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公开(公告)号：US20110114043A1
公开(公告)日：2011-05-19
申请号：US12940759
申请日：2010-11-05
申请人： Takeru Hamakawa , Shigeo Okui , Naoto Kodama , Atsushi Nakajima
发明人： Takeru Hamakawa , Shigeo Okui , Naoto Kodama , Atsushi Nakajima
IPC分类号： F02B75/18
CPC分类号： F02F1/14 , F01P2003/021
摘要： A height of a spacer which is arranged inside a water jacket formed to surround peripheries of cylinder bores of a cylinder block of an internal combustion engine is made to be lower by a step in an intermediate portion thereof in a cylinder row line direction. Consequently, among end-portion cylinder bores having a lower temperature and being situated at opposite end portions in the cylinder row line direction and intermediate cylinder bores being other than the end-portion cylinder bores and having a higher temperature, a cooling performance of the intermediate cylinder bores is higher than that of the end-portion cylinder bores. Therefore, all the temperatures of the respective cylinder bores can be made uniform. A similar operation effect can be obtained alternatively by making a thickness of the spacer thinner in portions facing the intermediate cylinder bores and thicker in portions facing the end-portion cylinder bores.
摘要翻译： 在气缸排列线方向上的中间部分的台阶上，使位于内套筒的气缸体的缸壁周围的水套内部配置的间隔件的高度较低。 因此，在具有较低温度并且位于气缸排线方向上的相对端部的端部气缸孔和中间气缸孔中，除了端部气缸孔之外并具有较高温度，中间体的冷却性能 气缸孔高于端部缸孔。 因此，能够使各气缸孔的全部温度均匀。 可以通过使间隔物的厚度在面向中间圆筒孔的部分中更薄并且面向端部圆筒孔的部分更厚，可以获得类似的操作效果。
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公开(公告)号：US08539916B2
公开(公告)日：2013-09-24
申请号：US12940759
申请日：2010-11-05
申请人： Takeru Hamakawa , Shigeo Okui , Naoto Kodama , Atsushi Nakajima
发明人： Takeru Hamakawa , Shigeo Okui , Naoto Kodama , Atsushi Nakajima
IPC分类号： F02F1/10
CPC分类号： F02F1/14 , F01P2003/021
摘要： A height of a spacer which is arranged inside a water jacket formed to surround peripheries of cylinder bores of a cylinder block of an internal combustion engine is made to be lower by a step in an intermediate portion thereof in a cylinder row line direction. Consequently, among end-portion cylinder bores having a lower temperature and being situated at opposite end portions in the cylinder row line direction and intermediate cylinder bores being other than the end-portion cylinder bores and having a higher temperature, a cooling performance of the intermediate cylinder bores is higher than that of the end-portion cylinder bores. Therefore, all the temperatures of the respective cylinder bores can be made uniform. A similar operation effect can be obtained alternatively by making a thickness of the spacer thinner in portions facing the intermediate cylinder bores and thicker in portions facing the end-portion cylinder bores.
摘要翻译： 在气缸排列线方向上的中间部分的台阶上，使位于内套筒的气缸体的缸壁周围的水套内部配置的间隔件的高度较低。 因此，在具有较低温度并且位于气缸排线方向上的相对端部的端部气缸孔和中间气缸孔中，除了端部气缸孔之外并具有较高温度，中间体的冷却性能 气缸孔高于端部缸孔。 因此，能够使各气缸孔的全部温度均匀。 可以通过使间隔物的厚度在面向中间圆筒孔的部分中更薄并且面向端部圆筒孔的部分更厚，可以获得类似的操作效果。
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公开(公告)号：US20110114042A1
公开(公告)日：2011-05-19
申请号：US12943766
申请日：2010-11-10
申请人： Takeru Hamakawa , Kenji Sato , Shigeo Okui , Naoto Kodama
发明人： Takeru Hamakawa , Kenji Sato , Shigeo Okui , Naoto Kodama
IPC分类号： F02F1/10
CPC分类号： F02F1/14 , F01P2003/021
摘要： A spacer covers intermediate portions of respective cylinder bores in a depth direction of a water jacket throughout the entire peripheries of the intermediate portions in the peripheral direction. Accordingly, the intermediate portion of each cylinder bore becomes higher in temperature than any other portion, and is thermally expanded. Thereby, the clearance between the cylinder bore and the corresponding piston increases. Thus, the friction decreases to improve fuel efficiency of an internal combustion engine. Furthermore, since the temperature of oil lubricating the intermediate portion of the cylinder bore rises, and the viscosity decreases. Accordingly, the effect of friction reduction is enhanced more. Furthermore, upper and lower portions of the cylinder bores in a cylinder axis direction are sufficiently cooled. Therefore, the cooling performance of a top part and a skirt part of each piston, which tends to become higher in temperature, is secured. Accordingly, overheat can be prevented.
摘要翻译： 间隔件在圆周方向上的中间部分的整个周边处覆盖水套的深度方向上的相应气缸孔的中间部分。 因此，每个气缸孔的中间部分的温度比任何其它部分都变高，并且被热膨胀。 因此，气缸孔与相应活塞之间的间隙增加。 因此，摩擦力降低以提高内燃机的燃料效率。 此外，由于润滑气缸中部的油温上升，粘度降低。 因此，摩擦减少的效果进一步提高。 此外，气缸的缸体轴向的上下部分被充分冷却。 因此，确保了倾向于变得更高温度的每个活塞的顶部和裙部的冷却性能。 因此，可以防止过热。
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公开(公告)号：US08667932B2
公开(公告)日：2014-03-11
申请号：US12943766
申请日：2010-11-10
申请人： Takeru Hamakawa , Kenji Sato , Shigeo Okui , Naoto Kodama
发明人： Takeru Hamakawa , Kenji Sato , Shigeo Okui , Naoto Kodama
CPC分类号： F02F1/14 , F01P2003/021
摘要： A spacer covets intermediate portions of respective cylinder bores in a depth direction of a water jacket throughout the entire peripherics of the intermediate portions in the peripheral direction. Accordingly, the intermediate portion of each cylinder bore becomes higher in temperature than any other portion, and is thermally expanded. Thereby, the clearance between the cylinder bore and the corresponding piston increases. Thus, the friction decreases to improve fuel efficiency of an internal combustion engine. Furthermore, the temperature of oil lubricating the intermediate portion of the cylinder bore rises, and the viscosity decreases. Accordingly, the effect of friction reduction is enhanced more. Furthermore, upper and lower portions of the cylinder bores in a cylinder axis direction are sufficiently cooled. Therefore, the cooling performance of a top part and a skirt part of each piston, which tends to become higher in tempera lure, is secured. Accordingly, overheat can be prevented.
摘要翻译： 间隔件在圆周方向上的中间部分的整个周边处，在水套的深度方向上夹着相应气缸孔的中间部分。 因此，每个气缸孔的中间部分的温度比任何其它部分都变高，并且被热膨胀。 因此，气缸孔与相应活塞之间的间隙增加。 因此，摩擦力降低以提高内燃机的燃料效率。 此外，润滑汽缸孔中间部分的油的温度升高，粘度降低。 因此，摩擦减少的效果进一步提高。 此外，气缸的缸体轴向的上下部分被充分冷却。 因此，确保了倾向于变得更高温度的每个活塞的顶部和裙部的冷却性能。 因此，可以防止过热。
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公开(公告)号：US08919302B2
公开(公告)日：2014-12-30
申请号：US12940552
申请日：2010-11-05
申请人： Takeru Hamakawa , Atsushi Nakajima , Yoshihiro Akiyama , Yoshihisa Kazui , Takeshi Fujii , Kuniyasu Tamura , Yoshiyuki Iida
发明人： Takeru Hamakawa , Atsushi Nakajima , Yoshihiro Akiyama , Yoshihisa Kazui , Takeshi Fujii , Kuniyasu Tamura , Yoshiyuki Iida
CPC分类号： F02F1/166 , F01P3/02 , F01P7/14 , F01P2003/021 , F02F1/14
摘要： A spacer arranged inside a water jacket which is formed to surround peripheries of cylinder bores in a cylinder block of an internal combustion engine includes support legs extending in an up-and-down direction from a spacer main body part which partitions the water jacket into an upper and lower cooling water passages. The support legs are disposed in opposite end portions in a cylinder row line direction, where the temperatures of the cylinder bores tend to be lower. Accordingly, even if the flow of cooling water is more or less inhibited by the support legs and the cooling effect deteriorates, it is possible to prevent the temperatures of the respective cylinder bores from becoming different by suppressing the influence to a minimum.
摘要翻译： 布置在水套内的间隔件，其被形成为围绕内燃机的气缸体中的气缸孔的周围，包括从上下方向延伸的支撑腿，该隔离件主体部分将水套分隔成 上下冷却水通道。 支撑腿设置在气缸排线方向的相对端部，气缸孔的温度倾向于较低。 因此，即使冷却水的流动或多或少地被支撑腿阻碍，并且冷却效果劣化，可以通过抑制影响最小化来防止各气缸孔的温度变差。
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公开(公告)号：US08770062B2
公开(公告)日：2014-07-08
申请号：US12524515
申请日：2008-01-29
申请人： Teruo Kobayashi , Takeru Hamakawa
发明人： Teruo Kobayashi , Takeru Hamakawa
IPC分类号： F16C3/04
CPC分类号： F16C3/12 , F02D41/009 , F16D1/076 , F16D2300/12
摘要： A pulser plate mounting structure is provided in which a key groove (14) is formed in a mounting face (10) of a rotating wall portion (9) formed from a crank arm (3) and a counterweight (4), a key portion (16) for engaging with the key groove (14) is formed on a pulser plate (P) that is superimposed on the mounting face (10), and this pulser plate (P) is secured to the rotating wall portion (9) by means of a securing member (18), wherein the key portion (16) is formed from an arched band-shaped portion (16a) projecting in an arched shape from the pulser plate (P) on one end face side thereof and engaging with the key groove (14), and a pair of connecting portions (16b) for providing integral connection between the pulser plate (P) and opposite ends of the arched band-shaped portion (16a). This provides a high precision of positioning of the pulser plate relative to the crankshaft and a good productivity for the pulser plate.
摘要翻译： 提供了一种脉冲发生器安装结构，其中在由曲柄臂（3）和配重（4）形成的旋转壁部分（9）的安装面（10）上形成有键槽（14），键部分 在与叠置在安装面（10）上的脉冲发生器（P）上形成有用于与键槽（14）卡合的接头（16），该脉冲发生器板（P）通过 固定构件（18）的装置，其中，所述键部（16）由在其一个端面侧上从所述脉冲发生器板（P）以弓形形状突出的弓形带状部分（16a）形成， 以及用于提供脉冲发生器板（P）与拱形带状部分（16a）的相对端之间的整体连接的一对连接部分（16b）。 这提供了脉冲发生器相对于曲轴的定位的高精度，并且对于脉冲发生器板具有良好的生产率。
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公开(公告)号：US08763568B2
公开(公告)日：2014-07-01
申请号：US12941769
申请日：2010-11-08
申请人： Takeru Hamakawa , Eiji Takahashi , Takuma Adachi , Hisayuki Hashimoto , Takenori Akiyoshi , Makoto Andou , Yoshihiro Akiyama , Ichirou Ohmura
发明人： Takeru Hamakawa , Eiji Takahashi , Takuma Adachi , Hisayuki Hashimoto , Takenori Akiyoshi , Makoto Andou , Yoshihiro Akiyama , Ichirou Ohmura
CPC分类号： F02F1/163 , F01P3/02 , F01P2003/021 , F02F1/14
摘要： A spacer fitted inside a water jacket of a cylinder block in an internal combustion engine is set so that a space formed between an inner peripheral surface of the spacer and an inner wall surface of the water jacket is smaller than a space formed between an outer peripheral surface of the spacer and an outer wall surface of the water jacket. Accordingly, even if a position of the spacer is shifted in a radial direction, the inner peripheral surface of the spacer comes into abutment on the inner wall surface of the water jacket at first. Thereby, the abutment of the outer peripheral surface of the spacer on the outer wall surface of the water jacket is prevented completely. Therefore, hitting sounds of pistons can be blocked by the space between the outer peripheral surface of the spacer and the outer wall surface of the water jacket.
摘要翻译： 设置在内燃机中的气缸体的水套内的间隔件，使得在间隔件的内周面与水套的内壁面之间形成的空间小于形成在外周面 间隔件的表面和水套的外壁表面。 因此，即使间隔件的位置沿径向移动，间隔件的内周面首先在水套的内壁面上抵接。 由此，能够完全防止隔套的外周面与水套的外壁面的抵接。 因此，可以通过间隔件的外周面与水套的外壁面之间的空间来阻止撞击活塞的声音。
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公开(公告)号：US20100065006A1
公开(公告)日：2010-03-18
申请号：US12524515
申请日：2008-01-29
申请人： Teruo Kobayashi , Takeru Hamakawa
发明人： Teruo Kobayashi , Takeru Hamakawa
IPC分类号： F02B75/06
CPC分类号： F16C3/12 , F02D41/009 , F16D1/076 , F16D2300/12
摘要： A pulser plate mounting structure is provided in which a key groove (14) is formed in a mounting face (10) of a rotating wall portion (9) formed from a crank arm (3) and a counterweight (4), a key portion (16) for engaging with the key groove (14) is formed on a pulser plate (P) that is superimposed on the mounting face (10), and this pulser plate (P) is secured to the rotating wall portion (9) by means of a securing member (18), wherein the key portion (16) is formed from an arched band-shaped portion (16a) projecting in an arched shape from the pulser plate (P) on one end face side thereof and engaging with the key groove (14), and a pair of connecting portions (16b) for providing integral connection between the pulser plate (P) and opposite ends of the arched band-shaped portion (16a). This provides a high precision of positioning of the pulser plate relative to the crankshaft and a good productivity for the pulser plate.
摘要翻译： 提供了一种脉冲发生器安装结构，其中在由曲柄臂（3）和配重（4）形成的旋转壁部分（9）的安装面（10）上形成有键槽（14），键部分 在与叠置在安装面（10）上的脉冲发生器（P）上形成有用于与键槽（14）卡合的接头（16），该脉冲发生器板（P）通过 固定构件（18）的装置，其中，所述键部（16）由在其一个端面侧上从所述脉冲发生器板（P）以弓形形状突出的弓形带状部分（16a）形成， 以及用于提供脉冲发生器板（P）与拱形带状部分（16a）的相对端之间的整体连接的一对连接部分（16b）。 这提供了脉冲发生器相对于曲轴的定位的高精度，并且对于脉冲发生器板具有良好的生产率。
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