NL7501673A - METHOD AND INSTALLATION FOR INCREASING THE DYNAMIC POWER LIMIT OF TURBINES AND COMPACTORS. - Google Patents
METHOD AND INSTALLATION FOR INCREASING THE DYNAMIC POWER LIMIT OF TURBINES AND COMPACTORS.Info
- Publication number
- NL7501673A NL7501673A NL7501673A NL7501673A NL7501673A NL 7501673 A NL7501673 A NL 7501673A NL 7501673 A NL7501673 A NL 7501673A NL 7501673 A NL7501673 A NL 7501673A NL 7501673 A NL7501673 A NL 7501673A
- Authority
- NL
- Netherlands
- Prior art keywords
- compactors
- turbines
- installation
- increasing
- power limit
- 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
- F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
-
- 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
- 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
- F16J15/4472—Labyrinth packings with axial path
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2413655A DE2413655C3 (en) | 1974-03-21 | 1974-03-21 | Device for dynamic stabilization of the rotor of a gas or steam turbine |
US56223575A | 1975-03-26 | 1975-03-26 | |
US71624676A | 1976-08-20 | 1976-08-20 | |
US05/957,290 US4370094A (en) | 1974-03-21 | 1978-11-02 | Method of and device for avoiding rotor instability to enhance dynamic power limit of turbines and compressors |
Publications (3)
Publication Number | Publication Date |
---|---|
NL7501673A true NL7501673A (en) | 1975-09-23 |
NL176388B NL176388B (en) | 1984-11-01 |
NL176388C NL176388C (en) | 1985-04-01 |
Family
ID=27431835
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NLAANVRAGE7501673,A NL176388C (en) | 1974-03-21 | 1975-02-13 | DYNAMICALLY STABILIZED TURBINE FOR A GASEOUS MEDIUM. |
Country Status (11)
Country | Link |
---|---|
JP (1) | JPS5949401B2 (en) |
AT (1) | AT391918B (en) |
CH (1) | CH589787A5 (en) |
CS (1) | CS190320B2 (en) |
DD (1) | DD119847A5 (en) |
DE (1) | DE2413655C3 (en) |
FR (1) | FR2264964A1 (en) |
GB (1) | GB1505534A (en) |
IN (1) | IN144140B (en) |
NL (1) | NL176388C (en) |
SE (1) | SE410488B (en) |
Families Citing this family (38)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5311202A (en) * | 1976-07-19 | 1978-02-01 | Hitachi Ltd | Steam turbine step-setting structure |
GB1560974A (en) * | 1977-03-26 | 1980-02-13 | Rolls Royce | Sealing system for rotors |
JPS53122002A (en) * | 1977-03-31 | 1978-10-25 | Hitachi Ltd | Seal device |
FR2406074A1 (en) * | 1977-10-11 | 1979-05-11 | Snecma | SAFETY DEVICE FOR AXIAL ROTATING MACHINE |
JPS5841037Y2 (en) * | 1979-10-21 | 1983-09-16 | 三菱重工業株式会社 | Two-stage washing compression dehydration equipment |
JPS58178262A (en) * | 1982-04-12 | 1983-10-19 | Mitsubishi Electric Corp | Voltage divider |
JPS58165201U (en) * | 1982-04-30 | 1983-11-02 | 三菱重工業株式会社 | Turbine blade seal structure |
US4420161A (en) * | 1982-05-10 | 1983-12-13 | General Electric Company | Rotor stabilizing labyrinth seals for steam turbines |
JPS601306A (en) * | 1983-06-16 | 1985-01-07 | Toshiba Corp | Axial flow turbine |
JPS6029450A (en) * | 1983-07-26 | 1985-02-14 | Kanto Tokushu Seikou Kk | Tool steel for cold working |
JPS6052306U (en) * | 1983-09-05 | 1985-04-12 | 三菱重工業株式会社 | Labyrinth seal for turbo machinery |
CH669241A5 (en) * | 1985-11-27 | 1989-02-28 | Sulzer Ag | AXIAL PUSH COMPENSATING DEVICE FOR LIQUID PUMP. |
DE59201833D1 (en) * | 1991-10-08 | 1995-05-11 | Asea Brown Boveri | Shroud for turbine with axial flow. |
FR2687429B1 (en) * | 1992-02-17 | 1994-04-01 | Gec Alsthom Sa | METHOD AND DEVICE FOR REMOVING THE INSTABILITY OF A STEAM TURBINE. |
DE4331779A1 (en) * | 1993-09-18 | 1995-03-23 | Abb Management Ag | Method and device for reducing the gap-flow mixing losses and gap excitation in rotary thermal machines |
US6109618A (en) * | 1997-05-07 | 2000-08-29 | Kalsi Engineering, Inc. | Rotary seal with enhanced lubrication and contaminant flushing |
EP0903468B1 (en) * | 1997-09-19 | 2003-08-20 | ALSTOM (Switzerland) Ltd | Gap sealing device |
EP0943849A1 (en) | 1998-03-19 | 1999-09-22 | Asea Brown Boveri AG | Contactless seal for turbomachines |
DE59808709D1 (en) | 1998-11-10 | 2003-07-17 | Alstom Switzerland Ltd | Tip seal for turbine blades |
EP1001139B1 (en) | 1998-11-10 | 2004-01-07 | ALSTOM (Switzerland) Ltd | Turbine blade tip sealing |
US20090097979A1 (en) * | 2007-07-31 | 2009-04-16 | Omer Duane Erdmann | Rotor blade |
DE102008060706A1 (en) * | 2008-12-05 | 2010-06-10 | Man Turbo Ag | Nozzle segment for a steam turbine |
JP5517530B2 (en) * | 2009-09-03 | 2014-06-11 | 三菱重工業株式会社 | Turbine |
DE102009042857A1 (en) * | 2009-09-24 | 2011-03-31 | Rolls-Royce Deutschland Ltd & Co Kg | Gas turbine with shroud labyrinth seal |
DE102009052314A1 (en) * | 2009-11-07 | 2011-05-12 | Mtu Aero Engines Gmbh | Sealing arrangement for a gas turbine and such a gas turbine |
JP5147885B2 (en) | 2010-03-26 | 2013-02-20 | 株式会社日立製作所 | Rotor vibration preventing structure and steam turbine using the same |
JP5774963B2 (en) * | 2011-10-21 | 2015-09-09 | 三菱重工業株式会社 | Sealing device |
JP5643245B2 (en) * | 2012-02-27 | 2014-12-17 | 三菱日立パワーシステムズ株式会社 | Turbo machine |
ITCO20120019A1 (en) * | 2012-04-27 | 2013-10-28 | Nuovo Pignone Srl | LABYRINTH HIGHLY DAMPENED SEALS WITH HELICOIDAL AND CYLINDRICAL-MIXED SHAPE |
JP5951890B2 (en) | 2013-04-03 | 2016-07-13 | 三菱重工業株式会社 | Rotating machine |
EP2840229A1 (en) * | 2013-08-23 | 2015-02-25 | Siemens Aktiengesellschaft | Flow guide within a steam turbine seal |
RU2624691C1 (en) * | 2016-05-10 | 2017-07-05 | Акционерное общество "Научно-производственный центр газотурбостроения "Салют" (АО "НПЦ газотурбостроения "Салют") | Device for cooling sealing flanges of turbine rotor blade platforms |
JP6827346B2 (en) * | 2017-03-13 | 2021-02-10 | 三菱重工業株式会社 | Axial turbine |
JP6986426B2 (en) * | 2017-11-29 | 2021-12-22 | 三菱重工業株式会社 | Turbine |
JP6924233B2 (en) * | 2019-08-30 | 2021-08-25 | 三菱パワー株式会社 | Rotating machine |
CN112796841B (en) * | 2020-12-25 | 2022-03-15 | 东方电气集团东方汽轮机有限公司 | Structure for reducing steam leakage of gap bridge steam seal |
CN112610287A (en) * | 2020-12-29 | 2021-04-06 | 中国神华能源股份有限公司国华电力分公司 | High pressure steam turbine blade top gland structure |
CN113606344B (en) * | 2021-07-30 | 2022-12-09 | 西安交通大学 | Labyrinth seal based on optimized rotor dynamic characteristics of inter-tooth anti-rotation plate |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE490276C (en) * | 1927-05-31 | 1930-01-25 | Carl Schmieske | Labyrinth seal for steam and gas turbines |
DE650759C (en) * | 1935-04-05 | 1937-09-30 | Rudolf Loewenstein Dipl Ing | Gap seal for rotating machines |
US3132906A (en) * | 1959-08-26 | 1964-05-12 | Gen Electric | Hydrodynamic devices |
JPS501646B1 (en) * | 1970-07-11 | 1975-01-20 | ||
JPS476263U (en) * | 1971-02-12 | 1972-09-21 | ||
CH528010A (en) * | 1971-02-19 | 1972-09-15 | Bbc Brown Boveri & Cie | Process for influencing the vibration behavior |
-
1974
- 1974-03-21 DE DE2413655A patent/DE2413655C3/en not_active Expired
-
1975
- 1975-02-13 NL NLAANVRAGE7501673,A patent/NL176388C/en not_active IP Right Cessation
- 1975-02-27 CS CS751329A patent/CS190320B2/en unknown
- 1975-03-06 CH CH281475A patent/CH589787A5/de not_active IP Right Cessation
- 1975-03-19 JP JP50033481A patent/JPS5949401B2/en not_active Expired
- 1975-03-19 DD DD184879A patent/DD119847A5/en unknown
- 1975-03-20 FR FR7508705A patent/FR2264964A1/en active Granted
- 1975-03-20 GB GB11549/75A patent/GB1505534A/en not_active Expired
- 1975-03-20 AT AT0215875A patent/AT391918B/en not_active IP Right Cessation
- 1975-03-21 SE SE7503311A patent/SE410488B/en not_active IP Right Cessation
- 1975-05-03 IN IN895/CAL/1975A patent/IN144140B/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE410488B (en) | 1979-10-15 |
ATA215875A (en) | 1990-06-15 |
FR2264964A1 (en) | 1975-10-17 |
DD119847A5 (en) | 1976-05-12 |
AT391918B (en) | 1990-12-27 |
FR2264964B1 (en) | 1979-03-02 |
GB1505534A (en) | 1978-03-30 |
JPS5949401B2 (en) | 1984-12-03 |
DE2413655A1 (en) | 1975-10-02 |
SE7503311L (en) | 1975-09-22 |
JPS50128008A (en) | 1975-10-08 |
NL176388C (en) | 1985-04-01 |
IN144140B (en) | 1978-04-01 |
CH589787A5 (en) | 1977-07-15 |
DE2413655C3 (en) | 1978-05-03 |
DE2413655B2 (en) | 1977-09-08 |
NL176388B (en) | 1984-11-01 |
CS190320B2 (en) | 1979-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
BC | A request for examination has been filed | ||
A85 | Still pending on 85-01-01 | ||
V4 | Discontinued because of reaching the maximum lifetime of a patent |