Device for removing particulates in exhaust gas

Details Device for removing particulates in exhaust gas Device for removing particulates in exhaust gas

1985-12-20

1986-11-18

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

55283, 55466, 55DIG30, 60303, 60311, F01N 302

Patent

active

046228101

ABSTRACT:
A particulate removing device comprises a regenerating burner connected via an interrupting valve to a mixer subsequently connected to a particulate filter. The interrupting valve may be disposed in a housing for the burner on that end portion connected to the mixer through an exit to open and close the exit. When the burner generates a combustion gas, the valve opens the exit to permit the combustion gas to enter the mixer where it is mixed with an exhaust gas from a Diesel engine. The mixed gas heats and regenerates the particulate filter. When the burner is not used, the valve closes the exit to prevent the exhaust gas from the mixer from partly entering the burners housing. Alternatively, the interrupting valve may be disposed in a housing for the mixer on that end portion connected to the burner's housing through an exit to open and close the inlet.

REFERENCES:
patent: 4281512 (1981-08-01), Mills
patent: 4335574 (1982-06-01), Sato
patent: 4345431 (1982-08-01), Suzuki
W. R. Wade et al., "Diesel Particulate Trap Regeneration Techniques", SAE Technical Paper 810118, Int'l Conf., Feb. 1981, Society of Automotive Engineers, Inc., pp. 16-21.
O. A. Ludecke et al., "Diesel Exhaust Particulate Control System Development", SAE Technical Paper 830085, Int'l Conf., Feb. 1983, Society of Automotive Engineers, Inc., pp. 19-21.

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