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公开(公告)号：EP3067548A1
公开(公告)日：2016-09-14
申请号：EP16158661.5
申请日：2016-03-04
申请人： Yamabiko Corporation
IPC分类号： F02M35/022 , F02B63/02
CPC分类号： F02M35/06 , F02B63/02 , F02M35/0226 , F02M35/024 , F02M35/1017 , Y02T10/146
摘要： Provided is a portable power working machine that is designed to suppress mixing of dust into air sucked into an air intake system of an air-cooled internal combustion engine mounted as a driving power source for working units, for example, and reliably prevent an air cleaner provided to the air intake system of the internal combustion engine from being clogged with dust, and thus eliminate the necessity of frequently cleaning the air cleaner. An air intake port of an air intake passage is arranged on the opposite side of the internal combustion engine with respect to a straightening passage formed around a cooling fan, so that, of the air released from a discharge port of the straightening passage, at least part of air released toward the opposite side of the internal combustion engine with respect to the straightening passage is taken into the air intake passage via the air intake port.
摘要翻译： 提供了一种便携式动力工作机械，其设计成可以抑制灰尘吸入被安装在作为作业单元的驱动动力源的风冷内燃机的进气系统中的空气中，并可靠地防止空气净化器 提供给内燃机的进气系统被灰尘堵塞，因此不需要频繁地清洁空气滤清器。 进气通道的进气口相对于形成在冷却风扇周围的整流通道布置在内燃机的相对侧上，使得从矫直通道的排出口释放的空气至少 相对于矫直通道向内燃机的相对侧释放的空气的一部分经由进气口被引入进气通道。
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公开(公告)号：EP3064301A1
公开(公告)日：2016-09-07
申请号：EP16158121.0
申请日：2016-03-01
申请人： Yamabiko Corporation
CPC分类号： F02B63/02 , B23D45/16 , B23D59/006 , B23Q11/006
摘要： An object of the present invention is to increase the durability of an engine by separating dust particles sufficiently with as few components as possible, and to extend the maintenance cycle of an air filter.
A cyclone separator 11 having a circular cross section is arranged upstream of an air filter 18. An introduction passage 12 extends from a branch air inlet 10, which is provided at a position displaced from a main passage 9, to the cyclone separator 11. A margin space 13 where at least part of air introduced in the introduction passage 12 flows is formed in the introduction passage 12 before the cyclone separator 11. A swirl flow occurring in the cyclone separator 11 starts at this margin space 13.摘要翻译： 本发明的目的是通过尽可能少的组分充分分离灰尘颗粒来增加发动机的耐久性，并且延长空气过滤器的维护周期。 具有圆形横截面的旋风分离器11设置在空气过滤器18的上游。引入通道12从设置在从主通道9移位的旋转分离器11的位置处的分支空气入口10延伸。 在引入通道12内形成有引入通道12中引入的空气的至少一部分的边缘空间13。在旋风分离器11之前，在旋风分离器11中产生的涡流开始于该余量空间13。
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