Internal-combustion engines – Combustion chamber means combined with air-fuel mixture... – Air or combustible mixture entering the combustion chamber...
Patent
1980-06-05
1982-01-26
Burns, Wendell E.
Internal-combustion engines
Combustion chamber means combined with air-fuel mixture...
Air or combustible mixture entering the combustion chamber...
123315, 123308, 123568, 60304, F02B 1500, F02B 7502, F02M 2506
Patent
active
043123139
ABSTRACT:
The invention relates to exhaust and induction manifolds used in internal combustion engines and in particular to those types of engines employing cylinder ventillating facilities at each end of the piston stroke. The upper-stroke process flows, comprising the initial induction and final exhaust pumping events, are controlled in the conventional manner using poppet valves located within the cylinder clearance volume while the lower piston stoke process flows, which define the engine bottom-cycle pumping events, are controlled by bidirectional flow ejector design at side-ports positioned along the slidable working surface of the engine cylinder. The integrated flow pattern between the upper-stroke and lower-stroke process controls overlap at certain portions of the engine operation providing vertical ventillation of the engine cylinder at each bottom-stroke piston position for each discrete engine process.
REFERENCES:
patent: 4098237 (1978-07-01), Suquet
patent: 4108119 (1978-08-01), McWhorter
patent: 4248119 (1981-02-01), McWhorter
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