Reverse cleaning regeneration type exhaust emission control devi

Details Reverse cleaning regeneration type exhaust emission control devi Reverse cleaning regeneration type exhaust emission control devi

1997-06-25

1999-08-03

Argenbright, Tony M.

Power plants

Internal combustion engine with treatment or handling of...

Methods

55302, 55DIG30, 60311, F01N 302

Patent

active

059309946

ABSTRACT:
A reverse cleaning regeneration type exhaust emission control device includes two exhaust emission routes communicated with an inlet port of an exhaust emission path. The device includes first path A having a filter A1, a valve A2 and a nozzle A3 and a second path B having a filter B1, a valve B2 and a nozzle B3, and a third path C arranged at an upstream side of the filters A1 and B1 separately from the exhaust emission path extending from the inlet port of the exhaust emission and having a filter C1, a valve C2 and a nozzle C3. The reverse cleanings of the filters A1 and B1 are alternately carried out during the working of the device.

REFERENCES:
patent: 4373330 (1983-02-01), Stark
patent: 5085049 (1992-02-01), Rim et al.
patent: 5566545 (1996-10-01), Hijikata et al.
patent: 5701735 (1997-12-01), Kawaguchi
Tanabe, Hideaki et al. "Development and Study on Disel Particulate Trap System." Journal of the M.E.S.J., vol. 27, No. 6, pp. 446-452, Jun. 27, 1992.

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