Internal-combustion engines – Precombustion and main combustion chambers in series – Two-cycle
Patent
1996-04-05
1998-08-18
Wolfe, Willis R.
Internal-combustion engines
Precombustion and main combustion chambers in series
Two-cycle
123275, F02B 1916
Patent
active
057945845
ABSTRACT:
Disclosed herein is an internal combustion engine comprising a cylinder block, a cylinder, an exhaust port, an inlet port, and a cylinder head fixed to the cylinder block including a recess, a spark plug fixed in the cylinder head along an axis located in a plane bisecting the inlet port and the exhaust port and extending at an acute angle to the cylinder axis, a fuel injector fixed in the cylinder head between the cylinder axis and the inlet side and along an axis located in the bisecting plane and extending in parallel and offset relation to the cylinder axis in the direction from the inlet port to the exhaust port, and a piston moveably axially in the cylinder and comprising an outer surface extending in opposing relation to the cylinder head and including a deflector extending diametrically from and between the cylindrical wall in transverse relation to the plane bisecting the inlet port and the exhaust port and including a centrally located raised crown having therein an axially inwardly extending bowl, an exhaust side wall extending from and between the cylindrical wall and defining an axially inwardly extending exhaust pocket extending between the exhaust side wall and the cylindrical wall, and an inlet side wall extending from and between the cylindrical wall and in spaced relation to the exhaust side wall and defining an axially inwardly extending inlet pocket extending along the inlet side wall and the cylindrical wall.
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Outboard Marine Corporation
Wolfe Willis R.
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