An improved airflow delivery system (1) comprising an air moving element (3) configured to move air in a flow path, a chamber (19) in the flow path configured to receive product (9), an air transfer chamber (11) comprising an inlet (10) of a selected area for receiving air in the flow path in a firs
An improved airflow delivery system (1) comprising an air moving element (3) configured to move air in a flow path, a chamber (19) in the flow path configured to receive product (9), an air transfer chamber (11) comprising an inlet (10) of a selected area for receiving air in the flow path in a first direction (x-x) and an outlet (14) of a selected area greater than the area of the inlet for discharging air in the flow path in a second direction (y-y) different from the first direction, an airflow divider (33) extending across the air transfer outlet and configured to divide airflow in the flow path, an airflow directional (15) extending across the flow path downstream of the airflow divider and upstream of the chamber, the airflow directional having an upstream inlet face (28a) and a downstream outlet face (29c) and configured to receive airflow at the inlet face and split the airflow into multiple separated sub-paths (27) within the flow path and to discharge the airflow from the downstream outlet face substantially parallel to the flow path and without substantial reduction in static pressure.
대표청구항▼
1. An airflow delivery system comprising: an air moving element configured to move air in a flow path;a chamber in said flow path configured to receive product;an air transfer chamber comprising an inlet of a selected area for receiving air in said flow path in a first direction and an outlet of a s
1. An airflow delivery system comprising: an air moving element configured to move air in a flow path;a chamber in said flow path configured to receive product;an air transfer chamber comprising an inlet of a selected area for receiving air in said flow path in a first direction and an outlet of a selected area greater than said area of said inlet for discharging air in said flow path in a second direction different from said first direction;an airflow divider extending across said air transfer outlet and configured to divide airflow in said flow path;an airflow directional extending across said flow path downstream of said airflow divider and upstream of said chamber;said airflow directional having an upstream inlet face and a downstream outlet face and configured to receive airflow at said inlet face and split said airflow into multiple separated sub-paths within said flow path and to discharge said airflow from said downstream outlet face substantially parallel to said flow path and without substantial reduction in static pressure;said airflow directional comprising a first layer having an upstream inlet face and a downstream outlet face and multiple separated sub-paths within said flow path between said inlet face and said outlet face;said first layer configured to receive airflow at said inlet face of said first layer and split said airflow into said multiple separated sub-paths within said flow path and to discharge said airflow from said downstream outlet face of said first layer;said airflow directional comprising a second layer downstream from said first layer and having an upstream inlet face, a downstream outlet face and multiple separated sub-paths within said flow path between said inlet face and said outlet face;said second layer configured to receive airflow at said inlet face of said second layer from said outlet face of said first layer and to discharge said airflow from said downstream outlet face of said second layer; andwherein said multiple separated sub-paths of said second layer are configured relative to said multiple separated sub-paths of said first layer to split said airflow discharged from said multiple separated sub-paths of said first layer into said multiple separated sub-paths of said second layer and to discharge said airflow from said downstream outlet face of said second layer. 2. The airflow delivery system set forth in claim 1, wherein said air moving element comprises an eductor, blower or a fan. 3. The airflow delivery system set forth in claim 1, wherein said chamber is a heating, cooling, curing, or drying chamber. 4. The airflow delivery system set forth in claim 1, wherein said air transfer chamber comprises multiple turning vanes in said flow path and said second flow path direction is perpendicular to said first flow path direction. 5. The airflow delivery system set forth in claim 1, wherein said airflow divider comprises a perforated plate, wire mesh or a wire screen. 6. The airflow delivery system set forth in claim 1, wherein at least a portion of said airflow discharged from at least two separated sub-paths of said first layer are mixed together in at least one of said separated sub-paths of said second layer. 7. The airflow delivery system set forth in claim 1, and further comprising a second airflow divider extending across said flow path downstream of said airflow directional and upstream of said chamber and configured to divide airflow in said flow path. 8. The airflow delivery system set forth in claim 7, wherein said second airflow divider comprises a perforated plate, wire mesh or a wire screen. 9. The airflow delivery system set forth in claim 1, wherein said area of said outlet of said air transfer chamber is at least about four times greater than said area of said inlet of said air transfer chamber. 10. The airflow delivery system set forth in claim 1, wherein said airflow divider comprises multiple airflow openings having an aggregate area between about 5% and about 35% of said area of said outlet of said air transfer chamber. 11. The airflow delivery system set forth in claim 1, wherein said airflow divider comprises multiple airflow openings each having a longest dimension perpendicular to the flow path of between about 0.1 and about 0.75 inches. 12. The airflow delivery system set forth in claim 1, wherein said sub-paths have an average depth and are defined at said inlet face by a pattern of repeated airflow openings, each of said openings having an area perpendicular to said flow path and characterized by a longest dimension perpendicular to said flow path of between about 0.15 and about 0.75 inches. 13. The airflow delivery system set forth in claim 1, wherein said sub-paths are defined at said inlet face by a pattern of repeated airflow openings, each of said openings having an area perpendicular to said flow path. 14. The airflow delivery system set forth in claim 13, wherein said pattern of repeated sub-paths is a polygonal cellular pattern. 15. The airflow delivery system set forth in claim 1, wherein said sub-paths are formed from multiple off-set thin-walled hexagonal honeycomb layers. 16. The airflow delivery system set forth in claim 1, wherein said sub-paths have an average depth and are defined at said inlet face by a pattern of repeated airflow openings, each of said openings having an area perpendicular to said flow path, and wherein said sub-paths having an average depth of between about 0.25 and about 3 inches, and said sub-path openings have an area of between about 0.06 and about 1.5 square inches. 17. An airflow delivery system comprising: an air moving element configured to move air in a flow path;a chamber in said flow path configured to receive product;an air transfer chamber comprising an inlet of a selected area for receiving air in said flow path in a first direction and an outlet of a selected area greater than said area of said inlet for discharging air in said flow path in a second direction different from said first direction;an airflow divider extending across said air transfer outlet and having multiple airflow openings;said airflow openings of said airflow divider having an average depth and an aggregate area perpendicular to said flow path;an airflow directional extending across said flow path downstream of said airflow divider and upstream of said chamber;said airflow directional having an upstream inlet face, a downstream outlet face, and multiple different sub-paths between said inlet face and said outlet face;said sub-paths having an average depth and defined at said inlet face by a pattern of repeated airflow openings, each of said openings having an area perpendicular to said flow path and characterized by a longest dimension perpendicular to said flow path;said average depth of said sub-paths being greater than said average depth of said openings in said air flow divider;said aggregate area of said airflow openings in said inlet face of said airflow directional being substantially greater than said aggregate area of said airflow openings in said airflow divider; andsaid average depth of said sub-paths being greater than said longest dimension of said openings perpendicular to said flow path of said sub-pathssaid airflow directional comprising a first layer having an upstream inlet face and a downstream outlet face and multiple separated sub-paths within said flow path between said inlet face and said outlet face;said first layer configured to receive airflow at said inlet face of said first layer and split said airflow into said multiple separated sub-paths within said flow path and to discharge said airflow from said downstream outlet face of said first layer;said airflow directional comprising a second layer downstream from said first layer and having an upstream inlet face, a downstream outlet face and multiple separated sub-paths within said flow path between said inlet face and said outlet face;said second layer configured to receive airflow at said inlet face of said second layer from said outlet face of said first layer and to discharge said airflow from said downstream outlet face of said second layer; andwherein said multiple separated sub-paths of said second layer are configured relative to said multiple separated sub-paths of said first layer to split said airflow discharged from said multiple separated sub-paths of said first layer into said multiple separated sub-paths of said second layer and to discharge said airflow from said downstream outlet face of said second layer. 18. The airflow delivery system set forth in claim 17, wherein said air moving element comprises an eductor, blower or a fan. 19. The airflow delivery system set forth in claim 17, wherein said chamber is a heating, cooling, curing or drying chamber. 20. The airflow delivery system set forth in claim 17, wherein said air transfer chamber comprises multiple turning vanes in said flow path and said second flow path direction is perpendicular to said first flow path direction. 21. The airflow delivery system set forth in claim 17, wherein said air divider comprises a perforated plate, wire mesh or a wire screen. 22. The airflow delivery system set forth in claim 17, wherein at least a portion of said airflow discharged from at least two separated sub-paths of said first layer are mixed together in at least one of said separated sub-paths of said second layer. 23. The airflow delivery system set forth in claim 17, wherein: said sub-paths of said first layer having an average depth and are defined at said inlet face by a pattern of repeated airflow openings, said openings having an aggregate area perpendicular to said flow path and characterized by a longest dimension perpendicular to said flow path;said average depth of said sub-paths of said first layer being greater than said average depth of said openings in said air flow divider;said aggregate area of said airflow openings in said inlet face of said first layer being substantially greater than said aggregate area of said airflow openings in said airflow divider; andsaid average depth of said sub-paths of said first layer being greater than said longest dimension of said openings perpendicular to said flow path of said sub-paths. 24. The airflow delivery system set forth in claim 23, wherein: said sub-paths of said second layer having an average depth and are defined at said inlet face by a pattern of repeated airflow openings, said openings having an aggregate area perpendicular to said flow path and characterized by a longest dimension perpendicular to said flow path;said average depth of said sub-paths of said second layer being greater than said average depth of said openings in said air flow divider;said aggregate area of said airflow openings in said inlet face of said second layer being substantially greater than said aggregate area of said airflow openings in said airflow divider; andsaid average depth of said sub-paths of said second layer being greater than said longest dimension of said openings perpendicular to said flow path of said sub-paths. 25. The airflow delivery system set forth in claim 24, wherein said pattern of repeated airflow openings of said sub-paths of said first layer is substantially different from said pattern of repeated airflow openings of said sub-paths of said second layer. 26. The airflow delivery system set forth in claim 24, wherein said average depth of said sub-paths of said first layer is substantially different than said average depth of said sub-paths of said second layer. 27. The airflow delivery system set forth in claim 24, wherein said aggregate area of said airflow openings in said inlet face of said first layer is substantially different than said aggregate area of said airflow openings in said inlet face of said second layer. 28. The airflow delivery system set forth in claim 24, wherein said longest dimension of said openings of said sub-paths of said first layer is substantially different than said longest dimension of said openings of said sub-paths of said second layer. 29. The airflow delivery system set forth in claim 17, wherein said area of said outlet of said air transfer chamber is at least about four times greater than said area of said inlet of said air transfer chamber. 30. The airflow delivery system set forth in claim 17, wherein said airflow openings of said airflow divider having an aggregate area between about 5% and about 35% of said area of said outlet of said air transfer chamber. 31. The airflow delivery system set forth in claim 17, wherein said airflow openings of said airflow divider each have a diameter and said diameter is between about 0.1 and about 0.75 inches. 32. The airflow delivery system set forth in claim 17, wherein said longest dimension of each of said sub-paths is between about 0.15 and about 0.75 inches. 33. The airflow delivery system set forth in claim 17, wherein said pattern of repeated sub-paths is a hexagonal cellular pattern. 34. The airflow delivery system set forth in claim 17, wherein said pattern of repeated sub-paths is a polygonal cellular pattern. 35. The airflow delivery system set forth in claim 17, wherein said sub-paths are formed from multiple off-set thin-walled hexagonal honeycomb layers. 36. The airflow delivery system set forth in claim 17, wherein said sub-paths having an average depth of between about 0.25 and about 3 inches. 37. The airflow delivery system set forth in claim 17, wherein said sub-path openings each have an area of between about 0.06 and about 1.5 square inches and have an aggregate area of at least about 80% of said area of said outlet of said air transfer chamber. 38. The airflow delivery system set forth in claim 17, wherein said average depth of said openings in said air flow divider is from about 0.03 to about 0.12 inches. 39. The airflow delivery system set forth in claim 17, and further comprising a second airflow divider extending across said flow path downstream of said airflow directional and upstream of said chamber and configured to divide airflow in said flow path. 40. The airflow delivery system set forth in claim 39, wherein said second airflow divider comprises a perforated plate, wire mesh or a wire screen. 41. The airflow delivery system set forth in claim 17, wherein said air transfer chamber is a rectangular chamber.
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Schjerven, Sr., William S.; Sieron, Mark A.; Bruno, Tony; Gray, Bruce; Schneeweiss, Gerald J., Conveyor oven with modulated gas flow.
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