Exhaust gas purifying system having a diaphragm type control val

Details Exhaust gas purifying system having a diaphragm type control val Exhaust gas purifying system having a diaphragm type control val

1976-04-28

1978-08-08

Hart, Douglas

Power plants

Internal combustion engine with treatment or handling of...

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

236101C, F01N 310, F02B 7510

Patent

active

041048806

ABSTRACT:
In a system comprising a diaphragm type control valve with a diaphragm and a pair of chambers divided by the diaphragm, a plurality of orifices connecting the chambers and a thermo sensitive valve, the valve opening or closing period of the diaphragm type control valve is changed longer or shorter by opening and closing a bypass passage around one of the orifices by the thermo sensitive valve in response to temperature relative to the engine operating condition, whereby exhaust gas purification is attained with complete prevention of afterburn.

REFERENCES:
patent: 3919843 (1975-11-01), Arnaud
patent: 3960124 (1976-06-01), Payne
patent: 4014169 (1977-03-01), Umino

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