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1. 发明授权

US06643939B2 Chain saw with vibration-isolating devices 失效
标题翻译：链锯带防振装置
公开(公告)号：US06643939B2
公开(公告)日：2003-11-11
申请号：US10013519
申请日：2001-12-13
申请人： Katsuya Tajima , Hisato Ohsawa , Masato Nara
发明人： Katsuya Tajima , Hisato Ohsawa , Masato Nara
IPC分类号： B27B1702
CPC分类号： B27B17/0033
摘要： A chain saw with vibration-isolating devices, capable of providing a desirable vibration-isolating effect over a wide frequency range and reducing accidental deviation from a desired cutting line in a cutting operation. The chain saw includes a main body containing an engine, a frame member mounting a grip handle thereon, and at least two vibration-isolating devices each interposed between the main body and the frame member to support the main body with respect to the frame member. Two of the vibration-isolating devices are disposed spaced apart from each other in the longitudinal direction of the chain saw. Each of the two vibration-isolating devises includes a pair of first and second vibration=isolating members which are different in frequency range for providing a vibration-isolating effect. The two vibration-isolating devices are disposed such that the respective first or second vibration-isolating members are positioned in a first or second diagonal relationship with respect to one another.
摘要翻译：一种具有隔振装置的链锯，能够在宽的频率范围内提供期望的隔振效果，并减少在切割操作中与期望的切割线的意外偏差。链锯包括一个包含发动机的主体，一个在其上安装把手的框架件和至少两个隔离装置，每个隔离装置插入在主体和框架件之间，以支撑主体相对于框架件。两个防振装置在链锯的纵向上彼此间隔开设置。两个隔振装置中的每一个包括一对第一和第二振动=隔离构件，其在频率范围上不同以提供隔振效果。这两个防振装置被设置成使得相应的第一或第二防振构件相对于彼此以第一或第二对角关系定位。

2. 发明授权

US06871623B2 Working machine having a single operation unit 有权
标题翻译：工作机具有单个操作单元
公开(公告)号：US06871623B2
公开(公告)日：2005-03-29
申请号：US10273287
申请日：2002-10-18
申请人： Hisato Ohsawa , Katsuya Tajima , Fujio Kobayashi
发明人： Hisato Ohsawa , Katsuya Tajima , Fujio Kobayashi
IPC分类号： A01G3/08 , F02D9/02 , F02D11/02 , F02M1/02 , F02M1/00
CPC分类号： F02M1/02 , F02D11/02
摘要： The present invention provides a working machine having an internal combustion engine. The working machine includes a single operation unit comprised of a rotatable body adapted to be selectively rotated between an engine-stop position, engine-start position and choke-activation position, a valve to be rotated about an rotation shaft, an arm attached to the rotation shaft and a link member adapted to be moved in its longitudinal direction to transmit the movement of the rotatable body to the arm. The link member has a distal end coupled with the arm and a proximal end coupled with the rotatable body, and extends between the distal and proximal ends. The rotatable body is formed with an elongated slot receiving the proximal end therein. When the rotatable body is rotated from the engine-stop position to the engine-start position, the proximal end is allowed to displace relative to the rotatable body along the elongated slot without causing any movement of the link member in the longitudinal direction. When the rotatable body is rotated from the engine-start position to the choke-activation position, the proximal end is restricted in its displacement along the elongated slot so that the link member is moved in the longitudinal direction to transmit the movement of the rotatable body to the arm.
摘要翻译：本发明提供一种具有内燃机的工作机。工作机械包括单个操作单元，该操作单元包括可转动的主体，其适于在发动机停止位置，发动机起动位置和扼流活动位置之间选择性地旋转，围绕旋转轴旋转的阀，旋转轴和适于沿其纵向方向移动的连杆构件，以将可旋转体的运动传递到臂。连杆构件具有与臂联接的远端和与可旋转主体联接的近端，并且在远端和近端之间延伸。可旋转体形成有在其中容纳近端的细长狭缝。当可旋转体从发动机停止位置旋转到发动机起动位置时，允许近端沿着细长槽相对于可旋转体移动，而不引起连杆构件在纵向方向上的任何移动。当可旋转体从发动机起始位置旋转到扼流活动位置时，近端被限制在沿着细长槽的位移，使得连杆构件沿纵向移动以传递可旋转体的运动到手臂。

3. 发明授权

US06647946B2 Working machine having internal combustion engine 失效
公开(公告)号：US06647946B2
公开(公告)日：2003-11-18
申请号：US10109895
申请日：2002-04-01
申请人： Hisato Ohsawa , Katsuya Tajima
发明人： Hisato Ohsawa , Katsuya Tajima
IPC分类号： F02M3510
CPC分类号： F02M35/10078 , F02B63/02 , F02B2075/025 , F02M17/34 , F02M19/00 , F02M19/04 , F02M35/1017 , F02M35/1019 , F02M35/10196 , F02M35/10268 , F02M35/10301 , F02M35/10321
摘要： A carburetor is supported on a casing by the air-fuel mixture discharging port thereof and by the portion of the adjustment screws thereof. A first vibration isolating member is interposed between the casing and the air-fuel mixture discharging port, and a second vibration isolating member is interposed between the casing and the adjustment screws. These vibration preventing members prevent the direction transmission of the vibration of the casing to the carburetor side. A reasonable and compact carburetor support structure can be provided because the air-fuel mixture discharging port and the adjustment screws are intrinsically provided with the carburetor itself.

4. 发明授权

US06378467B1 Portable power working machine 有权
标题翻译：便携式电动工作机
公开(公告)号：US06378467B1
公开(公告)日：2002-04-30
申请号：US09603081
申请日：2000-06-26
申请人： Fujio Kobayashi , Hiroji Kawasaki , Hisato Ohsawa , Katsuya Tajima
发明人： Fujio Kobayashi , Hiroji Kawasaki , Hisato Ohsawa , Katsuya Tajima
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）。

5. 发明授权

US06742623B2 Muffler for internal combustion engine 失效
标题翻译：内燃机消声器
公开(公告)号：US06742623B2
公开(公告)日：2004-06-01
申请号：US10254819
申请日：2002-09-25
申请人： Katsuya Tajima , Sizuo Yamamiya , Fujio Kobayashi
发明人： Katsuya Tajima , Sizuo Yamamiya , Fujio Kobayashi
IPC分类号： F01N108
CPC分类号： F01N13/1872 , F01N1/08 , F01N1/089 , F01N13/002 , F01N13/14 , F01N13/1833 , F01N2240/20 , F01N2450/24 , F01N2470/04 , F01N2470/18 , F01N2590/06 , F02B63/02 , F02B2075/025
摘要： A muffler for an internal combustion engine is disclosed which is capable of effectively enhancing its muffling effect without any substantial increase in size, weight or manufacturing cost. The exhaust gas ejected from an exhaust port of the internal combustion engine is divided in the muffler into at least two flows. The divided exhaust gas flows are subsequently impinged against each other before the divided exhaust gas flows are finally discharged from a final exhaust port to the external atmosphere. More specifically, this muffler comprises an expansion chamber into which the exhaust gas is to be introduced from the exhaust port, and the expansion chamber is provided with at least two impingement openings for enabling the exhaust gas to be divided into at least two exhaust gas flows which are designed to be subsequently impinged against each other.
摘要翻译：公开了一种用于内燃机的消音器，其能够有效地增强其消音效果，而不会大幅度增加尺寸，重量或制造成本。从内燃机的排气口排出的废气在消声器中分成至少两个流。分流废气流在随后的分流废气流最终从最终排气口排放到外部大气之前，彼此撞击。更具体地说，该消音器包括一个膨胀室，废气将从该排气口引入该膨胀室中，并且膨胀室设有至少两个冲击开口，用于使排气能够分成至少两个排气流它们被设计成随后彼此撞击。

6. 发明授权

US5899179A Two-cycle internal combustion engine 失效
标题翻译：双循环内燃机
公开(公告)号：US5899179A
公开(公告)日：1999-05-04
申请号：US986076
申请日：1997-12-05
申请人： Katsunori Sasaki , Katsuya Tajima
发明人： Katsunori Sasaki , Katsuya Tajima
IPC分类号： B27B17/00 , F02B25/16 , F02B33/28 , F02B33/30 , F02B63/02 , F02B75/02 , F02M29/00 , F02M29/04
CPC分类号： F02B33/28 , F02B33/30 , F02M29/04 , F02B2075/025 , F02B63/02
摘要： A two-cycle internal combustion engine including a carburetor, a crankcase provided with a crank chamber and a suction port, an insulator attached to the crankcase and provided with a suction passage for introducing an air-fuel mixture from the carburetor to the suction port, and a reed valve whose proximal end portion is fixed to the insulator so as to allow a free end portion thereof to be optionally press-contacted with the downstream side end face of the insulator, thereby opening or closing the suction passage, wherein a rib is formed on a portion of the downstream side end face of the insulator which is in the vicinity of the free end portion of the reed valve in such a manner as to protrude into the suction port.
摘要翻译：一种双循环内燃机，包括化油器，设置有曲柄室的曲轴箱和吸入口，安装在曲轴箱上并具有用于将空气 - 燃料混合物从化油器引入吸入口的吸入通道的绝缘体，以及一个簧片阀，其近端部分固定在绝缘体上，以便允许其自由端部与绝缘体的下游侧端面压接，从而打开或关闭吸入通道，其中肋是形成在绝缘体的下游侧端面的位于簧片阀的自由端附近的部分上，以便突出到吸入口中。

7. 发明申请

US20060266338A1 General-purpose engine fuel tank fuel vapor treatment system 有权
标题翻译：通用发动机燃油箱燃油蒸汽处理系统
公开(公告)号：US20060266338A1
公开(公告)日：2006-11-30
申请号：US11433480
申请日：2006-05-15
申请人： Souji Kashima , Katsuya Tajima , Eiichi Utsugi , Shosaku Chiba
发明人： Souji Kashima , Katsuya Tajima , Eiichi Utsugi , Shosaku Chiba
IPC分类号： F02M33/02
CPC分类号： F02M37/0082 , B01D2259/4516 , B60K15/03504 , B60K15/0406 , B60K2015/03514 , B60K2015/03547 , F02M25/0854
摘要： A general-purpose engine fuel tank fuel vapor treatment system includes: a canister mounted on a peripheral part of a fuel filler opening of a fuel tank mounted on a general-purpose engine, the canister housing a fuel adsorbent for adsorbing fuel vapor generated in the interior of the fuel tank; and an air vent provided in a tank cap fitted into the filler opening of the fuel tank. The air vent has an inner end opening in the interior of the fuel tank, and an outer end opening to the atmosphere. The canister is connected to the air vent. The interior of the fuel tank is made open to the atmosphere via the canister and the air vent. Thus, need for special piping is eliminated and fuel vapor within the fuel tank is treated while always stably maintaining the interior of the fuel tank at atmospheric pressure.
摘要翻译：通用发动机燃料箱燃料蒸气处理系统包括：安装在安装在通用发动机上的燃料箱的燃料加注口的周边部分上的罐，所述罐容纳用于吸附在所述通用发动机中产生的燃料蒸汽的燃料吸附剂燃油箱内部; 以及设置在装配在燃料箱的加料口中的罐盖内的通风口。该排气口在燃料箱的内部具有一个内端开口，一个向大气开放的外端。罐连接到排气口。燃料箱的内部通过罐和排气口向大气敞开。因此，消除了对特殊管道的需要，同时处理燃料箱内的燃料蒸气，同时始终将燃料箱的内部稳定地保持在大气压力。

8. 发明授权

US5913291A Two-cycle internal combustion engine 失效
标题翻译：双循环内燃机
公开(公告)号：US5913291A
公开(公告)日：1999-06-22
申请号：US987075
申请日：1997-12-09
申请人： Fujio Kobayashi , Katsuya Tajima
发明人： Fujio Kobayashi , Katsuya Tajima
IPC分类号： B27B17/00 , F02B25/16 , F02B33/28 , F02B63/02 , F02B75/02 , F02M29/00
CPC分类号： F02B63/02 , F02B33/28 , F02B2075/025
摘要： A two-cycle internal combustion engine including a carburetor, a crankcase provided with a crank chamber and a suction port, an insulator attached to the crankcase and provided with a suction passage for introducing the air-fuel mixture from the carburetor to the suction port, and a reed valve whose proximal end portion is fixed to the insulator so as to allow a free end portion thereof to be optionally press-contacted with the downstream side end face of the insulator, wherein the downstream side end face of the insulator is slanted by a predetermined angle, while the suction port is contiguously connected with the slanted downstream side end face of the insulator without substantially forming a stepped portion therebetween.
摘要翻译：一种双循环内燃机，包括化油器，设置有曲柄室的曲轴箱和吸入口，附接到曲轴箱的绝缘体，并且设置有用于将空气 - 燃料混合物从化油器引入吸入口的吸入通道，以及一个簧片阀，其近端部固定在绝缘体上，以便允许其自由端部与绝缘体的下游侧端面压接，其中绝缘体的下游侧端面由预定的角度，同时吸入口与绝缘体的倾斜的下游侧端面连续地连接，而基本上不形成台阶部分。

9. 发明授权

US07320314B2 General-purpose engine fuel tank fuel vapor treatment system 有权
标题翻译：通用发动机燃油箱燃油蒸汽处理系统
公开(公告)号：US07320314B2
公开(公告)日：2008-01-22
申请号：US11433480
申请日：2006-05-15
申请人： Souji Kashima , Katsuya Tajima , Eiichi Utsugi , Shosaku Chiba
发明人： Souji Kashima , Katsuya Tajima , Eiichi Utsugi , Shosaku Chiba
IPC分类号： F02M33/02 , F02M33/04
CPC分类号： F02M37/0082 , B01D2259/4516 , B60K15/03504 , B60K15/0406 , B60K2015/03514 , B60K2015/03547 , F02M25/0854
摘要： A general-purpose engine fuel tank fuel vapor treatment system includes: a canister mounted on a peripheral part of a fuel filler opening of a fuel tank mounted on a general-purpose engine, the canister housing a fuel adsorbent for adsorbing fuel vapor generated in the interior of the fuel tank; and an air vent provided in a tank cap fitted into the filler opening of the fuel tank. The air vent has an inner end opening in the interior of the fuel tank, and an outer end opening to the atmosphere. The canister is connected to the air vent. The interior of the fuel tank is made open to the atmosphere via the canister and the air vent. Thus, need for special piping is eliminated and fuel vapor within the fuel tank is treated while always stably maintaining the interior of the fuel tank at atmospheric pressure.
摘要翻译：通用发动机燃料箱燃料蒸气处理系统包括：安装在安装在通用发动机上的燃料箱的燃料加注口的周边部分上的罐，所述罐容纳用于吸附在所述通用发动机中产生的燃料蒸汽的燃料吸附剂燃油箱内部; 以及设置在装配在燃料箱的加料口中的罐盖内的通风口。该排气口在燃料箱的内部具有一个内端开口，一个向大气开放的外端。罐连接到排气口。燃料箱的内部通过罐和排气口向大气敞开。因此，消除了对特殊管道的需要，同时处理燃料箱内的燃料蒸气，同时始终将燃料箱的内部稳定地保持在大气压力。

10. 发明申请

US20050121004A1 General-purpose engine 有权
标题翻译：通用发动机
公开(公告)号：US20050121004A1
公开(公告)日：2005-06-09
申请号：US10993144
申请日：2004-11-22
申请人： Yoshikazu Yamada , Shosaku Chiba , Katsuya Tajima , Eiichi Utsugi
发明人： Yoshikazu Yamada , Shosaku Chiba , Katsuya Tajima , Eiichi Utsugi
IPC分类号： B01D5/00 , B60K15/035 , B60K15/04 , F02B63/00 , F02B75/02 , F02M9/02 , F02M17/02 , F02M25/08 , F02M33/04
CPC分类号： F02M25/0854 , B60K15/03504 , B60K15/0406 , F02B2075/025 , F02M9/02 , F02M17/02 , F02M25/0872 , F02M2025/0863
摘要： A general-purpose engine includes a canister which adsorbs fuel vapor that has evaporated within a fuel tank. The fuel vapor is desorbed from the canister and guided to an intake system communicating with an engine main body. The engine main body includes a crankcase and a cylinder block joined to the crankcase to have an upwardly inclined cylinder axis (C). The canister is disposed to one side of the crankcase and beneath the cylinder block to avoid any increase in the dimensions of the general-purpose engine.
摘要翻译：通用发动机包括吸收在燃料箱内蒸发的燃料蒸气的罐。燃料蒸汽从罐解吸并被引导到与发动机主体连通的进气系统。发动机主体包括曲轴箱和连接到曲轴箱的气缸体，以具有向上倾斜的气缸轴线（C）。罐被设置在曲轴箱的一侧并且在气缸体下方，以避免通用发动机的尺寸的任何增加。

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