According to an exemplary embodiment of the present disclosure, a method of detecting matter within a filtering device includes measuring a metric indicative of a first quantity of matter within the filtering device and removing a portion of the matter from the filtering device. The method also incl
According to an exemplary embodiment of the present disclosure, a method of detecting matter within a filtering device includes measuring a metric indicative of a first quantity of matter within the filtering device and removing a portion of the matter from the filtering device. The method also includes measuring a metric indicative of a second quantity of matter remaining within the filtering device.
대표청구항▼
What is claimed is: 1. A method of removing particulate matter from diesel particulate filter media, the method comprising: removing the media from an exhaust emissions system of a vehicle; after removing the media from the exhaust emissions system, supporting the media in a substantially vertical
What is claimed is: 1. A method of removing particulate matter from diesel particulate filter media, the method comprising: removing the media from an exhaust emissions system of a vehicle; after removing the media from the exhaust emissions system, supporting the media in a substantially vertical orientation with one of an exhaust inlet side and an exhaust outlet side facing upward, and another of the exhaust inlet side and the exhaust outlet side facing downward; conveying gas to a gas storage tank; monitoring pressure in the tank; controllably releasing a plurality of gas pulses from the tank; supplying the gas pulses to the media through a funnel-like structure oriented on the upward-facing side of the media, the funnel-like structure having a narrow portion through which the gas pulses are delivered from the tank, and a wide portion opposing the upward-facing side of the media; and collecting, in a receptacle flow-connected to the downward-facing side of the media, ash dislodged by the gas pulses. 2. The method of claim 1, further comprising, after removing the media from the exhaust emissions system, heating the media to at least a temperature at which particulate matter in the media combusts, thereby burning at least some of the particulate matter and resulting in generation of a quantity of ash in the media, and thereafter removing at least some of the quantity of ash by said supplying of gas pulses through the funnel-like structure. 3. The method of claim 1, wherein supplying includes delivering the gas pulses to the media in a reverse flow direction, and thereafter delivering the gas pulses to the media in an opposite, normal flow direction. 4. The method of claim 1, further comprising applying a vacuum to evacuate the ash from the media. 5. The method of claim 1, further comprising mounting the media removed from the exhaust emissions system on a support. 6. The method of claim 1, wherein supplying further includes alternately delivering the gas pulses to the media via the exhaust inlet side and via the exhaust outlet side. 7. The method of claim 1, wherein during supplying, the gas pulses are delivered through an orifice that remains stationary with respect to the media. 8. The method of claim 1, wherein supporting the media includes orienting the media with the exhaust outlet side facing upward and the exhaust inlet side facing downward. 9. The method of claim 1, further comprising monitoring pressure of the media as an indicator of a quantity of particulate matter within the media. 10. A method of removing particulate matter from diesel particulate filter media, the method comprising: removing the media from an exhaust emissions system of a vehicle; after removing the media from the exhaust emissions system, heating the media to at least a temperature at which the particulate matter in the media combusts, thereby burning at least some of the particulate matter and resulting in generation of a quantity of ash in the media; supporting the media in a substantially vertical orientation with one of an exhaust inlet side and an exhaust outlet side facing upward, and another of the exhaust inlet side and the exhaust outlet side facing downward; conveying gas to a gas storage tank; monitoring pressure in the tank; controllably releasing a plurality of gas pulses from the tank; supplying the gas pulses to the media via an orifice located above the upward-facing side of the media, the orifice remaining stationary with respect to the media during pulse delivery; and collecting, in a receptacle flow-connected to the downward-facing side of the media, ash dislodged by the gas pulses. 11. The method of claim 10, wherein supplying includes delivering the gas pulses to the media in a reverse flow direction, and thereafter delivering the gas pulses to the media in an opposite, normal flow direction. 12. The method of claim 10, further comprising applying a vacuum to evacuate the ash from the media. 13. The method of claim 10, further comprising mounting the media removed from the exhaust emissions system on a support. 14. The method of claim 10, wherein supplying further includes alternately delivering the gas pulses to the media via the exhaust inlet side and via the exhaust outlet side. 15. The method of claim 10, wherein supporting the media includes orienting the media with the exhaust outlet side facing upward and the exhaust inlet side facing downward. 16. The method of claim 10, further comprising monitoring pressure of the media to reflect a quantity of particulate matter within the media. 17. The method of claim 10, wherein the step of supplying the gas pulses includes delivering the gas pulses to the media through a funnel-like structure having a narrow portion through which the gas pulses are delivered from the tank, and a wide portion opposing the upward-facing side of the media. 18. A system for removing particulate matter from diesel particulate filter media, the system comprising: a housing adapted to support the media in a substantially vertical orientation with one of an exhaust inlet side and an exhaust outlet side facing upward, and another of the exhaust inlet side and the exhaust outlet side facing downward; a storage tank adapted for containing gas; a sensor for monitoring pressure in the tank; a controller for releasing gas from the tank as a plurality of gas pulses, the controller being associated with the sensor; at least one conduit flow connected to the tank; a funnel-like structure having a narrow portion through which gas from the conduit is adapted to pass, and a wide portion for orientation opposite the upward-facing side of the media; and a receptacle flow-connected downstream of the downward-facing side of the media, the receptacle being adapted to collect ash dislodged by the gas pulses. 19. The system of claim 18, further comprising a heater adapted to heat the media to at least a temperature at which the particulate material in the media combusts, to thereby turn the particulate material to ash. 20. The system of claim 18, further comprising a mount for supporting the housing. 21. The system of claim 18, further comprising a vacuum source adapted to evacuate the ash from the media. 22. The system of claim 18, further including an orifice, associated with the funnel-like structure, through which the gas pulses are delivered, wherein the orifice is configured to remain stationary with respect to the media while the gas pulses are being delivered. 23. The system of claim 18, wherein the housing is configured to support the media with the exhaust outlet side facing upward and the exhaust inlet side facing downward. 24. The system of claim 18, further comprising a diagnostic sensor for detecting pressure in the media, the diagnostic sensor being configured to assist in determining whether further cleaning of the filter is required. 25. The system of claim 18, further comprising a gas source for supplying compressed air to the storage tank at approximately 70 to 100 psi. 26. The system of claim 18, wherein the controller for releasing the gas from the tank is a solenoid control for rapidly releasing one or more pulses of gas pulses. 27. An off-vehicle system for removing particulate matter from diesel particulate filter media, the system comprising: a heater adapted to heat the media after the media is removed from a motor vehicle, the heater configured to raise a temperature in the media to at least to a temperature at which the particulate material in the media combusts, to thereby turn the particulate material to ash; a housing adapted to support the media after the media is removed from the motor vehicle, the housing being adapted to support the media in a substantially vertical orientation with one of an exhaust inlet side and an exhaust outlet side facing upward, and another of the exhaust inlet side and the exhaust outlet side facing downward; a gas storage tank adapted for connection to a gas supply; a sensor for monitoring pressure in the tank; a valve associated with the tank for releasing one or more gas pulses from the tank; a high speed controller associated with the sensor and the valve for rapidly opening the valve; at least one conduit flow connected to the tank; a funnel-like structure having a narrow portion through which the gas from the conduit is adapted to pass, and a wide portion for orientation opposite the upward-facing side of the media, the funnel-like structure being configured to maintain, in a position stationary with respect to the media, an orifice through which the gas pulses are delivered to the media, and being adapted to direct the gas pulses toward the upward-facing side of the media to dislodge ash generated by the heater; a receptacle flow-connected downstream of the downward-facing side of the media, the receptacle being adapted to collect ash dislodged by the gas pulses; and a diagnostic sensor for detecting pressure in the media, the diagnostic sensor being configured to assist in determining whether further cleaning of the filter is required.
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