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1. 发明申请

WO2012104919A1 STRATIFIED SCAVENGING TWO-STROKE ENGINE 审中-公开
标题翻译：分体式起动两冲程发动机
公开(公告)号：WO2012104919A1
公开(公告)日：2012-08-09
申请号：PCT/JP2011/000611
申请日：2011-02-03
申请人： Husqvarna Zenoah Co., Ltd. , ONO, Ryou , ASAHINA, Mikihiro
发明人： ONO, Ryou , ASAHINA, Mikihiro
IPC分类号： F02B33/04 , F02B25/16 , F02F3/24 , F02B77/00 , F02B25/14
CPC分类号： F02B33/00 , F02B25/14 , F02B25/20 , F02B25/22 , F02B33/04
摘要： A stratified scavenging two-stroke engine includes: a crankcase (2); a cylinder (3) being provided with a cylinder bore (31); an intake passage (4) supplying air-fuel mixture into the crankcase (2) via an intake port (4A); a scavenging passage (5) supplying the air-fuel mixture from the crankcase (2) into the cylinder bore (31) via a scavenging port (5A); a leading-air passage (6) supplying leading air into the scavenging passage (5); and an exhaust passage (7) being disposed on an opposite side of the intake passage (4) with the cylinder bore (31) interposed therebetween, the exhaust passage (7) discharging exhaust gas via an exhaust port, in which the scavenging passage (5) includes a main passage (51) provided near the exhaust port and a sub passage (52) provided near the intake port (4A), the main passage (51) and the sub passage (52) are isolated from each other by a partition (25, 34) that extends over substantially an entire length of the main passage (51) and the sub passage (52), the sub passage (52) includes an air-fuel mixture inlet (55) provided at a position corresponding to an opening end (35) of the cylinder bore (31) that faces the crankcase (2), and the inlet (55) functions as a flow rate adjuster having a throttle effect.
摘要翻译：分层扫气二冲程发动机包括：曲轴箱（2）; 气缸（3）设置有气缸孔（31）; 进气通道（4），经由进气口（4A）将空气 - 燃料混合物供应到所述曲轴箱（2）中; 清空通道（5），其经由清扫口（5A）将空气 - 燃料混合物从曲轴箱（2）供应到气缸孔（31）中; 将引导空气供给到扫气通道（5）中的引导空气通道（6）; 和排气通路（7），其设置在所述进气通路（4）的与所述气缸孔（31）相对的相反侧，所述排气通道（7）经由排气口排出废气，所述排气通道（7） 5）包括设置在排气口附近的主通道（51）和设置在进气口（4A）附近的副通道（52），主通道（51）和副通道（52）通过一个分隔壁（25,34），其在主通道（51）和副通道（52）的基本上整个长度上延伸，副通道（52）包括空气 - 燃料混合物入口（55），设置在对应于所述气缸孔（31）的面向曲轴箱（2）的开口端（35），并且所述入口（55）用作具有节流效应的流量调节器。

2. 发明申请

WO2012063276A1 AIR SUPPLY DEVICE OF STRATIFIED SCAVENGING TWO-CYCLE ENGINE 审中-公开
标题翻译：分段式加油双循环发动机的空气供应装置
公开(公告)号：WO2012063276A1
公开(公告)日：2012-05-18
申请号：PCT/JP2010/006542
申请日：2010-11-08
申请人： Husqvarna Zenoah Co., Ltd. , ONO, Ryou , OHNIWA, Takashi
发明人： ONO, Ryou , OHNIWA, Takashi
IPC分类号： F02M9/08
CPC分类号： F02D9/02 , F02M9/08 , F02M17/04
摘要： An air supply device (1) of a stratified scavenging two-cycle engine includes: a mixture passage (40) that penetrates a carburetor (2) and an insulator (3), the mixture passage being provided by a carburetor-side mixture passage (8) and an insulator-side mixture passage (21); a air passage (41) that is provided by a carburetor-side air passage (9) and an insulator-side air passage (22); a throttle valve (13) provided in a single bore (4) of the carburetor (2), the throttle valve(13) being provided by a butterfly valve that rotates in conjunction with a throttle operation; and a flow rate regulator (28) provided inside the air passage (41), the flow-rate regulator (28) bulging inward in the air passage (41). At least a part of a periphery of a valve body (17) of the throttle valve is close to the flow-rate regulator (28) until the valve body (17) is rotated from an initial position corresponding to an idling speed at a predetermined rotation angle.
摘要翻译：分层扫气二冲程发动机的供气装置（1）包括：渗透化油器（2）和绝缘体（3）的混合通道（40），混合通道由化油器侧混合通道 8）和绝缘体侧混合通道（21）; 由化油器侧空气通路（9）和绝缘体侧空气通路（22）构成的空气通路（41）。设置在所述化油器（2）的单个孔（4）中的节流阀（13），所述节流阀（13）由与节气门操作一起旋转的蝶阀提供; 以及设置在所述空气通路（41）的内部的流量调节器（28），所述流量调节器（28）在所述空气通路（41）内向内膨胀。节流阀的阀体（17）的周边的至少一部分靠近流量调节器（28），直到阀体（17）从对应于预定的空转速度的初始位置旋转旋转角度。

3. 发明申请

WO2012140687A1 CHOKE STRUCTURE OF HANDHELD WORK TOOL 审中-公开
标题翻译：选择手工工具的结构
公开(公告)号：WO2012140687A1
公开(公告)日：2012-10-18
申请号：PCT/JP2011/002128
申请日：2011-04-11
申请人： HUSQVARNA AB , ONO, Ryou
发明人： ONO, Ryou
IPC分类号： F02D11/02 , F02M1/02
CPC分类号： F02M1/02 , F02D11/02
摘要： A choke structure of a handheld work tool, includes: an engine; a carburetor (5) attached to the engine; an air cleaner (6) attached to the carburetor (5); a choke valve (52) rotatably provided in the carburetor (5); a rotary piece (53) provided to a rotary shaft of the choke valve (52); and a pull knob (80) for choke control provided on the air cleaner (6) in such a manner as to be pulled and pushed, in which the rotary piece (53) is provided with a first converter (55) and the pull knob (80) is provided with a second converter (85), when the pull knob (80) is pushed or pulled, a linear movement of the pull knob (80) is converted into a rotary movement of the choke valve (52) through the first and second converters (55, 85), and the first and second converters (55, 85) directly contact with each other.
摘要翻译：一种手持式作业工具的扼流结构，包括：发动机; 安装在发动机上的化油器（5）安装在化油器（5）上的空气滤清器（6）可旋转地设置在化油器（5）中的阻流阀（52）; 设置在所述阻流阀（52）的旋转轴上的旋转片（53）。以及设置在空气滤清器（6）上的被拉动和推动的用于扼流控制的拉手（80），其中旋转件（53）设置有第一转换器（55）和拉手（80）设置有第二转换器（85），当所述拉手（80）被推动或拉动时，所述拉手（80）的线性运动被转换成所述阻塞阀（52）的旋转运动第一和第二转换器（55,85），并且第一和第二转换器（55,85）彼此直接接触。

4. 发明申请

WO2007077971A1 CARBURETOR 审中-公开
标题翻译：化油器
公开(公告)号：WO2007077971A1
公开(公告)日：2007-07-12
申请号：PCT/JP2006/326395
申请日：2006-12-27
申请人： KOMATSU ZENOAH CO. , OONIWA, Takashi , ONO, Ryou
发明人： OONIWA, Takashi , ONO, Ryou
IPC分类号： F02M1/08 , F02M1/04 , F02M9/08
CPC分类号： F02M1/04 , F02M1/08
摘要： A carburetor 1 includes: an intake passage 21 for allowing intake air to an engine to flow therethrough; a fuel storage section 22 for storing fuel from a fuel tank; a starting fuel supply passage 30 for supplying starting fuel from the fuel storage section 22 to the intake passage 21; and a solenoid valve 3 provided in the middle of the starting fuel supply passage 30. At least a part of the starting fuel supply passage 30 between a fuel intake portion 31 and the intake passage 21 is formed in a straight line. Thus, pressure loss of the fuel between the fuel intake portion 31 and the intake passage 21 is suppressed, so that the fuel can be easily extracted to the intake passage 21 by the negative pressure generated in the intake passage 21without stagnating. Accordingly, the optimal amount of the starting fuel can be supplied to the engine when the engine is cold, so that the startability of an engine can be secured.
摘要翻译：化油器1包括：进气通道21，用于允许发动机的进气流过其中; 用于从燃料箱储存燃料的燃料储存部分22; 起动燃料供给通路30，用于将起动燃料从燃料存储部22供给到进气通路21; 以及设置在起动燃料供给通路30的中途的电磁阀3.在燃料吸入部31和进气通路21之间的起动燃料供给路30的至少一部分形成为直线。因此，燃料吸入部31与进气通路21之间的燃料的压力损失被抑制，从而能够通过在进气通路21中产生的负压而容易地将燃料提取到进气通路21而不停滞。因此，当发动机冷时，起动燃料的最佳量可供给发动机，从而能够确保发动机的起动性。

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