Mixture delivery device

Details Mixture delivery device Mixture delivery device

1998-08-21

2000-04-18

Denion, Thomas

Power plants

Internal combustion engine with treatment or handling of...

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

60286, 60301, 60295, 2395533, 422182, F01N 310

Patent

active

060500883

ABSTRACT:
With known mixture delivery devices for introducing a reducing agent into an exhaust system of an internal combustion engine, a urea/water solution, with pressurized gas added, is introduced into an angled region of the exhaust system, upstream of a catalytic converter in order to produce the reduction of nitrogen oxides in the exhaust of the engine. With the new mixture delivery device, an annular spray body is incorporated into the exhaust system, which device has a continuous distributor conduit as well as spray conduits by way of which the mixture, which is supplied by a mixture conveying line and is comprised of pressurized gas and urea/water solution, is delivered to the exhaust flow upstream of the catalytic converter. The mixture delivery device is particularly suited for delivering a urea/water solution upstream of the catalytic converter in the exhaust system of a mixture-compressing, self-igniting internal combustion engine.

REFERENCES:
patent: 5209062 (1993-05-01), Vollenweider
patent: 5522218 (1996-06-01), Lane et al.
patent: 5605042 (1997-02-01), Stutzenberger
patent: 5606856 (1997-03-01), Linder et al.
patent: 5628186 (1997-05-01), Schmelz

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