Monolith diesel exhaust filter with self-regeneration

Details Monolith diesel exhaust filter with self-regeneration Monolith diesel exhaust filter with self-regeneration

1980-02-25

1981-06-30

Lacey, David L.

Gas separation

With nonliquid cleaning means for separating media

With sequential cleaning of plural units

55288, 55466, 55523, 55DIG30, 60311, 422178, B01D 3920, F01N 302

Patent

active

042760666

ABSTRACT:
A self-regenerating diesel engine exhaust particulate filter comprising, in a preferred embodiment, porous ceramic walls defining filter surfaces between adjacent inlet and outlet passages and having electric heating wires in the inlet passages to periodically initiate incineration of collected particulates therein. A movable shield is preferably provided to restrict gas flow through the various passages during their respective periods of incineration so as to provide periodic regeneration with a minimum expenditure of external energy.

REFERENCES:
patent: 3661529 (1972-05-01), Karolidis
patent: 3758778 (1974-01-01), Burstein et al.
patent: 3768982 (1973-10-01), Kitzner et al.
patent: 4040253 (1977-08-01), Dhugues et al.
patent: 4041591 (1977-08-01), Noll et al.
patent: 4041592 (1977-08-01), Kelm
patent: 4054417 (1977-10-01), Rosebrock

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