1. A plug door opening-closing apparatus comprising:
a lock mechanism directly or indirectly arranged on one of an upper portion and a lower portion of at least one door of a vehicle, wherein the lock mechanism locks the door when the door is completely closed so that the door does not open;
a drive mechanism coupled to the lock mechanism, wherein the drive mechanism drives the lock mechanism to switch the door from an unlocked state to a locked state; and
a door support mechanism mechanically coupled to the lock mechanism, wherein
the door support mechanism supports the door, and
when the completely closed door is switched from the unlocked state to the locked state, the door support mechanism is adapted to hold the door and hinder outward displacement, in a vehicle width direction, of the other one of the upper portion and the lower portion of the door that is less the lock mechanism.
2. The plug door opening-closing apparatus according to claim 1, further comprising:
at least one swing arm mechanism that guides movement of the door in the vehicle width direction, wherein
the door support mechanism holds the door by restricting movement of the swing arm mechanism.
3. The plug door opening-closing apparatus according to claim 2, wherein
the door support mechanism includes a restriction member that limits movement of a movable portion of the swing arm mechanism to restrict movement of the swing arm mechanism, and
in cooperation with the switching of the lock mechanism, the restriction member is movable to a restriction position, where the restriction member restricts movement of the swing arm mechanism, and a non-restriction position, where the restriction member does not restrict movement of the swing arm mechanism.
4. The plug door opening-closing apparatus according to claim 3, wherein the restriction member contacts the movable portion at the restriction position.
5. The plug door opening-closing apparatus according to claim 3, wherein
the drive mechanism is directly or indirectly arranged on the upper portion of the door, and
the movable portion defines an upper portion of the swing arm mechanism.
6. The plug door opening-closing apparatus according to claim 3, wherein the door support mechanism further includes:
a movable bracket coupled to one of the lock mechanism and the drive mechanism, wherein the movable bracket moves in a vehicle front-rear direction; and
a coupling rod that extends in the vehicle front-rear direction and couples the movable bracket and the restriction member.
7. The plug door opening-closing apparatus according to claim 6, wherein the coupling rod includes a length adjustment mechanism.
8. The plug door opening-closing apparatus according to claim 6, wherein
the door support mechanism further includes at least one support member fixed to the vehicle, and
the support member is adapted to support the coupling rod and hinder outward deformation, in the vehicle width direction, of the coupling rod.
9. The plug door opening-closing apparatus according to claim 8, wherein
the at least one support member includes a plurality of support members that support the coupling rod at different positions in the vehicle front-rear direction, and
the restriction member is located between two adjacent ones of the support members.
10. The plug door opening-closing apparatus according to claim 6, wherein the door support mechanism further includes a guide member that guides movement of the movable bracket in the vehicle front-rear direction.
11. The plug door opening-closing apparatus according to claim 6, wherein
the at least one door includes two doors,
the at least one swing arm mechanism includes two swing arm mechanisms, which respectively correspond to the two doors, and
the door support mechanism includes two of the restriction members that respectively correspond to the two swing arm mechanisms and two of the coupling rods that respectively correspond to the two swing arm mechanisms.
12. The plug door opening-closing apparatus according to claim 3, wherein
the swing arm mechanism includes an upper swing arm rotated outward in the vehicle width direction about a rotational axis that extends in a height direction when receiving force that moves the door outward in the vehicle width direction, and
the movable portion includes the upper swing arm.
13. The plug door opening-closing apparatus according to claim 12, wherein the swing arm mechanism further includes
a lower swing arm that supports the lower portion of the door, wherein the lower swing arm guides movement of the door when rotated outward in the vehicle width direction about a rotational axis that extends in the height direction, and
a pillar that couples the upper swing arm and the lower swing arm.
14. The plug door opening-closing apparatus according to claim 13, further comprising:
a pressed portion coupled to the door, wherein when the lock mechanism locks the door, the pressed portion comes into contact with the lower swing arm and is pressed toward a door closing side.
15. The plug door opening-closing apparatus according to claim 14, wherein the pressed portion includes a contact surface that contacts the lower swing arm, and the contact surface is inclined relative to the vehicle front-rear direction, the plug door opening-closing apparatus further comprising:
a roller coupled to the lower swing arm; and
a lower sliding rail coupled to the lower portion of the door and extending in the vehicle front-rear direction, wherein the lower swing arm supports the lower sliding rail via the roller that contacts with the lower sliding rail from at least an inner side in the vehicle width direction.
16. The plug door opening-closing apparatus according to claim 12, wherein
the swing arm mechanism further includes a restricted rod coupled to the upper swing arm, wherein the restricted rod extends in the height direction, and
the restriction member restricts rotation of the upper swing arm by limiting movement of the restricted rod at the restriction position.
17. The plug door opening-closing apparatus according to claim 16, wherein
the swing arm mechanism further includes a rod wheel rotatably coupled to the restricted rod, and
the restriction member restricts movement of the restricted rod when contacting the rod wheel.
18. The plug door opening-closing apparatus according to claim 16, further comprising:
a guide arm that moves the door in the vehicle width direction when rotated about a rotational axis that extends in the height direction, wherein the restricted rod is coupled to the guide arm.
19. The plug door opening-closing apparatus according to claim 18, further comprising:
an auxiliary arm coupled to the upper swing arm to be rotatable about a rotational axis that extends in the height direction, wherein
the auxiliary arm adjusts a position of the upper swing arm relative to the guide arm, and
the restricted rod, which is coupled to the auxiliary arm, indirectly couples the restricted rod to the upper swing arm.
20. The plug door opening-closing apparatus according to claim 19, wherein the auxiliary arm includes a length adjustment mechanism.
21. The plug door opening-closing apparatus according to claim 3, wherein
the restriction member includes a flat surface that extends in the vehicle front-rear direction, and
the flat surface is configured to contact the movable portion.
22. The plug door opening-closing apparatus according to claim 21, wherein
the restriction member includes an inclined surface at a portion through which the movable portion passes when moving from the non-restriction position to the restriction position, and
the inclined surface is continuous with the flat surface and inclined outward in the vehicle width direction from the flat surface.
23. The plug door opening-closing apparatus according to claim 1, wherein the drive mechanism also functions as a drive source that opens and closes the door.
24. A plug door device comprising:
a vehicle door; and
the plug door opening-closing apparatus according to claim 1 that opens and closes the door.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A turbojet including an afterburner channel for heating of a gas stream, at least one injection device for injecting fuel into the gas stream, the injection device comprising:
an open chamber, with a U-shaped section, having at least one wall and within which extends a fuel injector that injects fuel in at least one direction,
a cooling jacket in the open chamber, alongside the base of the U-shaped section,
a protection device interposed between the fuel injector and the wall, in a fuel-injection direction so as to prevent a direct impact of the fuel from said fuel injector onto said wall, and
a protective screen positioned downstream of said fuel injector and configured to protect the fuel injector tube from ignited fuel,
wherein said protection device is located between said protective screen and said wall, and wherein said protection device and said protective screen are configured and positioned with respect to each other so as to define channels between said protection device and said protective screen for the fuel to be ejected through said channels and beyond said wall of the open chamber before being ignited.
2. A turbojet in accordance with claim 1, wherein the protection device includes at least one plate.
3. A turbojet in accordance with claim 1, wherein the injection device forms a radial arm.
4. A turbojet in accordance with claim 3, wherein the protection device extends over all of the radial height of the radial arm.
5. A turbojet in accordance with claim 1, wherein the fuel injector includes at least one tube, supplied with the fuel and including fuel-injection jets.
6. A turbojet in accordance with claim 1, wherein the fuel injector is placed between walls forming the branches of the U-shaped section.
7. A turbojet in accordance with claim 1, wherein said U-shaped section includes a first branch and a second branch, and said protection device includes a first plate substantially parallel to said first branch and a second plate substantially parallel to said second branch.
8. A turbojet in accordance with claim 7, wherein each plate is attached to a wall to which the plate is substantially parallel.
9. A turbojet in accordance with claim 7, wherein each plate is attached to the cooling jacket.
10. A turbojet in accordance with claim 2, wherein the plate includes a U-shaped section and a radial recess in a central part of the base of the U-shaped section of the plate, which is slid onto a part forming a slide, attached to the cooling jacket.
11. A turbojet in accordance with claim 2, wherein the plate includes slots.
12. A turbojet in accordance with claim 2, wherein the plate includes a portion of corrugated wall.
13. A turbojet in accordance with claim 1, wherein the injection device forms a ring.
14. A turbojet in accordance with claim 1, wherein said U-shaped section includes a first branch and a second branch, and said protection device includes a first plate and a second plate, wherein said first plate is between said fuel injector and said first branch so as to prevent direct impact of the fuel from said fuel injector onto said first branch, and wherein said second plate is between said fuel injector and said second branch so as to prevent direct impact of the fuel from said fuel injector onto said second branch.
15. A turbojet in accordance with claim 14, wherein said first plate is substantially parallel to said first branch, and said second plate is substantially parallel to said second branch.
16. A turbojet in accordance with claim 14, comprising a plurality of flame holder arms, each flame holder arm being configured as said injection device, wherein said flame holder arms are arranged around the circumference of said heating channel and extend radially inside said heating channel from a heating channel jacket.
17. A turbojet in accordance with claim 16, further comprising a plurality of fuel-injector arms, each fuel-injector arm having a fuel injector, wherein said fuel-injector arms are arranged around the circumference of said heating channel and extend radially inside said heating channel from said heating channel jacket, wherein said fuel-injector arms are positioned upstream relative to said flame holder arms.
18. A turbojet in accordance with claim 17, wherein said flame holder arms are angularly offset in relation to said fuel-injector arms so that, when viewed face on, each fuel injector arm is located between two adjacent flame holder arms and equidistant from each of said two adjacent flame holder arms.
19. A turbojet in accordance with claim 1, wherein the protective screen is U-shaped with arms substantially parallel to said protection device.
20. A turbojet in accordance with claim 1, wherein said protection device includes two distinct plates separated from each other, each plate being between said wall and said protective screen.
21. A turbojet in accordance with claim 1, wherein said protection device is mounted to said wall via a plurality of pins, and said protective screen is mounted to said protection device via said plurality of pins.