V-type engine
AssigneeHonda Giken Kogyo Kabushiki Kaisha
InventorsHayato Matsuda, Hideo Shigedomi
Life of this patent
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Abstract
In a V-type engine including first and second pistons connected to a common crank pin of a crankshaft through first and second connecting rods, a large end of each of the connecting rods is formed so that its lower surface assumes a substantially horizontal attitude at a most-lowered position of the crank pin. This ensures that even if the construction is such that the large ends of the conducting rods do not contact with a defined amount of oil stored in lower portion of a crankcase in the V-type engine, the lower portion of the crankcase can be formed at a small depth, thereby lowering the entire height of the V-type engine.
Claims5
A V-type engine comprising a first bank and a second bank which are disposed in a V-shape on opposite sides of a vertical line passing through a center of a crankshaft carried in a crankshaft, said banks being formed continuously with said crankshaft, and a first piston and a second piston which are fitted in cylinder blocks of said first and second banks, respectively and which are connected to a common crank pin of said crankshaft through first and second connecting rods, respectively, wherein
- large ends of said connecting rods, which are connected to said crank pin, are formed so that lower faces of said large ends assume a substantially horizontal attitude as viewed from a crankshaft end at a most-lowered position of said crank pin, and a defined amount of oil is stored in a lower portion of said crankcase, so that the oil does not contact with said ends of said connecting rods.
Dependencies are inferred from the claim text.