System and method for cleaning a diesel particulate filter...

Details System and method for cleaning a diesel particulate filter... System and method for cleaning a diesel particulate filter...

2007-07-17

2010-11-23

Kornakov, Michael (Department: 1714)

Gas separation

With nonliquid cleaning means for separating media

Sonic type

C055S300000, C055S523000, C055SDIG030, C134S001000, C134S184000

Reexamination Certificate

active

07837750

ABSTRACT:
A method for cleaning a diesel particulate filter includes a step of coupling an acoustic generator directly to the diesel particulate filter via a support fixture. Ash deposited within the diesel particulate filter is dislodged with acoustic energy deposited by the acoustic generator. The ash may fall clear of the diesel particulate filter under the action of gravity and/or via pressurized air flow.

REFERENCES:
patent: 5062965 (1991-11-01), Bernou et al.
patent: 5900043 (1999-05-01), Grandjean et al.
patent: 6290778 (2001-09-01), Zugibe
patent: 6964694 (2005-11-01), Rauchfuss et al.
patent: 2005/0011357 (2005-01-01), Crawley
patent: 2007/0137150 (2007-06-01), Goddard
patent: 2008/0155969 (2008-07-01), DaCosta et al.
Pending publication of U.S. Appl. No. 11/319,025; filed Dec. 27, 2005; Sellers et al.; System And Method For Cleaning A Diesel Particulate Filter Using Acoustic Waves.

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