CA975302A - Turbine rotor having cushioned support surfaces for ceramic blades mounted thereon - Google Patents

Turbine rotor having cushioned support surfaces for ceramic blades mounted thereon

Info

Publication number: CA975302A
Authority: CA; Canada
Prior art keywords: turbine rotor; support surfaces; blades mounted; cushioned support; ceramic blades
Prior art date: 1973-03-27
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.): Expired

Application number

CA194,854A

Other languages

English (en)

Inventor

William F. Stahl

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.)

Westinghouse Electric Corp

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.)

1973-03-27

Filing date

1974-03-13

Publication date

1975-09-30

1974-03-13 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1975-09-30 Application granted granted Critical

1975-09-30 Publication of CA975302A publication Critical patent/CA975302A/en

Status Expired legal-status Critical Current

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
- 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
- F01D5/3092—Protective layers between blade root and rotor disc surfaces, e.g. anti-friction layers
- 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
- F01D5/3084—Fixing blades to rotors; Blade roots ; Blade spacers the blades being made of ceramics

Landscapes

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

CA194,854A 1973-03-27 1974-03-13 Turbine rotor having cushioned support surfaces for ceramic blades mounted thereon Expired CA975302A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US00345391A US3809495A (en)	1973-03-27	1973-03-27	Turbine rotor having cushioned support surfaces for ceramic blades mounted thereon

Publications (1)

Publication Number	Publication Date
CA975302A true CA975302A (en)	1975-09-30

Family

ID=23354858

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA194,854A Expired CA975302A (en)	1973-03-27	1974-03-13	Turbine rotor having cushioned support surfaces for ceramic blades mounted thereon

Country Status (9)

Country	Link
US (1)	US3809495A (de)
CA (1)	CA975302A (de)
CH (1)	CH576066A5 (de)
DE (1)	DE2411992C2 (de)
FR (1)	FR2223546B1 (de)
GB (1)	GB1438238A (de)
IT (1)	IT1009669B (de)
NL (1)	NL7403268A (de)
SE (1)	SE391962B (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3891351A (en) *	1974-03-25	1975-06-24	Theodore J Norbut	Turbine disc
US4480957A (en) *	1983-04-14	1984-11-06	General Electric Company	Dynamic response modification and stress reduction in dovetail and blade assembly
US4491421A (en) *	1983-11-21	1985-01-01	De Dietrich (Usa), Inc.	Impeller assembly and shaft having interference fit
US4508455A (en) *	1983-11-21	1985-04-02	De Dietrich (Usa), Inc.	Agitator including impeller assembly and shaft having interference fit
US4820126A (en) *	1988-02-22	1989-04-11	Westinghouse Electric Corp.	Turbomachine rotor assembly having reduced stress concentrations
US6132175A (en) *	1997-05-29	2000-10-17	Alliedsignal, Inc.	Compliant sleeve for ceramic turbine blades
US6409473B1 (en)	2000-06-27	2002-06-25	Honeywell International, Inc.	Low stress connection methodology for thermally incompatible materials
EP1561905A1 (de) *	2004-02-09	2005-08-10	Siemens Aktiengesellschaft	Plastisch deformierbare Schicht im Verbindungsbereich einer Turbinenschaufel und Verfahren zur Schaufelbefestigung
GB0403064D0 (en) *	2004-02-12	2004-03-17	Rolls Royce Plc	Gas turbine engine rotor blade, rotor disc and bladed disc assembly, and a bearing arrangement for reducing the effects of dynamic contact stresses
US7306434B2 (en) *	2004-02-12	2007-12-11	Rolls-Royce Plc	Reduction of co-efficient of friction to reduce stress ratio in bearings and gas turbine parts
US8210819B2 (en) *	2008-02-22	2012-07-03	Siemens Energy, Inc.	Airfoil structure shim
GB0911459D0 (en) *	2009-07-02	2009-08-12	Rolls Royce Plc	An assembly providing contaminant removal
US8550776B2 (en) *	2010-07-28	2013-10-08	General Electric Company	Composite vane mounting
US8734101B2 (en) *	2010-08-31	2014-05-27	General Electric Co.	Composite vane mounting
GB201106278D0 (en) *	2011-04-14	2011-05-25	Rolls Royce Plc	Annulus filler system
EP2832957A1 (de) *	2013-07-31	2015-02-04	ALSTOM Technology Ltd	Rotor mit Nut mit nachgiebiger Schicht
US11021972B2 (en) *	2018-08-14	2021-06-01	Rolls-Royce North American Technologies Inc.	Variable pitch blade holder for gas turbine engine
DE102021120876A1 (de)	2021-08-11	2023-02-16	MTU Aero Engines AG	Schaufelfussaufnahme zum aufnehmen einer laufschaufel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB280221A (en) *	1926-11-06	1928-02-23	Alfred Buechi	Improvements in blading for gas and steam turbines
US2317338A (en) *	1942-02-07	1943-04-20	Westinghouse Electric & Mfg Co	Turbine blade fastening apparatus
US2595829A (en) *	1946-12-19	1952-05-06	Benson Mfg Company	Axial flow fan and compressor
GB664986A (en) *	1948-10-29	1952-01-16	Maschf Augsburg Nuernberg Ag	Ceramic blade for turbines
DE1025421B (de) *	1955-10-31	1958-03-06	Maschf Augsburg Nuernberg Ag	Befestigung von Lauftschaufeln sproeden Werkstoffes in metallischem Schaufeltraeger
DE1045730B (de) *	1957-12-18	1958-12-04	Maschf Augsburg Nuernberg Ag	Einrichtung an metallischen Schaufeltraegern zur Befestigung von Laufschaufeln aus sproeden Werkstoffen, insbesondere fuer Gasturbinen
US3313519A (en) *	1965-06-22	1967-04-11	Ass Elect Ind	Turbine rotors

1973
- 1973-03-27 US US00345391A patent/US3809495A/en not_active Expired - Lifetime
1974
- 1974-03-12 NL NL7403268A patent/NL7403268A/xx not_active Application Discontinuation
- 1974-03-13 DE DE2411992A patent/DE2411992C2/de not_active Expired
- 1974-03-13 CA CA194,854A patent/CA975302A/en not_active Expired
- 1974-03-18 GB GB1190674A patent/GB1438238A/en not_active Expired
- 1974-03-19 SE SE7403718A patent/SE391962B/xx unknown
- 1974-03-20 CH CH386174A patent/CH576066A5/xx not_active IP Right Cessation
- 1974-03-26 FR FR7410266A patent/FR2223546B1/fr not_active Expired
- 1974-04-08 IT IT20707/74A patent/IT1009669B/it active

Also Published As

Publication number	Publication date
IT1009669B (it)	1976-12-20
DE2411992A1 (de)	1974-10-03
FR2223546B1 (de)	1978-11-10
DE2411992C2 (de)	1982-07-15
NL7403268A (de)	1974-10-01
FR2223546A1 (de)	1974-10-25
US3809495A (en)	1974-05-07
SE391962B (sv)	1977-03-07
GB1438238A (en)	1976-06-03
CH576066A5 (de)	1976-05-31

Publication	Publication Date	Title
CA975302A (en)	1975-09-30	Turbine rotor having cushioned support surfaces for ceramic blades mounted thereon
CA1001952A (en)	1976-12-21	Fluid cooled turbine rotor blade
CA995140A (en)	1976-08-17	Cooled turbine blade ring assembly
CA995141A (en)	1976-08-17	Inlet vane structure for turbines
CA984361A (en)	1976-02-24	Rotor blade retention system
CA975300A (en)	1975-09-30	Axial flow turbine structure
CA962601A (en)	1975-02-11	Turbine rotor
CA979810A (en)	1975-12-16	Cooled rotor blade for a gas turbine
CA962254A (en)	1975-02-04	Helicopter rotor blade
CA923043A (en)	1973-03-20	Rotor blade structure
CA1030339A (en)	1978-05-02	Blade mounting assemblies
CA1002781A (en)	1977-01-04	Turbine meter with conical rotor
CA998614A (en)	1976-10-19	Rotor assemblies
AU6351373A (en)	1975-06-12	Hacksaw with novel blade mounting means
CA1016524A (en)	1977-08-30	Helicopter rotor blade
HK12877A (en)	1977-03-18	Airfoil rotor for toy helicopter
CA988310A (en)	1976-05-04	Turbine by-pass arrangement for thermal power plants
CA1003757A (en)	1977-01-18	Nozzle structure for steam turbines
CA988906A (en)	1976-05-11	Helicopter blade
CA1010005A (en)	1977-05-10	Rotor means for an aircraft
SU574542A1 (ru)	1977-09-30	Опора турбины
CA1002972A (en)	1977-01-04	Shaft mounting means
CA991085A (en)	1976-06-15	Temperature control for turbine rotor cavity
CA1001555A (en)	1976-12-14	Rotor blades
CA1014358A (en)	1977-07-26	Turbo-machine plant having optional operating modes