ITUB20160240A1 - Metodo e dispositivo per ridurre le perdite di trafilamento in una turbina - Google Patents

Metodo e dispositivo per ridurre le perdite di trafilamento in una turbina

Info

Publication number
ITUB20160240A1
ITUB20160240A1 ITUB2016A000240A ITUB20160240A ITUB20160240A1 IT UB20160240 A1 ITUB20160240 A1 IT UB20160240A1 IT UB2016A000240 A ITUB2016A000240 A IT UB2016A000240A IT UB20160240 A ITUB20160240 A IT UB20160240A IT UB20160240 A1 ITUB20160240 A1 IT UB20160240A1
Authority
IT
Italy
Prior art keywords
trafilation
leakages
turbine
reduce
Prior art date
Application number
ITUB2016A000240A
Other languages
English (en)
Inventor
Mario Gaia
Roberto Bini
Original Assignee
Turboden Srl
Turboden Spa
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 Turboden Srl, Turboden Spa filed Critical Turboden Srl
Priority to ITUB2016A000240A priority Critical patent/ITUB20160240A1/it
Priority to PCT/IB2017/050256 priority patent/WO2017125858A1/en
Priority to EP17704540.8A priority patent/EP3405653B1/en
Priority to US16/066,619 priority patent/US10895164B2/en
Publication of ITUB20160240A1 publication Critical patent/ITUB20160240A1/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
    • 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
    • F01D11/001—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
    • F01D11/02—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
    • F01D11/02—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
    • 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
    • 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
    • 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
    • F05D2260/00—Function
    • F05D2260/20—Heat transfer, e.g. cooling
    • F05D2260/232—Heat transfer, e.g. cooling characterized by the cooling medium
    • F05D2260/2322—Heat transfer, e.g. cooling characterized by the cooling medium steam

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Engine Equipment That Uses Special Cycles (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
ITUB2016A000240A 2016-01-20 2016-01-20 Metodo e dispositivo per ridurre le perdite di trafilamento in una turbina ITUB20160240A1 (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
ITUB2016A000240A ITUB20160240A1 (it) 2016-01-20 2016-01-20 Metodo e dispositivo per ridurre le perdite di trafilamento in una turbina
PCT/IB2017/050256 WO2017125858A1 (en) 2016-01-20 2017-01-18 Method and device for reducing leakage losses in a turbine
EP17704540.8A EP3405653B1 (en) 2016-01-20 2017-01-18 Method and device for reducing leakage losses in a turbine
US16/066,619 US10895164B2 (en) 2016-01-20 2017-01-18 Method and device for reducing leakage losses in a turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ITUB2016A000240A ITUB20160240A1 (it) 2016-01-20 2016-01-20 Metodo e dispositivo per ridurre le perdite di trafilamento in una turbina

Publications (1)

Publication Number Publication Date
ITUB20160240A1 true ITUB20160240A1 (it) 2017-07-20

Family

ID=55806653

Family Applications (1)

Application Number Title Priority Date Filing Date
ITUB2016A000240A ITUB20160240A1 (it) 2016-01-20 2016-01-20 Metodo e dispositivo per ridurre le perdite di trafilamento in una turbina

Country Status (4)

Country Link
US (1) US10895164B2 (it)
EP (1) EP3405653B1 (it)
IT (1) ITUB20160240A1 (it)
WO (1) WO2017125858A1 (it)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3071865B1 (fr) * 2017-10-03 2020-11-27 Safran Aircraft Engines Ensemble pour une turbomachine
IT201900006589A1 (it) 2019-05-07 2020-11-07 Turboden Spa Ciclo rankine organico a cascata ottimizzato
CN110469376B (zh) * 2019-08-29 2024-01-16 中国船舶重工集团公司第七一九研究所 布雷顿循环发电系统及方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2443117A (en) * 2003-12-20 2008-04-23 Rolls Royce Plc A seal arrangement
US20100071368A1 (en) * 2007-04-17 2010-03-25 Ormat Technologies, Inc. Multi-level organic rankine cycle power system
WO2012052740A1 (en) * 2010-10-18 2012-04-26 University Of Durham Sealing device for reducing fluid leakage in turbine apparatus
WO2014191780A1 (en) * 2013-05-31 2014-12-04 Cummins Ltd A seal assembly

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2972470A (en) * 1958-11-03 1961-02-21 Gen Motors Corp Turbine construction
GB912331A (en) * 1960-06-07 1962-12-05 Rolls Royce Bearing assembly
US3642292A (en) * 1969-05-21 1972-02-15 Denis E Dougherty Sealing arrangement
US4311431A (en) * 1978-11-08 1982-01-19 Teledyne Industries, Inc. Turbine engine with shroud cooling means
US5157914A (en) * 1990-12-27 1992-10-27 United Technologies Corporation Modulated gas turbine cooling air
FR2950656B1 (fr) * 2009-09-25 2011-09-23 Snecma Ventilation d'une roue de turbine dans une turbomachine
ITBS20120008A1 (it) * 2012-01-20 2013-07-21 Turboden Srl Metodo e turbina per espandere un fluido di lavoro organico in un ciclo rankine
US9920652B2 (en) * 2015-02-09 2018-03-20 United Technologies Corporation Gas turbine engine having section with thermally isolated area

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2443117A (en) * 2003-12-20 2008-04-23 Rolls Royce Plc A seal arrangement
US20100071368A1 (en) * 2007-04-17 2010-03-25 Ormat Technologies, Inc. Multi-level organic rankine cycle power system
WO2012052740A1 (en) * 2010-10-18 2012-04-26 University Of Durham Sealing device for reducing fluid leakage in turbine apparatus
WO2014191780A1 (en) * 2013-05-31 2014-12-04 Cummins Ltd A seal assembly

Also Published As

Publication number Publication date
EP3405653B1 (en) 2020-02-05
US20190024524A1 (en) 2019-01-24
EP3405653A1 (en) 2018-11-28
WO2017125858A1 (en) 2017-07-27
US10895164B2 (en) 2021-01-19

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