EP0965726A4 - Refrigerant recovery type gas turbine - Google Patents

Refrigerant recovery type gas turbine

Info

Publication number
EP0965726A4
EP0965726A4 EP96940152A EP96940152A EP0965726A4 EP 0965726 A4 EP0965726 A4 EP 0965726A4 EP 96940152 A EP96940152 A EP 96940152A EP 96940152 A EP96940152 A EP 96940152A EP 0965726 A4 EP0965726 A4 EP 0965726A4
Authority
EP
European Patent Office
Prior art keywords
gas turbine
type gas
refrigerant recovery
recovery type
refrigerant
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP96940152A
Other languages
German (de)
French (fr)
Other versions
EP0965726B1 (en
EP0965726A1 (en
Inventor
Shinya Marushima
Manabu Matsumoto
Kazuhiko Kawaike
Takashi Ikeguchi
Takashi Machida
Masaru Sekihara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to EP03004315A priority Critical patent/EP1335111B1/en
Publication of EP0965726A1 publication Critical patent/EP0965726A1/en
Publication of EP0965726A4 publication Critical patent/EP0965726A4/en
Application granted granted Critical
Publication of EP0965726B1 publication Critical patent/EP0965726B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02Blade-carrying members, e.g. rotors
    • F01D5/08Heating, heat-insulating or cooling means
    • F01D5/085Heating, heat-insulating or cooling means cooling fluid circulating inside the rotor
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02Blade-carrying members, e.g. rotors
    • F01D5/08Heating, heat-insulating or cooling means
    • F01D5/081Cooling fluid being directed on the side of the rotor disc or at the roots of the blades
    • F01D5/084Cooling fluid being directed on the side of the rotor disc or at the roots of the blades the fluid circulating at the periphery of a multistage rotor, e.g. of drum type
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00Function
    • F05D2260/20Heat transfer, e.g. cooling
    • F05D2260/205Cooling fluid recirculation, i.e. after cooling one or more components is the cooling fluid recovered and used elsewhere for other purposes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
EP96940152A 1996-11-29 1996-11-29 Refrigerant recovery type gas turbine Expired - Lifetime EP0965726B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03004315A EP1335111B1 (en) 1996-11-29 1996-11-29 Coolant recovery type gas turbine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP1996/003503 WO1998023851A1 (en) 1996-11-29 1996-11-29 Refrigerant recovery type gas turbine

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP03004315A Division EP1335111B1 (en) 1996-11-29 1996-11-29 Coolant recovery type gas turbine

Publications (3)

Publication Number Publication Date
EP0965726A1 EP0965726A1 (en) 1999-12-22
EP0965726A4 true EP0965726A4 (en) 2001-10-17
EP0965726B1 EP0965726B1 (en) 2004-06-30

Family

ID=14154172

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96940152A Expired - Lifetime EP0965726B1 (en) 1996-11-29 1996-11-29 Refrigerant recovery type gas turbine

Country Status (4)

Country Link
EP (1) EP0965726B1 (en)
JP (1) JP3634871B2 (en)
DE (1) DE69632837T2 (en)
WO (1) WO1998023851A1 (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6053701A (en) * 1997-01-23 2000-04-25 Mitsubishi Heavy Industries, Ltd. Gas turbine rotor for steam cooling
US6185924B1 (en) * 1997-10-17 2001-02-13 Hitachi, Ltd. Gas turbine with turbine blade cooling
US6190127B1 (en) * 1998-12-22 2001-02-20 General Electric Co. Tuning thermal mismatch between turbine rotor parts with a thermal medium
US6555637B1 (en) 1999-08-24 2003-04-29 Kuraray Co., Ltd. Anionic polymerization process, and process for producing a polymer by the anionic polymerization process
JP3518447B2 (en) * 1999-11-05 2004-04-12 株式会社日立製作所 Gas turbine, gas turbine device, and refrigerant recovery method for gas turbine rotor blade
DE10208085A1 (en) * 2002-02-25 2003-09-04 Alstom Switzerland Ltd Rotor for thermal turbo-machine e.g. gas turbine, has at least two further hollow volumes at distance from rotor's central axis and extending from exhaust gas end to last hollow volume in upstream direction
EP1577493A1 (en) * 2004-03-17 2005-09-21 Siemens Aktiengesellschaft Turbomachine and rotor for a turbomachine
US8137067B2 (en) * 2008-11-05 2012-03-20 General Electric Company Turbine with interrupted purge flow
RU2539404C2 (en) 2010-11-29 2015-01-20 Альстом Текнолоджи Лтд Axial gas turbine
US8997498B2 (en) * 2011-10-12 2015-04-07 General Electric Company System for use in controlling the operation of power generation systems
US9334753B2 (en) * 2011-10-12 2016-05-10 General Electric Company Control system and methods for controlling the operation of power generation systems
DE102013005431B4 (en) * 2013-03-28 2022-12-08 Man Energy Solutions Se axial flow machine
KR101744411B1 (en) * 2015-10-15 2017-06-20 두산중공업 주식회사 Cooling apparatus of the gas turbine
EP3205817A1 (en) * 2016-02-09 2017-08-16 Ansaldo Energia Switzerland AG Fluid cooled rotor for a gas turbine
JP7414580B2 (en) * 2020-02-26 2024-01-16 東芝エネルギーシステムズ株式会社 turbine

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0814064A (en) * 1994-06-24 1996-01-16 Hitachi Ltd Gas turbine and its turbine stage device
JPH08277725A (en) * 1995-04-06 1996-10-22 Hitachi Ltd Gas turbine
EP0894943A1 (en) * 1997-01-23 1999-02-03 Mitsubishi Heavy Industries, Ltd. Gas turbine rotor for steam cooling

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS648504U (en) * 1987-07-03 1989-01-18
JPH03275946A (en) 1990-03-26 1991-12-06 Toshiba Corp Gas turbine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0814064A (en) * 1994-06-24 1996-01-16 Hitachi Ltd Gas turbine and its turbine stage device
JPH08277725A (en) * 1995-04-06 1996-10-22 Hitachi Ltd Gas turbine
EP0894943A1 (en) * 1997-01-23 1999-02-03 Mitsubishi Heavy Industries, Ltd. Gas turbine rotor for steam cooling

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 1996, no. 05 31 May 1996 (1996-05-31) *
PATENT ABSTRACTS OF JAPAN vol. 1997, no. 02 28 February 1997 (1997-02-28) *
See also references of WO9823851A1 *

Also Published As

Publication number Publication date
DE69632837D1 (en) 2004-08-05
EP0965726B1 (en) 2004-06-30
WO1998023851A1 (en) 1998-06-04
JP3634871B2 (en) 2005-03-30
DE69632837T2 (en) 2005-07-07
EP0965726A1 (en) 1999-12-22

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