Internal combustion engine disposition

Details Internal combustion engine disposition Internal combustion engine disposition

1975-01-15

1976-10-05

Myhre, Charles J.

Internal-combustion engines

Cooling

Air-cooled

123 4131, 123 4152, 123 4182R, 123195C, 123195R, F02F 130

Patent

active

039838528

ABSTRACT:
Internal combustion engine structure comprising a one-piece cylinder-block and crankcase casting with integral cylinder-head, of light alloy, and incorporating valve guides, induction ports, exhaust ports, spark plug wells, cooling-water chambers open at the upper portion of the casting around the valve seatings and closed by a cover, said cooling-water chambers extending axially around the cylinders and outside the areas corresponding to the induction and exhaust ports and also to the spark-plug wells, said casting further comprising in said areas around said cylinders a wall portion provided with cooling fins, whereby the casting can be obtained directly from a light alloy in a chill-mould, notably according to the known high-pressure casting process.

REFERENCES:
patent: 1044065 (1912-11-01), Luce
patent: 2070588 (1937-02-01), Geisse
patent: 2184820 (1939-12-01), Tucker
patent: 2362622 (1944-11-01), Fischer
patent: 2584289 (1952-02-01), Rabe
patent: 3166053 (1965-01-01), Fischer
patent: 3181515 (1965-05-01), Zurich
patent: 3650250 (1972-03-01), Lohr
patent: 3782344 (1974-01-01), Schmuck
patent: 3841278 (1974-10-01), Frehe

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