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US 9,062,602 B2Granted
Method and means for controlling combustion
AssigneeJbec Pty Limited
InventorAlan Patrick Casey
Life of this patent
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Abstract
A method of charging an internal combustion engine with a fuel air mixture, the engine having opposed pistons with a combustion chamber therebetween, wherein the method includes forcing induction air during a compression stroke between a first and a second cylinder via a contraction and expansion or a venturi disposed between the first and second pistons.
Claims11
An internal combustion engine comprising:
- a first cylinder having a first piston movably positioned therein;
- a second cylinder having a second piston movably positioned therein;
- and
- a venturi joining said first and second pistons such that induction air is forced through said venturi as said first piston and said second piston move toward each other during a compression stroke of the internal combustion engine, said venturi having a minimum cross-section that is oval shaped as viewed in a direction of gas flow between said first and second pistons so as to define a tuning region for intake fluid flow between said second and first pistons.
1 more element
Dependencies are inferred from the claim text.