und Ventil |
CN107725119B (zh) * | 2017-12-06 | 2024-01-12 | 中国船舶重工集团公司第七0三研究所 | 一种高压腔室的嵌套式汽封平衡结构 |
CN109145420B (zh) * | 2018-08-08 | 2022-12-16 | 中国船舶重工集团公司第七一九研究所 | 基于汽动设备空气隔离的压强建模方法 |
CN112594013B (zh) * | 2020-12-11 | 2022-03-01 | 西安交通大学 | 用于有机工质透平轴端密封及工质回收的装置及方法 |
CN112855942B (zh) * | 2020-12-28 | 2022-04-12 | 东方电气集团东方汽轮机有限公司 | 一种闭式循环旋转机械的轴端密封*** |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1246039A (en) * | 1916-03-25 | 1917-11-13 | Westinghouse Electric & Mfg Co | Condensing steam-turbine plant. |
DE510720C (de) * | 1926-04-12 | 1930-10-22 | Bbc Brown Boveri & Cie | Fluessigkeitsgesperrte Stopfbuechse schnell umlaufender Wellen, insbesondere von Dampfturbinen und Kreiselverdichtern |
GB275726A (en) * | 1926-05-12 | 1927-08-12 | Charles Algernon Palsons | Improvements in and relating to shaft packings suitable for steam turbines |
DE571899C (de) * | 1930-08-28 | 1933-03-07 | Paul Wheeler Thompson | Einrichtung zum Verschluss der Wellendichtungen von Dampfturbinen |
DE1401440A1 (de) * | 1961-01-03 | 1968-10-24 | Licentia Gmbh | Einrichtung zur selbsttaetigen Steuerung des Arbeitsmitteldurchlasses in den Sperrdampfleitungen fuer die Stopfbuchsen von mehrgehaeusigen Dampf- oder Gasturbinen |
US3251601A (en) * | 1963-03-20 | 1966-05-17 | Gen Motors Corp | Labyrinth seal |
US3414274A (en) * | 1965-06-01 | 1968-12-03 | Harrworth Inc | Controlled leakage, close clearance seal system |
GB1193800A (en) * | 1968-01-04 | 1970-06-03 | Westinghouse Electric Corp | High Pressure Fluid Gland System for Rotary Shafts |
US3604206A (en) * | 1968-07-31 | 1971-09-14 | Gen Electric | Shaft-sealing system for nuclear turbines |
-
1972
- 1972-10-11 CH CH1479072A patent/CH550348A/xx not_active IP Right Cessation
- 1972-11-03 DE DE2253839A patent/DE2253839C3/de not_active Expired
-
1973
- 1973-09-20 JP JP48106425A patent/JPS4972502A/ja active Pending
- 1973-10-05 US US403884A patent/US3906730A/en not_active Expired - Lifetime
- 1973-10-08 FR FR7335818A patent/FR2203423A5/fr not_active Expired
- 1973-10-08 SE SE7313678A patent/SE388454B/xx unknown
- 1973-10-09 NL NLAANVRAGE7313824,A patent/NL173204C/nl not_active IP Right Cessation
- 1973-10-09 GB GB4707273A patent/GB1404701A/en not_active Expired
- 1973-10-09 HU HU73BO00001467A patent/HU170788B/hu not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
DE2253839B2 (de) | 1980-07-24 |
CH550348A (de) | 1974-06-14 |
US3906730A (en) | 1975-09-23 |
FR2203423A5 (nl) | 1974-05-10 |
DE2253839C3 (de) | 1984-01-12 |
SE388454B (sv) | 1976-10-04 |
JPS4972502A (nl) | 1974-07-12 |
GB1404701A (en) | 1975-09-03 |
NL7313824A (nl) | 1974-04-16 |
DE2253839A1 (de) | 1974-04-18 |
HU170788B (hu) | 1977-09-28 |
NL173204B (nl) | 1983-07-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BA | A request for search or an international-type search has been filed | ||
BB | A search report has been drawn up | ||
BC | A request for examination has been filed | ||
V1 | Lapsed because of non-payment of the annual fee |