F - Mech Eng,Light,Heat,Weapons – 02 – F
Patent
F - Mech Eng,Light,Heat,Weapons
02
F
123/252
F02F 1/42 (2006.01) F02B 75/22 (2006.01) F02B 77/02 (2006.01) F02F 1/10 (2006.01) F02F 7/00 (2006.01) F02B 75/18 (2006.01)
Patent
CA 1085693
LOW WEIGHT RECIPROCATING ENGINE ABSTRACT OF THE DISCLOSURE An internal combustion V-8 engine is disclosed having an aluminum semi-permanent mold head cast by a low- pressure die-cast process and an iron block cast by the evaporative casting method. The block and head have con- trolled thickness walls throughout to optimally lower the metal/working volume ratio of the engine. The block employs barrel cylinder walls cast integrally and unsupported except at the barrel ends and at a siamese connection between adjacent barrels; the barrels are maintained under a predetermined level of compression to eliminate fatigue failure and suppress sound. The block is sand cast and the head is totally formed with a three piece die and one sand core cluster, except for one passage which is drilled sub sequent to casting. The engine is reduced in weight by at least 20% over conventional comparable engines; torque and horsepower is improved even though the cooling system capacity has been reduced to less than half that of a conventional cooling system.
290607
Ford Motor Company Of Canada Limited
Sim & Mcburney
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