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1. 发明授权

US08539991B1 Vapor recovery fuel dispensing nozzle 有权
标题翻译：蒸汽回收燃料分配喷嘴
公开(公告)号：US08539991B1
公开(公告)日：2013-09-24
申请号：US12807888
申请日：2010-09-16
申请人： Cameron D. Carmack , David L. Imler
发明人： Cameron D. Carmack , David L. Imler
IPC分类号： B65B1/30 , B67D7/48
CPC分类号： B67D7/48
摘要： A vacuum-assist fuel dispensing nozzle has a body defining a fuel supply passage and a vapor return passage each having a control valve operated simultaneously by a hand actuated lever pivotally connected to an axially movable tubular member retained by a diaphragm actuated clutch. A fuel dispensing spout extends from the body and a fuel responsive poppet valve, and the spout encloses an air bleed passage which actuates the clutch. The housing supports a vapor flow responsive valve within the vapor passage and includes a ferrous valve member or disc movable within retainers between a closed position contacting an annular seat to block the flow of vapor and an open position permitting a free flow of vapor through the vapor passage. A circular magnet is supported by the retainers and magnetically attracts the valve disc to the closed position in response to no flow of vapor through the vapor passage.
摘要翻译：真空辅助燃料分配喷嘴具有限定燃料供应通道和蒸汽返回通道的主体，每个阀都具有通过手动致动杆同时操作的控制阀，所述手动致动杆可枢转地连接到由隔膜致动离合器保持的可轴向移动的管状构件。燃料分配喷口从主体和燃料响应提升阀延伸，并且喷口包围致动离合器的排气通道。壳体在蒸汽通道内支撑蒸气流响应阀，并且包括可在保持器内的可移动的铁质阀构件或盘，该闭合位置在接触环形座之间的闭合位置以阻止蒸气流和允许蒸气自由流过蒸气的打开位置通道。圆形磁体由保持器支撑，并且响应于没有蒸气通过蒸汽通道的流动而将阀盘磁吸引到关闭位置。

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