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公开(公告)号:US5676107A
公开(公告)日:1997-10-14
申请号:US423947
申请日:1995-04-19
IPC分类号: F02P19/00 , F02B1/04 , F02B3/06 , F02B23/00 , F02B23/02 , F02B23/06 , F02B31/00 , F02B31/02 , F02F1/24 , F02F1/42
CPC分类号: F02F1/4228 , F02B31/00 , F02F1/242 , F02F1/4214 , F02B1/04 , F02B2031/006 , F02B2275/10 , F02B2275/14 , F02B3/06 , F02F2001/247 , Y02T10/123 , Y02T10/146
摘要: A direct injection diesel engine includes a cylinder head which is formed, for each cylinder, with a plurality of intake ports. At least one of the intake ports has an approximately straight throat extending tangentially to the cylinder and opening into a combustion chamber at upper reaches of swirling. Another of the intake ports has a throat opening into the combustion chamber at lower reaches of swirling. A glow plug extends downward from one side of the cylinder head, at which the intake ports open, toward a location between the other intake port. An exhaust port extends from another side of the cylinder head and opens into the combustion chamber.
摘要翻译: 直喷式柴油发动机包括:气缸盖,其对于每个气缸形成有多个进气口。 至少一个进气口具有与气缸相切延伸的大致直的喉部,并且在上游旋转时开启到燃烧室。 另一个进气口具有在下游回旋处进入燃烧室的喉部。 电热塞从进气口打开的气缸盖的一侧朝向另一个进气口之间的位置向下延伸。 排气口从气缸盖的另一侧延伸并通向燃烧室。
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公开(公告)号:US5603299A
公开(公告)日:1997-02-18
申请号:US489507
申请日:1995-06-12
CPC分类号: F02B31/00 , F02B2031/006 , F02B2275/48 , Y02T10/125 , Y02T10/146
摘要: An intake port of an engine cylinder is directed so as to introduce intake air flow into a combustion chamber in a desired direction. The intake port has a throat portion, extending upstream from a valve port and configured so as to meet the valve port at a given angle, and a transitional throat portion with a small radius of curvature between the throat portion and the valve port.
摘要翻译: 发动机气缸的进气口被引导以将进气流沿所需方向引入燃烧室。 进气口具有喉部,其从阀口的上游延伸并且被构造为以给定角度与阀口相接;以及在喉部和阀口之间具有小曲率半径的过渡喉部。
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