RU2302532C2 - Усовершенствованное крепление лопаток на диске ротора газовой турбины - Google Patents

Усовершенствованное крепление лопаток на диске ротора газовой турбины Download PDF

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Publication number
RU2302532C2
RU2302532C2 RU2002125442/06A RU2002125442A RU2302532C2 RU 2302532 C2 RU2302532 C2 RU 2302532C2 RU 2002125442/06 A RU2002125442/06 A RU 2002125442/06A RU 2002125442 A RU2002125442 A RU 2002125442A RU 2302532 C2 RU2302532 C2 RU 2302532C2
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RU
Russia
Prior art keywords
socket
radius
grooves
shank
teeth
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RU2002125442/06A
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English (en)
Russian (ru)
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RU2002125442A (ru
Inventor
Массимо ПИНЦАУТИ (IT)
Массимо ПИНЦАУТИ
Джакомо ДЖОВАНГРОССИ (IT)
Джакомо ДЖОВАНГРОССИ
Алессио АНИКИНИ (IT)
Алессио АНИКИНИ
Original Assignee
Нуово Пиньоне Холдинг С.П.А.
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Application filed by Нуово Пиньоне Холдинг С.П.А. filed Critical Нуово Пиньоне Холдинг С.П.А.
Publication of RU2002125442A publication Critical patent/RU2002125442A/ru
Application granted granted Critical
Publication of RU2302532C2 publication Critical patent/RU2302532C2/ru

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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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/30—Fixing blades to rotors; Blade roots ; Blade spacers
    • F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T403/00—Joints and connections
    • Y10T403/70—Interfitted members

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
RU2002125442/06A 2001-09-21 2002-09-20 Усовершенствованное крепление лопаток на диске ротора газовой турбины RU2302532C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT2001MI001970A ITMI20011970A1 (it) 2001-09-21 2001-09-21 Connessione migliorata di palette su di un disco rotorico di una turbina a gas
ITMI2001A001970 2001-09-21

Publications (2)

Publication Number Publication Date
RU2002125442A RU2002125442A (ru) 2004-04-10
RU2302532C2 true RU2302532C2 (ru) 2007-07-10

Family

ID=11448409

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2002125442/06A RU2302532C2 (ru) 2001-09-21 2002-09-20 Усовершенствованное крепление лопаток на диске ротора газовой турбины

Country Status (9)

Country Link
US (1) US6739836B2 (enExample)
EP (1) EP1296022B1 (enExample)
JP (1) JP4288380B2 (enExample)
KR (1) KR100673409B1 (enExample)
CA (1) CA2400289C (enExample)
DE (1) DE60217039T2 (enExample)
IT (1) ITMI20011970A1 (enExample)
RU (1) RU2302532C2 (enExample)
TW (1) TW593869B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2471998C2 (ru) * 2007-07-16 2013-01-10 Ноуво Пиньоне Холдинг С.П.А. Паровая турбина и поворотная лопасть (варианты)
RU2562687C2 (ru) * 2009-11-17 2015-09-10 Сименс Акциенгезелльшафт Крепление турбинной лопатки для турбомашины
RU2633287C2 (ru) * 2013-02-04 2017-10-11 Сименс Акциенгезелльшафт Лопасть ротора турбомашины, диск ротора турбомашины, ротор турбомашины и газотурбинный двигатель с разными углами контактной поверхности хвостовика и гнезда

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITMI20011970A1 (it) * 2001-09-21 2003-03-21 Nuovo Pignone Spa Connessione migliorata di palette su di un disco rotorico di una turbina a gas
US7905709B2 (en) * 2004-02-10 2011-03-15 General Electric Company Advanced firtree and broach slot forms for turbine stage 1 and 2 buckets and rotor wheels
US8079817B2 (en) * 2004-02-10 2011-12-20 General Electric Company Advanced firtree and broach slot forms for turbine stage 3 buckets and rotor wheels
JP4869616B2 (ja) * 2005-04-01 2012-02-08 株式会社日立製作所 蒸気タービン動翼と蒸気タービンロータ及びそれを用いた蒸気タービン並びにその発電プラント
US7387494B2 (en) * 2005-04-28 2008-06-17 General Electric Company Finger dovetail attachment between a turbine rotor wheel and bucket for stress reduction
JP4918806B2 (ja) * 2006-04-06 2012-04-18 株式会社日立製作所 タービンロータ及びタービン動翼
EP2320030B1 (de) * 2009-11-10 2012-12-19 Alstom Technology Ltd Rotor mit Laufschaufel für eine axial durchströmte Turbomaschine
US9546556B2 (en) * 2012-09-26 2017-01-17 United Technologies Corporation Turbine blade root profile
CN108691575B (zh) * 2018-05-10 2021-01-26 中国航发湖南动力机械研究所 涡轮组件、榫接结构及其制备方法
CN110454235B (zh) * 2019-07-31 2022-07-15 中国航发沈阳发动机研究所 一种枞树型盘榫连接结构及具有其的航空发动机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5474423A (en) * 1994-10-12 1995-12-12 General Electric Co. Bucket and wheel dovetail design for turbine rotors
US5531539A (en) * 1993-02-12 1996-07-02 Exposystems, Inc. Tightly fitting panel connection assembly
US6142737A (en) * 1998-08-26 2000-11-07 General Electric Co. Bucket and wheel dovetail design for turbine rotors

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB677142A (en) * 1949-08-24 1952-08-13 Power Jets Res & Dev Ltd Improved mounting for turbine and like blades
GB2030657B (en) * 1978-09-30 1982-08-11 Rolls Royce Blade for gas turbine engine
US4824328A (en) * 1987-05-22 1989-04-25 Westinghouse Electric Corp. Turbine blade attachment
US5147180A (en) * 1991-03-21 1992-09-15 Westinghouse Electric Corp. Optimized blade root profile for steam turbine blades
US5480285A (en) * 1993-08-23 1996-01-02 Westinghouse Electric Corporation Steam turbine blade
ITMI20011970A1 (it) * 2001-09-21 2003-03-21 Nuovo Pignone Spa Connessione migliorata di palette su di un disco rotorico di una turbina a gas

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5531539A (en) * 1993-02-12 1996-07-02 Exposystems, Inc. Tightly fitting panel connection assembly
US5474423A (en) * 1994-10-12 1995-12-12 General Electric Co. Bucket and wheel dovetail design for turbine rotors
US6142737A (en) * 1998-08-26 2000-11-07 General Electric Co. Bucket and wheel dovetail design for turbine rotors

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2471998C2 (ru) * 2007-07-16 2013-01-10 Ноуво Пиньоне Холдинг С.П.А. Паровая турбина и поворотная лопасть (варианты)
RU2562687C2 (ru) * 2009-11-17 2015-09-10 Сименс Акциенгезелльшафт Крепление турбинной лопатки для турбомашины
RU2633287C2 (ru) * 2013-02-04 2017-10-11 Сименс Акциенгезелльшафт Лопасть ротора турбомашины, диск ротора турбомашины, ротор турбомашины и газотурбинный двигатель с разными углами контактной поверхности хвостовика и гнезда
US9903213B2 (en) 2013-02-04 2018-02-27 Siemens Aktiengesellschaft Turbomachine rotor blade, turbomachine rotor disc, turbomachine rotor, and gas turbine engine with different root and slot contact face angles

Also Published As

Publication number Publication date
EP1296022A2 (en) 2003-03-26
TW593869B (en) 2004-06-21
EP1296022A3 (en) 2004-12-08
JP4288380B2 (ja) 2009-07-01
KR20030025859A (ko) 2003-03-29
DE60217039D1 (de) 2007-02-08
KR100673409B1 (ko) 2007-01-23
CA2400289C (en) 2010-01-05
CA2400289A1 (en) 2003-03-21
US20030068197A1 (en) 2003-04-10
ITMI20011970A1 (it) 2003-03-21
US6739836B2 (en) 2004-05-25
ITMI20011970A0 (it) 2001-09-21
EP1296022B1 (en) 2006-12-27
JP2003176703A (ja) 2003-06-27
DE60217039T2 (de) 2007-07-12

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MM4A The patent is invalid due to non-payment of fees

Effective date: 20160921