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US 10,221,727 B1Granted
Engine
AssigneeIndian Motorcycle International, LLC
InventorsC. Scott Walter, Cal W. Johnson, John S. Lengyel, Patrick R. Rohlman
Life of this patent
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Abstract
An engine is disclosed of the V-configuration having an integrated engine and transmission. The engine has an engine ventilation system communicating between the crankcase and an upper end of the valve cover, whereby blow-by gases can be returned to the air intake system to recycle the unspent fuel. The engine also includes an easily accessible/removable cam, such that the camshaft may be removed without removing the rocker arms. The engine also includes a lubrication system for lubricating components of the engine and transmission.
Claims10
An engine, comprising:
- a crankcase;
- a crankshaft journaled in the crankcase;
- a piston coupled to the crankshaft;
- a cylinder in which the piston reciprocates,
- a head positioned over the piston and cylinder;
- at least one camshaft positioned in the head, the at least one camshaft having first and second journals and at least one cam positioned between the first and second journals, the first journal being larger than the second journal, and larger than the at least one cam;
- the head including first and second journal openings profiled to receive the first and second journals;
- and
- a retainer to maintain an axial position of the at least one camshaft relative to the first and second journal openings;
- wherein the at least one camshaft is removable from the head by moving the second journal and the at least one cam through the first journal opening.
7 more elements
Dependencies are inferred from the claim text.