发明名称 |
INTERNAL COMBUSTION ENGINE HAVING COMBUSTION CHAMBER WITH BLENDED HEMISPHERICAL AND PENT-ROOF PORTIONS |
摘要 |
<p>An internal combustion engine is provided including an engine block (2), a cylinder head (12) mounted on the engine block (2) including a combustion face (13) forming a portion of a combustion chamber (3), wherein the combustion face (13) includes a pent-roof portion (14) and a hemispherical shaped portion (16). A first intake valve port formed in the cylinder head (12) includes a first intake valve port opening (29) formed in the pent-roof portion (14) while a second intake valve port formed in the cylinder head (12) includes a second intake valve port opening (32) formed in the pent-roof portion (14). An exhaust valve port formed in the cylinder head (12) includes an exhaust valve port opening (32) formed in the hemispherical shaped portion (16). A transition portion (17) may also be included to blend the combustion face (13) connecting the pent-roof and the hemispherical portions. One or more spark plug bore openings (26,28) are formed and optimally positioned in the combustion face (13).</p> |
申请公布号 |
EP2572087(B1) |
申请公布日期 |
2015.03.04 |
申请号 |
EP20110784319 |
申请日期 |
2011.05.20 |
申请人 |
CUMMINS INTELLECTUAL PROPERTIES, INC. |
发明人 |
PIERZ, PATRICK M.;LAPOINTE, LEON |
分类号 |
F02B23/08;F02F1/24;F02F1/42 |
主分类号 |
F02B23/08 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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