Diesel particulate filter in-chassis cleaning method and...

Details Diesel particulate filter in-chassis cleaning method and... Diesel particulate filter in-chassis cleaning method and...

F - Mech Eng,Light,Heat,Weapons

01

N

F01N 3/023 (2006.01) B01D 46/04 (2006.01)

Patent

CA 2607047

A diesel particulate filter of a motor vehicle is cleaned of ash, typically using equipment already available in a service shop. The method of the invention cleans ash particles from the diesel particulate filter by generating a pressure wave and transmitting the pressure wave into a housing containing the diesel particulate filter. The pressure wave dislodges ash particulates from the filter, which can then be removed from the filter using an ash collecting apparatus, such as a shop vacuum. The method also uses an inflatable bladder in the filter apparatus to close access between the housing and the engine or outside environment.

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