WO2009024470A1 - Dispositif de liaison, destiné à relier un premier et un second éléments articulés l'un par rapport à l'autre - Google Patents
Dispositif de liaison, destiné à relier un premier et un second éléments articulés l'un par rapport à l'autre Download PDFInfo
- Publication number
- WO2009024470A1 WO2009024470A1 PCT/EP2008/060348 EP2008060348W WO2009024470A1 WO 2009024470 A1 WO2009024470 A1 WO 2009024470A1 EP 2008060348 W EP2008060348 W EP 2008060348W WO 2009024470 A1 WO2009024470 A1 WO 2009024470A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- connecting rod
- state
- connecting device
- another
- articulated
- Prior art date
Links
- 230000008878 coupling Effects 0.000 title abstract 2
- 238000010168 coupling process Methods 0.000 title abstract 2
- 238000005859 coupling reaction Methods 0.000 title abstract 2
- 230000006835 compression Effects 0.000 claims abstract description 14
- 238000007906 compression Methods 0.000 claims abstract description 14
- 238000006467 substitution reaction Methods 0.000 claims abstract description 3
- 230000000694 effects Effects 0.000 claims description 4
- 230000035882 stress Effects 0.000 description 16
- 239000000470 constituent Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006355 external stress Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/40—Arrangements for mounting power plants in aircraft
- B64D27/406—Suspension arrangements specially adapted for supporting thrust loads, e.g. thrust links
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/40—Arrangements for mounting power plants in aircraft
- B64D27/402—Arrangements for mounting power plants in aircraft comprising box like supporting frames, e.g. pylons or arrangements for embracing the power plant
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02K—JET-PROPULSION PLANTS
- F02K1/00—Plants characterised by the form or arrangement of the jet pipe or nozzle; Jet pipes or nozzles peculiar thereto
- F02K1/54—Nozzles having means for reversing jet thrust
- F02K1/76—Control or regulation of thrust reversers
- F02K1/763—Control or regulation of thrust reversers with actuating systems or actuating devices; Arrangement of actuators for thrust reversers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
- F16B2200/63—Frangible connections
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- 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
- Y10T403/32—Articulated members
- Y10T403/32114—Articulated members including static joint
- Y10T403/32221—Articulate joint comprises pivoted clevis or channel bar
-
- 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
- Y10T403/32—Articulated members
- Y10T403/32606—Pivoted
- Y10T403/32861—T-pivot, e.g., wrist pin, etc.
Definitions
- Connecting device for connecting a first and a second articulated element relative to each other
- the invention relates to a connecting device for connecting a first and a second element articulated with respect to one another.
- the invention applies more particularly to areas in which the articulated elements are subjected to external stresses, the connecting device then being subjected consecutively to compressive stresses and to tensile stresses, thus generating a fatigue phenomenon of constituent elements of the connecting device.
- a connecting device is used in particular in the field of aeronautics, in particular to equip nacelles.
- a nacelle is a fairing element for protecting a reactor from an aircraft.
- a nacelle generally carries two articulated elements on the mast of the aircraft so as to allow access to the engine housed inside the nacelle.
- Locks are arranged at junction areas between the two articulated elements arranged in the lower part, that is to say at 6 o'clock, and in the upper part, that is to say at 12 o'clock, in order to avoid opening the platform during the flight. It is known to use locks comprising a connecting device comprising a connecting rod, the latter being subjected to both compression stresses and tensile stresses, thus generating a phenomenon of fatigue.
- the rod subjected to fatigue is greatly weakened so that, for safety reasons, it is necessary to oversize it significantly and / or to provide an additional connecting rod to overcome any breakage of the aforementioned rod.
- Such a connecting device has a weight, a cost and a large footprint.
- the invention aims to solve these drawbacks by proposing a connecting device, intended to connect a first and a second articulated element with respect to the other, characterized in that it comprises a compression element designed to realize the passing a compressive force from one element to another in a first state, and a traction element designed to effect the passage of a tensile force from one element to another in a second state, the element compression member further forming a substitution traction member adapted to effect the passage of a tensile force from one element to another in a third state corresponding to the breaking of the traction element.
- a fatigue phenomenon occurs when an element is frequently subjected to tensile stresses, creating a crack that tends to propagate during repetitive tensile stresses.
- the compression element does not support any tensile stress so that it is not subjected to fatigue.
- connection device thus provides a path of healthy effort created by the compression element and to play the same role as the traction element in case of rupture of the latter.
- the compression element comprises a first connecting rod, the traction element comprising a second connecting rod, each connecting rod being equipped with a first and a second end provided with articulation means, respectively on the first and the second articulated elements.
- the second connecting rod is housed in the first connecting rod.
- This characteristic makes it possible to increase the compactness of the connecting device.
- each connecting rod has an oblong opening in the vicinity of at least one end, the oblong opening being intended for the passage of an articulation axis of the connecting device on the corresponding element.
- the oblong openings allow to accept a slight movement between the connecting rods and the hinge pins connected to the corresponding articulated elements. They also make it possible to compensate for the positioning defects of one half-shell relative to the other so as to allow their locking.
- the oblong openings are arranged so that, in the first state, the first connecting rod is in abutment against the hinge axis while the second connecting rod is set back from it and that, in the second state, the second rod is in abutment against the hinge axis while the first rod is set back from it.
- the first link in the first state, the first link is only subjected to compressive stresses while the second link is not subject to any particular constraint and, in the second state, the second rod is subjected only to tensile stresses while the first rod is not subject to any particular constraint.
- the invention further relates to a nacelle comprising a first and a second element articulated with respect to each other, characterized in that the articulated elements are connected by at least one connecting device according to the invention.
- the invention also relates to an aircraft, characterized in that it comprises at least one nacelle according to the invention.
- Figure 1 is a longitudinal sectional view in a first state
- Figure 2 is an enlarged view of one end of the connecting device of Figure 1;
- Figures 3 and 4 are views respectively corresponding to Figures 1 and 2, the connecting device in a second state;
- FIG. 1 shows a connecting device 1 comprising a first connecting rod 2 of generally tubular shape and a second connecting rod 3 of generally cylindrical shape, extending inside the first connecting rod 2 along an axis A.
- Each connecting rod 2, 3 comprises a first and a second end 4, 5, respectively connected to a first and a second clevis
- the axis 9 is arranged perpendicular to the axis 8.
- the second ends of the connecting rods 2, 3 are connected to a universal joint 13 of which the yoke 7 is part and having an axis articulation 14 parallel to the axis 8.
- the first end 4 of the second connecting rod 3 comprises a yoke 10 hinged to the first hinge axis 8, the yoke 10 having two oblong holes 11 arranged facing one another.
- the first end 4 of the first connecting rod 2 further comprises two oblong holes 12 traversed by the first hinge axis 8 and arranged facing one another.
- the oblong holes 11, 12 have substantially the same length and are arranged staggered with respect to each other so that, in a first traction state of the connecting device, shown in FIGS. 1 and 2, the second connecting rod 3 in abutment against the first hinge pin 8, at the outer portion of the oblong holes 11, while the first rod 2 is set back from the aforementioned axis 8. In this way, in the first state of traction, only the second link 3 is subjected to tensile stresses, the first link 2 being subjected to no particular constraint.
- Figures 3 and 4 show the connecting device 1 in a second state, corresponding to a state of compression thereof.
- the first link 2 abuts against the first hinge axis 8, at the inner portion of the oblong holes 12, while the second link 3 is set back from the aforementioned axis 8.
- the first connecting rod 2 can also abut against a concave bottom 15 of the yoke 6, or else come into abutment against the bottom 15 and against the axis 8.
- first rod 2 does not abut against the axis 8
- first connecting rod 2 is subjected to compressive stresses, the second connecting rod 3 being subjected to no particular constraint.
- the device In normal operation, the device is subjected to one of the two aforementioned states, so that none of the connecting rods 2, 3 is subjected to both compression and traction.
- the connecting rods 2, 3 therefore do not undergo a fatigue phenomenon, occurring during a succession of tensile stresses or by the alternation between compressive stresses and tensile stresses.
- Figures 5 and 6 show a third state of the connecting device 1 corresponding to accidental operation.
- This third state corresponds to a break of the second connecting rod 3.
- the first connecting rod 2 capable of producing the passage of compressive force between the two articulated elements of the nacelle, is also capable of producing the passage of tensile force in the event of rupture. of the second connecting rod 3.
- the first connecting rod 2 abuts against the first hinge axis 8, at the outer portion of the oblong holes 12.
- the first connecting rod 2 thus forms a pathway for the traction forces.
- the second connecting rod 3 able to achieve the passage of traction force between the two articulated elements of the nacelle, is also able to achieve the passage of compressive force in case of breakage of the first connecting rod 2.
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Wind Motors (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Piles And Underground Anchors (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US12/673,865 US8342770B2 (en) | 2007-08-20 | 2008-08-06 | Coupling device intended to connect first and second elements which are hinged with respect to one another |
BRPI0813606-8A2A BRPI0813606A2 (pt) | 2007-08-20 | 2008-08-06 | "dispositivo de acoplamento, nacela dotada de um primeiro e de um segundo elemento que são articulados entre si e aeronave" |
RU2010109814/11A RU2475420C2 (ru) | 2007-08-20 | 2008-08-06 | Соединительное устройство для соединения первого и второго элементов, шарнирно поворотных относительно друг друга |
CN2008801025992A CN101778764B (zh) | 2007-08-20 | 2008-08-06 | 用于连接相对于彼此形成铰接的第一和第二元件的联结设备 |
EP08786954A EP2181038A1 (fr) | 2007-08-20 | 2008-08-06 | Dispositif de liaison, destiné à relier un premier et un second éléments articulés l'un par rapport à l'autre |
CA2696716A CA2696716A1 (fr) | 2007-08-20 | 2008-08-06 | Dispositif de liaison, destine a relier un premier et un second elements articules l'un par rapport a l'autre |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR07/05935 | 2007-08-20 | ||
FR0705935A FR2920178B1 (fr) | 2007-08-20 | 2007-08-20 | Dispositif de liaison, destine a relier un premier et un second elements articules l'un par rapport a l'autre |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009024470A1 true WO2009024470A1 (fr) | 2009-02-26 |
Family
ID=39315172
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2008/060348 WO2009024470A1 (fr) | 2007-08-20 | 2008-08-06 | Dispositif de liaison, destiné à relier un premier et un second éléments articulés l'un par rapport à l'autre |
Country Status (8)
Country | Link |
---|---|
US (1) | US8342770B2 (fr) |
EP (1) | EP2181038A1 (fr) |
CN (1) | CN101778764B (fr) |
BR (1) | BRPI0813606A2 (fr) |
CA (1) | CA2696716A1 (fr) |
FR (1) | FR2920178B1 (fr) |
RU (1) | RU2475420C2 (fr) |
WO (1) | WO2009024470A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130118301A1 (en) * | 2010-07-23 | 2013-05-16 | Airbus Operations | Aircraft comprising a link rod one part of which is made of composite |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2920174A1 (fr) * | 2007-08-20 | 2009-02-27 | Aircelle Sa | Dispositif de liaison entre les deux demi-coquilles d'une nacelle de moteur d'aeronef, et nacelle equipee d'un tel dispositif |
FR2962976B1 (fr) | 2010-07-22 | 2013-07-26 | Airbus Operations Sas | Dispositif de liaison destine a relier un premier corps a un second corps, notamment pour ensemble moteur d'aeronef |
FR2965850B1 (fr) * | 2010-10-11 | 2012-12-14 | Airbus Operations Sas | Dispositif de liaison de securite et aeronef equipe d'un tel dispositif de liaison de securite |
FR2965867B1 (fr) * | 2010-10-12 | 2013-08-09 | Airbus Operations Sas | Bielle structurale adaptee a filtrer des vibrations longitudinales |
FR2969578B1 (fr) * | 2010-12-27 | 2013-02-08 | Snecma | Dispositif de suspension d'un turboreacteur |
US8632099B2 (en) * | 2011-11-14 | 2014-01-21 | Mac Trailer Manufacturing, Inc. | Tank trailer having an air actuated handrail assembly |
DE102014101189B4 (de) * | 2014-01-31 | 2019-07-25 | Hs Products Engineering Gmbh | Kraftübertragungsvorrichtung für ein Getriebe und Montageverfahren |
DE102014105372A1 (de) * | 2014-04-15 | 2015-10-29 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Einrichtung zum Schutz gegen Überlastung |
CN105628354B (zh) * | 2014-11-28 | 2019-02-15 | 重庆西山科技股份有限公司 | 手术动力装置性能测试装置 |
GB201503560D0 (en) * | 2015-03-03 | 2015-04-15 | Rolls Royce Plc | A system and method for applying a tensile load to a component |
FR3037039B1 (fr) * | 2015-06-03 | 2017-06-02 | Aircelle Sa | Dispositif de verrouillage de capots pivotants d’un inverseur de poussee |
CN105908646A (zh) * | 2016-04-29 | 2016-08-31 | 闫鹏飞 | 一种提示装置 |
US10612491B2 (en) * | 2017-09-25 | 2020-04-07 | Rohr, Inc. | Mounting device with pin actuator |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2771459A1 (fr) * | 1997-11-27 | 1999-05-28 | Aerospatiale | Bielle telescopique d'ouverture d'un capot mobile, notamment de nacelle d'un moteur d'avion |
FR2771710A1 (fr) * | 1997-12-03 | 1999-06-04 | Aerospatiale | Dispositif d'ouverture commun a deux capots adjacents de nacelle de moteur d'avion |
FR2830842A1 (fr) * | 2001-10-11 | 2003-04-18 | Short Brothers Plc | Unite de puissance propulsive pour avion |
US6622963B1 (en) * | 2002-04-16 | 2003-09-23 | Honeywell International Inc. | System and method for controlling the movement of an aircraft engine cowl door |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3922104A (en) * | 1974-09-20 | 1975-11-25 | Us Navy | Tension link control device |
US4808023A (en) * | 1985-02-12 | 1989-02-28 | The United States Of America As Represented By The Secretary Of The Air Force | Dual load path pin clevis joint |
US4786202A (en) * | 1985-02-12 | 1988-11-22 | The United States Of America As Represented By The Secretary Of The Air Force | Dual load path pin clevis joint |
HU198649B (en) * | 1986-06-17 | 1989-11-28 | Finoszerelvenygyar | Telescope arm with locked formation in ground state |
US4836485A (en) * | 1987-01-30 | 1989-06-06 | Alliance Research Corporation | Universally adjustable mounting device |
RU2060186C1 (ru) * | 1990-07-02 | 1996-05-20 | Женыс Мадыкенович Касылкасов | Сцепка транспортного средства |
US5470118A (en) * | 1992-12-02 | 1995-11-28 | Burton; James E. | Shear device for well service tools |
US6007267A (en) * | 1998-07-16 | 1999-12-28 | Kenneth Roberts | Mechanical load fuse assembly |
US7093996B2 (en) * | 2003-04-30 | 2006-08-22 | General Electric Company | Methods and apparatus for mounting a gas turbine engine |
-
2007
- 2007-08-20 FR FR0705935A patent/FR2920178B1/fr active Active
-
2008
- 2008-08-06 BR BRPI0813606-8A2A patent/BRPI0813606A2/pt not_active IP Right Cessation
- 2008-08-06 US US12/673,865 patent/US8342770B2/en active Active
- 2008-08-06 CA CA2696716A patent/CA2696716A1/fr not_active Abandoned
- 2008-08-06 EP EP08786954A patent/EP2181038A1/fr not_active Withdrawn
- 2008-08-06 WO PCT/EP2008/060348 patent/WO2009024470A1/fr active Application Filing
- 2008-08-06 RU RU2010109814/11A patent/RU2475420C2/ru not_active IP Right Cessation
- 2008-08-06 CN CN2008801025992A patent/CN101778764B/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2771459A1 (fr) * | 1997-11-27 | 1999-05-28 | Aerospatiale | Bielle telescopique d'ouverture d'un capot mobile, notamment de nacelle d'un moteur d'avion |
FR2771710A1 (fr) * | 1997-12-03 | 1999-06-04 | Aerospatiale | Dispositif d'ouverture commun a deux capots adjacents de nacelle de moteur d'avion |
FR2830842A1 (fr) * | 2001-10-11 | 2003-04-18 | Short Brothers Plc | Unite de puissance propulsive pour avion |
US6622963B1 (en) * | 2002-04-16 | 2003-09-23 | Honeywell International Inc. | System and method for controlling the movement of an aircraft engine cowl door |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130118301A1 (en) * | 2010-07-23 | 2013-05-16 | Airbus Operations | Aircraft comprising a link rod one part of which is made of composite |
US9638241B2 (en) * | 2010-07-23 | 2017-05-02 | Airbus Operations (S.A.S.) | Aircraft comprising a link rod one part of which is made of composite |
Also Published As
Publication number | Publication date |
---|---|
BRPI0813606A2 (pt) | 2014-12-30 |
RU2010109814A (ru) | 2011-09-27 |
US20110110705A1 (en) | 2011-05-12 |
RU2475420C2 (ru) | 2013-02-20 |
US8342770B2 (en) | 2013-01-01 |
CN101778764B (zh) | 2013-07-17 |
FR2920178B1 (fr) | 2009-10-30 |
FR2920178A1 (fr) | 2009-02-27 |
EP2181038A1 (fr) | 2010-05-05 |
CN101778764A (zh) | 2010-07-14 |
CA2696716A1 (fr) | 2009-02-26 |
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