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    Air Leading-Type Stratified Scavenging Two-Stroke Internal-Combustion Engine
    3.
    发明申请
    Air Leading-Type Stratified Scavenging Two-Stroke Internal-Combustion Engine 有权
    空气引导型分层扫气二冲程内燃机

    公开(公告)号：US20160097343A1

    公开(公告)日：2016-04-07

    申请号：US14873273

    申请日：2015-10-02

    申请人： Yamabiko Corporation

    发明人： Takahiro Yamazaki ,  Takamasa Otsuji ,  Hidekazu Tsunoda

    IPC分类号： F02F3/24 ,  F02F7/00 ,  F02B75/16 ,  F02F1/22 ,  F02B25/14 ,  F02B75/02

    CPC分类号： F02F3/24 ,  F02B25/02 ,  F02B25/14 ,  F02B75/02 ,  F02B75/16 ,  F02B2075/025 ,  F02F1/22 ,  F02F7/0004

    摘要： The certainty of supplying air to a scavenging channel through a piston groove is improved. In a cylinder wall 2, a gas venting port 10 is formed below and adjacent to a scavenging port 6a. The gas venting port 10 is independent from the scavenging port 6a, and is opened/closed by a piston as each of an air port 4a and the scavenging port 6a is. Upon a piston groove 8 being brought into communication with the gas venting port 10 as a result of the piston moving up (FIG. 1(II)), blown-back gas in a piston groove 8 can move to a crankcase through the gas venting port 10. Along with this, air can enter the piston groove 8 from the air port 4a.

    摘要翻译： 提高了通过活塞槽向扫气通道供气的确定性。 在气缸壁2中，气体排出口10形成在清扫口6a的下方并与其相邻。 气体排出口10独立于扫气口6a，并且由空气口4a和扫气口6a中的每一个由活塞打开/关闭。 在活塞向上移动的活塞槽8与气体排出口10连通的情况下（图1（II）），活塞槽8中的回吹气体可以通过排气口移动到曲轴箱 与此同时，空气可以从空气口4a进入活塞槽8。

    Rotary carburetor for two-stroke internal combustion engine
    4.
    发明授权
    Rotary carburetor for two-stroke internal combustion engine 有权

    公开(公告)号：US10024224B2

    公开(公告)日：2018-07-17

    申请号：US15346745

    申请日：2016-11-09

    申请人： YAMABIKO CORPORATION

    发明人： Takahiro Yamazaki ,  Shirou Yamaguchi ,  Takamasa Otsuji ,  Hidekazu Tsunoda

    IPC分类号： F02B25/00 ,  F02B25/22 ,  F02B75/02 ,  F02M9/08 ,  F02M35/10 ,  F02M35/108 ,  F02B25/14 ,  F02B33/04

    摘要： To allow an intake negative pressure to directly act on a fuel outlet formed on a nozzle tube, and to guide a fuel discharged from the fuel outlet in the nozzle tube to the fuel-air mixture passage. A rotary carburetor (200) has a guide plate member (42) downstream of a fuel outlet (30) located in a through-hole (14). The guide plate member (42) has both side edges (42b) away from an inner wall surface (14a) of the through-hole (14). The through-hole (14) is divided by the guide plate member (42) into a first passage portion (44) and a second passage portion (46). The first passage portion (44) communicates through a piston groove with a scavenging passage of a cylinder. The fuel discharged from the fuel outlet (30) is guided by the guide plate member (42) to the second passage portion (46) and is supplied through the second passage portion (46) to a fuel-air mixture passage (24) of an engine intake system.

    Carburetor For Stratified Scavenging Two-Stroke Engine
    7.
    发明申请
    Carburetor For Stratified Scavenging Two-Stroke Engine 有权
    用于分层扫气二冲程发动机的化油器

    公开(公告)号：US20150337764A1

    公开(公告)日：2015-11-26

    申请号：US14715623

    申请日：2015-05-19

    申请人： Yamabiko Corporation

    发明人： Shirou Yamaguchi ,  Takamasa Otsuji

    IPC分类号： F02M17/12 ,  F02M35/10

    CPC分类号： F02M17/12 ,  F02B17/00 ,  F02B25/02 ,  F02B25/16 ,  F02B25/20 ,  F02B25/22 ,  F02B63/02 ,  F02M11/02 ,  F02M19/00 ,  F02M35/1019 ,  F02M35/10196 ,  F02M35/10255 ,  F02M35/10262 ,  F02M35/108 ,  Y02T10/146

    摘要： The present invention is to prevent mixing of fresh air and an air-fuel mixture when a throttle valve is fully opened and increase a delivery ratio. A main nozzle (30) is surrounded by a tunnel-like air flow guiding member (52). The air flow guiding member (52) is opened at its front and back sides. A whole amount of fuel discharged via a main nozzle (30) is sent to a downstream side by an air flow created by the air flow guiding member (52). When a throttle valve (22) and a choke valve (24) are both in a fully-opened state, fresh air flows into an air-fuel mixture passage (12) through a gap between these valves (22, 24).

    摘要翻译： 本发明是为了在节流阀完全打开时防止新鲜空气和空气 - 燃料混合物的混合，并增加输送比。 主喷嘴（30）被隧道状气流引导构件（52）包围。 气流引导构件（52）在其前侧和后侧开口。 通过主喷嘴（30）排出的全部燃料通过由气流引导构件（52）产生的空气流被送到下游侧。 当节流阀（22）和阻风门（24）都处于完全打开状态时，新鲜空气通过这些阀（22,24）之间的间隙流入空气 - 燃料混合物通道（12）。