Device for generating a mixture of reducing agent and air

Details Device for generating a mixture of reducing agent and air Device for generating a mixture of reducing agent and air

2007-05-22

2007-05-22

Hepperle, Stephen M. (Department: 3753)

Fluid handling

Systems

Multiple inlet with single outlet

C137S605000, C251S129160

Reexamination Certificate

active

10362012

ABSTRACT:
A device used in an exhaust gas posttreatment system of an internal combustion engine has a mixing chamber into which reducing agent controlled by a metering valve, and air under pressure, can be introduced. The mixing chamber is embodied in a mixing chamber body, with which a valve body of the metering valve is connected. The mixing chamber discharges into a connection stub, and the metering valve has a valve member, which to control the reducing-agent/air mixture supply means into the mixing chamber cooperates with the face end of the connection stub as a valve seat. The valve body is screwed into a bore of the mixing chamber body.

REFERENCES:
patent: 1334355 (1920-03-01), Doland
patent: 1829102 (1931-10-01), McKee
patent: 2458508 (1949-01-01), Goetz
patent: 3416567 (1968-12-01), Tauberman et al.
patent: 3625402 (1971-12-01), Kulis

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