Hinged device for doors of an aircraft nacelle and nacelle equipped with said hinged device

• US 20070267539A1
• Filed: 05/14/2007
• Published: 11/22/2007
• Est. Priority Date: 05/16/2006
• Status: Active Grant

• Current Assignee: Airbus Operations SAS (Airbus SE)
• Original Assignee: Airbus France
• Inventors: Bulin, Guillaume
• Granted Patent: US 7,703,716 B2
• Time in Patent Office: Days
• US Class Current: 244/53.R
• CPC Class Codes: B64D 29/06 Attaching of nacelles, fairings or cowlings
• CPC Class Codes: B64D 29/08 Inspection panels for power plants

Abstract

A hinged device for at least one door (46.1, 46.2) of an aircraft nacelle (40), whereby the door is able to block an opening (44) that is made in the fairing of the nacelle, the device including a base to which is connected at least one door, able to occupy a first retracted state in which the base is located at least in part inside the nacelle and a second extended state in which the base is located outside the fairing of the nacelle so as to be able to move, in a direction that is essentially parallel to the longitudinal axis of the nacelle, outside of the nacelle by entraining the at least one door (46.1, 46.2) to release the opening (44) at least in part.

Claims

1. Hinged device for at least one door (46.1, 46.2) of an aircraft nacelle (40), said door being able to block an opening (44) that is made in the fairing of the nacelle, characterized in that it comprises a base (54) to which is connected at least one door, able to occupy a first retracted state in which said base (54) is located at least in part inside the nacelle and a second extended state in which said base (54) is located outside the fairing of the nacelle so as to be able to move, in a direction that is essentially parallel to the longitudinal axis of the nacelle, outside of said nacelle by entraining said at least one door (46.1, 46.2) to release the opening (44) at least in part.

2. Hinged device for at least one door of an aircraft nacelle according to claim 1, wherein the base (54) is connected to the nacelle by means of at least one connecting element of which a first end is connected to the nacelle and a second end is connected to the base, whereby at least one of the two ends is able to slide along a slide that is integral with the nacelle and/or the base.

3. Hinged device for at least one door of an aircraft nacelle according to claim 2, wherein the connecting means comprise a deformable parallelogram (58) that comprises two connecting elements (60.1, 60.2) whose first ends are connected to the nacelle and the second ends are able to slide along at least one slide (62) that is integral with the base (54), whereby the connecting elements (60.1, 60.2) have lengths that are adapted so that the base (54) can move outside the fairing in the extended state.

4. Hinged device for at least one door of an aircraft nacelle according to claim 3, wherein one of the two connecting elements (60.1, 60.2) is connected at the front lateral edge (48) of the opening of the nacelle so that the base (54) moves toward the front of the nacelle.

5. Hinged device for at least one door of an aircraft nacelle according to claim 1, wherein the base is located in the low part of the nacelle, said at least one door being connected by a pivoting axis that is essentially parallel to the longitudinal axis (42) of the nacelle and wherein said hinged device comprises at least one connecting and holding element of which a first end is connected to the door and a second end is connected to the nacelle, at least one of the two ends being able to slide along a slide (76) that is made at the door and/or the nacelle.

6. Hinged device for at least one door of an aircraft nacelle according to claim 5, wherein the connecting and holding element comprises a connecting rod (78) that is connected to a first end to the nacelle and comprises at the other end a roller (82) that can move along a slide (76) that is integral with the door.

7. Aircraft nacelle that comprises at least one opening (44) that can be blocked by at least one door that is connected to the nacelle by a hinged device according to claim 1.

8. Aircraft nacelle according to claim 7, wherein it comprises a base (54) that is located in the lower part of the nacelle with a hinge (56) on each side that respectively connects two doors (46.1, 46.2) to said base.

9. Aircraft nacelle according to claim 7, wherein it comprises locking means for keeping the door or doors in the closed position.

10. Aircraft nacelle according to claim 7, wherein it comprises locking means for keeping the door or doors in the open position.

11. Aircraft nacelle according to claim 7, wherein the base (54) is connected to the nacelle by a deformable parallelogram whose deformations are controlled by an actuator.

12. Aircraft actuator according to claim 7, wherein said at least one door (46.1, 46.2) is connected to the nacelle via at least one connecting and holding element that comes in the form of a connecting rod (78) that is connected to a first end to the nacelle and that comprises at the other end a roller (82) that can move along a slide (76) that is integral with the door and wherein the anchoring point to the nacelle of the first end of the connecting rod (78) is offset relative to the end of the slide (76) against which the roller (82) is able to abut.

13. Aircraft nacelle according to claim 7, wherein said at least one door (46.1, 46.2) is connected to the nacelle via at least one connecting and holding element that comes in the form of a connecting rod (78) that is connected to a first end to the nacelle and that comprises at the other end a roller (82) that is able to move along a slide (76) that is integral with the door and wherein the length of the slide is adjusted so that the roller (82) of the connecting rod (78) abuts against its end when the door is in the open position.

14. Aircraft nacelle according to claim 8, wherein it comprises locking means for keeping the door or doors in the closed position.

15. Aircraft nacelle according to claim 8, wherein it comprises locking means for keeping the door or doors in the open position.

16. Aircraft nacelle according to claim 9, wherein it comprises locking means for keeping the door or doors in the open position.

17. Aircraft nacelle according to claim 8, wherein the base (54) is connected to the nacelle by a deformable parallelogram whose deformations are controlled by an actuator.

18. Aircraft nacelle according to claim 9, wherein the base (54) is connected to the nacelle by a deformable parallelogram whose deformations are controlled by an actuator.

19. Aircraft nacelle according to claim 10, wherein the base (54) is connected to the nacelle by a deformable parallelogram whose deformations are controlled by an actuator.

20. Aircraft actuator according to claim 8, wherein said at least one door (46.1, 46.2) is connected to the nacelle via at least one connecting and holding element that comes in the form of a connecting rod (78) that is connected to a first end to the nacelle and that comprises at the other end a roller (82) that can move along a slide (76) that is integral with the door and wherein the anchoring point to the nacelle of the first end of the connecting rod (78) is offset relative to the end of the slide (76) against which the roller (82) is able to abut.