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1. 发明授权

EP2599978B1 Four-stroke engine 有权
公开(公告)号：EP2599978B1
公开(公告)日：2016-02-03
申请号：EP12007697.1
申请日：2012-11-14
申请人： Makita Corporation
发明人： Takahashi, Yuji , Nakamura, Yuki , Kurimoto, Masaki , Iwase, Masayuki
IPC分类号： F02B63/02 , F02B75/02
CPC分类号： F02B63/02 , F02B2075/027

2. 发明公开

EP2573352A1 Engine for portable working machine 审中-公开
标题翻译：电动机Arbeitsmaschine
公开(公告)号：EP2573352A1
公开(公告)日：2013-03-27
申请号：EP12006575.0
申请日：2012-09-19
申请人： Makita Corporation
发明人： Nakamura, Yuki
IPC分类号： F01P5/06 , F02B63/02
CPC分类号： F02B63/02 , F01P5/06
摘要： An engine for a portable working machine includes: a crankshaft to which the working machine is coupled; an air-cooling fan coupled to one end side of the crankshaft; a fan casing enclosing the air-cooling fan; and a bottom cover located in a bottom surface side of the engine and connected to the fan casing. Air suction ports and guide parts are provided in one side of the bottom cover, the air suction ports sucking in air supplied from the air-cooling fan, and the guide parts extending from the air suction ports to the impeller blades of the air-cooling fan.
摘要翻译：用于便携式工作机的发动机包括：工作机器连接到的曲轴; 联接到所述曲轴的一端侧的空气冷却风扇; 封闭风冷风扇的风扇壳体; 以及底盖，位于发动机的底面侧并连接到风扇壳体。空气吸入口和引导部分设置在底盖的一侧，空气吸入口吸入从空气冷却风扇供应的空气，引导部分从空气吸入口延伸到空气冷却的叶轮叶片风扇。

3. 发明公开

EP2407650A3 Working machine engine and working machine using the same 审中-公开
标题翻译：机械马达和其驱动
公开(公告)号：EP2407650A3
公开(公告)日：2013-10-30
申请号：EP11173716.9
申请日：2011-07-13
申请人： Makita Corporation
发明人： Nakamura, Yuki , Sakakibara, Yasuyuki
IPC分类号： F01P5/06 , F02B63/02 , F02B75/16 , F01P5/02
CPC分类号： F01P5/06 , F01P2005/025 , F02B63/02 , F02B75/16
摘要： A working machine engine is provided. The air flowing through the front side cooling air flow passage and the upper side cooling air flow passage which are provided in the front side and the upper side of the casing, respectively, and the air flowing through the auxiliary air flow passage provided in the back side of the casing join together near the opening. By this means, the air flowing through the auxiliary air flow passage can change the direction of the air flowing lengthwise through the front side cooling air flow passage and the upper side cooling air flow passage.

4. 发明公开

EP2407650A2 Working machine engine and working machine using the same 审中-公开
标题翻译： Arbeitsmaschinenmotor und Arbeitsmaschine damit
公开(公告)号：EP2407650A2
公开(公告)日：2012-01-18
申请号：EP11173716.9
申请日：2011-07-13
申请人： Makita Corporation
发明人： Nakamura, Yuki , Sakakibara, Yasuyuki
IPC分类号： F01P5/06 , F02B63/02 , F02B75/16
CPC分类号： F01P5/06 , F01P2005/025 , F02B63/02 , F02B75/16
摘要： A working machine engine is provided. The air flowing through the front side cooling air flow passage and the upper side cooling air flow passage which are provided in the front side and the upper side of the casing, respectively, and the air flowing through the auxiliary air flow passage provided in the back side of the casing join together near the opening. By this means, the air flowing through the auxiliary air flow passage can change the direction of the air flowing lengthwise through the front side cooling air flow passage and the upper side cooling air flow passage.
摘要翻译：提供工作机器引擎。分别设置在壳体的前侧和上侧的流过前侧冷却风流路和上侧冷却风流路的空气以及设置在后侧的辅助空气流路中流动的空气外壳的一侧在开口附近结合在一起。通过这种方式，流过辅助空气流动通道的空气可以改变通过前侧冷却空气流动通道和上侧冷却空气流动通道纵向流动的空气的方向。

5. 发明公开

EP2599978A2 Four-stroke engine 有权
标题翻译： Viertaktmotor
公开(公告)号：EP2599978A2
公开(公告)日：2013-06-05
申请号：EP12007697.1
申请日：2012-11-14
申请人： Makita Corporation
发明人： Takahashi, Yuji , Nakamura, Yuki , Kurimoto, Masaki , Iwase, Masayuki
IPC分类号： F02B63/02 , F02B75/02
CPC分类号： F02B63/02 , F02B2075/027
摘要： A four-stroke engine (1) for a working machine with a rod (60), where a tool is attached to one end of the rod (60) in a longitudinal direction and the four-stroke engine (1) is fixed to the other end of the rod (60) in use. the four-stroke engine (1) includes: an oil circulation pathway; and a gas-liquid separating chamber (70) configured to separate oil from blowby gas. The gas-liquid separating chamber (70) includes: an inflow part (203) into which the blowby gas is introduced from the oil circulation pathway; oil discharge parts (204) configured to flow the oil separated from the blowby gas back to the oil circulation pathway; and a blowby gas discharge part (400) configured to discharge the blowby gas not containing oil mist from the gas-liquid separating chamber (70) and supplies the blowby gas to an intake passageway to a combustion chamber. The oil discharge parts (204) are formed as openings on at least two corners in a lower part of the gas-liquid separating chamber (70) in the longitudinal direction.
摘要翻译：一种用于具有杆（60）的工作机械的四冲程发动机（1），其中工具沿纵向连接到杆（60）的一端，并且四冲程发动机（1）固定到杆（60）的另一端在使用中。四冲程发动机（1）包括：油循环通路; 以及气液分离室（70），其构造成将油与窜气分离。所述气液分离室（70）具有：从所述油循环路径引入所述排气的流入部（203）排油部件（204），其构造成使从所述窜气返回到所述油循环路径的油分流; 以及排气部件（400），其构成为从气液分离室（70）排出不含油雾的排气，将排气供给到进气通路。排油部（204）在气液分离室（70）的长度方向的下部的至少两个角部形成为开口部。

6. 发明公开

EP2397665A1 Four-stroke engine and working machine using the same 审中-公开
标题翻译： Viertakt-Motor und Arbeitsmaschine damit
公开(公告)号：EP2397665A1
公开(公告)日：2011-12-21
申请号：EP11166369.6
申请日：2011-05-17
申请人： Makita Corporation
发明人： Nakamura, Yuki , Sakakibara, Yasuyuki
IPC分类号： F01P1/02 , F02B63/02
CPC分类号： F02B63/02 , F01M1/04 , F01M11/0004 , F01M2011/0025 , F01N1/00 , F01N13/1888 , F01N2340/04 , F01N2590/06 , F01P1/06 , F16N7/32
摘要： A reduced size four-stroke engine and a working machine using the same are provided. A fuel tank is disposed in the space below a carburetor and an engine base is integrally formed with a fuel tank. By this means, the fuel tank is disposed in the space below the carburetor, and therefore the oil tank is not required to be disposed below the oil tank, so that it is possible to reduce the size.
摘要翻译：提供了一种减小尺寸的四冲程发动机和使用其的作业机。燃料箱设置在化油器下面的空间中，发动机基座与燃料箱一体形成。通过这种方式，燃料箱设置在化油器下方的空间内，因此油箱不需要设置在油箱下方，因此可以减小尺寸。

7. 发明授权

EP2573352B1 Engine for portable working machine 有权
公开(公告)号：EP2573352B1
公开(公告)日：2019-08-28
申请号：EP12006575.0
申请日：2012-09-19
申请人： Makita Corporation
发明人： Nakamura, Yuki
IPC分类号： F01P5/06 , F02B63/02

8. 发明授权

EP2592243B1 Lubrication apparatus for four-stroke engine 有权
标题翻译：四冲程发动机的润滑装置
公开(公告)号：EP2592243B1
公开(公告)日：2017-09-13
申请号：EP12007191.5
申请日：2012-10-17
申请人： Makita Corporation
发明人： Nakamura, Yuki
IPC分类号： F01M1/04
CPC分类号： F01M1/04

9. 发明公开

EP2599978A3 Four-stroke engine 有权
标题翻译：四冲程发动机
公开(公告)号：EP2599978A3
公开(公告)日：2014-01-15
申请号：EP12007697.1
申请日：2012-11-14
申请人： Makita Corporation
发明人： Takahashi, Yuji , Nakamura, Yuki , Kurimoto, Masaki , Iwase, Masayuki
IPC分类号： F02B63/02 , F02B75/02
CPC分类号： F02B63/02 , F02B2075/027
摘要： A four-stroke engine (1) for a working machine with a rod (60), where a tool is attached to one end of the rod (60) in a longitudinal direction and the four-stroke engine (1) is fixed to the other end of the rod (60) in use. the four-stroke engine (1) includes: an oil circulation pathway; and a gas-liquid separating chamber (70) configured to separate oil from blowby gas. The gas-liquid separating chamber (70) includes: an inflow part (203) into which the blowby gas is introduced from the oil circulation pathway; oil discharge parts (204) configured to flow the oil separated from the blowby gas back to the oil circulation pathway; and a blowby gas discharge part (400) configured to discharge the blowby gas not containing oil mist from the gas-liquid separating chamber (70) and supplies the blowby gas to an intake passageway to a combustion chamber. The oil discharge parts (204) are formed as openings on at least two corners in a lower part of the gas-liquid separating chamber (70) in the longitudinal direction.

10. 发明公开

EP2592243A1 Lubrication apparatus for four-stroke engine 有权
标题翻译： SchmiervorrichtungfürViertaktmotor
公开(公告)号：EP2592243A1
公开(公告)日：2013-05-15
申请号：EP12007191.5
申请日：2012-10-17
申请人： Makita Corporation
发明人： Nakamura, Yuki
IPC分类号： F01M1/04
CPC分类号： F01M1/04
摘要： A lubrication apparatus for a four-stroke engine (1) includes a piston (6), a cylinder (3b), a crank chamber (5a) and a valve operating chamber (4). The lubrication apparatus configured to lubricate driving parts while circulating oil mist through an oil circulation pathway, using pressure fluctuation in the crank chamber (5a), the pressure fluctuation being caused by reciprocating motion of the piston (6). The lubrication apparatus further includes a direct passageway (46) configured to allow communication between the valve operating chamber (4) and the crank chamber (5a) when a negative pressure is created in the crank chamber (5a). The direct passageway (46) includes a flexible tube part (146) that is formed out of the cylinder (3b).
摘要翻译：用于四冲程发动机（1）的润滑装置包括活塞（6），气缸（3b），曲柄室（5a）和气门操作室（4）。所述润滑装置构成为，通过所述曲柄室（5a）的压力波动，使所述活塞（6）的往复运动引起的压力波动，通过油循环路径使油雾循环而润滑驱动部。润滑装置还包括在曲柄室（5a）中产生负压时构造成允许气门操作室（4）和曲柄室（5a）之间的连通的直接通道（46）。直通通道（46）包括从气缸（3b）形成的柔性管部分（146）。

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