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公开(公告)号：US5632808A
公开(公告)日：1997-05-27
申请号：US622834
申请日：1996-03-27
CPC分类号： B01D53/0415 , B01D2253/102 , B01D2257/702 , B01D2258/01 , B01D2259/40086 , B01D2259/4516 , B01D2259/4566
摘要： A canister includes a partition wall which extends toward the lid member with one end thereof connected to the end wall and opposite sides are connected to an inner surface of the casing body. First and second adsorbent layers, formed by an adsorbent, are retained between first and second filters and a third filter, respectively. The first and second filters are fixedly disposed on opposite sides of the partition wall to define first and second chambers between the first and second filters and the end wall, respectively. The third filter is placed and carried on an inner surface of a support plate which is fitted in the casing body and which has a large number of communication bores. The support plate and a lid member are biased by a spring in a direction to compress the first and second adsorbent layers. An inclination inhibiting portion is provided on at least one of the casing body and the partition wall on the opposite side from the third chamber with respect to the third filter and the support plate at a distance from the third filter which substantially corresponds to a distance between the third filter and the partition wall. Thus, it is possible to prevent a reduction in adsorbing efficiency by preventing the third filter and support plate from inclining.
摘要翻译： 一个罐子包括一个分隔壁，该分隔壁朝着盖子部件延伸，其一端连接在端壁上，相对的两侧连接到壳体的内表面。 由吸附剂形成的第一和第二吸附剂层分别保持在第一和第二过滤器和第三过滤器之间。 第一和第二过滤器固定地设置在分隔壁的相对侧上，以分别在第一和第二过滤器和端壁之间限定第一和第二室。 第三过滤器被放置并承载在安装在壳体中并具有大量连通孔的支撑板的内表面上。 支撑板和盖构件被弹簧沿着压缩第一和第二吸附剂层的方向偏置。 相对于第三过滤器和与第三过滤器相距一定距离的与第三室相反一侧的壳体主体和分隔壁中的至少一个设置有倾斜抑制部分，其基本上对应于第三过滤器之间的距离 第三个过滤器和分隔壁。 因此，可以防止第三过滤器和支撑板倾斜来防止吸附效率的降低。
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公开(公告)号：US5474048A
公开(公告)日：1995-12-12
申请号：US362940
申请日：1994-12-23
申请人： Kazumi Yamazaki , Teruo Wakashiro , Kouichi Hidano , Takeshi Hara , Takeaki Nakajima , Tomoyuki Kawakami
发明人： Kazumi Yamazaki , Teruo Wakashiro , Kouichi Hidano , Takeshi Hara , Takeaki Nakajima , Tomoyuki Kawakami
IPC分类号： B60K15/077 , F02M25/08 , F02M37/00
CPC分类号： F02M25/0872 , F02M25/089 , Y10T137/86324
摘要： An evaporative fuel-processing system for an internal combustion engine includes a canister accommodating an adsorbent therein, for adsorbing evaporative fuel generated in a fuel tank of the engine, and a charging passage connecting between the canister and the fuel tank. A shutter valve is arranged in a fuel supply pipe of the fuel tank in the vicinity of an inlet end thereof, for isolating the interior of the fuel supply pipe from the atmosphere, and the shutter valve is disposed to be opened by the tip of a refueling gun when the latter is inserted into the fuel supply pipe. A pressure-intake port section is arranged in the fuel supply pipe at a side of the shutter valve closer to the main body of the fuel tank, for taking in pressure within the fuel supply pipe. A diaphragm valve is arranged in the charging passage, which has a casing, a diaphragm defining the interior of the casing into a first chamber and a second chamber, a valve element displaceable together with the diaphragm, an evaporative fuel outlet disposed to be opened and closed by the valve element, and a spring urging the valve element in a direction of closing the evaporative fuel outlet. The first chamber communicates with the pressure-intake port section, and the second chamber communicates with the interior of the fuel tank.
摘要翻译： 用于内燃机的蒸发燃料处理系统包括容纳吸附剂的罐，用于吸收在发动机的燃料箱中产生的蒸发燃料，以及连接在罐和燃料箱之间的充电通道。 在燃料箱的燃料供给管的入口端附近设置有闸阀，用于将燃料供给管的内部与大气隔离，并且将闸阀设置成由 当燃料枪插入燃料供应管时，加油枪。 压力吸入口部分布置在燃料供给管的靠近燃料箱主体的闸门阀侧，用于承受燃料供给管内的压力。 隔膜阀布置在充气通道中，该充气通道具有壳体，将壳体内部限定为第一腔室和第二腔室的隔膜，可与隔膜一起移位的阀元件，布置成打开的蒸发燃料出口， 由阀元件关闭，弹簧沿关闭蒸发燃料出口的方向推动阀元件。 第一室与进气口部连通，第二室与燃料箱的内部连通。
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公开(公告)号：US5606954A
公开(公告)日：1997-03-04
申请号：US362267
申请日：1994-12-22
申请人： Kazumi Yamazaki , Takeaki Nakajima , Koichi Hidano , Teruo Wakashiro , Takeshi Hara , Masaaki Horiuchi , Tomoyuki Kawakami
发明人： Kazumi Yamazaki , Takeaki Nakajima , Koichi Hidano , Teruo Wakashiro , Takeshi Hara , Masaaki Horiuchi , Tomoyuki Kawakami
IPC分类号： B60K15/035 , B60K15/04 , F02M37/04
CPC分类号： B60K15/03519 , B60K15/035 , B60K15/04 , B60K2015/03576
摘要： In an evaporative fuel processing device, an evaporative fuel passage communicating at one end to an upper space in a fuel tank is connected at the other end to a refueling line at a location corresponding to a negative pressure introducing hole provided in a lower portion of a tip end of a nozzle during refueling by a refueling nozzle which is constructed so that the refueling by the refueling nozzle is automatically stopped in response to a fuel liquid level reaching the negative pressure introducing hole during refueling. The draft resistance of an evaporative fuel passage interconnecting an inlet of the refueling line and a tank body is set larger than the draft resistance of an evaporative fuel passage interconnecting the tank body and a canister. Thus, the releasing of evaporative fuel from the fuel tank during refueling is effectively inhibited without use of a potentially unreliable seal.
摘要翻译： 在蒸发燃料处理装置中，在一端与燃料箱的上部空间连通的蒸发燃料通路在另一端与加油管连接，该加油管与设置在燃料箱的下部的负压导入孔对应 由加油喷嘴加油期间喷嘴的末端，其被构造成使得在加油期间响应于到达负压引入孔的燃料液位自动停止加油喷嘴的加油。 将加油管路和罐体的入口相互连接的蒸发燃料通道的通风阻力设定为大于连接箱体和罐体的蒸发燃料通道的通风阻力。 因此，在不使用潜在不可靠的密封的情况下，有效地抑制了在加油期间从燃料箱释放蒸发燃料。
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公开(公告)号：US5860460A
公开(公告)日：1999-01-19
申请号：US609377
申请日：1996-03-01
申请人： Koichi Hidano , Kazumi Yamazaki , Teruo Wakashiro , Takeshi Hara , Takeaki Nakajima , Masaaki Horiuchi
发明人： Koichi Hidano , Kazumi Yamazaki , Teruo Wakashiro , Takeshi Hara , Takeaki Nakajima , Masaaki Horiuchi
IPC分类号： B60K15/04
CPC分类号： B60K15/04
摘要： A refueling pipe structure of a fuel tank includes a tank body, and an a refueling pipe which is connected to the tank body to extend upwardly therefrom. The refueling pipe is provided at its upper end with a refueling port into which a refueling nozzle can be inserted. The structure includes a flow direction limiting device mounted within the refueling pipe in the vicinity of the refueling port for guiding a fuel flow from a tip end of the refueling nozzle toward an inner surface of the refueling pipe, while limiting the fuel flow in a gyrate direction along the inner surface of the refueling pipe. Thus, the generation of evaporated fuel within the refueling pipe during refueling can be inhibited, and fuel can be smoothly introduced into the tank body.
摘要翻译： 燃料箱的加油管结构包括罐体和连接到罐体以从其向上延伸的加油管。 加油管在其上端设有加油口，加油口可插入加油口。 该结构包括安装在加油口附近的加油管道内的流动方向限制装置，用于将燃料流从加油喷嘴的前端朝向加油管的内表面引导，同时限制回转燃料中的燃料流 方向沿着加油管的内表面。 因此，可以抑制在加油期间在加油管内产生蒸发燃料，并且可以将燃料顺利地引入罐体。
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5.发明授权
公开(公告)号：US5803054A
公开(公告)日：1998-09-08
申请号：US688858
申请日：1996-07-31
CPC分类号： F02M25/0854
摘要： An evaporative fuel-processing system for an internal combustion engine for use in a vehicle. A passage extends between the fuel tank and the intake passage, for guiding evaporative fuel generated in the fuel tank, for processing, across which a canister is arranged. A first passage and a second passage are connected to the canister. A first valve is arranged across the first passage to allow air to flow into the canister through the first passage and inhibit air containing evaporative fuel from being discharged from the canister through the first passage. A second valve is arranged across the second passage to inhibit air from flowing into the canister through the second passage and allow air containing evaporative fuel to be discharged from the canister through the second passage. A filter is arranged in the first passage.
摘要翻译： 一种用于车辆的内燃机的蒸发燃料处理系统。 通道在燃料箱和进气通道之间延伸，用于引导在燃料箱中产生的蒸发燃料，用于处理，排出一个罐。 第一通道和第二通道连接到罐。 第一阀布置在第一通道两侧以允许空气通过第一通道流入罐中，并且禁止含有蒸发燃料的空气通过第一通道从罐排出。 第二阀布置成跨过第二通道，以阻止空气通过第二通道流入罐中，并允许含有蒸发燃料的空气通过第二通道从罐排出。 在第一通道中布置有过滤器。
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6.发明授权Fuel tank for automotive vehicles and evaporative emission control system incorporating same 失效用于汽车的燃油箱和包含相同的蒸发排放控制系统
公开(公告)号：US5630445A
公开(公告)日：1997-05-20
申请号：US531607
申请日：1995-09-21
CPC分类号： B60K15/04 , F02M25/08 , Y10T137/7833 , Y10T137/86364 , Y10T137/86372
摘要： A fuel tank for an automotive vehicle has a tank body for storing fuel. A filler pipe is connected to the tank body. A fuel outlet port device is located within the tank body and connected to an end of the filler pipe. The fuel outlet port device has an outwardly facing fuel outlet opening from which fuel supplied through the filler pipe flows out into the body, and a fuel trap for storing part of the fuel supplied through the filler pipe to thereby prevent evaporative fuel generated within the tank body from flowing into the filler pipe. An evaporative emission control system is also provided, which incorporates the fuel tank.
摘要翻译： 用于机动车辆的燃料箱具有用于储存燃料的罐体。 加油管连接到油箱主体。 燃料出口装置位于罐体内并连接到加注管的一端。 燃料出口装置具有向外的燃料出口，通过加料管供给的燃料从该燃料出口开口流入主体，以及燃料收集器，用于储存通过填料管供应的燃料的一部分，从而防止在罐内产生的蒸发燃料 身体流入加注管。 还提供了包含燃料箱的蒸发排放控制系统。
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公开(公告)号：US5487369A
公开(公告)日：1996-01-30
申请号：US338218
申请日：1994-11-09
CPC分类号： F02M25/0854
摘要： An evaporative emission control system for an internal combustion engine includes a canister for adsorbing evaporative fuel generated in the fuel tank, a communication passage connecting between first and second adsorbent chambers defined in the canister, a first introducing passage for introducing the generated evaporative fuel into the canister on an occasion other than at fueling, a purging passage for purging the evaporative fuel adsorbed into the canister to the intake passage, and an air-inlet passage communicating with the atmosphere. The first introducing passage, the second air-inlet passage and the purging passage are connected to the first adsorbent chamber. A second introducing passage is connected to the second adsorbent chamber, for introducing the evaporative fuel thereinto at refueling, and an additional passage having a cross sectional area larger than that of the air-inlet passage and communicating with the atmosphere is connected to the first adsorbent chamber. A first valve is arranged across the air-inlet passage, for closing the same at refueling, and a second valve across the additional passage, for opening the same at refueling.
摘要翻译： 一种用于内燃机的蒸发排放控制系统包括：用于吸附在燃料箱中产生的蒸发燃料的罐，连接在罐内的第一和第二吸附室之间的连通通道，用于将产生的蒸发燃料引入 除了在加油之外的场合，用于将吸附到罐中的蒸发燃料吹扫到进气通道的吹扫通道以及与大气连通的空气入口通道。 第一引入通道，第二进气通道和清洗通道连接到第一吸附剂室。 第二引入通道连接到第二吸附剂室，用于在其中引入蒸发燃料以加油，并且具有大于空气入口通道的横截面面积并与大气连通的附加通道连接到第一吸附剂 房间。 第一阀布置在空气入口通道的两侧，用于在加油时关闭该第一阀，以及跨越附加通道的第二阀，用于在加油时打开该阀。
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公开(公告)号：US5456236A
公开(公告)日：1995-10-10
申请号：US335373
申请日：1994-11-03
IPC分类号： F02M25/08
CPC分类号： F02M25/0854
摘要： An evaporative emission control system for an internal combustion engine includes a canister for adsorbing evaporative fuel generated in the fuel tank, a first introducing passage for introducing evaporative fuel generated in the fuel tank into the canister on an occasion other than at refueling, a purging passage for purging evaporative fuel adsorbed in the canister into the intake passage of the engine, and a first air-inlet passage communicating between the canister and the atmosphere. First and second adsorbent chambers are formed in the canister and each accommodating an adsorbent. The first introducing passage and the purging passage are connected to the first adsorbent chamber. The first air-inlet passage is connected to the second adsorbent chamber. A communication passage communicates between the first adsorbent chamber and the second adsorbent chamber. A second introducing passage is connected to the first and second adsorbent chambers, for introducing evaporative fuel generated in the fuel tank into the canister at refueling. A second air-inlet passage communicates between the first adsorbent chamber and the atmosphere. An electromagnetic valve is arranged across the second introducing passage, for opening the same at refueling.
摘要翻译： 一种用于内燃机的蒸发排放控制系统包括：用于吸附在燃料箱中产生的蒸发燃料的罐;第一引入通道，用于在燃料箱内产生的蒸发燃料在加油之外的场合引入罐中;清洗通道 用于将吸附在罐中的蒸发燃料吹入发动机的进气通道中，以及在罐和大气之间连通的第一空气入口通道。 第一和第二吸附剂室形成在罐中，并且每个容纳吸附剂。 第一引入通道和清洗通道连接到第一吸附剂室。 第一进气通道连接到第二吸入室。 连通通道在第一吸附剂室和第二吸附剂室之间连通。 第二引入通道连接到第一和第二吸附室，用于在加油时将在燃料箱中产生的蒸发燃料引入罐中。 第二空气入口通道在第一吸附剂室和大气之间连通。 电磁阀跨越第二导入通道布置，以在加油时打开电磁阀。
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公开(公告)号：US5456237A
公开(公告)日：1995-10-10
申请号：US317804
申请日：1994-10-04
CPC分类号： F02M25/0854
摘要： In an evaporative fuel processing device, a canister is divided into first, second, third and fourth chambers by partition walls. A control valve is provided in a communication passage which connects the second and third chambers to each other. A first charge passage is connected to an upper space in a fuel tank and to a port in the third chamber, and a second charge passage is connected to a fuel supply valve for the fuel tank and to a port in the first chamber. Further, a purge passage is connected to an intake passage of an internal combustion engine and to a port in the first chamber. The control valve is connected to an electronic control unit, and opened during refueling and during traveling of a vehicle and closed during parking of the vehicle. Thus, it is possible to reliably prevent an evaporative fuel from being released to the atmosphere, while the capacity of the canister to a minimum.
摘要翻译： 在蒸发燃料处理装置中，通过分隔壁将罐分成第一，第二，第三和第四室。 控制阀设置在将第二和第三室彼此连接的连通通道中。 第一充电通道连接到燃料箱的上部空间和第三室中的端口，第二充电通道连接到用于燃料箱的燃料供应阀和第一室中的端口。 此外，清洗通道连接到内燃机的进气通道和第一室中的端口。 控制阀连接到电子控制单元，并且在加油期间和在车辆行驶期间打开并在停车期间关闭。 因此，可以可靠地防止蒸发燃料被释放到大气中，同时将罐的容量降至最低。
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公开(公告)号：US5634450A
公开(公告)日：1997-06-03
申请号：US661552
申请日：1996-06-11
IPC分类号： F02M25/08
CPC分类号： F02M25/0854
摘要： A canister is comprised of a casing including a top wall, a vertical wall, first and second chambers formed in the casing and each accommodating an adsorbent, and a partition member partitioning the first and second chambers from each other. A plurality of first protuberances are formed on the inner surface of the top wall at a portion thereof facing toward the first chamber, and a plurality of second protuberances on the inner surface of the vertical wall at a portion thereof facing toward the first chamber. First and second filters are mounted in the first chamber in a fashion abutting on the plurality of the first and second protuberances, respectively. A first space is defined in the top wall between the first filter and the portion of the inner surface of the top wall, and a second space is defined in the vertical wall between the second filter and the portion of the inner surface of the vertical surface and communicates with the first space. A charging port and a purging port are each formed in the top wall at a location corresponding to the first chamber and each open into the first space. An atmospheric air port is formed in the top wall at a location corresponding to the second chamber.
摘要翻译： 罐由包括顶壁，垂直壁，形成在壳体中并各自容纳吸附剂的第一和第二室以及分隔第一和第二室彼此分隔的隔板构成。 多个第一突起形成在顶壁的内表面上，其面向第一室的部分，以及在垂直壁的内表面上的面向第一室的部分的多个第二突起。 第一和第二过滤器以分别抵接在多个第一和第二突起上的方式安装在第一室中。 第一空间限定在第一过滤器和顶壁的内表面的部分之间的顶壁中，并且第二空间限定在第二过滤器和垂直表面的内表面的部分之间的垂直壁中 并与第一空间通信。 充气口和清洗口分别形成在与第一室对应的位置处的顶壁中，并且每个开口进入第一空间。 在对应于第二室的位置的顶壁中形成大气空气口。
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