Internal-combustion engines – Cooling – With jacketed head and/or cylinder
Patent
1980-01-03
1981-09-29
Argenbright, Tony M.
Internal-combustion engines
Cooling
With jacketed head and/or cylinder
123 4186, 123 9027, 123193H, F01P 302, F02F 126
Patent
active
042916500
ABSTRACT:
A cylinder head for a compression-ignition internal combustion engine comprises a lower part of cast iron, an intermediate part of aluminium, and a cap element, also of aluminium. Defined within the cast-iron lower part are precombustion chambers for the engine cylinders, induction and discharge ducts and a cooling chamber. The regions of the head subjected to the highest temperatures during running of the engine are thus formed in the cast-iron part which minimizes difficulties caused by thermal stresses. A breather cavity is defined between the cast-iron lower part and the aluminium intermediate part. The upper surface of the intermediate part is shaped to form an oil bath and is arranged to rotatably support the engine camshaft in this bath. Apertures through the intermediate part serve both to regulate the oil level in the bath and to provide access to fixing bolts securing the lower part of the head to the engine cylinder block.
REFERENCES:
patent: 2182990 (1939-12-01), Kishline
patent: 2739579 (1956-03-01), Ware et al.
patent: 3022775 (1962-02-01), Bouvy
patent: 4018195 (1977-04-01), Bandrowski, Jr.
Filtri Giorgio
Formia Antonio
Argenbright Tony M.
Fiat Veicoli Industriali S.p.A.
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