公开(公告)号：US10690044B2

公开(公告)日：2020-06-23

申请号：US15541888

申请日：2016-01-12

Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.

Inventor： Kazuro Hotta ,  Yuta Furukawa ,  Kazuo Ogura

IPC: F02B37/013 ,  F02B37/007 ,  F02B37/00

Abstract: A engine system is provided with: a plurality of cylinder groups which burn a gas mixture and discharge an exhaust gas; a plurality of high-pressure stage superchargers each having high-pressure stage turbines driven by the exhaust gas from the corresponding cylinder group and high-pressure stage compressors rotated by driving of the high-pressure stage turbines and configured to compress a gas supplied to the corresponding cylinder group; and a plurality of low-pressure stage superchargers having a low-pressure stage turbine driven by an exhaust gas discharged from the high-pressure stage turbine of the high-pressure supercharger which is any one of the plurality of high-pressure stage superchargers, and a low-pressure stage compressor rotated by driving of the low-pressure stage turbine and configured to compress a gas supplied to the high-pressure stage compressor of the high-pressure stage supercharger other than the one high-pressure stage supercharger.

公开(公告)号：US20150354494A1

公开(公告)日：2015-12-10

申请号：US14760987

申请日：2013-02-20

Applicant: MITSUBISHI HEAVY INDUSTRIES, LTD.

Inventor： Yuta Furukawa ,  Kazuo Ogura

IPC: F02F1/42

CPC classification number: F02F1/4285 ,  F01L1/26 ,  F01L3/06 ,  F02F1/42 ,  Y02T10/146

Abstract: A cylinder head includes a cylinder head body provided with intake and exhaust ports opened toward a combustion chamber and capable of being closed by valves, the intake and exhaust ports being separated from each other in a circumferential direction around a cylinder central axis. An opening section of at least one of the intake or exhaust ports facing the combustion chamber is provided with a seat surface centered on a valve axis and a tapered surface is disposed closer to the combustion chamber than the seat surface, the tapered surface gradually increasing in diameter closer to the combustion chamber. A central axis of the tapered surface is disposed eccentrically from the valve axis toward the cylinder central axis.

Abstract translation: 气缸盖包括具有朝向燃烧室敞开并能够被阀关闭的进气和排气口的气缸盖本体，所述进气和排气口在围绕气缸中心轴线的圆周方向上彼此分离。 面向燃烧室的进气排气口和排气口中的至少一个的开口部设置有以阀轴为中心的座表面，并且锥形表面设置为比座面更靠近燃烧室，锥形表面逐渐增加 直径更靠近燃烧室。 锥形表面的中心轴线从阀轴线朝向气缸中心轴偏心设置。