A filter cleaning system for cleaning a filter element is provided. The filter cleaning system includes a set of pulse nozzles and a compressed air supply, which rotate together during a cleaning cycle to release pulse blasts at predetermined time intervals to clean the filter element.
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1. A filter cleaning system for cleaning a tubular filter element defining a central cavity and a central axis, comprising: a compressed air supply;at least one pulse nozzle operatively attached to the compressed air supply and configured to direct the compressed air;a filter element mounting struct
1. A filter cleaning system for cleaning a tubular filter element defining a central cavity and a central axis, comprising: a compressed air supply;at least one pulse nozzle operatively attached to the compressed air supply and configured to direct the compressed air;a filter element mounting structure, the at least one pulse nozzle being positioned relative to the filter element mounting structure such that an outlet of the at least one pulse nozzle is radially offset from the central axis when a tubular filter element is mounted to the filter element mounting structure; andwherein when the tubular filter element is mounted to the filter element mounting structure, the at least one pulse nozzle is arranged in a first semicircle of a cross-section of the tubular filter element, and a target cleaning area of the tubular filter element is in a second, opposite, semicircle of the cross-section of the tubular filter element. 2. The filter cleaning system of claim 1, wherein the at least one pulse nozzle includes a first pulse nozzle and a second pulse nozzle axially offset from one another along an axis that is parallel to the central axis when a filter element is mounted to the filter element mounting structure, wherein the first pulse nozzle is arranged on one side of the compressed air supply, and the second pulse nozzle is arranged on the opposite side of the compressed air supply. 3. The filter cleaning system of claim 2, wherein the first pulse nozzle and the second pulse nozzle are arranged on an axis; wherein the vertical axis extends perpendicularly relative to a horizontal center plane of the compressed air supply. 4. The filter cleaning system of claim 1, wherein the at least one pulse nozzle releases a pulse blast toward a target area of the tubular filter element at predetermined time interval during the cleaning cycle. 5. The filter cleaning system of claim 1, further comprising: a rotating plate assembly;wherein the compressed air supply and the at least one pulse nozzles are mounted to the rotating plate assembly; andwherein the rotating plate assembly rotates during a cleaning cycle. 6. The filter cleaning system of claim 5, wherein the at least one pulse nozzle releases a pulse blast toward a target area of the tubular filter element at predetermined time interval during the cleaning cycle. 7. The filter cleaning system of claim 5, further comprising a drive mechanism, the drive mechanism rotating the rotating plate assembly at a constant rotating speed; and wherein the compressed air supply includes a compressed air manifold and a solenoid pulse valve. 8. The filter cleaning system of claim 5, wherein the compressed air supply and the at least one pulse nozzle rotate together on the rotating plate assembly during the cleaning cycle. 9. The filter cleaning system of claim 5, wherein the at least one pulse nozzle releases multiple pulses of pressurized air during the cleaning cycle, wherein the multiple pulses cover substantially all inner surface. 10. The filter cleaning system of claim 5, further including a control system including a cleaning cycle logic, wherein the control system controls the rotating plate assembly and the compressed air supply during the cleaning cycle according to the cleaning cycle logic; wherein the cleaning cycle logic include a rotational speed of the rotating plate assembly, a cleaning cycle duration, a number of pulses per cleaning logic, and a time interval between pulses. 11. The filter cleaning system of claim 10, wherein the rotational speed is between 1-3 RPM; the cleaning cycle duration is between 10 to 120 seconds; the number of pulses per cleaning logic is between 2 to 20; and the time interval between pulses is 1 to 20 seconds. 12. The filter cleaning system of claim 10, wherein the cleaning cycle is programmed such that the pulses of a subsequent cleaning cycle cover new target areas than target areas of pulses of a previous cleaning cycle. 13. The filter cleaning system of claim 12, wherein the subsequent cycle is identical to the previous cycle but angularly offset therefrom. 14. A filter cleaning system for cleaning a tubular filter element defining a central cavity and a central axis, comprising: at least one pulse nozzle operatively attached to the compressed air supply and configured to direct the compressed air;a filter element mounting structure, the at least one pulse nozzle being, positioned relative to the filter element mounting structure such that an outlet of the at least one pulse nozzle is radially offset from the central axis when a tubular filter element is mounted to the filter element mounting structure;a rotating plate assembly, the compressed air supply and the at least one pulse nozzles being mounted to the rotating, plate assembly, the rotating plate assembly rotating during a cleaning cycle,a drive mechanism, the drive mechanism rotating the rotating plate assembly at a constant rotating speed; and wherein the compressed air supply includes a compressed air manifold and a solenoid pulse valve; andwherein the rotating plate assembly includes a contact mounting plate assembly providing power to the motor and the solenoid pulse valve; wherein the contact mounting plate assembly includes a contact plate and a base plate, wherein the power transfers between the contact plate and the base plate free of any hard wires. 15. The filter cleaning system of claim 14, wherein the base plate includes at least one brush contact connected to power, and the contact plate includes at least one contact trace ring corresponding to the at least one brush contact, wherein power transfers from the at least one brush contact to the corresponding at least one contact trace ring during rotation of the rotating plate assembly; wherein the motor and the solenoid pulse valve are connected to at least one contact lead on a surface of the contact plate, the at least one contact lead corresponding to the at least one contact trace ring. 16. The filter cleaning system of claim 14, wherein the compressed air supply and the at least one pulse nozzle rotate together on the rotating plate assembly during the cleaning cycle. 17. The filter cleaning system of claim 14, wherein the at least one pulse nozzle releases multiple pulses of pressurized air during the cleaning cycle, wherein the multiple pulses cover substantially all inner surface of the tubular filter element. 18. The filter cleaning system of claim 14, wherein the rotating plate assembly includes a turntable and a turntable support; the turntable support including a plurality of bearings, wherein the turntable support supports the turntable around an outer perimeter of the turntable; wherein the turntable rotates against the turntable support on the plurality of bearings. 19. The filter cleaning system of claim 14, further including a control system including a cleaning cycle logic, wherein the control system controls the rotating plate assembly and the compressed air supply during the cleaning cycle according to the cleaning cycle logic; wherein the cleaning cycle logic include a rotational speed of the rotating plate assembly, a cleaning cycle duration, a number of pulses per cleaning logic, and a time interval between pulses. 20. The filter cleaning system of claim 19, wherein the rotational speed is between 1-3 RPM; the cleaning cycle duration is between 10 to 120 seconds; the number of pulses per cleaning logic is between 2 to 20; and the time interval between pulses is 1 to 20 seconds. 21. The filter cleaning system of claim 19, wherein the cleaning cycle is programmed such that the pulses of a subsequent cleaning cycle cover new target areas than target areas of pulses of a previous cleaning cycle. 22. The filter cleaning system of claim 21, wherein the subsequent cycle is identical to the previous cycle but angularly offset therefrom. 23. A method of cleaning a tubular filter element having a central axis with a filter cleaning system, comprising steps of: mounting a tubular filter element to a filter cleaning system, the filter cleaning system comprising: a compressed air supply;at least one pulse nozzle operatively attached to the compressed air supply and configured to direct the compressed air;a filter element mounting structure, the at least one pulse nozzle being positioned relative to the filter element mounting structure such that an outlet of the at least one pulse nozzle is radially offset from the central axis when the tubular filter element is mounted to the filter element mounting structure; andthe tubular filter element is mounted to the filter element mounting structure with the at least one pulse nozzle arranged in a first semicircle of a cross-section of the tubular filter element, and a target cleaning area of the tubular filter element is in a second, opposite, semicircle of the cross-section of the tubular filter element; andreleasing at least one pulse of pressurized air from the at least one pulse nozzle during the cleaning cycle at controlled locations. 24. The method of cleaning a filter of claim 23, further including arranging the at least one pulse nozzle from a distance away from a target area of the tubular filter element; wherein the distance is sufficient for the pulse of pressurized air released from the at least one pulse nozzle to cover an entire length of the tubular filter element. 25. The method of cleaning filter of claim 23, further including setting a cleaning cycle, said setting includes setting a cleaning cycle duration; setting a number of pulses to be released during the cleaning cycle; setting a time interval between the pulses. 26. The method of cleaning filter of claim 25, wherein the cleaning cycle duration is set between 20 seconds and 60 seconds; the number of pulses is set between 2 and 10; the time interval is set between 2 seconds and 30 seconds. 27. The method of cleaning filter of claim 23, wherein setting a cleaning cycle includes setting the cleaning cycle to clean substantially all areas of the tubular filter element surrounding the filter cleaning system during one cleaning cycle. 28. The method of cleaning filter of claim 23, wherein setting a cleaning cycle includes setting the cleaning cycle such that a subsequent cleaning cycle targets different areas of the tubular filter element than the areas cleaned during the cleaning cycle. 29. The method of cleaning filter of claim 28, wherein setting a cleaning cycle includes setting the cleaning cycle such that a rotating plate assembly rotates less than 360° during a first cleaning cycle, wherein a second cleaning cycle releases at least one pulse off set from the at least one pulse released during the first cleaning cycle. 30. A method of cleaning a tubular filter element with a filter cleaning system positioned within a central cavity of the tubular filter element, comprising the steps of: rotating the filter cleaning system about a central axis of the tubular filter element, the filter cleaning system comprising: a compressed air supply;at least one pulse nozzle operatively attached to the compressed air supply and configured to direct the compressed air;a filter element mounting structure the at least one pulse nozzle being positioned relative to the filter element mounting structure such that an outlet of the at least one pulse nozzle is radially offset from the central axis when the tubular filter element is mounted to the filter element mounting structure; andthe tubular filter element being mounted to the filter element mounting structure with the at least one pulse nozzle arranged in a first semicircle of a cross-section of the tubular filter element, and a target cleaning area of the tubular filter element is in a second, opposite, semicircle of the cross-section of the tubular filter element; releasing a plurality of pulses of pressurized air from the filter cleaning system in an organized sequence of a first cleaning cycle; andwherein the pulses of pressurized air travel more than the radial distance from the cleaning system to the inner surface of the tubular filter element, such that the pulses are released from the cleaning system from a first semicircle of the cross-section of the tubular filter element and the pulses contact the tubular filter element in a second, opposite, semicircle of the cross-section of the tubular filter element. 31. The method of claim 30, wherein the organized sequence has the plurality of pulses arranged at constant intervals. 32. The method of claim 31, wherein the constant intervals are time defined. 33. The method of claim 31, wherein the constant intervals are distance travel defined. 34. The method of claim 30, further comprising a second cleaning cycle being substantially identical to the first cleaning cycle except a plurality of pulses of the second cleaning cycle are angularly offset from the plurality of pulses of the first cleaning cycle. 35. The method of claim 34, wherein the cleaning system rotates more than 360 degrees during the first cleaning cycle, such that the second cleaning cycle starts at a different angular position relative to the tubular filter element than the first cleaning cycle. 36. The method of claim 34, wherein the first and second cleaning cycles start at a same angular position but the second cleaning cycle has a period of delay during as the cleaning system is rotating prior to initiating the step of releasing the plurality of pulses for the second cleaning cycle. 37. The method of claim 30, wherein the cleaning system rotates less than 360 degrees during the first cleaning cycle. 38. The method of claim 30, wherein the cleaning system rotates more than 360 degrees during the first cleaning cycle. 39. The method of claim 30, wherein consecutive pulses in a given cleaning cycle partially overlap.
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이 특허에 인용된 특허 (37)
Tokar Joseph C. (Apple Valley MN) Janezich Frank A. (Richfield MN), Air cleaner with replaceable filter element.
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