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1. 发明授权

US6058894A General-purpose air-cooled four-cycle engine 失效
标题翻译：通用风冷四冲程发动机
公开(公告)号：US6058894A
公开(公告)日：2000-05-09
申请号：US104394
申请日：1998-06-25
申请人： Kazuyuki Kobayashi , Hiroyoshi Kouchi , Shogo Nakamura , Yuji Nagase
发明人： Kazuyuki Kobayashi , Hiroyoshi Kouchi , Shogo Nakamura , Yuji Nagase
IPC分类号： F16C9/02 , F02B1/04 , F02B61/04 , F02B63/00 , F02B75/02 , F02B75/16 , F01P1/00 , F02B75/32 , F02D31/00
CPC分类号： F02B63/00 , F02B61/045 , F02B75/16 , F02B1/04 , F02B2075/027 , F02B2275/34 , Y10T74/19265
摘要： A general purpose air-cooled, four-cycle engine in which a first ball bearing supporting the output shaft of the crankshaft is larger than the second ball supporting the other end of the crankshaft, and the first bearing has an external diameter which is approximately equal to or greater than the distance from the crankshaft to the camshaft. The camshaft driven by the crankshaft is supported by sliding bearings. The governor which controls the rotation of the engine and which is driven by the rotation of the crankshaft is enclosed in the crankcase on the same end as the cooling fan, which is the end opposite the output end of the crankshaft. This invention fulfills the demand for a smaller crankcase; does not make use of special bearings; and achieves a greater bearing capacity through the use of large-diameter standard-precision ball bearings. In addition, it simplifies the required processing and allows the assembly process to be automated.
摘要翻译：一种通用的风冷四冲程发动机，其中支撑曲轴的输出轴的第一球轴承大于支撑曲轴另一端的第二球，并且第一轴承的外径大致相等到或大于从曲轴到凸轮轴的距离。由曲轴驱动的凸轮轴由滑动轴承支撑。控制发动机旋转并由曲轴旋转驱动的调速器被封闭在与作为与曲轴的输出端相反的端部的冷却风扇的同一端上的曲轴箱中。本发明满足对较小曲轴箱的需求; 不使用特殊轴承; 并通过使用大直径标准精密滚珠轴承实现更大的承载能力。此外，它简化了所需的处理，并允许组装过程自动化。

2. 发明授权

US06341524B1 Fuel gauge unit for a fuel tank 失效
标题翻译：油箱的燃油表单元
公开(公告)号：US06341524B1
公开(公告)日：2002-01-29
申请号：US09238063
申请日：1999-01-27
申请人： Yuji Nagase , Shogo Nakamura , Hiroyoshi Kouchi , Kazuyuki Kobayashi
发明人： Yuji Nagase , Shogo Nakamura , Hiroyoshi Kouchi , Kazuyuki Kobayashi
IPC分类号： G01F2332
CPC分类号： G01F23/34
摘要： A fuel gauge unit for a fuel tank which, when the gauge unit is attached to the fuel tank, is fixed in its rotational angle in a simple fashion, and in which the fuel scale is simple and easy to inspect visually. An indicator is provided which moves back and forth in a horizontal plane when a bearing connected to a float rotates. The position of the indicator corresponds to a fuel scale, so that the quantity of fuel in the fuel tank can be determined by inspecting the gauge. On the top of the gauge unit is a protruding rectangular portion with a transparent window. This protruding rectangular portion engages in a hole in the cover plate attached to the fuel tank. The protruding rectangular portion and its hole may have a rectangular or oblong surface which serves as a rotational position lock for the gauge unit.
摘要翻译：一种用于燃料箱的燃料计单元，其在量规单元附接到燃料箱时以简单的方式固定在其旋转角度，并且其中燃料标尺简单且易于视觉检查。当连接到浮子的轴承旋转时，提供一个在水平平面内前后移动的指示器。指示器的位置对应于燃料标尺，使得可以通过检查量规来确定燃料箱中的燃料量。在测量单元的顶部是具有透明窗口的突出的矩形部分。该突出的矩形部分接合在附接到燃料箱的盖板中的孔中。突出的矩形部分及其孔可以具有矩形或长方形表面，其用作测量单元的旋转位置锁定。

3. 发明授权

US6006703A Cooling fan for an air-cooled engine 有权
标题翻译：风冷发动机冷却风扇
公开(公告)号：US6006703A
公开(公告)日：1999-12-28
申请号：US238061
申请日：1999-01-27
申请人： Shogo Nakamura , Hiroyoshi Kouchi , Kazuyuki Kobayashi , Yuji Nagase
发明人： Shogo Nakamura , Hiroyoshi Kouchi , Kazuyuki Kobayashi , Yuji Nagase
IPC分类号： F01P5/02 , F04D29/28 , F01P7/04
CPC分类号： F04D29/281
摘要： A cooling fan made of synthetic resin for an air-cooled engine which is fixedly secured to a side of the body of a flywheel includes a plurality of cooling fins formed along a circumferential direction thereof, and a circular reinforcement rib projecting axially from the periphery of a backboard, thereby reducing deformation of the fan during running of the engine and preventing deformation of the fan during transportation, without significantly increasing the weight of the fan.
摘要翻译：用于空气冷却发动机的合成树脂冷却风扇，其固定地固定在飞轮的主体的侧面，包括沿其圆周方向形成的多个散热片，以及从周向轴向突出的圆形加强肋，从而在发动机运转期间减少风扇的变形，并且防止风扇在运输过程中的变形，而不会显着增加风扇的重量。

4. 发明授权

US6089209A Mounting configuration for an engine fuel line 失效
标题翻译：发动机燃油管路的安装配置
公开(公告)号：US6089209A
公开(公告)日：2000-07-18
申请号：US238062
申请日：1999-01-27
申请人： Hiroyoshi Kouchi , Shogo Nakamura , Kazuyuki Kobayashi
发明人： Hiroyoshi Kouchi , Shogo Nakamura , Kazuyuki Kobayashi
IPC分类号： F02M37/00 , F02B77/00 , F02B55/02
CPC分类号： F02M37/0017 , F02M37/007
摘要： A configuration for mounting a fuel line on an engine which reduces the number of parts needed to mount the fuel lines and the fuel cock, reduces the number of assembly and mounting processes, and improves both the handling qualities and the safety of the engine at a low cost. In this fuel line configuration for a single-cylinder multi-purpose engine having a fan cover and a front cover on the front of the engine, a fuel tank on top of the engine is connected to the carburetor by a fuel line with a fuel cock on it. Semicircular grooves are provided in the fan cover and front cover, and the fuel line is engaged in a channel formed by the two grooves and thereby immobilized. The fuel cock, which is attached to the front end of the fuel line, is mounted to the front cover.
摘要翻译：用于将燃料管线安装在发动机上的配置减少了安装燃料管线和燃料旋塞所需的部件的数量，减少了组装和安装过程的数量，并且改善了发动机的处理质量和安全性低成本。在具有在发动机前部具有风扇盖和前盖的单缸多用途发动机的燃油管路结构中，在发动机顶部的燃料箱通过燃料管路与燃料旋塞连接到化油器在上面。半扇形槽设置在风扇盖和前盖中，燃料管路与由两个槽形成的通道接合，从而固定。连接到燃料管路前端的燃油旋塞安装在前盖上。

5. 发明授权

US5957099A Air-cooled engine for general use 失效
标题翻译：风冷发动机一般用途
公开(公告)号：US5957099A
公开(公告)日：1999-09-28
申请号：US104397
申请日：1998-06-25
申请人： Kazuyuki Kobayashi , Hiroyoshi Kouchi , Shogo Nakamura
发明人： Kazuyuki Kobayashi , Hiroyoshi Kouchi , Shogo Nakamura
IPC分类号： F02B67/06 , F01L1/02 , F02B75/02 , F16H7/06
CPC分类号： F01L1/02 , F01L1/022 , F01L1/026 , F02B2075/027
摘要： The objective of this invention is to solve two sorts of problems in an engine using a chain transmission scheme with the camshaft as the output shaft. One set of problems results from the stretching of the chain. The other concerns lining up the crankshaft and camshaft during assembly. With this invention, power is transmitted from the crankshaft to the camshaft by means of a silent chain. The silent chain is tensioned before use to suppress its initial tendency to stretch. The chain is installed so that the slack in the chain is 1 to 2% looser than its theoretically calculated distance value between the crankshaft and the camshaft. (A chain tensioner is not used.) One or several marks are provided on the opposed surfaces of the aforesaid silent chain and the two sprockets to help match the positions of the crankshaft and camshaft.
摘要翻译：本发明的目的是解决使用凸轮轴作为输出轴的链条传动方案的发动机中的两种问题。一系列问题来自于链条的拉伸。另外在组装过程中排列了曲轴和凸轮轴。利用本发明，通过无声链从曲轴传递到凸轮轴。无声链在使用前被张紧，以抑制其初始趋势。该链条的安装使得链条中的松弛比理论计算的曲轴和凸轮轴之间的距离值松动1至2％。（不使用链条张紧器）在上述无声链和两个链轮的相对表面上设置一个或几个标记，以帮助匹配曲轴和凸轮轴的位置。

6. 发明授权

US06382172B1 Fuel tank and general purpose engine equipped with the same 失效
标题翻译：燃油箱和配备相同的通用发动机
公开(公告)号：US06382172B1
公开(公告)日：2002-05-07
申请号：US09194066
申请日：1999-07-20
申请人： Kazuyuki Kobayashi , Hiroyoshi Kouchi , Shogo Nakamura , Shin Mizukami
发明人： Kazuyuki Kobayashi , Hiroyoshi Kouchi , Shogo Nakamura , Shin Mizukami
IPC分类号： F02B7700
CPC分类号： B60K15/03 , B60K15/03177 , B60K15/073 , F02B63/00 , F02F7/008
摘要： The object of this invention is to improve the safety of an engine by preventing fuel which might splash out of the fuel inlet on top of the fuel tank or drip onto the tank during fueling from coming in contact with the hot cylinder or any electrical components. Another object of this invention is to prevent vibration of the fuel tank and the noise which such vibration would cause. The fuel tank according to this invention has an upper and a lower portions joined by a flange, both of which are made from a resin material. The upper portion has a trapezoidal depression in its center which surrounds the fuel inlet and slopes downward toward one side of the tank. The overall surface of the upper portion is convex and also slopes downward toward the same side of the tank. A number of grooves on either side of the central depression run in the same direction and open onto the same side of the tank. The two halves of the tank are welded at the web of a ribbed flange which extends around the entire periphery.
摘要翻译：本发明的目的是通过防止在燃料加热期间燃料从燃料箱顶部喷出的燃料或者在与热气瓶或任何电气部件接触的过程中滴入到罐中来提高发动机的安全性。本发明的另一个目的是防止燃料箱的振动和这种振动引起的噪声。根据本发明的燃料箱具有由凸缘连接的上部和下部，两者均由树脂材料制成。上部在其中心具有梯形凹陷，其围绕燃料入口并朝向罐的一侧向下倾斜。上部的整个表面是凸的，并且向下朝向罐的同一侧向下倾斜。中央凹陷两侧的多个槽在同一方向上运行并且打开到罐的同一侧。罐的两个半部在围绕整个周边延伸的肋状凸缘的腹板处被焊接。

7. 发明授权

US06167861A Mounting configuration for the exhaust pipe cover of an engine 失效
标题翻译：发动机排气管盖的安装结构
公开(公告)号：US06167861A
公开(公告)日：2001-01-02
申请号：US09236400
申请日：1999-01-25
申请人： Hiroyoshi Kouchi , Kazuyuki Kobayashi , Shogo Nakamura
发明人： Hiroyoshi Kouchi , Kazuyuki Kobayashi , Shogo Nakamura
IPC分类号： F02F700
CPC分类号： F01N13/1855 , F01N13/002 , F01N13/14 , F01N2590/06
摘要： In a mounting configuration for an exhaust pipe cover of an engine in which a muffler is affixed to an outlet flange of an exhaust pipe whose inlet flange is connected to an exhaust outlet of a cylinder head of the engine, the exhaust pipe cover which shields the exhaust pipe is affixed with a bottom of the muffler to the outlet flange of the exhaust pipe. An upper flange of the exhaust pipe cover is affixed to both the bottom of the muffler and the outlet flange of the exhaust pipe, and a front portion of the exhaust pipe cover extends downward from the upper flange in such a way as to cover the exhaust pipe.
摘要翻译：在发动机的排气管罩的安装构造中，消声器固定在排气管的出口法兰上，该排气管的入口法兰连接到发动机的气缸盖的排气出口，所述排气管罩遮蔽排气管将消声器的底部固定到排气管的出口法兰上。排气管盖的上凸缘固定在消声器的底部和排气管的出口凸缘上，并且排气管盖的前部从上凸缘向下延伸以覆盖排气口管。

8. 发明授权

US6044811A Air guide casing for air-cooled engine 有权
标题翻译：风冷发动机导风罩
公开(公告)号：US6044811A
公开(公告)日：2000-04-04
申请号：US171178
申请日：1998-10-14
申请人： Hiroyoshi Kouchi , Kazuyuki Kobayashi , Shogo Nakamura
发明人： Hiroyoshi Kouchi , Kazuyuki Kobayashi , Shogo Nakamura
IPC分类号： F02B63/00 , F01P1/02 , F01P5/06
CPC分类号： F01P5/06 , F01P1/02
摘要： There is provided an air guide casing for an air-cooled engine, characterized in that in an air-cooled engine, the air guide casing comprises an air guide member (11) (12) consisting of a synthetic resin molded product, which is fixed so as to connect with an inside air guide casing (30), an outside air guide casing (6) provided on the outside of the air guide member (11) (12) so as to cover the air guide member, and positioning means (13) for positioning the air guide member (11) (12) with respect to a cylinder block (2); the air guide member (11) (12) is positioned with respect to the cylinder block (2) through the positioning means (13); and the air guide member is fixed by holding and pressing at least one place of the air guide member (11) (12) between the tightening portion of the outside air guide casing (6) and the cylinder block (2). By minimizing the use of a sheet metal member, vibrations of the air guide casing including a fan cover is reduced, and noises produced by the resonance with engine vibration or other causes are prevented. Also, the number of bolts used and the working man-hour for welding etc. are decreased to achieve a cost reduction, and moreover the weight is reduced. Further, a gap developing at the attaching portion where the air guide casing is attached to a cylinder block is eliminated, by which the leakage of cooling air and the amplification of vibrations due to the gap are prevented.
摘要翻译： PCT No.PCT / JP98 / 00579 Sec。 371日期：1998年10月14日 102（e）1998年10月14日日期PCT提交1998年2月13日PCT公布。第WO98 / 36162号公报日本1998年8月20日提供了一种用于空气冷却发动机的空气引导壳体，其特征在于，在空气冷却发动机中，所述空气引导壳体包括由合成树脂模制的空气引导构件（11）产品，其被固定成与内部空气引导壳体（30）连接;外部空气引导壳体（6），设置在导风部件（11）的外侧，以便覆盖空气引导部件以及用于相对于气缸体（2）定位所述空气引导构件（11）（12）的定位装置（13）; 空气引导构件（11）（12）通过定位装置（13）相对于气缸体（2）定位; 并且通过在外部空气引导壳体6的紧固部和气缸体2之间保持并按压空气引导构件11的至少一个位置来固定空气引导构件。通过使钣金构件的使用最小化，减少了包括风扇罩的引导壳体的振动，并且防止了与发动机振动或其它原因的共振产生的噪声。此外，减少使用的螺栓的数量和焊接的工作时间等，以实现成本降低，而且重量减轻。此外，消除了在引导壳体附接到气缸体的附接部分处形成的间隙，由此防止冷却空气的泄漏和由间隙引起的振动的放大。

9. 发明授权

US06244231B1 Structure of overhead-valve internal combustion engine and manufacturing method for the same 有权
标题翻译：顶置式内燃机的结构及其制造方法
公开(公告)号：US06244231B1
公开(公告)日：2001-06-12
申请号：US09666532
申请日：2000-09-20
申请人： Hiroyoshi Kouchi , Kazuyuki Kobayashi , Shogo Nakamura , Isao Katayama , Shigeichi Okada
发明人： Hiroyoshi Kouchi , Kazuyuki Kobayashi , Shogo Nakamura , Isao Katayama , Shigeichi Okada
IPC分类号： F01M910
CPC分类号： F02F1/30 , F01L1/12 , F01L1/182 , F02B2275/34 , F02F2001/245
摘要： In order to supply a sufficient quantity of lubricating oil to the entire valve operating mechanism, we designed a lubrication device for an overhead valve engine. A first breather passage goes from the valve operating mechanism chamber to the crankcase, passing through the cylinder head and cylinder. The first breather passage opens in the vicinity of the spring retainer for the intake valve on the surface of the cylinder head which faces the valve operating mechanism chamber for the valve operating mechanism. The opening of the first passage and the vicinity of the exhaust valve are connected by a second breather passage. This second passage comprises a groove formed by cutting in the valve operating mechanism chamber surface of the cylinder head, and a tunnel formed between an oil guide wall which goes up from the valve operating mechanism chamber surface of the cylinder head and the peripheral wall of the head. One end of this groove connects to the opening of the first breather passage.
摘要翻译：为了向整个阀门操作机构提供足量的润滑油，我们设计了一种顶置阀门发动机的润滑装置。第一通气通道从阀操作机构腔室到达曲轴箱，通过气缸盖和气缸。第一通气通道在气缸盖的面对用于阀操作机构的阀操作机构室的表面上的进气阀的弹簧保持器附近打开。第一通道和排气门附近的开口通过第二通气通道连接。该第二通道包括通过在气缸盖的气门操作机构腔室表面中切割而形成的凹槽，以及形成在从气缸盖的气门操作机构腔室表面向上升起的导油壁和头。该槽的一端连接到第一通气通道的开口。

10. 发明授权

US06178936B2 Structure of overhead-valve internal combustion engine and manufacturing method for the same 失效
标题翻译：顶置式内燃机的结构及其制造方法
公开(公告)号：US06178936B2
公开(公告)日：2001-01-30
申请号：US09104395
申请日：1998-06-25
申请人： Hiroyoshi Kouchi , Kazuyuki Kobayashi , Shogo Nakamura , Isao Katayama , Shigeichi Okada
发明人： Hiroyoshi Kouchi , Kazuyuki Kobayashi , Shogo Nakamura , Isao Katayama , Shigeichi Okada
IPC分类号： F01L100
CPC分类号： F02F1/30 , F01L1/12 , F01L1/182 , F02B2275/34 , F02F2001/245
摘要： To simplify the assembling process to mount a valve operating mechanism on a cylinder head, one intake valve and one exhaust valve are mounted on the cylinder head symmetrically with respect to the axis of a cylinder shaft. A rocker arm supporting base which supports rocker arms is fixed to the top of the cylinder head. Rocker arm shafts are supported by the base. The central portions of the rocker arms engage with the rocker arm shafts in such a way that the arms are free to swing. Push rods and the intake and exhaust valves are engaged with the ends of the arms. The valve operating mechanism is enclosed in a head cover which is fixed to the top surface of the cylinder head. This engine is distinguished by having the mounting surface for the rocker arm supporting base, on which the rocker shafts are mounted, and the surface on which the head cover sits be virtually coplanar. This makes it possible to machine the two surfaces at the same time. In order to supply a sufficient quantity of lubricating oil to the entire valve operating mechanism, a particularly designed lubrication device is provided.
摘要翻译：为了简化在气缸盖上安装气门操作机构的组装过程，一个进气门和一个排气门相对于气缸轴的轴线对称安装在气缸盖上。支撑摇臂的摇臂支撑底座固定在气缸盖顶部。摇臂轴由底座支撑。摇臂的中心部分与摇臂轴接合，使得臂自由摆动。推杆和进排气阀与臂的端部接合。阀门操作机构封闭在固定在气缸盖顶表面上的头罩内。该发动机的特征在于具有用于摇臂支撑底座的安装表面，摇臂轴安装在其上，并且头盖所在的表面实际上是共面的。这样可以同时加工两个表面。为了向整个阀操作机构供应足够量的润滑油，提供了特别设计的润滑装置。

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