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1. 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。

2. 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

3. 发明公开

EP2787194A3 Internal combustion engine 有权
标题翻译：内燃机
公开(公告)号：EP2787194A3
公开(公告)日：2014-12-03
申请号：EP14163497.2
申请日：2014-04-04
申请人： Yamabiko Corporation
发明人： Yoshizaki, Takuo , Yamaguchi, Shirou
IPC分类号： F02B25/02 , F02M17/08 , F02M7/133 , F02M9/08 , F02B75/02 , F02M7/10
CPC分类号： F02M7/10 , F02B2075/025 , F02M7/133 , F02M9/08
摘要： A main nozzle (38) of a carburetor (10) communicates with a metering chamber (26) through a first fuel feeding passage (44) originally included in the carburetor and a first additional fuel feeding passage (46). The first additional fuel feeding passage (46) includes a flow rate adjusting valve (48). The flow rate adjusting valve (48) is driven by a solenoid actuator (50). The solenoid actuator (50) is controlled on the basis of engine speed.
摘要翻译：化油器（10）的主喷嘴（38）通过最初包括在化油器中的第一燃料供给通道（44）和第一附加燃料供给通道（46）与计量室（26）连通。第一附加燃料供给通道（46）包括流量调节阀（48）。流量调节阀（48）由电磁致动器（50）驱动。电磁致动器（50）根据发动机转速进行控制。

4. 发明公开

EP2770180A3 Two-stroke internal combustion engine 有权
公开(公告)号：EP2770180A3
公开(公告)日：2014-11-05
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
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.

5. 发明公开

EP3428432A1 PORTABLE WORKING MACHINE INCLUDING ENGINE WITH CARBURETOR AND FUEL SUPPLY CONTROL METHOD THEREOF 审中-公开
公开(公告)号：EP3428432A1
公开(公告)日：2019-01-16
申请号：EP18171263.9
申请日：2018-05-08
申请人： Yamabiko Corporation
发明人： Nonaka, Takumi , Yamaguchi, Shirou , Kono, Toru , Sato, Genichi , Iihara, Yuta
IPC分类号： F02D41/06 , F02D41/18 , F02D41/24 , F02D41/00
摘要： To optimize fuel supply of an engine with a carburetor (100, 250) during engine operation, a throttle opening degree detection sensor (26) detecting a throttle opening degree and a control unit (40) controlling a valve body (10, 230) variably controlling an opening degree of a fuel discharge part (8a) or a fuel supply passage (222) based on a map are included. The map includes a plurality of sections divided based on the throttle opening degree and an opening degree of the valve body (10, 230) set for each section. The opening degree of the valve body set for each section is the opening degree of the valve body at which the engine rotation speed is highest in each section. The control unit (40) controls an electric actuator (14, 232) driving the valve body (10, 230) to achieve the opening degree of the valve body set in a section to which the throttle opening degree detected by the throttle opening degree detection sensor (26) belongs out of the plurality of sections.

6. 发明授权

EP2278137B1 Two-stroke internal combustion engine 有权转让
标题翻译：二冲程发动机
公开(公告)号：EP2278137B1
公开(公告)日：2016-03-02
申请号：EP10007558.9
申请日：2010-07-21
申请人： Yamabiko Corporation
发明人： Koga, Naoki , Yamaguchi, Shirou , Shirai, Ken , Yamada, Daisuke
IPC分类号： F02B25/14 , F02B75/02 , F02B33/04 , F02B33/44
CPC分类号： F02B25/14 , F02B33/04 , F02B33/44 , F02B2075/025

7. 发明授权

EP3428432B1 PORTABLE WORKING MACHINE INCLUDING ENGINE WITH CARBURETOR AND FUEL SUPPLY CONTROL METHOD THEREOF 有权
公开(公告)号：EP3428432B1
公开(公告)日：2020-04-22
申请号：EP18171263.9
申请日：2018-05-08
申请人： Yamabiko Corporation
发明人： Nonaka, Takumi , Yamaguchi, Shirou , Kono, Toru , Sato, Genichi , Iihara, Yuta
IPC分类号： F02D41/06 , F02D41/18 , F02D41/24 , F02D41/00

8. 发明授权

EP2787194B1 Internal combustion engine 有权
公开(公告)号：EP2787194B1
公开(公告)日：2018-11-14
申请号：EP14163497.2
申请日：2014-04-04
申请人： Yamabiko Corporation
发明人： Yoshizaki, Takuo , Yamaguchi, Shirou
IPC分类号： F02B25/02 , F02M17/08 , F02M7/133 , F02M9/08 , F02B75/02 , F02M7/10
CPC分类号： F02M7/10 , F02B2075/025 , F02M7/133 , F02M9/08
摘要： A main nozzle (38) of a carburetor (10) communicates with a metering chamber (26) through a first fuel feeding passage (44) originally included in the carburetor and a first additional fuel feeding passage (46). The first additional fuel feeding passage (46) includes a flow rate adjusting valve (48). The flow rate adjusting valve (48) is driven by a solenoid actuator (50). The solenoid actuator (50) is controlled on the basis of engine speed.

9. 发明公开

EP2787194A2 Internal combustion engine 有权
标题翻译： Verbrennungsmotor
公开(公告)号：EP2787194A2
公开(公告)日：2014-10-08
申请号：EP14163497.2
申请日：2014-04-04
申请人： Yamabiko Corporation
发明人： Yoshizaki, Takuo , Yamaguchi, Shirou
IPC分类号： F02B25/02 , F02M17/08
CPC分类号： F02M7/10 , F02B2075/025 , F02M7/133 , F02M9/08
摘要： A main nozzle (38) of a carburetor (10) communicates with a metering chamber (26) through a first fuel feeding passage (44) originally included in the carburetor and a first additional fuel feeding passage (46). The first additional fuel feeding passage (46) includes a flow rate adjusting valve (48). The flow rate adjusting valve (48) is driven by a solenoid actuator (50). The solenoid actuator (50) is controlled on the basis of engine speed.
摘要翻译：化油器（10）的主喷嘴（38）通过原始包括在化油器中的第一燃料供给通道（44）和第一附加燃料供给通道（46）与计量室（26）连通。第一附加燃料供给通道（46）包括流量调节阀（48）。流量调节阀（48）由螺线管致动器（50）驱动。螺线管致动器（50）基于发动机转速进行控制。

10. 发明公开

EP2278137A3 Two-stroke internal combustion engine 有权转让
标题翻译：二冲程内燃机
公开(公告)号：EP2278137A3
公开(公告)日：2011-10-19
申请号：EP10007558.9
申请日：2010-07-21
申请人： Yamabiko Corporation
发明人： Koga, Naoki , Yamaguchi, Shirou , Shirai, Ken , Yamada, Daisuke
IPC分类号： F02B25/02 , F02B33/04 , F02F1/22
CPC分类号： F02B25/14 , F02B33/04 , F02B33/44 , F02B2075/025
摘要： There is provided a reverse scavenged two-stroke internal combustion engine that is capable of effectively suppressing the short-circuiting of fresh charge (unburnt air-fuel mixture), while at the same time being capable of further improving scavenging efficiency, combustion efficiency, etc. The horizontal sectional shape of at least one pair of scavenging passages (31, 31 and 32, 32) is closer to a triangle than a parallelogram along substantially the entire lengths of the at least one pair of scavenging passages, where a cylinder outer circumferential side of the horizontal sectional shape is narrowest and a cylinder bore wall surface (10a) side of the horizontal sectional shape is wide. Further, horizontal scavenging angles (α, β), which are angles of intersection formed between lines (Ea, Ea and Eb, Eb) extended towards an intake port (33) from guide wall surfaces (31c, 31c and 32c, 32c) that define the scavenging passages (31, 31 and 32, 32), are acute.
摘要翻译：提供了一种能够有效地抑制新鲜充量（未燃烧的空气 - 燃料混合物）短路的反向扫气二冲程内燃机，同时能够进一步提高扫气效率，燃烧效率等，至少一对扫气通路（31,31,32,32）的水平截面形状在至少一对扫气通路的大致整个长度上比平行四边形更接近三角形，圆柱外周水平截面形状的侧面最窄，水平截面形状的气缸孔壁面（10a）侧较宽。另外，作为从导向壁面（31c，31c，32c，32c）向吸气口（33）延伸的线（Ea，Ea，Eb，Eb）形成的交叉角的水平扫气角（α，β）限定清理通道（31,31和32,32）是锐角的。

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