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US 5,836,218 AGranted
Crankshaft for cooling pistons
AssigneeHyundai Motor Company
InventorHyun-Gi Lee
Life of this patent
Estimating the term…
Abstract
A crankshaft for cooling pistons having oil passages which are respectively terminated at three weight balances have a couple of oil holes, so that the oil holes at the weight balances are equipped with oil jets and inject the oil toward each piston of the engine.
Claims6
A crankshaft system comprising:
- a plurality of crank pins connected together by a plurality of balance weights;
- journal means rotatably supporting said crank pins and said balance weights;
- oil passage means for providing passages in said crank pins, said balance weights, and said journal means, whereby each balance weight has at least one oil passage means disposed therein;
- and
- oil hole means being disposed in said balance weights and said crank pins for providing an equal distribution of oil, said oil hole means further comprises oil lets for providing high-velocity streams of oil to further widen said distribution of oil.
2 more elements
Dependencies are inferred from the claim text.