Internal-combustion engines – Charge forming device – Heating of combustible mixture
Patent
1979-10-09
1981-08-18
Cox, Ronald B.
Internal-combustion engines
Charge forming device
Heating of combustible mixture
123292, 123291, 123294, 123254, F02B 300
Patent
active
042840554
ABSTRACT:
A low compression ratio internal combustion engine including a piston and cylinder arrangement the working volume of which is bounded in part by the piston crown and the cylinder head and in part by inlet valve means whereby an inlet charge can enter the working volume and exhaust valve means whereby products of combustion occuring within the working volume can leave the working volume. A regenerative heat exchanger is located within said working volume, the heat exchanger having a hot face and a cold face between which gases are caused to flow. The inlet charge is caused to flow through the heat exchanger from the cold face to the hot face so as to be heated thereby immediately prior to the combustion stage of the engine operating cycle, the burning and expanding fuel/air mixture are caused to act directly on the piston of the piston and cylinder arrangement without passing through the heat exchanger, and the products of combustion are subsequently caused to flow through the heat exchanger from the hot face to the cold face to heat the heat exchanger before leaving the working volume by way of the exhaust valve means.
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patent: 3677026 (1972-07-01), Granryd
patent: 3677027 (1972-07-01), Granryd
patent: 3809030 (1974-05-01), Moiroux
patent: 3911878 (1975-10-01), Hofbauer
patent: 3929107 (1975-12-01), Renger
patent: 4223645 (1980-09-01), Nohira
Cox Ronald B.
Lucas Industries Limited
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