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1. 发明授权

EP3006710B1 CYLINDER HEAD COOLING APPARATUS OF ENGINE 有权
公开(公告)号：EP3006710B1
公开(公告)日：2018-06-13
申请号：EP15183568.3
申请日：2015-09-02
申请人： Kubota Corporation
发明人： NAGAI, Kentaro , KUWASAKI, Hiroshi , NAKANO, Tadashi , HAMASAKI, Takahito , TANAKA, Yoshinori , MORI, Masaya
IPC分类号： F02F1/40
CPC分类号： F01P3/02 , F01P11/04 , F01P2003/021 , F01P2003/024 , F02F1/14 , F02F1/40 , F02F1/4285 , F02M35/10091 , F02M35/104
摘要： There is provided a cylinder head cooling apparatus of an engine capable of enhancing cooling efficiency around an auxiliary combustion chamber wall. The cylinder head cooling apparatus of an engine including a cylinder head 1 having therein an intake port 2, an exhaust port 3, an auxiliary combustion chamber 4, and a cooling water jacket 5, in which an intake port wall 2a, an exhaust port wall 3a, and an auxiliary combustion chamber wall 4a are placed in the cooling water jacket 5, the cooling water jacket 5 includes a cooling water inlet 5a and a cooling water outlet 5b, engine cooling water 6 flowed from the cooling water inlet 5a into the cooling water jacket 5 flows out from the cooling water outlet 5b through the cooling water jacket 5, wherein a cooling water guide wall 7 is provided upstream of the auxiliary combustion chamber wall 4a in a cooling water passing path of the cooling water jacket 5, and the upstream cooling water guide wall 7 is formed into a shape whose width gradually widens toward a downstream side.

2. 发明公开

EP3006710A1 CYLINDER HEAD COOLING APPARATUS OF ENGINE 有权
标题翻译： ZYLINDERKOPFKÜHLUNGSVORRICHTUNGEINES MOTORS
公开(公告)号：EP3006710A1
公开(公告)日：2016-04-13
申请号：EP15183568.3
申请日：2015-09-02
申请人： Kubota Corporation
发明人： NAGAI, Kentaro , KUWASAKI, Hiroshi , NAKANO, Tadashi , HAMASAKI, Takahito , TANAKA, Yoshinori , MORI, Masaya
IPC分类号： F02F1/40
CPC分类号： F01P3/02 , F01P11/04 , F01P2003/021 , F01P2003/024 , F02F1/14 , F02F1/40 , F02F1/4285 , F02M35/10091 , F02M35/104
摘要： There is provided a cylinder head cooling apparatus of an engine capable of enhancing cooling efficiency around an auxiliary combustion chamber wall. The cylinder head cooling apparatus of an engine including a cylinder head 1 having therein an intake port 2, an exhaust port 3, an auxiliary combustion chamber 4, and a cooling water jacket 5, in which an intake port wall 2a, an exhaust port wall 3a, and an auxiliary combustion chamber wall 4a are placed in the cooling water jacket 5, the cooling water jacket 5 includes a cooling water inlet 5a and a cooling water outlet 5b, engine cooling water 6 flowed from the cooling water inlet 5a into the cooling water jacket 5 flows out from the cooling water outlet 5b through the cooling water jacket 5, wherein a cooling water guide wall 7 is provided upstream of the auxiliary combustion chamber wall 4a in a cooling water passing path of the cooling water jacket 5, and the upstream cooling water guide wall 7 is formed into a shape whose width gradually widens toward a downstream side.
摘要翻译：提供了能够提高辅助燃烧室壁周围的冷却效率的发动机的气缸盖冷却装置。发动机的气缸盖冷却装置，其具有气缸盖1，气缸盖1具有进气口2，排气口3，辅助燃烧室4和冷却水套5，其中进气口壁2a，排气口壁如图3a所示，辅助燃烧室壁4a放置在冷却水套5中，冷却水套5包括冷却水入口5a和冷却水出口5b，从冷却水入口5a流入冷却水入口5a的发动机冷却水6 水套5通过冷却水套5从冷却水出口5b流出，其中在冷却水套5的冷却水通过路径中的辅助燃烧室壁4a的上游设置有冷却水引导壁7，上游冷却导水壁7形成为宽度朝向下游侧逐渐变宽的形状。

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