1. Device (11) for the automatic inserting of printed products or sheets (12) into individual envelopes (13), feeders for feeding individual printed products or sheets (12), a storage container (16) for storing envelopes equipped with at least one gripping element (17, 18, 19), which grips and feeds a single envelope (13) between a first upper conveyor belt (20) and a first lower conveyor belt (21) facing each other to define a feeding group of the envelope (13) towards the inserting of products into envelopes zone, a second upper conveyor belt (15) and a second lower conveyor belt (14) facing each other to advance said printed products or sheets (12) one after the other, a nozzle (22) being associated with said first conveyor belts (20, 21) for opening and flipping back a tab (24) of the individual envelopes (13) taken out from the storage container (16), means for moving the downstream end (37) of said second lower conveyor belt (14) forwards and backwards over said tab and with respect to a sucked conveyor belt (35) aligned downstream of said second lower conveyor belt (14) to define an opening (38) of variable size between said end and said sucked conveyor belt, a gripping element (39) of said tab (24) at said opening at an initial portion of said sucked conveyor belt (35), a further gripping element (40) of a mouth of said envelope (13) locked onto said sucked conveyor belt (35) and mobile introducing elements (45) movable inserted over said tab (24) and inside said mouth of the envelope.
2. Device (11) according to claim 1, characterised in that said end (37) of said second lower conveyor belt (14) that can move backwards and forwards is made through a pair of rollers (25, 26) on which said conveyor belt winds in an S-shape that are arranged at the front of a cursor (27) capable of sliding horizontally below an upper branch of said second conveyor belt (14) that supports and advances both said printed products or sheets (12) and individual envelopes (13), whereas the remaining rollers on which the conveyor belt (14) winds are fixed with respect to the device.
3. Device (11) according to claim 2, characterised in that said cursor (27) is commanded into movement forwards and backwards on a guide (28) through a connecting rod (29) one end of which is hinged (30) to the cursor (27), and the other end is hinged (31) to a rotating disc (32) that is motorised (at 33, 34).
4. Device (11) according to claim 1, characterised in that said introducer elements comprise two 90\xb0 sectors or portions (45), which can be identified in a quarter circumference, arranged at opposite sides and at the end of the mouth itself.
5. Device (11) according to claim 4, characterised in that said two sectors (45) are arranged on supports (47) and oscillate through respective motors (46).
6. Device (11) according to claim 5, characterised in that said supports (47) can in turn move in an essentially vertical plane towards and away from said sucked conveyor belt (35) and towards and away from the mouth of the envelope (13), a motor reducer (48) and a levering (49) placed between it and said supports (47).
7. Device (11) according to claim 1, characterised in that said gripping element of said tab (24) comprises a lower suction cup (39) that is connected to a vacuum source.
8. Device (11) according to claim 1, characterised in that said further gripping element of a mouth of said envelope (13) comprises an upper suction cup (40) that is connected to a vacuum source.
9. Device (11) according to claim 7 or 8, characterised in that said gripping elements (39, 40) are actuated into their movement towards and away from the tab (24) and the mouth of the envelope (13), respectively, through motor reducers (41, 42) and levering transmissions (43, 44).
10. Device (11) according to claim 1, characterised in that said sucked conveyor belt (35) comprises a conveyor belt provided with holes, which in an upper branch thereof slides above suction cases (36) in which the vacuum is created.
11. Device (11) according to claim 1, characterised in that said at least one gripping element that grips each individual envelope (13) from said storage container (16) comprises at least one suction cup (17), connected to a vacuum source, applied to an arm (18) oscillating about a pin (19).
12. Device (11) according to claim 1, characterised in that downstream of the sucked conveyor belt (35) a hatch (50) is arranged to get rid of envelopes (13) with printed products or sheets (12) not completely inserted or inserted in the incorrect amount or else envelopes that have partially broken during the inserting of products into envelopes operation.
13. Device (11) according to claim 1, characterised in that upstream of said second conveyor belts (14, 15) a second hatch (51) is arranged to get rid of printed products or sheets (12) fed in double the amount or of an unsuitable size fed by the feeders or not fully released from such feeders.
14. Device (11) according to claim 1, characterised in that said first upper and lower conveyor belts (20 and 21, respectively) and said second upper and lower conveyor belts (15 and 14, respectively) travel at a constant speed during their operation, able to be adjusted according to the size of the envelope.
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 controller comprising:
a control unit capable of controlling a reductant dosing level introduced to a selective catalytic reduction catalyst wherein said control unit is capable of determining available reductant and a distance to a source of reductant;
wherein said control unit is capable of adjusting said reductant dosing level based upon said available reductant and said distance to a source of reductant;
wherein said controller is capable of implementing a by-pass mode with zero reductant dosing and counting the number of times the controller was previously in said by-pass mode with zero reductant dosing; and
wherein said controller is capable of determining if the number of times the controller was in said by-pass mode has exceeded a previously determined value.
2. The controller of claim 1 wherein said control unit is capable of in-cylinder emission control of one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, boost pressure or combustion temperature.
3. The controller of claim 1 wherein said control unit is capable of estimating reductant consumption and determining whether or not said available reductant is sufficient to maintain said estimated reductant consumption for said distance to said source of reductant.
4. The controller of claim 1 wherein said control unit is capable of estimating reductant consumption and determining that said available reductant is insufficient to maintain said estimated reductant consumption for said distance to said source of reductant and reduces said reductant dosing level.
5. The controller of claim 4 wherein said controller is capable of adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature, wherein said adjusting is based upon said reduced dosing level.
6. The controller of claim 1 wherein said controller is capable of determining if said available reductant is less than a predetermined level and said controller is capable of adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature at zero reductant dosing.
7. (canceled)
8. (canceled)
9. The controller of claim 1 wherein said controller is capable of implementing a timer for a given time period and said controller is capable of further adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature for said time period.
10. The controller of claim 1 wherein said controller is located in a vehicle.
11. A method of controlling reductant dosing level introduced to a selective catalytic reduction device comprising:
determining available reductant;
determining a distance to a source of reductant;
adjusting a reductant dosing level based upon said available reductant and said distance to a source of reductant;
implementing a by-pass mode with zero reductant dosing and counting the number of times the controller was previously in said by-pass mode with zero reductant dosing; and
determining if the number of times previously in said by-pass mode has exceeded a previously determined value.
12. The method of claim 11 further comprising:
adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature.
13. The method of claim 11 further comprising:
estimating a reductant consumption;
determining whether said reductant is sufficient to maintain said reductant consumption for said distance to said source of reductant.
14. The method of claim 11 further comprising:
estimating a reductant consumption;
determining whether said available reductant is sufficient to maintain said estimated reductant consumption for said distance to said source of reductant; and
reducing said reductant dosing level when said available reductant is insufficient to maintain said estimated reductant consumption for said distance to said source of reductant.
15. The method of claim 14 further comprising adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature, based upon said reduced dosing level.
16. The method of claim 11 further comprising:
determining if said available reductant is less than a predetermined level; and
adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature, at zero reductant dosing.
17. (canceled)
18. (canceled)
19. The method of claim 11 further comprising:
initiating a timer for a given time period; and
further adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature, at zero reductant dosing for said period.
20. An article comprising a storage medium having stored thereon instruction that when executed by a machine result in the following operations:
determining available reductant;
determining a distance to a source of reductant;
adjusting a reductant dosing level based upon said available reductant and said distance to said source of reductant;
implementing a by-pass mode with zero reductant dosing and counting the number of times the controller was previously in said by-pass mode with zero reductant dosing; and
determining if the number of times previously in said by-pass mode has exceeded a previously determined value.
21. The article of claim 20, wherein said instructions that when executed by said machine result in the following additional operations:
adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature.
22. The article of claim 20, wherein said instructions that when executed by said machine result in the following additional operations:
estimating a reductant consumption;
determining whether said reductant is sufficient to maintain said reductant consumption for said distance to said source of reductant.
23. The article of claim 20, wherein said instructions that when executed by said machine result in the following additional operations:
estimating a reductant consumption;
determining whether said available reductant is sufficient to maintain said estimated reductant consumption for said distance to said source of reductant; and
reducing said reductant dosing level when said available reductant is insufficient to maintain said estimated reductant consumption for said distance to said source of reductant.
24. The article of claim 23 wherein said instructions that when executed by said machine result in the following additional operations: adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature upon said reduced dosing level.
25. The article of claim 20, wherein said instructions that when executed by said machine result in the following additional operations:
determining if said available reductant is less than a predetermined level; and
adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature, at zero reductant dosing.
26. (canceled)
27. (canceled)
28. The article of claim 20, wherein said instructions that when executed by said machine result in the following additional operations
initiating a timer for a given time period; and
further adjusting one or more of the following: injection timing, amount or temperature of exhaust gas recycling, amount or temperature of air flow, fuel mass, compression ratio, variable valve actuation timing, boost pressure or combustion temperature, at zero reductant dosing for said period.