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    • 1. 发明申请
    • CYLINDER HEAD OF MULTI-CYLINDER ENGINE
    • 多缸发动机气缸盖
    • WO2016075521A1
    • 2016-05-19
    • PCT/IB2015/002085
    • 2015-11-10
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • TOFUKUJI, SatokoKUMAGAI, AtsunoriKAWAMOTO, Nobuki
    • F01P3/02F02F1/40
    • F01P3/02F01P3/14F01P7/026F01P11/04F01P2003/024F01P2050/22F02F1/40
    • A first coolant flow passage (31, 32) is provided to extend in a longitudinal direction of a cylinder head (101). In at least one of cross sections perpendicular to the longitudinal direction, the first coolant flow passage (31, 32) is located between a flat plane (S1) including central axes of a plurality of combustion chambers (4) and parallel to the longitudinal direction and a central line plane (S2) including central lines of a plurality of intake ports (2). In at least one of cross sections perpendicular to the longitudinal direction, at least a portion (20c) of a second coolant flow passage is located between a cylinder block mating surface (la) of the cylinder head (101) and the intake port central line plane (S2). A coolant at a temperature lower than that of a coolant flowing in the second coolant flow passage (20c) flows in the first coolant flow passage (31, 32).
    • 第一冷却剂流动通道(31,32)设置成在气缸盖(101)的纵向方向上延伸。 在垂直于纵向方向的至少一个横截面中,第一冷却剂流动通道(31,32)位于包括多个燃烧室(4)的中心轴线并平行于纵向方向的平面(S1)之间 和包括多个进气口(2)的中心线的中心线平面(S2)。 在垂直于纵向方向的至少一个横截面中,第二冷却剂流动通道的至少一部分(20c)位于气缸盖(101)的气缸体配合表面(1a)和进气口中心线 平面(S2)。 在比第二冷却剂流路(20c)流动的冷却剂低的温度下的冷却剂在第一冷却剂流路(31,32)中流动。
    • 2. 发明申请
    • CYLINDER HEAD OF MULTI-CYLINDER ENGINE
    • 多缸发动机气缸盖
    • WO2016075522A1
    • 2016-05-19
    • PCT/IB2015/002092
    • 2015-11-10
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • TOFUKUJI, Satoko
    • F01P3/02F02F1/40
    • F01P3/02F01P2003/024F02F1/242F02F1/40F02F1/4235F02F1/4264
    • A first coolant flow passage (34) is provided to extend in a longitudinal direction of a cylinder head (101). In at least one of cross sections perpendicular to the longitudinal direction, the first coolant flow passage (34) is located between a flat plane (SI) including central axes of a plurality of combustion chambers (4) and parallel to the longitudinal direction and a central line plane (S2) including central lines of a plurality of intake ports (2). In at least one of cross sections perpendicular to the longitudinal direction, at least a portion (20g) of a second coolant flow passage is located between the combustion chamber (4) and the first coolant flow passage (34). A coolant at a temperature lower than that of a coolant flowing in the second coolant flow passage (20g) flows in the first coolant flow passage (34).
    • 第一冷却剂流动通道(34)设置成在气缸盖(101)的纵向方向上延伸。 在垂直于纵向方向的至少一个横截面中,第一冷却剂流动通道(34)位于包括多个燃烧室(4)的中心轴线并平行于纵向方向的平面(SI)之间, 中心线平面(S2)包括多个进气口(2)的中心线。 在垂直于纵向方向的至少一个横截面中,第二冷却剂流动通道的至少一部分(20g)位于燃烧室(4)和第一冷却剂流动通道(34)之间。 在比第二冷却剂流路(20g)中流动的冷却剂低的冷却剂在第一冷却剂流路(34)中流动。
    • 5. 发明公开
    • CYLINDER HEAD OF MULTI-CYLINDER ENGINE
    • 多缸发动机气缸盖
    • EP3218584A1
    • 2017-09-20
    • EP15801927.3
    • 2015-11-10
    • TOYOTA JIDOSHA KABUSHIKI KAISHA
    • TOFUKUJI, Satoko
    • F01P3/02F02F1/40
    • F01P3/02F01P2003/024F02F1/242F02F1/40F02F1/4235F02F1/4264
    • A first coolant flow passage (34) is provided to extend in a longitudinal direction of a cylinder head (101). In at least one of cross sections perpendicular to the longitudinal direction, the first coolant flow passage (34) is located between a flat plane (SI) including central axes of a plurality of combustion chambers (4) and parallel to the longitudinal direction and a central line plane (S2) including central lines of a plurality of intake ports (2). In at least one of cross sections perpendicular to the longitudinal direction, at least a portion (20g) of a second coolant flow passage is located between the combustion chamber (4) and the first coolant flow passage (34). A coolant at a temperature lower than that of a coolant flowing in the second coolant flow passage (20g) flows in the first coolant flow passage (34).
    • 第一冷却剂流动通道(34)设置成在气缸盖(101)的纵向方向上延伸。 第一冷却剂流动通道(34)在垂直于纵向方向的至少一个横截面中位于包括多个燃烧室(4)的中心轴线且平行于纵向方向的平坦平面(SI)和 中心线平面(S2)包括多个进气口(2)的中心线。 在垂直于纵向的至少一个横截面中,第二冷却剂流动通道的至少一部分(20g)位于燃烧室(4)和第一冷却剂流动通道(34)之间。 温度低于在第二冷却剂流动通道(20g)中流动的冷却剂的温度的冷却剂在第一冷却剂流动通道(34)中流动。
    • 10. 发明公开
    • INTERNAL COMBUSTION ENGINE
    • 内燃机
    • EP2495412A1
    • 2012-09-05
    • EP09850821.1
    • 2009-10-27
    • Toyota Jidosha Kabushiki Kaisha
    • TOFUKUJI, SatokoKUMAGAI, Atsunori
    • F01P3/02F02F1/10
    • F02F1/14F01P3/02F01P2003/021F02F2001/104F05C2251/046
    • A ringed coolant water passage 16 formed to surround a plurality of cylinders #1-#4 is provided. Two partitioning members having a larger thermal expansion coefficient as compared to that of a cylinder block 10, and separating the ringed coolant water passage 16 into first passage 22 and second passage 24 is provided. The first passage 22 exists mainly at one side of a longitudinal bore center plane which extends along the longitudinal direction of the cylinder block 10 while the second passage 24 exists mainly at the other side. An inlet which communicates with the first passage and an outlet which communicates with the second passage are provided. A cylinder head including a coolant water passage which opens to both of the first passage 22 and the second passage 24 is attached to the cylinder block 10. The cylinder block 10 and the partitioning members 12, 14 are formed so that stress acting between both of them in a condition where the internal combustion engine is warmed up does not reach to a breaking stress of the partitioning members 12, 14.
    • 提供了环绕多个气缸#1-#4形成的环状冷却水通道16。 提供两个分隔构件,其具有与气缸体10相比较大的热膨胀系数,并且将环状冷却水通道16分成第一通道22和第二通道24。 第一通道22主要存在于沿缸体10的纵向方向延伸的纵向缸膛中心平面的一侧,而第二通道24主要存在于另一侧。 提供了与第一通道连通的入口和与第二通道连通的出口。 包括向第一通道22和第二通道24两者打开的冷却剂水通道的气缸盖安装到气缸体10.气缸体10和分隔构件12,14形成为使得作用在两者之间的应力 它们在内燃机被加热的状态下不会达到分隔构件12,14的断裂应力。