FR2814495B1 - UPSTREAM RETENTION SYSTEM FOR BLADES AND BLOWER PLATFORMS - Google Patents

UPSTREAM RETENTION SYSTEM FOR BLADES AND BLOWER PLATFORMS

Info

Publication number: FR2814495B1
Authority: FR; France
Prior art keywords: platforms; blower; blades; retention system; upstream retention
Prior art date: 2000-09-28
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 - Lifetime

Application number

FR0012339A

Other languages

French (fr)

Other versions

FR2814495A1 (en

Inventor

Jean Luc Christian Yvon Goga

Jack Pierre Lauvergnat

Marc Philippe Lemee

Bruce Daniel Jean Pontoizeau

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.)

Safran Aircraft Engines SAS

Original Assignee

SNECMA Moteurs SA

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.)

2000-09-28

Filing date

2000-09-28

Publication date

2003-01-17

2000-09-28 Application filed by SNECMA Moteurs SA filed Critical SNECMA Moteurs SA

2000-09-28 Priority to FR0012339A priority Critical patent/FR2814495B1/en

2002-03-29 Publication of FR2814495A1 publication Critical patent/FR2814495A1/en

2003-01-17 Application granted granted Critical

2003-01-17 Publication of FR2814495B1 publication Critical patent/FR2814495B1/en

2020-09-28 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- F01D5/3007—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type
- F01D5/3015—Fixing blades to rotors; Blade roots ; Blade spacers of axial insertion type with side plates
- 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
- F05D2230/00—Manufacture
- F05D2230/60—Assembly methods

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
General Engineering & Computer Science (AREA)
Structures Of Non-Positive Displacement Pumps (AREA)

FR0012339A 2000-09-28 2000-09-28 UPSTREAM RETENTION SYSTEM FOR BLADES AND BLOWER PLATFORMS Expired - Lifetime FR2814495B1 (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
FR0012339A FR2814495B1 (en)	2000-09-28	2000-09-28	UPSTREAM RETENTION SYSTEM FOR BLADES AND BLOWER PLATFORMS

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR0012339A FR2814495B1 (en)	2000-09-28	2000-09-28	UPSTREAM RETENTION SYSTEM FOR BLADES AND BLOWER PLATFORMS

Publications (2)

Publication Number	Publication Date
FR2814495A1 FR2814495A1 (en)	2002-03-29
FR2814495B1 true FR2814495B1 (en)	2003-01-17

Family

ID=8854767

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR0012339A Expired - Lifetime FR2814495B1 (en)	2000-09-28	2000-09-28	UPSTREAM RETENTION SYSTEM FOR BLADES AND BLOWER PLATFORMS

Country Status (1)

Country	Link
FR (1)	FR2814495B1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2841933B1 (en) *	2002-07-04	2004-12-03	Snecma Moteurs	SELF-LOCKING SHIM
FR2913734B1 (en) *	2007-03-16	2009-05-01	Snecma Sa	TURBOMACHINE BLOWER
FR2930595B1 (en)	2008-04-24	2011-10-14	Snecma	BLOWER ROTOR OF A TURBOMACHINE OR A TEST ENGINE
FR2974864B1 (en) *	2011-05-04	2016-05-27	Snecma	ROTOR OF TURBOMACHINE WITH MEANS OF AXIAL RETENTION OF AUBES
FR2974863B1 (en) *	2011-05-06	2015-10-23	Snecma	TURBOMACHINE BLOWER DISK
FR3048997B1 (en) *	2016-03-21	2020-03-27	Safran Aircraft Engines	BLADE PLATFORM AND AERONAUTICAL TURBOMACHINE BLOWER DISC
FR3108665B1 (en) *	2020-03-31	2025-12-19	Safran Aircraft Engines	Blower rotor comprising blades with upstream center of gravity
FR3108664B1 (en) *	2020-03-31	2025-12-19	Safran Aircraft Engines	Blower rotor comprising blades with upstream center of gravity
US12012857B2 (en) *	2022-10-14	2024-06-18	Rtx Corporation	Platform for an airfoil of a gas turbine engine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3656865A (en) *	1970-07-21	1972-04-18	Gen Motors Corp	Rotor blade retainer
FR2393931A1 (en) *	1977-06-08	1979-01-05	Snecma	DEVICE FOR HOLDING THE BLADES OF A ROTOR
US4344740A (en) *	1979-09-28	1982-08-17	United Technologies Corporation	Rotor assembly
GB8705216D0 (en) *	1987-03-06	1987-04-08	Rolls Royce Plc	Rotor assembly
US4846628A (en) *	1988-12-23	1989-07-11	United Technologies Corporation	Rotor assembly for a turbomachine
US5030063A (en) *	1990-02-08	1991-07-09	General Motors Corporation	Turbomachine rotor
FR2710103B1 (en) *	1993-09-16	1995-10-20	Snecma	Turbomachine rotor flange and assembly of this flange with a rotor.

2000
- 2000-09-28 FR FR0012339A patent/FR2814495B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
FR2814495A1 (en)	2002-03-29

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Legal Events

Date	Code	Title	Description
2006-02-10	CD	Change of name or company name
2016-09-02	PLFP	Fee payment	Year of fee payment: 17
2017-05-17	PLFP	Fee payment	Year of fee payment: 18
2017-11-10	CD	Change of name or company name	Owner name: SNECMA, FR Effective date: 20170713
2018-08-22	PLFP	Fee payment	Year of fee payment: 19
2019-08-20	PLFP	Fee payment	Year of fee payment: 20