公开(公告)号：US20200248651A1

公开(公告)日：2020-08-06

申请号：US16782071

申请日：2020-02-05

申请人： YAMABIKO CORPORATION

发明人： Yuta KOBAYASHI ,  Takahiro YAMAZAKI

IPC分类号： F02M1/16 ,  F02M17/04

摘要： Provided is a starting-fuel supply device, including: a starting-fuel supply valve configured to automatically add a starting fuel to an air-fuel mixture generated by a carburetor; and a valve chamber for the starting-fuel supply valve, wherein a fuel in a fuel tank is allowed to move to an intake passage through the valve chamber for the starting-fuel supply valve with use of a manual pump configured to suck up the fuel in the fuel tank into a carburetor before start of an engine, and wherein the valve chamber is disposed at a position below the intake passage when the engine is in a stored state.

公开(公告)号：US20160153346A1

公开(公告)日：2016-06-02

申请号：US14934719

申请日：2015-11-06

申请人： YAMABIKO CORPORATION

发明人： Hisato OHSAWA ,  Takahiro YAMAZAKI ,  Hidekazu TSUNODA

IPC分类号： F02B25/20 ,  F02M7/06

CPC分类号： F02B25/20 ,  F02B25/22 ,  F02M7/06 ,  F02M13/021 ,  F02M35/10085 ,  F02M35/1019 ,  F02M35/10196 ,  F02M35/10314

摘要： A suction tube unit connected between a cylinder block and a carburetor in a stratified scavenging engine has a suction tube for mixture made of an elastic material; and a suction tube for stratified scavenging air made of an elastic material. The suction tube for mixture and the suction tube for air have, at respective inlet ends connected to the carburetor, respective wall portions which face each other and have complementary shapes. A clearance space is provided between the wall portions of the suction tube for mixture and the suction tube for air.

摘要翻译： 在分层清扫发动机中连接在气缸体和化油器之间的吸入管单元具有由弹性材料制成的混合物的吸入管; 以及由弹性材料制成的用于分层扫气的吸气管。 用于混合物的吸入管和用于空气的吸入管在连接到化油器的相应入口端处具有彼此面对并具有互补形状的相应壁部。 在用于混合物的吸入管的壁部分和用于空气的吸入管之间设置有间隙空间。

公开(公告)号：US20230193811A1

公开(公告)日：2023-06-22

申请号：US18080769

申请日：2022-12-14

申请人： YAMABIKO CORPORATION

发明人： Takahiro YAMAZAKI ,  Ken SHIRAI ,  Hisato ONODERA ,  Koichirou OGURA

IPC分类号： F02B25/14 ,  F02B75/02 ,  F02B17/00 ,  F02F1/22

CPC分类号： F02B25/14 ,  F02B75/02 ,  F02B17/00 ,  F02F1/22 ,  F02B2075/025

摘要： A Schnuerle scavenging two-stroke engine is provided that can keep combustion stability in a wide rotation speed range while suppressing blow-by. The engine of the present invention is a Schnuerle scavenging two-stroke engine (2). A scavenging passage (14(in1)) related to at least one scavenging port (16(in1)) has, at its upper end portion (14a(in1)), an intake-side wall surface (204). The intake-side wall surface (204) defines a first flow direction (42) of scavenging gas discharged from the scavenging port (16(in1)) at a height level of the scavenging port (16(in1)). The upper end portion (14a(in1)) of the scavenging passage (14(in1)) related to the scavenging port (16(in1)) has a guide portion (50) defining a second flow direction (44) of scavenging gas discharged from the scavenging port (16(in1)). The second flow direction (44) is deflected to the intake side from the first flow direction (42) at the height level of the scavenging port (16(in1)).

公开(公告)号：US20160377035A1

公开(公告)日：2016-12-29

申请号：US15189012

申请日：2016-06-22

申请人： YAMABIKO CORPORATION

发明人： Hisato OSAWA ,  Takahiro YAMAZAKI ,  Hidekazu TSUNODA ,  Yuuta KOBAYASHI

IPC分类号： F02M35/024 ,  F02B25/14 ,  F02M35/10 ,  F02B75/02 ,  F02B17/00

CPC分类号： F02M35/02433 ,  F02B17/00 ,  F02B25/04 ,  F02B25/14 ,  F02B25/20 ,  F02B2075/025 ,  F02M35/024 ,  F02M35/02483 ,  F02M35/1017 ,  F02M35/1019 ,  F02M35/10196 ,  F02M35/108

摘要： To improve the effect of preventing contamination of an element in an air cleaner. An air cleaner includes a first inlet (60) through which air is fed to an intake system air passage and a second inlet (62) through which air is fed to an intake system air-fuel mixture passage. An extended passage (72) leads to the second inlet (62), for example. A passage forming member (70, 204) forming the extended passage (72) is shaped to surround a periphery of the first inlet (60). The passage forming member (70, 204) forms a blown-back fuel diffusion preventing region (74) leading to the first inlet (60).

摘要翻译： 以提高防止空气净化器中的元件污染的效果。 空气净化器包括第一入口（60），空气通过所述第一入口供给到进气系统空气通道和第二入口（62），空气通过所述第二入口供给到进气系统空气 - 燃料混合物通道。 延伸通道（72）例如通向第二入口（62）。 形成延伸通道（72）的通道形成构件（70,204）成形为包围第一入口（60）的周边。 通道形成构件（70,204）形成通向第一入口（60）的吹回燃料扩散防止区域（74）。

公开(公告)号：US20150102511A1

公开(公告)日：2015-04-16

申请号：US14511385

申请日：2014-10-10

申请人： YAMABIKO CORPORATION ,  ZAMA JAPAN Co., Ltd.

发明人： Takahiro YAMAZAKI ,  Hisato ONODERA ,  Takumi NONAKA ,  Kazuyuki TATEYANAGI

IPC分类号： F02M9/08 ,  F02B75/02 ,  F02B17/00

CPC分类号： F02M9/08 ,  F02B17/00 ,  F02B25/22 ,  F02B75/02 ,  F02B2075/025 ,  F02M9/06 ,  F02M9/085 ,  F02M9/12 ,  F02M17/10 ,  F02M19/00

摘要： In a carburetor, three downstream body passages in the body communicate with three valve passages in the valve element, and the valve element rotates between a closed position and an opened position. The carburetor is a one-bore type carburetor in which the body passages and the valve passages are respectively partitioned with the body partitions and the valve partitions. When rotating the valve element from the closed position to the opened position, the second body passage and the second valve passage for mixture start to communicate in advance than the first and third body passages and the first and third valve passages for air.

摘要翻译： 在化油器中，主体中的三个下游体通道与阀元件中的三个阀通道连通，并且阀元件在关闭位置和打开位置之间旋转。 化油器是单孔式化油器，其中主体通道和阀通道分别与主体隔板和阀隔板隔开。 当将阀元件从关闭位置旋转到打开位置时，混合物的第二主体通道和第二阀通道预先比第一和第三主体通道以及用于空气的第一和第三阀通道开始连通。

公开(公告)号：US20220325659A1

公开(公告)日：2022-10-13

申请号：US17765843

申请日：2020-09-24

申请人： YAMABIKO CORPORATION

发明人： Yuta KOBAYASHI ,  Takahiro YAMAZAKI

IPC分类号： F02B25/20 ,  F02M7/12 ,  F02D41/04

摘要： Provided is an air leading type stratified scavenging two-stroke internal combustion engine including an air passage configured to allow supply of air to a scavenging passage configured to allow communication between a crank chamber and a combustion chamber, at least one sensor configured to detect an operating condition of an engine, and a fuel valve configured to control fuel supply to the air passage based on detection performed by the at least one sensor. The fuel supply to the air passage is controlled by the fuel valve at times other than start and idling of the engine or at needed times in addition to the start or the idling of the engine.

公开(公告)号：US20160376979A1

公开(公告)日：2016-12-29

申请号：US15189013

申请日：2016-06-22

申请人： YAMABIKO CORPORATION

发明人： Hisato OSAWA ,  Takahiro YAMAZAKI ,  Hidekazu TSUNODA ,  Yuuta KOBAYASHI

IPC分类号： F02B17/00 ,  F02M35/10 ,  F02M35/024 ,  F02B75/02

摘要： An amplitude of a pressure fluctuation in a vicinity of a main nozzle of a carburetor (32) is decreased. An air cleaner (30) has a first inlet (60) that feeds air to an intake system air channel, and a second inlet (62) that feeds air to an intake system air-fuel mixture channel. A channel formation member (70) is attached to the second inlet (62). A channel length (L2) of an extension channel (72) formed by the channel formation member (70) is 110 mm or more.

摘要翻译： 化油器（32）的主喷嘴附近的压力波动的振幅减小。 空气滤清器（30）具有将空气供给到进气系统空气通道的第一入口（60）和将空气供给到进气系统空气 - 燃料混合通道的第二入口（62）。 通道形成构件（70）附接到第二入口（62）。 由通道形成构件（70）形成的延伸通道（72）的通道长度（L2）为110mm以上。

公开(公告)号：US20240301955A1

公开(公告)日：2024-09-12

申请号：US18411108

申请日：2024-01-12

申请人： YAMABIKO CORPORATION

发明人： Takahiro YAMAZAKI ,  Yuta ONUMA ,  Tamotsu SAITO ,  Tomoyoshi KUDO ,  Ryosuke IMAI

IPC分类号： F16K1/42 ,  F02M37/00 ,  F16K31/06

CPC分类号： F16K1/42 ,  F02M37/0017 ,  F16K31/0655

摘要： A movable valve element (24) is comprised of a valve member (22) and a leaf spring (26). A passage forming member (12) is securely fixed to a valve chamber forming member (10) that forms a valve chamber (S). The passage forming member (12) has a fluid passage (14) extending from one end to the other end thereof, with the one end (14a) of the fluid passage (14) constituting an outlet port of the valve chamber (S). The passage forming member (12) has an O-ring (20) surrounding and spaced apart from the outlet port (14a), the O-ring (20) constituting a valve seat. Spring force of the leaf spring (26) brings the valve member (22) into pressure contact with the O-ring (20), to form a closed valve state.

公开(公告)号：US20230017963A1

公开(公告)日：2023-01-19

申请号：US17842823

申请日：2022-06-17

申请人： YAMABIKO CORPORATION

发明人： Kenta ITO ,  Takahiro YAMAZAKI ,  Shouta GENBA ,  Takahiro KINOSHITA

IPC分类号： F02B25/14 ,  F02F1/22 ,  F02B33/04

摘要： An engine (2) is a four-flow scavenging type engine. Four scavenging ports (34) include: first right and left scavenging ports (34(lef-1) and 34(ref-1)) that lie on a side relatively away from an exhaust port (22) and that lie facing each other with a cylinder (4) in between; and second right and left scavenging ports (34(lef-2) and 34(ref-2)) that lie closer to the exhaust port (22) than first right and left scavenging ports do and that lie facing each other with the cylinder (4) in between. The second left scavenging port and the first right scavenging port that make up a first mutually diagonal set (Diag-No.1) have different opening timings from those of the first left scavenging port and the second right scavenging port that make up a second mutually diagonal set (Diag-No.2).

公开(公告)号：US20170030232A1

公开(公告)日：2017-02-02

申请号：US15209904

申请日：2016-07-14

申请人： YAMABIKO CORPORATION

发明人： Takahiro YAMAZAKI ,  Ken SHIRAI ,  Shunsuke UEDA ,  Kenta ITO

IPC分类号： F01M5/00 ,  F01M1/02

CPC分类号： F01M5/002 ,  F01M1/02 ,  F01P1/06 ,  F01P5/02 ,  F02B63/02

摘要： An engine-driven working machine has an engine unit, a housing, and a vaned rotor. An air passage is defined between a crankcase of the engine unit and a bottom wall of the housing. The air passage has an inlet opening provided near an oil seal on a drive-side shaft, and an outlet opening provided in a magnet-side wall so as to face the vaned rotor. Rotations of the vaned rotor cause airflow from the inlet opening through the air passage to the outlet opening.

摘要翻译： 发动机驱动的作业机具有发动机单元，壳体和转子。 空气通道限定在发动机单元的曲轴箱和壳体的底壁之间。 空气通道具有设置在驱动侧轴上的油封附近的入口，以及设置在磁铁侧壁中的面向所述转子的出口。 叶轮转子的旋转使得从入口通过空气通道到出口的气流。