Internal combustion engine
AssigneeSuzuki Motor Corporation
InventorHiroaki INOUE
Life of this patent
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Abstract
There is provided efficient compression auto-ignition combustion over intermediate load range extended towards a low and high load range. An internal combustion engine enables compression auto-ignition combustion by securing a so-called sealed duration created by negative valve overlap. It includes a cylinder head, a cylinder, a piston in the cylinder having a top coupled to the cylinder head, a combustion chamber between an inner surface of a cylinder head and a top of the piston, and intake and exhaust valves. Two intake valves are arranged per each combustion chamber and made to differ in valve lift.
Claims7
An internal combustion engine with a piston reciprocating in a cylinder and a combustion chamber defined between the top of the piston and an inner surface of a cylinder head portion of the cylinder, the internal combustion engine enabling compression auto-ignition combustion over partial area of operating ranges, the internal combustion engine comprising:
- a fuel injector per the combustion chamber;
- at least one exhaust valve per the combustion chamber;
- at least one first intake valve and at least one second intake valve per the combustion chamber;
- and
- a mechanism configured to make adjustment that a valve lift of the first intake valve is greater than a valve lift of the second intake valve.
Dependencies are inferred from the claim text.