1-10. (canceled)
11. A method for control of an internal combustion engine to regenerate an exhaust-gas purifying mechanism disposed on an exhaust line of the engine, comprising:
analyzing a composition of exhaust gases solely downstream from the purifying mechanism during a phase of regeneration of the purifying mechanism; and
creating a signal for control of the engine based on the analysis to modify the composition of the exhaust gases upstream from the purifying mechanism.
12. A method according to claim 11, wherein the composition of the exhaust gases is analyzed by an oxygen sensor of all-or-nothing type situated downstream from the purifying mechanism.
13. A method according to claim 12, wherein an operating temperature of the oxygen sensor is controlled.
14. A method according to claim 12, wherein an output signal of the oxygen sensor is compared with a reference value, and a control signal is created to reduce the difference between the output signal of the oxygen sensor and the reference value.
15. A method according to claim 11, wherein an end stage of the regeneration phase is detected based on the control signal.
16. A control device for regeneration of an exhaust-gas purifying mechanism disposed on an exhaust line of an internal combustion engine, comprising:
a control module configured to modify fuel injection; and
an oxygen sensor disposed on the exhaust line directly downstream from the purifying mechanism;
wherein, during a phase of regeneration of the purifying mechanism, the control module is configured to cause a modification of a composition of exhaust gases solely as a function of an output signal of the oxygen sensor.
17. A device according to claim 16, wherein the oxygen sensor is of all-or-nothing or proportional type.
18. A device according to claim 16, further comprising means for controlling an operating temperature of the oxygen sensor.
19. A device according to claim 16, further comprising a detection module configured to detect an end of a regeneration phase as a function of a control signal produced by the control module.
20. A device according to claim 16, wherein the purifying mechanism comprises a nitrogen oxides trap.
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. An assembly for securing an openable aperture closure member (11) in a closed position relative to an aperture defined by a main frame (12), said assembly comprising:
said openable aperture closure member (11),
said main frame (12),
a compressible gasket disposed between the closure member (11) and the frame (12) defining the aperture, wherein each of the aperture closure member (11) and the main frame (12) includes a respective portion (50,54) of a magnetic means for securing said closure member (11) to the frame (12),
wherein said magnetic means for securing includes a magnetic field in both portions (50,54), one of the portions (50) being disposed on the main frame (12) and one of the portions (54) being disposed on the openable closure member (11) and thus being adapted to be movable by an operator with the openable closure member alternately into a magnetically attractive closure position and a magnetically unattractive opening position, the gasket being at least partially compressed when the closure member (11) is secured to the aperture, and the attractive force between the portions (50, 54) exceeds the repulsion force of the gasket at all stages of compression of the gasket.
2. An assembly according to claim 1, wherein portions (50,54) are separated by a medium with a low magnetic permeability when the closure member 11 is in the closed position.
3. An assembly according to claim 1, wherein one or both of the portions (50,54) comprises a permanent magnet (51,55).
4. An assembly according to claim 1, wherein the permanent magnets (51,55) are bar magnets disposed on a substantially L-shaped member (52,56) of a magnetically permeable material to effectively form a U-shaped magnetic unit with both poles facing in the same direction.
5. An assembly according to claim 3, wherein the permanent magnet (51,55) or the magnetic unit (50,54) is embedded in a material with a low magnetic permeability.
6. An assembly according to claim 5, wherein a medium with a low magnetic permeability separating the two portions is formed by the material in which the permanent magnet (51,55) or the magnetic unit (50,54) is embedded.
7. An assembly according to claim 1, further comprising a leverage mechanism for overcoming the attractive magnetic force between the portions (50,54) when moving the closure member (11) away from the closed position.
8. An assembly according to claim 7, wherein the leverage mechanism includes a handle bar (36) operatively connected to a rotatable cam (48) and roller (61).
9. An assembly according to claim 8, wherein the leverage mechanism including the handle bar (36) and the cam (48) is arranged on andor in the closure member (12).
10. An assembly according to claim 8, wherein the leverage mechanism includes a rack (65) and pinion (66) gear (38) to transmit a translative movement of the handle bar (36) into a rotational movement of the cam (48).
11-31. (canceled)
32. A method for securing and releasing an openable aperture closure member (11) in closed position relative to an aperture defined by a main frame (12), one of the aperture closure member (11) and the main frame (12) including a magnetic means (20) for securing said closure member (11) to the frame (12); a compressible gasket between the closure member (11) and the aperture, the method being characterized by: substantially translationally moving at least a portion (50) of a magnetic assembly (20) toward another portion (54) of the magnetic assembly (20); alternately securing and releasing an openable aperture closure member (11) in closed position relative to an aperture defined by a main frame (12) with the gasket at least partially compressed, wherein the attractive force between the portions of the magnetic assembly is in all positions larger that the gasket repulsion force to obtain a positive effective closing force.
33. A method according to claim 32, further comprising the step of overcoming the effective closing force for releasing an openable aperture closure member (11) by the use of a leverage mechanism.
34. A method according to claim 32, wherein the assembly further includes a mechanical locking means (43, 44) for locking said closure member (11) to the frame (12); said method further comprises the steps of: first bringing the an openable aperture closure member (11) in the closed position by compressing the gasket with the assistance of the magnetic locking (20) means and thereafter engaging the mechanical locking means (43, 44) when securing the closure member (11) to the aperture defined by the frame (12), and first disengaging the mechanical locking (43, 44) means and thereafter the overcoming the magnetic securing means (20) to release the closure member (11) relative to the aperture when disengaging the closure member (11) from the aperture defined by the frame (12).
35. A ventilation device for use with a window or door frame, said device comprising a ventilation channel, a ventilation channel closure member disposed inside the ventilation channel, said ventilation channel closure member being pivotally suspended from said ventilation channel for pivotal movement about a pivot axis between a closed position and an open position, said pivot axis being disposed substantially transverse to the direction of the air flow in said ventilation channel, said ventilation channel closure member comprises at least one axially extending elongated wing with an arc shaped face, and the radius of said arc being substantially equal to the distance between said arc shaped face and said pivot axis.
36. A ventilation channel according to claim 35, further comprising another axially extending elongated wing with an arc shaped face disposed substantially diametrically opposite to the other axially extending elongated wing.
37. A ventilation device according to claim 35, wherein said wing or wings obstruct said ventilation channel when the ventilation channel closure member is in its closed position and wherein said wing or wings does substantially not obstruct said ventilation channel when said ventilation channel closure member is in its open position.
38. A ventilation device according to claim 35, wherein two walls of the ventilation channel that are disposed substantially parallel to said pivot axis are provided with an elongated axially disposed recess for at least partially receiving said wing.
39. A ventilation device according to claim 35, wherein two walls of the ventilation channel that are disposed substantially parallel to said pivot axis are provided with an axially disposed gasket for creating an at least partially sealing contact with the arc shaped face of said wing.
40. A ventilation device according to claim 39, wherein said ventilation channel closure member comprises two wings and each of said ventilation channel walls is provided with an axial gasket for sealing abutment with the arc shaped surface of one of said two wings and with an axial gasket for sealing abutment with the arc shaped surface of the other of said two wings.
41. A ventilation device according to claim 35, further comprising means for moving the ventilation channel closure member between said closed position and said open position.