Engine timing
AssigneeCummins Engine Company, Inc.
InventorRomeo Capodiferro
Life of this patent
Estimating the term…
Abstract
A method is disclosed for positioning the crankshaft of an engine. The method comprises the steps of providing a first hole in the flywheel, providing a hole in a stationary part of the engine to line up accurately with the hole in the flywheel once during each crankshaft revolution, manually cranking the engine until the holes in the flywheel and the engine are aligned, and inserting a pin into the aligned holes to lock the crankshaft in a predetermined angular position.
Claims6
A method of positioning the crankshaft of an engine having a flywheel fitted to the engine crankshaft,
- characterized in that the method comprises the steps of:
- providing a first hole in the flywheel,
- providing a second hole in a stationary part of the engine to line up accurately with the hole in the flywheel once during each crankshaft revolution,
- manually cranking the engine until the holes in the flywheel and the stationary part of the engine are aligned, and
- inserting a locking pin into the aligned holes to lock the crankshaft in a predetermined angular position.
An internal combustion engine having
- a crankshaft,
- a toothed flywheel mounted on the crankshaft,
- a starter motor have a driving cog that meshes with the teeth of the flywheel,
- a housing enclosing the flywheel,
- a first hole formed in the flywheel, and
- a second hole formed in the housing to line up accurately with the hole in the flywheel once during each crankshaft revolution, and
- characterized in that the hole in the housing is covered by the starter motor and is only accessible after removal of the starter motor.
Dependencies are inferred from the claim text.