INTERNAL COMBUSTION ENGINE
First Claim
1. An internal combustion engine having a plurality of banks each having a cylinder provided to said banks, comprising:
- an intake valve provided between said cylinder and an intake manifold;
a camshaft opening and closing said intake valve by means of mechanical power of said internal combustion engine; and
a changing unit changing, according to an operating state of said internal combustion engine, a phase angle of said camshaft, said phase angle corresponding to a closing timing of said intake valve,said banks differing from each other in most retarded phase angle changed by said changing unit, andwhen said internal combustion engine is started, an in-cylinder pressure of a first bank of said plurality of banks that is determined based on a phase angle of said first bank is different from an in-cylinder pressure of a second bank different from said first bank that is determined based on a phase angle of said second bank.
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Accused Products
Abstract
An internal combustion engine having a plurality of banks; each having a cylinder provided to said banks comprising: an intake valve provided between said cylinder and an intake manifold a camshaft opening and closing said intake valve by means of mechanical power of said internal combustion engine; and a changing unit changing, according to an operating state of said internal combustion engine a phase angle of said camshaft said phase angle corresponding to a closing timing of said intake valve said banks differing from each other in most retarded phase angle changed by said changing unit.
33 Citations
18 Claims
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1. An internal combustion engine having a plurality of banks each having a cylinder provided to said banks, comprising:
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an intake valve provided between said cylinder and an intake manifold; a camshaft opening and closing said intake valve by means of mechanical power of said internal combustion engine; and a changing unit changing, according to an operating state of said internal combustion engine, a phase angle of said camshaft, said phase angle corresponding to a closing timing of said intake valve, said banks differing from each other in most retarded phase angle changed by said changing unit, and when said internal combustion engine is started, an in-cylinder pressure of a first bank of said plurality of banks that is determined based on a phase angle of said first bank is different from an in-cylinder pressure of a second bank different from said first bank that is determined based on a phase angle of said second bank. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. An internal combustion engine having a plurality of banks each having a cylinder provided to said banks, comprising:
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an intake valve provided between said cylinder and an intake manifold; a camshaft opening and closing said intake valve by means of mechanical power of said internal combustion engine; and changing means for changing, according to an operating state of said internal combustion engine, a phase angle of said camshaft, said phase angle corresponding to a closing timing of said intake valve, said banks differing from each other in most retarded phase angle changed by said changing means, and when said internal combustion engine is started, an in-cylinder pressure of a first bank of said plurality of banks that is determined based on a phase angle of said first bank is different from an in-cylinder pressure of a second bank different from said first bank that is determined based on a phase angle of said second bank. - View Dependent Claims (11, 12, 13, 14, 15, 16, 17, 18)
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Specification