ITPD930060A1 - Struttura di pala di turbina a vapore a entrata laterale a due aggetti - Google Patents

Struttura di pala di turbina a vapore a entrata laterale a due aggetti

Info

Publication number: ITPD930060A1
Authority: IT; Italy
Prior art keywords: steam turbine; turbine blade; blade structure; sided steam; sided
Prior art date: 1992-03-24

Application number

IT000060A

Other languages

English (en)

Inventor

Roger Walter Heinig

Original Assignee

Westinghouse Electric Corp

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.)

1992-03-24

Filing date

1993-03-17

Publication date

1994-09-17

1993-03-17 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1993-03-17 Publication of ITPD930060A0 publication Critical patent/ITPD930060A0/it

1994-09-17 Publication of ITPD930060A1 publication Critical patent/ITPD930060A1/it

1996-08-05 Application granted granted Critical

1996-08-05 Publication of IT1263340B publication Critical patent/IT1263340B/it

Links

RLQJEEJISHYWON-UHFFFAOYSA-N flonicamid Chemical compound FC(F)(F)C1=CC=NC=C1C(=O)NCC#N RLQJEEJISHYWON-UHFFFAOYSA-N 0.000 title 1
238000004326 stimulated echo acquisition mode for imaging Methods 0.000 title 1

Classifications

- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- 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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Turbine Rotor Nozzle Sealing (AREA)

ITPD930060A 1992-03-24 1993-03-17 Struttura di pala di turbina a vapore a entrata laterale a due aggetti IT1263340B (it)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/856,997 US5176500A (en)	1992-03-24	1992-03-24	Two-lug side-entry turbine blade attachment

Publications (3)

Publication Number	Publication Date
ITPD930060A0 ITPD930060A0 (it)	1993-03-17
ITPD930060A1 true ITPD930060A1 (it)	1994-09-17
IT1263340B IT1263340B (it)	1996-08-05

Family

ID=25324928

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
ITPD930060A IT1263340B (it)	1992-03-24	1993-03-17	Struttura di pala di turbina a vapore a entrata laterale a due aggetti

Country Status (6)

Country	Link
US (1)	US5176500A (it)
JP (1)	JPH0610606A (it)
KR (1)	KR100270342B1 (it)
CA (1)	CA2092273C (it)
ES (1)	ES2070720B1 (it)
IT (1)	IT1263340B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5480285A (en) *	1993-08-23	1996-01-02	Westinghouse Electric Corporation	Steam turbine blade
DE4435268A1 (de) *	1994-10-01	1996-04-04	Abb Management Ag	Beschaufelter Rotor einer Turbomaschine
US5474423A (en) *	1994-10-12	1995-12-12	General Electric Co.	Bucket and wheel dovetail design for turbine rotors
US5494408A (en) *	1994-10-12	1996-02-27	General Electric Co.	Bucket to wheel dovetail design for turbine rotors
US5531569A (en) *	1994-12-08	1996-07-02	General Electric Company	Bucket to wheel dovetail design for turbine rotors
DE19607230C1 (de) *	1996-02-27	1997-02-20	Walter Ag	Verfahren zur Herstellung bogenförmiger Nuten und Werkzeug dazu
US6302651B1 (en) *	1999-12-29	2001-10-16	United Technologies Corporation	Blade attachment configuration
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
EP1584792A1 (de) *	2004-04-08	2005-10-12	Siemens Aktiengesellschaft	Schaufelbefestigung für einen Verdichter oder eine Turbine
US7261518B2 (en) *	2005-03-24	2007-08-28	Siemens Demag Delaval Turbomachinery, Inc.	Locking arrangement for radial entry turbine blades
US8038404B2 (en) *	2007-07-16	2011-10-18	Nuovo Pignone Holdings, S.P.A.	Steam turbine and rotating blade
MX2012010763A (es) *	2010-08-06	2012-10-15	Saint Gobain Abrasives Inc	Herramienta abrasiva y metodo para acabar formas complejas en piezas de trabajo.
EP2436883A1 (en)	2010-09-29	2012-04-04	Siemens Aktiengesellschaft	Blade root, particularly of a turbine blade, a blade, and a turbomachine assembly
EP2762676A1 (en) *	2013-02-04	2014-08-06	Siemens Aktiengesellschaft	Turbomachine rotor blade, turbomachine rotor disc, turbomachine rotor, and gas turbine engine with different root and slot contact face angles
EP3093441B1 (en) *	2015-05-12	2019-07-10	Ansaldo Energia Switzerland AG	Turbo engine rotor comprising a blade-shaft connection, and blade for said rotor
WO2016195656A1 (en) *	2015-06-02	2016-12-08	Siemens Aktiengesellschaft	Attachment system for a turbine airfoil usable in a gas turbine engine
CN110685752A (zh) *	2019-10-09	2020-01-14	东方电气集团东方汽轮机有限公司	一种大型汽轮机动叶片叶根及其轮槽型线
US11794830B2 (en) *	2021-01-22	2023-10-24	Caterpillar Inc.	Sprocket locking segments
JP7163523B1 (ja) *	2022-03-24	2022-10-31	三菱重工業株式会社	タービン動翼、タービン動翼組立体、ガスタービン及びガスタービンの補修方法
US12305533B2 (en)	2023-06-23	2025-05-20	Pratt & Whitney Canada Corp.	Turbine rotor dovetail structure with splines

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4191509A (en) *	1977-12-27	1980-03-04	United Technologies Corporation	Rotor blade attachment
GB2030657B (en) *	1978-09-30	1982-08-11	Rolls Royce	Blade for gas turbine engine
US4692976A (en) *	1985-07-30	1987-09-15	Westinghouse Electric Corp.	Method of making scalable side entry turbine blade roots
US4824328A (en) *	1987-05-22	1989-04-25	Westinghouse Electric Corp.	Turbine blade attachment
GB2238581B (en) *	1989-11-30	1994-01-12	Rolls Royce Plc	Improved attachment of a gas turbine engine blade to a turbine rotor disc
US5147180A (en) *	1991-03-21	1992-09-15	Westinghouse Electric Corp.	Optimized blade root profile for steam turbine blades

1992
- 1992-03-24 US US07/856,997 patent/US5176500A/en not_active Expired - Lifetime
1993
- 1993-03-17 IT ITPD930060A patent/IT1263340B/it active IP Right Grant
- 1993-03-22 JP JP5061913A patent/JPH0610606A/ja active Pending
- 1993-03-22 ES ES09300583A patent/ES2070720B1/es not_active Expired - Lifetime
- 1993-03-23 KR KR1019930004521A patent/KR100270342B1/ko not_active Expired - Lifetime
- 1993-03-23 CA CA002092273A patent/CA2092273C/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
JPH0610606A (ja)	1994-01-18
KR930019992A (ko)	1993-10-19
ITPD930060A0 (it)	1993-03-17
CA2092273C (en)	2004-07-13
KR100270342B1 (ko)	2000-11-01
ES2070720B1 (es)	1997-10-16
US5176500A (en)	1993-01-05
ES2070720R (it)	1997-04-01
ES2070720A2 (es)	1995-06-01
CA2092273A1 (en)	1993-09-25
IT1263340B (it)	1996-08-05

Legal Events

Date	Code	Title	Description
1996-08-05	0001	Granted
1999-10-27	TA	Fee payment date (situation as of event date), data collected since 19931001	Effective date: 19990331

Publication	Publication Date	Title
ITPD930060A1 (it)	1994-09-17	Struttura di pala di turbina a vapore a entrata laterale a due aggetti
DE69534860D1 (de)	2006-05-11	Turbinenschaufeln
IT1232622B (it)	1992-02-28	Rotore di turbina a vapore bilanciato.
DE69502715D1 (de)	1998-07-02	Kühlung einer turbinenschaufel
GB9224241D0 (en)	1993-01-06	A turbine blade arrangement
ITMI912069A0 (it)	1991-07-26	Rotore di turbina a vapore avente saldature gradate
ITMI910721A0 (it)	1991-03-18	Paletta di turbomotore a gas
IT1200655B (it)	1989-01-27	Perfezionato stadio di turbina a vapore
IT1237965B (it)	1993-06-19	Turbina a vapore
IT1233535B (it)	1992-04-03	Guarnizione a labirinto in particolare per turbine a vapore.
DE59803728D1 (de)	2002-05-16	Dampfturbine
DE69302009D1 (de)	1996-05-02	Windkraftanlage
DE59803727D1 (de)	2002-05-16	Dampfturbine
FI950735L (fi)	1995-02-17	Höyryturbiini
ITMI910112A1 (it)	1992-07-18	Blocchi di ugello autobloccanti per turbine a vapore
FI970597A7 (fi)	1997-04-09	Vesisuihkuturbiini
ITMI912691A0 (it)	1991-10-10	Turbina a vapore
IT1249589B (it)	1995-03-08	Impianto perfezionato per immettere vapore in una turbina
IT1273174B (it)	1997-07-07	Generatore di vapore istantaneo monostadio
ITMI931579A0 (it)	1993-07-16	Generatore di vapore a setti porosi
DE69716258D1 (de)	2002-11-14	Dampfturbine
DE69633140D1 (de)	2004-09-16	Dampfturbinenkraftanlage
ITTO920427A0 (it)	1992-05-18	Turbina a vapore.
FR2736088B1 (fr)	1997-09-19	Turbine a vapeur
ITBO940285A0 (it)	1994-06-21	Generatore di vapore