Air control valve for exhaust gas purifying apparatus

Details Air control valve for exhaust gas purifying apparatus Air control valve for exhaust gas purifying apparatus

1975-05-12

1977-03-01

Favors, Edward G.

Combustion

Timer, programmer, retarder or condition responsive control

By condition of burner feed or feed means

23277C, 137100, 431 12, F23H 102

Patent

active

040099865

ABSTRACT:
In an exhaust gas purifying apparatus which includes a reactor in the exhaust line of an internal combustion engine there is provided a heater burner to which there is delivered an air-fuel mixture and which heats the reactor for rapidly bringing it to operating temperatures when the engine is started. In the air conduit through which combustion air for the air-fuel mixture is delivered to the burner there is provided a valve controlled in such a manner that the flow rate of combustion air remains constant and is thus independent of the said counterpressure at the heating burner and the output delivery of the air pump driving the combustion air.

REFERENCES:
patent: 2394297 (1946-02-01), Fayles
patent: 2395384 (1946-02-01), Strang
patent: 3209811 (1965-10-01), Strahg
patent: 3827849 (1974-08-01), Nelson

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