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公开(公告)号：US07780150B2
公开(公告)日：2010-08-24
申请号：US12174665
申请日：2008-07-17
申请人： Toshiyuki Yamazaki
发明人： Toshiyuki Yamazaki
IPC分类号： F02M1/16
CPC分类号： F02M37/0023 , F02M1/02 , F02M1/08 , F02M1/16 , F02M5/10 , F02M37/007 , F02M37/04
摘要： A fuel supply device for an engine includes a fuel tank positioned such that, at least when the fuel tank is filled with fuel, a first fuel level in the fuel tank is higher than a minimum required second fuel level in a float chamber. A bypass passage that bypasses a fuel pump is provided, and an on-off valve is disposed in the bypass passage. The fuel supply device is capable of improving a starting characteristic of the engine during an off period of the fuel pump without increasing a head difference between the first and second fuel levels.
摘要翻译： 用于发动机的燃料供应装置包括燃料箱，其被定位成使得至少在燃料箱充满燃料时，燃料箱中的第一燃料液位高于浮子室中所需的最低二级燃料液位。 设置旁路燃料泵的旁路通路，在旁通通路上配置开关阀。 燃料供给装置能够在燃料泵的关闭期间改善发动机的起动特性，而不会增加第一和第二燃料液位之间的磁头差。
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公开(公告)号：US20090051054A1
公开(公告)日：2009-02-26
申请号：US12174665
申请日：2008-07-17
申请人： Toshiyuki YAMAZAKI
发明人： Toshiyuki YAMAZAKI
IPC分类号： F02M37/04
CPC分类号： F02M37/0023 , F02M1/02 , F02M1/08 , F02M1/16 , F02M5/10 , F02M37/007 , F02M37/04
摘要： A fuel supply device for an engine includes a fuel tank positioned such that, at least when the fuel tank is filled with fuel, a first fuel level in the fuel tank is higher than a minimum required second fuel level in a float chamber. A bypass passage that bypasses a fuel pump is provided, and an on-off valve is disposed in the bypass passage. The fuel supply device is capable of improving a starting characteristic of the engine during an off period of the fuel pump without increasing a head difference between the first and second fuel levels.
摘要翻译： 用于发动机的燃料供应装置包括燃料箱，其被定位成使得至少在燃料箱充满燃料时，燃料箱中的第一燃料液位高于浮子室中所需的最低二级燃料液位。 设置旁路燃料泵的旁路通路，在旁通通路上配置开关阀。 燃料供给装置能够在燃料泵的关闭期间改善发动机的起动特性，而不会增加第一和第二燃料液位之间的磁头差。
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公开(公告)号：US4944897A
公开(公告)日：1990-07-31
申请号：US306806
申请日：1989-02-03
申请人： Bo C. Andreasson
发明人： Bo C. Andreasson
CPC分类号： F02M17/04 , F02M15/00 , F02M37/20 , F02M5/10 , F02D2200/0606 , Y10S261/68 , Y10S261/81
摘要： An arrangement for limiting the temperature in a carburetor etc. of an engine prevents evaporation of fuel at a temporary stop in the operation of the engine. A receptacle (30) integrated with the carburetor contains a material (31), e.g. paraffin, with a melting point over the normal operating temperature. At a temperature above this melting point the material absorbs melting heat from the environment causing a limitation of the temperature. In this limited temperature the fuel evaporates much slower and a direct start with the remaining fuel after the operating stop is quite possible.
摘要翻译： 用于限制发动机的化油器等中的温度的装置可防止在发动机运转中暂时停止燃料的蒸发。 与化油器一体化的容器（30）包含材料（31），例如 石蜡，熔点超过正常工作温度。 在高于该熔点的温度下，材料吸收来自环境的熔化热导致温度的限制。 在这个有限的温度下，燃料蒸发速度要慢得多，而在运行停止之后，剩余燃料就可以直接开始。
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公开(公告)号：US4207277A
公开(公告)日：1980-06-10
申请号：US862840
申请日：1977-12-21
申请人： Masakatsu Sanada , Toshimitsu Ito
发明人： Masakatsu Sanada , Toshimitsu Ito
CPC分类号： F02M5/14 , F02M15/045 , F02M5/10 , Y10S261/74
摘要： A float chamber means for a carburetor having a heating element provided in its float chamber for selectively heating liquid fuel contained in the float chamber so that highly volatile components included in the fuel are vaporized in the float chamber and released from the liquid fuel before it enters into fuel passages provided in the carburetor thereby avoiding percolation due to abnormal vaporization of fuel in those fuel passages.
摘要翻译： 一种用于化油器的浮子室装置，其具有设置在其浮动室中的加热元件，用于选择性地加热容纳在浮动室中的液体燃料，使得包含在燃料中的高挥发性组分在浮动室中蒸发并在液体燃料进入之前从液体燃料中释放 进入设置在化油器中的燃料通道，从而避免由于那些燃料通道中的燃料的异常汽化引起的渗透。
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公开(公告)号：US4129106A
公开(公告)日：1978-12-12
申请号：US381346
申请日：1973-07-20
申请人： Donald L. Sellman
发明人： Donald L. Sellman
CPC分类号： F02M5/10 , F02M37/20 , Y10T137/3109 , Y10T137/86324
摘要： Vapor lock and fuel vaporization controls for a gasoline fuel supply system for an internal combustion engine having a diaphragm type fuel pump and a carburetor with a fuel bowl havig a float controlled inlet valve; that comprises two one chamber auxiliary fuel vessels, that are located at strategic places in the fuel flow line, to provide automatic gravity feed to the fuel pump inlet and to the inlet of the carburetor fuel bowl even under adverse heat conditions and as the fuel flows by gravity through each of these vessels there will be a suction exerted on the inlet fuel conduct leading to inlet of the vessel, to bring gas and or liquid fuel forward where the gas bubbles are caught in the gas dome at the top side of each vessel where it is held out of the way as the onward flow of liquid fuel gradually condenses the gas.
摘要翻译： 用于内燃机的汽油燃料供应系统的蒸汽锁和燃料蒸发控制装置，其具有隔膜式燃料泵和具有带有浮动控制入口阀的燃料碗的化油器; 其包括位于燃料流动管线中的战略位置的两个单室辅助燃料容器，以便即使在不利的加热条件下也能够向燃料泵入口和化油器燃料箱的入口提供自动重力供给，并且随着燃料流动 通过重力通过这些容器中的每一个，将在通向容器的入口的入口燃料导管上施加吸力，以将气体和/或液体燃料向前推入，其中气泡被捕获在每个容器的顶侧的气体圆顶中 当液体燃料的向前流动逐渐冷凝气体时，其被阻止。
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公开(公告)号：US4108126A
公开(公告)日：1978-08-22
申请号：US793637
申请日：1977-05-04
申请人： Masakatsu Sanada , Masahiko Nakada
发明人： Masakatsu Sanada , Masahiko Nakada
CPC分类号： F02D33/006 , F02M37/0064 , F02M5/10
摘要： Disclosed is a fuel feed device of an internal combustion engine. The fuel supply conduit communicating the carburetor and the fuel tank is arranged in the carburetor for cooling the carburetor and for vaporizing the low boiling components in the fuel only when the temperature of the engine is higher than a predetermined level. The fuel flowing out from the fuel supply passage located in the carburetor is introduced into a low boiling component separator. In this separator, the low boiling components in the fuel are removed, and then the fuel consisting of the high boiling components is fed into the carburetor to prevent the occurrence of an abnormal fuel metering operation under a high-temperature condition.
摘要翻译： 公开了一种内燃机的燃料供给装置。 连通化油器和燃料箱的燃料供给管路配置在化油器中，用于冷却化油器，并且仅在发动机的温度高于预定水平时蒸发燃料中的低沸点成分。 从位于化油器中的燃料供给通道流出的燃料被引入低沸点组分分离器中。 在该分离器中，除去燃料中的低沸点成分，然后将由高沸点成分构成的燃料送入化油器，以防止在高温条件下出现异常的燃料计量操作。
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公开(公告)号：US3618581A
公开(公告)日：1971-11-09
申请号：US3618581D
申请日：1969-08-29
CPC分类号： F02M5/10 , F02M3/02 , Y10S123/11 , Y10S261/74 , Y10S261/81
摘要： Carburetors for internal combustion engines are provided with means which, on stopping of the engine, obturate the fuel path from the float chamber to the inlet manifold, and thus prevent the passage of fuel from the float chamber while the engine is standing. Restarting of the engine is thereby facilitated.
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公开(公告)号：US3196926A
公开(公告)日：1965-07-27
申请号：US19818062
申请日：1962-05-28
申请人： FORD MOTOR CO
发明人： GARTLAND WILLIAM A
CPC分类号： F02M37/14 , F02M5/10 , Y10S261/81 , Y10T137/2703 , Y10T137/6552 , Y10T137/7439 , Y10T137/85954
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公开(公告)号：US20060219225A1
公开(公告)日：2006-10-05
申请号：US11092532
申请日：2005-03-29
申请人： George Pattullo
发明人： George Pattullo
摘要： A recoil starter for an internal combustion engine has a housing with a pulley carried at least in part for rotation therein. The pulley is arranged in operable communication with a crankshaft of the engine. A pull cord is wound about the pulley with one end of the cord being arranged to be pulled by a user to rotate the pulley. An actuator is carried for rotation in response to rotation of the pulley. A pump is arranged for actuation in response to rotation of the actuator to provide fresh liquid fuel to a carburetor and remove fuel vapor and stale fuel from the carburetor and deliver it to a fuel tank prior to starting the engine.
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