Internal-combustion engines – Combined devices – Generating plants
Patent
1993-04-16
1994-10-25
Cross, F. Rollins
Internal-combustion engines
Combined devices
Generating plants
1231798, 123576, 123578, F02B 4308
Patent
active
053579089
ABSTRACT:
A method for controlling exhaust gas emissions from an engine (16) includes extracting a light distillate fuel (Fd) from conventional gasoline or other liquid hydrocarbon fuel and supplying the engine with the light distillate fuel during an initial operation period of the engine. This reduces the oxidizable pollutants in the engine exhaust during a cold-start period before a catalytic converter (22) used to abate pollutants in the engine exhaust gases has not yet attained its operating temperature. After the catalytic converter (22) has been sufficiently heated, the fuel supply to the engine (16) is switched to gasoline or other liquid hydrocarbon fuel. Both the distillate fuel (Fd) and the liquid hydrocarbon fuel may be passed through a heated cracking catalyst bed (30) to crack the fuel fed to the engine.
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Griffiths, John--"Ford Puts Out A Cleaner Cat", Financial Times, Nov. 28, 1991.
Burk Patrick L.
Dettling Joseph C.
Steger John J.
Sung Shiang
Cross F. Rollins
Engelhard Corporation
Solis Erick
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