Engine assembly including combustion chambers with different port arrangements
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United States of America Patent
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Sep 5, 2017
Grant Date -
May 24, 2012
app pub date -
Nov 19, 2010
filing date -
Nov 19, 2010
priority date (Note) -
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Abstract
An engine assembly may include an engine block, a first piston, a second piston, and a cylinder head. The first piston may be located in a first cylinder bore and the second piston may be located in a second cylinder bore. The cylinder head may be coupled to the engine block and cooperate with the first cylinder bore and the first piston to define a first combustion chamber and with the second cylinder bore and the second piston to define a second combustion chamber. The cylinder head may define a first intake and exhaust port arrangement in communication with the first combustion chamber and may define a second intake and exhaust port arrangement in communication with the second combustion chamber. The second intake and exhaust port arrangement may include a greater total number of ports than the first intake and exhaust port arrangement.
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