Internal-combustion engines – Combustion chamber means having fuel injection only – Combustible mixture stratification means
Patent
1980-05-07
1982-12-07
Feinberg, Craig R.
Internal-combustion engines
Combustion chamber means having fuel injection only
Combustible mixture stratification means
123541, 123 3, 123DIG12, 123557, 239 13, 2391321, 239133, F02B 4308, F02M 3120, F02M 3102
Patent
active
043621376
ABSTRACT:
An ultralean fuel mixture ignition and induction system is disclosed in which very lean fuel-air mixtures are used in internal combustion engines by means of a novel method and apparatus which greatly increases the burning rate of extremely lean mixtures to thereby prevent afterfire and backfire which would otherwise result from these lean mixtures when used in an engine, this same improvement in burning rate being able to provide improved fuel economy in that less fuel is required per combustion event and it is also able to provide better control over exhaust emission products in that combustion is cooler and more complete. The increased burning rate producing these effects is achieved when fuel that is being directly injected by conventional methods is routed through a pyrolysis cell and a cooler on its way to the combustion chamber, the fuel being thereby stripped of some of its hydrogen and being thereby impelled along with the hydrogen into the cylinder during the compression cycle.
REFERENCES:
patent: 2448950 (1948-09-01), Barber et al.
patent: 2886014 (1959-05-01), Konrad et al.
patent: 3868939 (1975-04-01), Friese et al.
patent: 3892211 (1975-07-01), Oyama
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