Diesel particulate filter service method

Details Diesel particulate filter service method Diesel particulate filter service method

2007-11-20

2007-11-20

Tran, Binh Q. (Department: 3748)

Power plants

Internal combustion engine with treatment or handling of...

By means producing a chemical reaction of a component of the...

C060S274000, C060S296000, C060S297000, C060S307000, C060S311000, C095S277000, C095S278000, C095S279000, C055S283000, C055S287000, C055S302000, C096S229000, C096S241000

Reexamination Certificate

active

11382103

ABSTRACT:
A diesel particulate filter of a motor vehicle is cleaned of ash, typically using equipment already available in a service shop. The filter apparatus is disconnected from the exhaust system of a motor vehicle. The filter apparatus is reversed and reconnected to the motor vehicle's exhaust system in a configuration opposite to which the filter apparatus was originally connected. The engine is started and allowed to run at a high idle and no load engine speed to blow ash from the diesel particulate filter into the exit tubing. The ash is then collected in an ash collector.

REFERENCES:
patent: 5725618 (1998-03-01), Shimoda et al.
patent: 5853438 (1998-12-01), Igarashi
patent: 5956946 (1999-09-01), Yamada
patent: 6240725 (2001-06-01), Scappatura
patent: 6989045 (2006-01-01), Bailey et al.
patent: 7025811 (2006-04-01), Streichsbier et al.

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