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公开(公告)号：US08261775B2
公开(公告)日：2012-09-11
申请号：US12367264
申请日：2009-02-06
申请人： Tamio Aihara , Yoshiaki Douyama , Shinichi Ohgane
发明人： Tamio Aihara , Yoshiaki Douyama , Shinichi Ohgane
CPC分类号： F02M9/12 , F02M23/03 , Y02T10/146 , Y10T137/87161
摘要： A scavenging valve assembly is used in a carburetor. The valve assembly includes a throttle valve and a rotary air valve. The throttle valve opens and closes an air-fuel passage. The rotary air valve opens and closes an air passage and has one or more air bore(s). When the rotary air valve begins to rotate, airflow travels through the bore(s) and the size of an opening area that airflow travels through continuously increases in size.
摘要翻译： 在化油器中使用清扫阀组件。 阀组件包括节流阀和旋转空气阀。 节流阀打开和关闭空燃料通道。 旋转空气阀打开和关闭空气通道并具有一个或多个气孔。 当旋转空气阀开始旋转时，空气流过孔，并且气流穿过的开口面积的尺寸不断增加。
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公开(公告)号：US07210460B2
公开(公告)日：2007-05-01
申请号：US11114843
申请日：2005-04-26
CPC分类号： F02M37/0029 , F02M37/0082 , F02M69/54
摘要： A low cost bypass pressure regulator preferably for a returnless fuel system supplying liquid fuel to a fuel injector of the combustion engine. The pressure regulator preferably has a valve head disposed at least in part in a valve chamber defined by a circumferentially continuous inner surface carried by a valve body and which transitions radially outward with respect to a center axis and in a downstream direction. The valve head preferably tapers radially inward from a downstream peripheral outer edge of the head. In a closed position, the valve head engages a seat carried by the body with the peripheral outer edge downstream of the seat and radially spaced from and fitted closely to the valve chamber continuous inner surface thus defining a close fit region therebetween. As the valve head opens, the flow cross-section enlarges which reduces or eliminates oscillation of the valve head.
摘要翻译： 一种低成本旁路压力调节器，优选用于向内燃发动机的燃料喷射器供应液体燃料的无回流燃料系统。 压力调节器优选地具有至少部分地设置在阀室中的阀头，阀室由由阀体承载的周向连续的内表面限定，并且其相对于中心轴线和下游方向径向向外转变。 阀头优选地从头部的下游周边外缘径向向内渐缩。 在关闭位置，阀头与由主体承载的座与座的下游的周边外边缘接合，并且与阀室连续的内表面径向间隔开并与其紧密配合，从而限定了它们之间的紧密配合区域。 当阀头打开时，流动横截面放大，这减少或消除了阀头的振动。
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公开(公告)号：US20090194726A1
公开(公告)日：2009-08-06
申请号：US12367264
申请日：2009-02-06
申请人： Tamio Aihara , Yoshiaki Douyama , Shinichi Ohgane
发明人： Tamio Aihara , Yoshiaki Douyama , Shinichi Ohgane
IPC分类号： F16K5/00
CPC分类号： F02M9/12 , F02M23/03 , Y02T10/146 , Y10T137/87161
摘要： A scavenging valve assembly is used in a carburetor. The valve assembly includes a throttle valve and a rotary air valve. The throttle valve opens and closes an air-fuel passage. The rotary air valve opens and closes an air passage and has one or more air bore(s). When the rotary air valve begins to rotate, airflow travels through the bore(s) and the size of an opening area that airflow travels through continuously increases in size.
摘要翻译： 在化油器中使用清扫阀组件。 阀组件包括节流阀和旋转空气阀。 节流阀打开和关闭空燃料通道。 旋转空气阀打开和关闭空气通道并具有一个或多个气孔。 当旋转空气阀开始旋转时，空气流过孔，并且气流穿过的开口面积的尺寸不断增加。
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公开(公告)号：US07429033B2
公开(公告)日：2008-09-30
申请号：US11293954
申请日：2005-12-05
IPC分类号： F02M23/03
CPC分类号： F02B33/30 , F02B25/22 , F02M17/34 , F02M23/03 , Y02T10/146 , Y10S261/01
摘要： A scavenging carburetor having an improved relationship between scavenging air flow and fuel-and-air flow to an engine over its range of operating conditions. The carburetor has a butterfly throttle valve and a plug-type scavenging valve. Levers are attached to support shafts of the valves and are connected to each other by a connecting rod so as to synchronize movement of the valves. Because of the different opening angle versus open area properties of the two valves, the supply of the scavenging air is minimized over a low speed range of the engine so as to achieve a stable low speed operation and a stable acceleration from idle conditions and a relatively large amount of scavenging air is supplied over a high speed range of the engine for the given amount of fuel-and-air mixture that is supplied. Therefore, the fuel-and-air mixture supply and scavenging air supply is better matched to the requirements of a particular engine than was possible with conventional combinations of valves.
摘要翻译： 清除化油器在其工作条件范围内具有改善的清空气流与发动机的燃料和空气流之间的关系。 化油器有一个蝴蝶节流阀和一个插头式清扫阀。 杠杆连接到阀的支撑轴上，并通过连杆彼此连接，以使阀的运动同步。 由于两个阀的开口角度与开放面积的不同，在发动机的低速范围内，清扫空气的供应最小化，从而实现了稳定的低速运转和从空转状态的稳定加速 在供给的给定量的燃料和空气混合物的情况下，在发动机的高速范围内供应大量的清除空气。 因此，与传统的阀组合相比，燃料和空气混合物供应和清除空气供应更好地符合特定发动机的要求。
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公开(公告)号：US20060125125A1
公开(公告)日：2006-06-15
申请号：US11293954
申请日：2005-12-05
CPC分类号： F02B33/30 , F02B25/22 , F02M17/34 , F02M23/03 , Y02T10/146 , Y10S261/01
摘要： A scavenging carburetor having an improved relationship between scavenging air flow and fuel-and-air flow to an engine over its range of operating conditions. The carburetor has a butterfly throttle valve and a plug-type scavenging valve. Levers are attached to support shafts of the valves and are connected to each other by a connecting rod so as to synchronize movement of the valves. Because of the different opening angle versus open area properties of the two valves, the supply of the scavenging air is minimized over a low speed range of the engine so as to achieve a stable low speed operation and a stable acceleration from idle conditions and a relatively large amount of scavenging air is supplied over a high speed range of the engine for the given amount of fuel-and-air mixture that is supplied. Therefore, the fuel-and-air mixture supply and scavenging air supply is better matched to the requirements of a particular engine than was possible with conventional combinations of valves.
摘要翻译： 清除化油器在其工作条件范围内具有改善的清空气流与发动机的燃料和空气流之间的关系。 化油器有一个蝴蝶节流阀和一个插头式清扫阀。 杠杆连接到阀的支撑轴上，并通过连杆彼此连接，以使阀的运动同步。 由于两个阀的开口角度与开放面积的不同，在发动机的低速范围内，清扫空气的供应最小化，从而实现了稳定的低速运转和从空转状态的稳定加速 在供给的给定量的燃料和空气混合物的情况下，在发动机的高速范围内供应大量的清除空气。 因此，与传统的阀组合相比，燃料和空气混合物供应和清除空气供应更好地符合特定发动机的要求。
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公开(公告)号：US07318422B2
公开(公告)日：2008-01-15
申请号：US11190427
申请日：2005-07-27
IPC分类号： F02M37/04
CPC分类号： F04B17/03 , F04B53/22 , F04C2/086 , F04C2/102 , F04C11/00 , F04C11/008 , F05C2225/04
摘要： A fluid pump includes an electric motor with a casing and a drive shaft extending from the casing, a pumping element coupled to the drive shaft for rotation with the shaft to take in fluid and discharge it under pressure. The fuel pump casing may be sealed and a housing coupled to the casing may provide the inlet and outlet passages for fluid flow to and from the pumping element. The housing may be received in or communicated with other housing or module assemblies to provide a wide array of fuel pump assemblies. The pumping element may include one or more gear rotors, a turbine pumping element, or other pumping element, as desired.
摘要翻译： 流体泵包括具有壳体的电动马达和从壳体延伸的驱动轴，联接到驱动轴的泵送元件，用于与轴一起旋转以吸入流体并在压力下将其排出。 燃料泵壳体可以被密封，并且联接到壳体的壳体可以提供用于流体流向泵送元件的流入口和出口通道。 壳体可以被容纳在其它壳体或模块组件中或与其连通以提供广泛的燃料泵组件阵列。 根据需要，泵送元件可以包括一个或多个齿轮转子，涡轮泵送元件或其它泵送元件。
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公开(公告)号：US06467757B1
公开(公告)日：2002-10-22
申请号：US09669579
申请日：2000-09-26
申请人： Yoshiaki Douyama
发明人： Yoshiaki Douyama
IPC分类号： F02M308
CPC分类号： F02D11/04 , Y10S261/84 , Y10T137/7062
摘要： A limiter cap assembly of a carburetor for a two cycle engine restricts maximum and minimum fuel amounts. The limiter cap assembly has a first cap engaged telescopically to the end of a low speed needle valve and a second cap engaged telescopically to the end of a high speed needle valve. The first and second caps are identical, each having a first tab and a second tab. The first tab sets the maximum fuel amount by contacting the adjacent cap and the second tab sets the minimum fuel amount by also engaging the adjacent cap. The first and second tabs are axially spaced apart so as not to obstruct rotation of the adjacent cap via the adjacent tabs. A housing having a lid encompasses the first and second caps. The caps each have a plurality of projections which engage an inner edge of the lid, thereby, provisionally staging the caps to the carburetor while final needle valve adjustments are made.
摘要翻译： 用于两个循环发动机的化油器的限制器盖组件限制最大和最小燃料量。 限制帽组件具有可伸缩地接合到低速针阀的端部的第一帽和可伸缩地接合到高速针阀的端部的第二帽。 第一和第二盖是相同的，每个具有第一接头和第二接头。 第一突出部通过接触相邻的盖而设置最大燃料量，而第二突片通过也接合相邻的盖而设置最小燃料量。 第一和第二突出部轴向间隔开，以便不会阻碍相邻盖经由相邻翼片的旋转。 具有盖的壳体包围第一和第二盖。 盖子各自具有接合盖的内边缘的多个突起，从而在进行最终的针阀调节时临时将盖子分级到化油器。
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公开(公告)号：US07475678B2
公开(公告)日：2009-01-13
申请号：US11082340
申请日：2005-03-17
IPC分类号： F02M37/04
CPC分类号： F04B17/03 , F01C11/00 , F02M37/103 , F04C13/005 , F04C2240/30 , F04D13/06
摘要： A fuel delivery system for a combustion engine has a fuel tank which defines an access hole preferably communicating through either the top wall or bottom wall of the tank. An associated top or bottom flange, both having a fuel channel for flowing fuel out of the tank, sealably covers the access hole. A fuel pump module is located in the fuel chamber of the tank and has a universal, structural, pod which engages either the top or bottom flange while preferably maintaining an axial upright position. The pod defines an axially extending first bore for housing a fuel pump and preferably an electric pump motor and a second bore defined by a cylindrical inner face and spaced radially outward from the first chamber for housing a reversible filter cartridge of the module. The pod also has a fuel discharge nozzle which generally defines a counter bore that communicates axially with the second bore. Fuel flows into the pump through an inlet defined by the pod and pressurized fuel flows from the pump and into the second bore via a fuel passage preferably defined by the pod. The filter cartridge preferably has a filter element generally spaced from the pod within the second bore for filtration efficiency by a primary end retainer and an opposite secondary end retainer. The end retainers generally seal to the pod within the second bore thus flowing all of the pressurized fuel from the fuel passage and through the filter element before being discharged from the second bore as supply fuel and/or bypass fuel. Preferably, filtered fuel flows through the primary end retainer as system supply fuel to a combustion engine and the remaining filtered fuel flows through the secondary end retainer as bypass fuel back into the fuel tank chamber.
摘要翻译： 用于内燃机的燃料输送系统具有一个燃料箱，该燃料箱限定了优选通过罐的顶壁或底壁连通的进入孔。 具有用于将燃料从罐中流出的燃料通道的相关联的顶部或底部凸缘可密封地覆盖进入孔。 燃料泵模块位于燃料箱的燃料室中并且具有通用结构的荚，其接合顶部或底部凸缘，同时优选地保持轴向直立位置。 舱体限定轴向延伸的第一孔，用于容纳燃料泵，优选地包括电动泵电动机和由圆柱形内表面限定并与第一室径向向外隔开的第二孔，用于容纳模块的可逆滤筒。 荚壳还具有燃料排出喷嘴，其通常限定与第二孔轴向连通的反向孔。 燃料通过由容器限定的入口流入泵中，并且加压的燃料经由燃料通道优选地由容器限定，从泵流入第二孔。 过滤器滤芯优选地具有过滤器元件，该过滤器元件在第二孔内通常与容器间隔开，以便通过主端保持器和相对的次端保持器进行过滤效率。 端部保持器通常在第二孔内密封到容器，从而在从第二孔作为供应燃料和/或旁路燃料排放之前将所有加压的燃料从燃料通道流过并通过过滤元件。 优选地，过滤的燃料流过主端保持器，因为系统向燃烧发动机供应燃料，并且剩余的过滤燃料作为旁路燃料流回到燃料箱室中。
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公开(公告)号：US20070025866A1
公开(公告)日：2007-02-01
申请号：US11190427
申请日：2005-07-27
CPC分类号： F04B17/03 , F04B53/22 , F04C2/086 , F04C2/102 , F04C11/00 , F04C11/008 , F05C2225/04
摘要： A fluid pump includes an electric motor with a casing and a drive shaft extending from the casing, a pumping element coupled to the drive shaft for rotation with the shaft to take in fluid and discharge it under pressure. The fuel pump casing may be sealed and a housing coupled to the casing may provide the inlet and outlet passages for fluid flow to and from the pumping element. The housing may be received in or communicated with other housing or module assemblies to provide a wide array of fuel pump assemblies. The pumping element may include one or more gear rotors, a turbine pumping element, or other pumping element, as desired.
摘要翻译： 流体泵包括具有壳体的电动马达和从壳体延伸的驱动轴，联接到驱动轴的泵送元件，用于与轴一起旋转以吸入流体并在压力下将其排出。 燃料泵壳体可以被密封，并且联接到壳体的壳体可以提供用于流体流向泵送元件的流入口和出口通道。 壳体可以被容纳在其它壳体或模块组件中或与其连通以提供广泛的燃料泵组件阵列。 根据需要，泵送元件可以包括一个或多个齿轮转子，涡轮泵送元件或其它泵送元件。
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公开(公告)号：US20060236983A1
公开(公告)日：2006-10-26
申请号：US11114843
申请日：2005-04-26
IPC分类号： F02M37/00
CPC分类号： F02M37/0029 , F02M37/0082 , F02M69/54
摘要： A low cost bypass pressure regulator for liquid flowing preferably in a returnless fuel system for a combustion engine communicates operatively with a conduit which flows fuel from a fuel pump of the fuel system to at least one fuel injector of the combustion engine. The pressure regulator preferably has a valve head disposed at least in-part in a valve chamber defined by a circumferentially continuous inner surface carried by a valve body and which transitions radially outward with respect to a center axis and in a downstream direction. The valve head preferably tapers radially inward with respect to the center axis in an upstream direction and from a peripheral outer edge of the head. When the valve head is in a preferably biased closed position, the valve head is seated sealably against a seat carried by the body and the peripheral outer edge which is spaced radially downstream of the seat is radially spaced from, but fitted closely to the continuous inner surface thus defining a close fit region there-between. When the valve head is in an open position against the biasing forces of the pressure regulator, the tapered valve head is spaced appreciably away from the seat and the peripheral outer edge is spaced appreciably radially inward from the continuous inner surface thus defining a free flow region there-between. The movement of the valve head from closed to open is in a downstream direction, hence the free flow region is generally located downstream of the continuous inner surface portion which defined in-part the close fit region when the valve head was closed. Because the flow cross section spaced axially downstream of the seat generally enlarges as the valve head opens, a high velocity of liquid flow is moved away from the seat thus reducing the otherwise low pressure at the seat. By reducing or eliminating low pressure at the seat, oscillation of the valve head is reduced or eliminated.
摘要翻译： 用于液体流动的低成本旁路压力调节器优选地在用于内燃机的无返回燃料系统中流动，其与从燃料系统的燃料泵将燃料流动到燃烧发动机的至少一个燃料喷射器的导管可操作地连通。 压力调节器优选地具有至少部分地设置在阀室中的阀头，阀室由由阀体承载的周向连续的内表面限定，并且其相对于中心轴线和下游方向径向向外转变。 阀头优选地在上游方向上相对于中心轴线从头部的外周边缘向内径向向内渐缩。 当阀头处于优选偏置的关闭位置时，阀头可密封地安置在由主体承载的座椅上，并且位于座椅径向下游的周边外边缘与径向间隔开但与内侧 因此在其之间限定紧密配合区域。 当阀头抵抗压力调节器的偏置力处于打开位置时，锥形阀头与座位明显地间隔开，并且周边外边缘与连续内表面相当地径向向内间隔开，从而限定了自由流动区域 之间。 阀头从关闭到打开的运动处于下游方向，因此自由流动区域通常位于连续的内表面部分的下游，当阀头关闭时，自由流动区域部分地限定紧密配合区域。 因为在阀座开口的轴向下游的流动横截面通常随着阀头打开而扩大，所以液体流动的高速度从座椅移开，从而减少了座椅处的另外的低压。 通过减少或消除座椅处的低压，减少或消除了阀头的振动。
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