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公开(公告)号：US06378467B1
公开(公告)日：2002-04-30
申请号：US09603081
申请日：2000-06-26
IPC分类号： F01P102
CPC分类号： F01P5/06 , F01P1/02 , F02B63/02 , F02B2075/025
摘要： A portable power working machine which is provided with an internal combustion engine (20) and is designed to minimize the clogging of an air cleaner (31) attached to the air intake system of internal combustion engine (20). For this purpose, part of air introduced into the main housing (12) by means of the cooling fan (25) is allowed to be sucked again by the cooling fan, thereby enabling it to be recirculated through the carburetor chamber (40) and a circulating air duct (50) disposed outside the carburetor chamber (40), and at the same time, part of air introduced into the carburetor chamber (40) is allowed to be introduced from the air cleaner (31) into the internal combustion engine (20).
摘要翻译： 一种便携式动力工作机，其具有内燃机（20），其设计成使附着在内燃机（20）的进气系统上的空气滤清器（31）的堵塞最小化。 为此，允许通过冷却风扇（25）引入主壳体（12）的一部分空气被冷却风扇再次吸入，从而使其能够通过化油器室（40）再循环，并且 设置在化油器室（40）外部的循环空气管道（50），并且同时引入到化油器室（40）的空气的一部分被允许从空气滤清器（31）引入内燃机（ 20）。
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2.发明授权
公开(公告)号：US6079374A
公开(公告)日：2000-06-27
申请号：US122110
申请日：1998-07-24
申请人： Takayuki Yamamoto , Hiroji Kawasaki
发明人： Takayuki Yamamoto , Hiroji Kawasaki
CPC分类号： F01P11/12
摘要： A debris entry preventing member A of an air-cooled type internal combustion engine E is made of a flexible sheet material as a whole and includes a mounting portion 7 to be mounted on a mounting component 15, which will be attached to the internal combustion engine E, and a debris capturing portion 4 having a multiplicity of ventilation holes 5. When the mounting component 15 is attached to the internal combustion engine E, the debris entry preventing member A is mounted thereon together with the mounting component 15 so that the debris capturing portion 4 covers a cooling air intake port 11. As a result, a job for mounting the debris entry preventing member can be easily carried out, no screws and the like are needed for mounting it, the debris entry preventing member can be easily manufactured and its cost can be reduced. Accordingly, the debris entry preventing member contributes to the reduction of weight of the air-cooled type internal combustion engine and a portable working machine on which the air-cooled type internal combustion engine is mounted as a power source.
摘要翻译： 风冷式内燃机E的碎片入口防止部件A由柔性片材整体制成，并且包括安装在安装部件15上的安装部分7，安装部件7将附接到内燃机 E和具有多个通气孔5的碎片捕获部分4.当将安装部件15安装到内燃机E上时，碎屑进入防止部件A与安装部件15一起安装在其上，使得碎片捕获 部分4覆盖冷却空气进入口11.结果，可以容易地执行用于安装防碎片入口部件的作业，不需要安装螺钉等，可以容易地制造防碎片入口部件， 其成本可以降低。 因此，防碎屑入口构件有助于减小风冷式内燃机的重量和作为电源安装风冷式内燃机的便携式工作机。
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公开(公告)号：US5727506A
公开(公告)日：1998-03-17
申请号：US755032
申请日：1996-11-22
申请人： Katsuya Tajima , Hiroaki Koga , Hiroji Kawasaki
发明人： Katsuya Tajima , Hiroaki Koga , Hiroji Kawasaki
CPC分类号： F02F1/002 , F02B63/02 , F02F7/0039 , F02B2075/025
摘要： To avoid stalling of a two-stroke internal combustion engine as its orientation is changed upon a change of direction in which a working machine such as a chain saw is held, non-atomized fuel is prevented from flowing precipitously into the combustion chamber of the engine. The engine comprises a crank case forming a crank chamber which has an intake port opening into the crank chamber, and a flow control feature at the circumferential inner surface of the crank chamber in the vicinity of the intake port for retarding flow of non-atomized fuel.
摘要翻译： 为了避免二冲程内燃机的停止，因为其方向在保持诸如链锯的工作机器的方向改变时改变，防止非雾化燃料急剧地流入发动机的燃烧室 。 发动机包括形成曲柄室的曲柄箱，该曲柄室具有通向曲柄室的进气口，以及在进气口附近的曲轴室的周向内表面处的流量控制特征，用于延迟非雾化燃料的流动 。
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公开(公告)号：US5526777A
公开(公告)日：1996-06-18
申请号：US319115
申请日：1994-10-06
申请人： Toshio Taomo , Hiroaki Koga , Yoshiaki Nagao , Hiroji Kawasaki , Tsutomu Ogata
发明人： Toshio Taomo , Hiroaki Koga , Yoshiaki Nagao , Hiroji Kawasaki , Tsutomu Ogata
IPC分类号： B27B17/00 , F01P5/06 , F02B1/04 , F02B63/00 , F02B63/02 , F02M35/022 , F02M35/06 , F02M35/08 , F02M35/10 , F01P1/02
CPC分类号： F02B63/02 , B27B17/00 , F02M35/022 , F02M35/06 , F02M35/08 , F02B1/04 , Y10S55/14 , Y10S55/28
摘要： An air path is provided in the main body of a chain saw so as to connect an air inlet port provided on the main body and a carburetor chamber of the internal combustion engine and also connected to a cooling fan chamber. For use under normal conditions, combustion air is taken from the air inlet port into the carburetor chamber. In case of a rainy or snowy day, the air inlet port is closed and combustion air is taken from the cooling chamber into the carburetor chamber, air control means is provided between the air path and the cooling fan chamber. This air control means generates stagnation of air flow in the cooling chamber in order to supply air into the carburetor chamber and prevent dust and the like from being taken into the air path.
摘要翻译： 在链锯的主体中设置有一个空气通道，以连接设置在主体上的空气入口和内燃机的化油器室，并连接到冷却风扇室。 为了在正常条件下使用，燃烧空气从空气入口进入化油器室。 在下雨天或下雪天的情况下，进气口关闭，燃烧空气从冷却室进入化油器室，空气控制装置设置在风道和冷却风扇室之间。 这种空气控制装置在冷却室中产生气流的停滞，以便向化油器室供应空气，并防止灰尘等被吸入空气通道。
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公开(公告)号：US06679217B2
公开(公告)日：2004-01-20
申请号：US10086065
申请日：2002-02-28
申请人： Seiichi Nieda , Hideki Hashiba , Hiroji Kawasaki , Junichi Akaike
发明人： Seiichi Nieda , Hideki Hashiba , Hiroji Kawasaki , Junichi Akaike
IPC分类号： F02N100
摘要： A recoil starter wherein unidirectional rotating means is enabled to sustain a larger magnitude of torque, obviating the employment of parts which are high in mechanical strength, in rigidity and in working precision, thus making it possible to reduce the weight and the manufacturing cost thereof. The recoil starter includes a driving member, a driven member, and buffering/power-accumulating means interposed between the driving member and the driven member. The buffering/power-accumulating means is enabled, during the driving process, to accumulate the power supplied through the driving process while alleviating impact to the driven member. The accumulated power is subsequently employed to drive the driven member. The recoil starter includes a spiral spring mechanism having a housing adjacent to the driving member, an actuating pulley adjacent to the driven member, a buffering/power-accumulating member interposed between the housing and the actuating pulley, and unidirectional rotating means for permitting rotation of the housing unidirectionally in a driving direction, where the unidirectional rotating means is disposed on the outer peripheral side of the spring housing.
摘要翻译： 一种反冲起动器，其中单向旋转装置能够承受更大幅度的扭矩，从而避免了使用机械强度高，刚性和加工精度高的部件，从而可以减轻其重量和制造成本。 反冲起动器包括驱动构件，从动构件以及插入在驱动构件和从动构件之间的缓冲/蓄电装置。 缓冲/蓄电装置在驱动过程中能够累积通过驱动过程提供的电力，同时减轻对被驱动构件的冲击。 随后采用累积功率来驱动从动构件。 反冲起动器包括螺旋弹簧机构，其具有与驱动构件相邻的壳体，与从动构件相邻的致动带轮，插入在壳体和致动带轮之间的缓冲/蓄电构件和用于允许旋转的单向旋转装置 所述壳体在驱动方向上单向地，其中所述单向旋转装置设置在所述弹簧壳体的外周侧。
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公开(公告)号：US06588390B2
公开(公告)日：2003-07-08
申请号：US09863504
申请日：2001-05-23
申请人： Hiroji Kawasaki , Junichi Akaike
发明人： Hiroji Kawasaki , Junichi Akaike
IPC分类号： F02N100
摘要： A recoil starter includes a rotary driving member that is adapted to be rotated by pulling a recoil rope and an interlocking rotary member that is adapted to be rotated independently of the rotary driving member. A buffering spring is coupled between the rotary driving member and the interlocking rotary member. The buffering spring, which may be a torsion coil spring or a spiral spring, applies a rotational bias between the rotary driving member and the interlocking rotary member and is adapted to transmit the rotation of the rotary driving member to the interlocking rotary member.
摘要翻译： 反冲起动器包括旋转驱动构件，该旋转驱动构件适于通过拉动反冲绳而旋转;以及互锁旋转构件，其适于独立于旋转驱动构件旋转。 缓冲弹簧联接在旋转驱动构件和互锁旋转构件之间。 可以是扭转螺旋弹簧或螺旋弹簧的缓冲弹簧在旋转驱动构件和互锁旋转构件之间施加旋转偏压，并且适于将旋转驱动构件的旋转传递到互锁旋转构件。
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公开(公告)号：US5447129A
公开(公告)日：1995-09-05
申请号：US337449
申请日：1994-11-08
CPC分类号： F02M35/1019 , F02B63/02 , F02M15/06 , F02M35/10032 , F02M35/10085 , F02M35/1017 , F02M35/10196 , F02M35/10268 , F02B1/04 , F02B2075/025 , F02M35/10321
摘要： An adiabatic intake insulator inserted into a portion for connecting a carburetor to a small two-cycle gasoline engine or the like in which the generation of cracks due to stress concentration when bolts are fastened are restrained and the looseness of the fastening member due to the shortage of fastening torque is prevented. The intake insulator comprises: portions for supporting and securing a carburetor; an intake passage through which air-fuel mixture from the carburetor is introduced to the engine; portions for securing the intake insulator to the engine each comprising a through hole for a bolt and a counterbore for accommodating a head of the bolt; and a channel formed on a circumference of a bottom of the counterbore.
摘要翻译： 插入到用于将化油器连接到小型双循环汽油发动机等的部分中的绝热进气绝缘体被限制，其中当紧固螺栓时由于应力集中而产生裂纹，并且紧固构件由于短缺而松动 防止紧固扭矩。 进气绝缘体包括：用于支撑和固定化油器的部分; 来自化油器的空气混合物引入发动机的进气通道; 用于将进气绝缘体固定到发动机的部分，每个发动机包括用于螺栓的通孔和用于容纳螺栓的头部的沉孔; 以及形成在沉孔的底部的圆周上的通道。
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公开(公告)号：US5214864A
公开(公告)日：1993-06-01
申请号：US821785
申请日：1992-01-16
申请人： Takanobu Tasaki , Hiroji Kawasaki
发明人： Takanobu Tasaki , Hiroji Kawasaki
摘要： The prime mover of a chain saw has an output shaft passing through the body of an oil pump. A fixing screw is inserted through an inserting hole provided in the body and is screwed into a threaded hole provided on the side of the prime mover. A cover plate, covering the area tip of the output shaft, is press fit onto the output shaft. The inserting hole is made as a threaded hole having a diameter through which the fixing screw is freely insertable but is also adapted to receive a removing screw which is larger in diameter than the fixing screw, and which abuts against the side of the prime mover. As a result, the inserting hole can be used in common also as the oil pump removing screwed hole and no extra removing screwed hole is required to be provided.
摘要翻译： 链锯的原动机具有穿过油泵主体的输出轴。 固定螺钉通过设置在本体中的插入孔插入并拧入设置在原动机一侧的螺纹孔中。 覆盖输出轴的区域顶端的盖板压配合到输出轴上。 插入孔被制成具有直径的螺纹孔，固定螺钉可自由地插入该直径，但是也适于容纳直径大于固定螺钉的移除螺钉，并且它们抵靠原动机的一侧。 结果，插入孔也可以作为油泵拆卸用螺纹孔共同使用，并且不需要设置额外的移除螺纹孔。
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公开(公告)号：US06508220B1
公开(公告)日：2003-01-21
申请号：US09639561
申请日：2000-08-16
IPC分类号： F02N302
摘要： A starter that is capable of minimizing fluctuations in the pulling force of a starter rope so as to make it possible to perform a smooth pulling operation when starting an internal combustion engine includes a driving section (A), a driven section (B), and a buffering/power-accumulating device (15) interposed between the driving section (A) and the driven section (B).
摘要翻译： 能够使启动绳索的拉力的波动最小化的启动器，以便能够在起动内燃机时进行平稳的拉动动作，具有驱动部（A），从动部（B）和 介于驱动部分（A）和驱动部分（B）之间的缓冲/蓄电装置（15）。
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