公开(公告)号：US5394845A

公开(公告)日：1995-03-07

申请号：US961295

申请日：1992-10-15

申请人： Yoshihisa Noh ,  Yoshihiko Imamura ,  Fumihiko Saito ,  Kazuhiko Hashimoto ,  Masanori Misumi

发明人： Yoshihisa Noh ,  Yoshihiko Imamura ,  Fumihiko Saito ,  Kazuhiko Hashimoto ,  Masanori Misumi

IPC分类号： F02B1/04 ,  F02B31/00 ,  F02B31/08 ,  F02F1/24 ,  F02F1/42

CPC分类号： F02F1/4214 ,  F02B31/00 ,  F02B31/085 ,  F02B1/04 ,  F02B2031/006 ,  F02B2275/40 ,  F02B2275/48 ,  F02F2001/104 ,  F02F2001/245 ,  Y02T10/125 ,  Y02T10/146

摘要： An engine intake system includes a primary port for introducing intake gas throughout an entire engine operating condition. A secondary port is provided with a gate valve which is opened in a high engine load condition for introducing the intake gas. A ratio of a tumble flow to a swirl flow is gradually increased as the gate valve is operated from an entirely closed condition to a fully open condition. According to this invention, ignition and combustion characteristics can be improved.

摘要翻译： 发动机进气系统包括用于在整个发动机运行状态下引入进气的主端口。 辅助端口设置有闸阀，该闸阀在用于引入进气的高发动机负载状态下打开。 当闸阀从完全关闭状态操作到完全打开状态时，滚筒流与涡流的比例逐渐增加。 根据本发明，可以提高点火和燃烧特性。

公开(公告)号：US5335634A

公开(公告)日：1994-08-09

申请号：US883335

申请日：1992-05-14

申请人： Kazuhiko Hashimoto ,  Yoshihiko Imamura ,  Toshihide Yamamoto ,  Yoshihisa Noh

发明人： Kazuhiko Hashimoto ,  Yoshihiko Imamura ,  Toshihide Yamamoto ,  Yoshihisa Noh

IPC分类号： F02B1/04 ,  F02B23/08 ,  F02B31/00 ,  F02B31/08

CPC分类号： F02B31/085 ,  F02B23/08 ,  F02B1/04 ,  F02B2031/006 ,  Y02T10/125 ,  Y02T10/146

摘要： A combustion chamber for an engine is provided between a cylinder bore formed in a cylinder block, a generally conically-shaped wall formed in an under wall of a cylinder head, and a piston in the cylinder bore. The combustion chamber has a structure into which an intake port opens so as to introduce an intake air flow closer to a marginal portion than a central portion of the combustion chamber, thereby generating a swirl flow of intake air in the combustion chamber. The combustion chamber also includes a curved air flow guide wall formed in the generally conically-shaped wall which extends from near the intake port so as to approach the cylinder bore surface gradually, thereby generating what is termed a squish flow of intake air.

摘要翻译： 用于发动机的燃烧室设置在形成在气缸体中的气缸孔，形成在气缸盖的下壁中的大致锥形的壁和气缸孔中的活塞之间。 燃烧室具有进气口打开的结构，以便引入比燃烧室的中心部分更靠近边缘部分的进气流，从而在燃烧室中产生进气的旋流。 燃烧室还包括形成在大致圆锥形壁上的弯曲气流引导壁，其从进气口附近延伸，以便逐渐接近缸孔表面，从而产生所谓的挤压的进气流。