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1. 发明授权

EP2770180B1 Two-stroke internal combustion engine 有权
公开(公告)号：EP2770180B1
公开(公告)日：2017-08-02
申请号：EP14156066.4
申请日：2014-02-21
申请人： Yamabiko Corporation
发明人： Yamazaki, Takahiro , Yamaguchi, Shirou , Shirai, Ken , Nozawa, Masaru
IPC分类号： F02B25/02 , F02B25/16 , F02B33/04 , F02B75/02
CPC分类号： F02B75/02 , F02B25/02 , F02B25/16 , F02B33/04 , F02B2075/025

2. 发明授权

EP2581595B1 Intake device for engine 有权
标题翻译：吸气引擎
公开(公告)号：EP2581595B1
公开(公告)日：2014-07-16
申请号：EP12188335.9
申请日：2012-10-12
申请人： Yamabiko Corporation
发明人： Yamazaki, Takahiro , Shirai, Ken , Osawa, Hisato , Numakunai, Yuji
IPC分类号： F02M1/02 , F02M17/34 , F02M29/04 , F02M33/04 , F02M35/10
CPC分类号： F02M35/10196 , F02M1/02 , F02M17/34 , F02M29/04 , F02M33/04 , F02M35/1017 , F02M35/1019 , Y02T10/126 , Y10S55/28

3. 发明授权

EP2463495B1 Two-cycle engine 有权
公开(公告)号：EP2463495B1
公开(公告)日：2018-09-19
申请号：EP11193175.4
申请日：2011-12-13
申请人： Yamabiko Corporation
发明人： Shirai, Ken , Yamazaki, Takahiro , Koga, Naoki , Yamaguchi, Kazumichi
IPC分类号： F02B25/02
CPC分类号： F02B25/18 , F02B25/22 , F02B63/02 , F02B2075/025 , F02F1/22
摘要： An engine includes a cylinder block (60), and a piston (50) slidably mounted in a cylinder (61a), with the cylinder block being formed with an exhaust passage (80) leading to a combustion chamber (40) through an exhaust port (81), a first scavenging port (20A) opened to an inner circumferential surface of the cylinder (61A), a first communication passage (30A) formed from the first scavenging port (20A) in a radial direction of the cylinder (61A), and a first scavenging passage (10A) formed with an opening on a bottom surface of the first communication passage (30A), in which a side surface on a far side from the exhaust port (81) forming the communication passage (30A) is formed towards the far side from the exhaust port (81) in the combustion chamber (40), and the opening portion of the first scavenging passage (10A) and a landing portion (36) formed in the periphery of the opening portion are formed at a bottom portion of the communication passage (30A).

4. 发明公开

EP2581595A1 Intake device for engine 有权
标题翻译： AnsaugvorrichtungfürMotor
公开(公告)号：EP2581595A1
公开(公告)日：2013-04-17
申请号：EP12188335.9
申请日：2012-10-12
申请人： Yamabiko Corporation
发明人： Yamazaki, Takahiro , Shirai, Ken , Osawa, Hisato , Numakunai, Yuji
IPC分类号： F02M1/02 , F02M17/34 , F02M29/04 , F02M33/04 , F02M35/10
CPC分类号： F02M35/10196 , F02M1/02 , F02M17/34 , F02M29/04 , F02M33/04 , F02M35/1017 , F02M35/1019 , Y02T10/126 , Y10S55/28
摘要： The intake device (1) for an engine includes a carburetor section (2) and an air cleaner section (4). The carburetor section (2) includes a body (5) having an intake passage (6) which has an opening (6a) communicating with the air cleaner section (4) and a choke valve (8) being a butterfly valve having a plate-like valve body (8b). The air cleaner section (4) includes an air filter (12), an air-flow chamber (14) provided between the air filter (12) and the intake passage (6), and a reverse-flow restriction surface (18b) provided within the air-flow chamber (14). The air cleaner section (4) further includes a plate-like partition (24) extending from a location near an air-cleaner side periphery (8c) of the valve body (8b) of the choke valve (8) in the full-open position to a location near the reverse-flow restriction surface (18b) so as to continue the periphery (8c).
摘要翻译：用于发动机的进气装置（1）包括化油器部分（2）和空气滤清器部分（4）。化油器部分（2）包括具有进气通道（6）的主体（5），该进气通道具有与空气滤清器部分（4）连通的开口（6a）和具有盘形阀的蝶阀的阻流阀（8）（8b）。空气滤清器部分（4）包括空气过滤器（12），设置在空气过滤器（12）和进气通道（6）之间的空气流动室（14），以及设置有逆流限制表面（18b）在空气流动室（14）内。空气滤清器部分（4）还包括一个板状隔离物（24），该隔板从靠近止回阀（8）的阀体（8b）的空气滤清器侧周边（8c）的位置全开位置到靠近逆流限制表面（18b）的位置，以便继续周边（8c）。

5. 发明公开

EP4119780A1 TWO-STROKE ENGINE 审中-实审
公开(公告)号：EP4119780A1
公开(公告)日：2023-01-18
申请号：EP22185011.8
申请日：2022-07-14
申请人： Yamabiko Corporation
发明人： Ito, Kenta , Yamazaki, Takahiro , Genba, Shouta , Kinoshita, Takahiro
IPC分类号： F02B33/04 , F02B25/16
摘要： An engine (2) is a four-flow scavenging type engine. Four scavenging ports (34) include: first right and left scavenging ports (34(lef-1) and 34(ref-1) that lie on a side relatively away from an exhaust port (22) and that lie facing each other with a cylinder (4) in between; and second right and left scavenging ports (34(lef-2) and 34(ref-2) that lie closer to the exhaust port (22) than first right and left scavenging ports do and that lie facing each other with the cylinder (4) in between. The second left scavenging port and the first right scavenging port that make up a first mutually diagonal set (Diag-No. 1) have different opening timings from those of the first left scavenging port and the second right scavenging port that make up a second mutually diagonal set (Diag-No.2).

6. 发明授权

EP3184775B1 LEADING-AIR TYPE TWO-STROKE AIR-COOLED ENGINE 有权转让
公开(公告)号：EP3184775B1
公开(公告)日：2018-09-05
申请号：EP16205858.0
申请日：2016-12-21
申请人： Yamabiko Corporation
发明人： Yamazaki, Takahiro , Tsunoda, Hidekazu , Osawa, Hisato , Ueda, Shunsuke
IPC分类号： F02B25/02 , F02B25/00 , F02F1/22 , F28F17/00 , F28F9/02 , F02B29/04
CPC分类号： F02B25/02 , F01P5/04 , F02B25/00 , F02B25/22 , F02B29/0425 , F02B29/045 , F02B33/04 , F02B33/44 , F02B75/02 , F02B2075/025 , Y02T10/146
摘要： To balance a "low-temperature scavenging effect" and a "high-temperature scavenging effect." A scavenging system (100) applicable to a leading-air type two-stroke air-cooled engine has a low-temperature scavenging passage (102) and a high-temperature scavenging passage (104). The low-temperature scavenging passage (102) has first and second passages (106, 108) and includes scavenging ports (106a, 108a) at upper end parts thereof. The high-temperature scavenging passage (104) has first and second passages (110, 112) and includes scavenging ports ( 110a, 112a) at upper end parts thereof. An air is filled through a piston groove into the passages (106, 108, 110, 112). The low-temperature scavenging passage (102) has a relatively small capacity. The high-temperature scavenging passage (104) has a relatively large capacity.

7. 发明公开

EP3184775A1 LEADING-AIR TYPE TWO-STROKE AIR-COOLED ENGINE 有权转让
标题翻译：先导式两冲程空冷发动机
公开(公告)号：EP3184775A1
公开(公告)日：2017-06-28
申请号：EP16205858.0
申请日：2016-12-21
申请人： Yamabiko Corporation
发明人： Yamazaki, Takahiro , Tsunoda, Hidekazu , Osawa, Hisato , Ueda, Shunsuke
IPC分类号： F02B25/02 , F02B25/00 , F02F1/22 , F28F17/00 , F28F9/02 , F02B29/04
CPC分类号： F02B25/02 , F01P5/04 , F02B25/00 , F02B25/22 , F02B29/0425 , F02B29/045 , F02B33/04 , F02B33/44 , F02B75/02 , F02B2075/025 , Y02T10/146
摘要： To balance a "low-temperature scavenging effect" and a "high-temperature scavenging effect." A scavenging system (100) applicable to a leading-air type two-stroke air-cooled engine has a low-temperature scavenging passage (102) and a high-temperature scavenging passage (104). The low-temperature scavenging passage (102) has first and second passages (106, 108) and includes scavenging ports (106a, 108a) at upper end parts thereof. The high-temperature scavenging passage (104) has first and second passages (110, 112) and includes scavenging ports ( 110a, 112a) at upper end parts thereof. An air is filled through a piston groove into the passages (106, 108, 110, 112). The low-temperature scavenging passage (102) has a relatively small capacity. The high-temperature scavenging passage (104) has a relatively large capacity.
摘要翻译：平衡“低温清除效果”和“高温清除效果”。适用于先导式二冲程空冷发动机的扫气系统（100）具有低温扫气通道（102）和高温扫气通道（104）。低温扫气通路102具有第一通路106和第二通路108，在其上端部具有扫气口106a，108a。高温侧扫气通路104具有第一通路110和第二通路112，在其上端部具有扫气口110a，112a。空气通过活塞槽填充到通道（106,108,110,112）中。低温扫气通路102的容量比较小。高温扫气通路104具有比较大的容量。

8. 发明公开

EP2770180A2 Two-stroke internal combustion engine 有权
标题翻译：二冲程内燃机
公开(公告)号：EP2770180A2
公开(公告)日：2014-08-27
申请号：EP14156066.4
申请日：2014-02-21
申请人： Yamabiko Corporation
发明人： Yamazaki, Takahiro , Yamaguchi, Shirou , Shirai, Ken , Nozawa, Masaru
IPC分类号： F02B25/02
CPC分类号： F02B75/02 , F02B25/02 , F02B25/16 , F02B33/04 , F02B2075/025
摘要： A scavenging port 24 is composed of a main port portion 28 directly ranging to a scavenging passage 22 and a port extension 30 extending from the main port portion 28 in the lateral direction. The port extension 30 extends to the opposite side of an exhaust port 10. A corner portion 40, where the port extension 30 and the scavenging passage 22 are in contact with each other, is composed of an inclined surface that gradually approaches a cylinder chamber 18 toward a gas mixture port 8.
摘要翻译：扫气口24由直接扫气通道22的主口部分28和从主口部分28沿横向延伸的口延伸部30构成。端口延伸部30延伸到排气口10的相对侧。端口延伸部30和扫气通道22彼此接触的角部40由逐渐靠近缸室18的倾斜表面构成朝向气体混合物端口8。

9. 发明公开

EP2461052A2 Filler member for crankshaft 有权
标题翻译： Fürlelementfüreine Kurbelwelle
公开(公告)号：EP2461052A2
公开(公告)日：2012-06-06
申请号：EP11191803.3
申请日：2011-12-02
申请人： Yamabiko Corporation
发明人： Osawa, Hisato , Yamazaki, Takahiro , Shirai, Ken , Numakunai, Yuji
IPC分类号： F16C3/12 , F16C3/20
CPC分类号： F16C3/12 , F16C3/20 , Y10T74/2173 , Y10T74/2183
摘要： A filler member (40) to be installed in a crankshaft including a crank web (30) includes: an arm member (31), extending in a diametrical direction of a crank journal, and a weight member (32) extending in a radial direction of the crank journal. The filler member (40) includes: a fitting member (41), a connecting member (45) mounted on the bodies (43). The fitting member is fixed to an outer side face of the crank web. The connecting member is mounted on the bodies to stride the arm member on inner side face of the crank web.
摘要翻译：安装在包括曲柄腹板（30）的曲轴中的填充件（40）包括：沿曲柄轴颈的直径方向延伸的臂构件（31）和沿径向方向延伸的配重构件的曲柄轴颈。填料构件（40）包括：安装构件（41），安装在主体（43）上的连接构件（45）。配合构件固定在曲柄腹板的外侧面上。连接构件安装在主体上以使臂构件跨越曲柄腹板的内侧面。

10. 发明公开

EP2309107A2 Two-stroke engine 有权
标题翻译： Zweitaktmotor
公开(公告)号：EP2309107A2
公开(公告)日：2011-04-13
申请号：EP10186872.7
申请日：2010-10-07
申请人： Yamabiko Corporation
发明人： Yamazaki, Takahiro , Ogura, Koichirou , Onodera, Hisato , Suzuki, Yusuke
IPC分类号： F02B25/02
CPC分类号： F02B25/22 , F02B25/14 , F02B33/04 , F02B2075/025 , F02M35/108
摘要： In a two-stroke engine (1) according to the present invention, a piston (6) has a communication passage (28) opened to a crank chamber (10). An air intake port (30) is provided on an inner surface (2a) for causing air to flow into the communication passage (28). After a scavenging port (22) is closed by an outer surface (6a) of the piston (6) moving from the bottom dead center to the top dead center, the communication passage (28) is opened in the outer surface (6a) of the piston so as to communicate with the air intake port (30) and the scavenging port (22).
摘要翻译：在根据本发明的二冲程发动机（1）中，活塞（6）具有向曲柄室（10）开口的连通通道（28）。在内表面（2a）上设有用于使空气流入连通通道（28）的进气口（30）。在从下死点向上死点移动的活塞（6）的外表面（6a）封闭清扫口（22）之后，连通通路（28）在所述活塞与所述进气口（30）和所述清扫口（22）连通。

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