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1. 发明授权

US5365985A Vapor guard for vapor recovery system 失效
标题翻译：蒸汽回收系统的蒸汽防护装置
公开(公告)号：US5365985A
公开(公告)日：1994-11-22
申请号：US154770
申请日：1993-11-18
申请人： John A. Todd , William H. Constantine
发明人： John A. Todd , William H. Constantine
IPC分类号： B67D7/42 , B67D7/54 , B65B3/00
CPC分类号： B67D7/421 , B67D7/54
摘要： A vapor guard mounted on a gasoline dispenser nozzle includes a collapsible resilient section which provides a limited expansion force enabling the use of a standard gasoline dispenser retainer spring to catch on the vehicle fill pipe flange for hands-free fuel dispensing and straight-pull removal. The expansion force of the collapsible resilient section also is limited to ensure the existence of non-sealing contact between the end of the vapor guard and the fill pipe flange. The vapor guard is sized and positioned on the dispenser to enable the user to see the end of the nozzle as it is inserted into the vehicle fill pipe and aligned with a nozzle port in a restricter plate located in the fill pipe.
摘要翻译：安装在汽油分配器喷嘴上的蒸汽保护罩包括可折叠的弹性部分，其提供有限的膨胀力，使得能够使用标准汽油分配器固定弹簧来抓住车辆填充管法兰上，以实现免提燃料分配和直拉除去。可折叠弹性部分的膨胀力也受到限制，以确保在防护罩的端部与填充管法兰之间存在非密封接触。蒸汽护罩的尺寸和位置在分配器上，以使使用者能够在喷嘴插入车辆填充管时看到喷嘴的端部，并与位于填充管中的限制器板中的喷嘴端口对齐。

2. 发明授权

US5332008A Gasoline dispenser with enhanced vapor recovery system 失效
标题翻译：具有增强蒸汽回收系统的汽油分配器
公开(公告)号：US5332008A
公开(公告)日：1994-07-26
申请号：US13582
申请日：1993-02-04
申请人： John A. Todd , William H. Constantine
发明人： John A. Todd , William H. Constantine
IPC分类号： B67D7/04 , B65B3/18
CPC分类号： B67D7/0486 , Y10T137/86324
摘要： A service station dispenser for gasoline with a vapor collection system is disclosed which processes the electrical signal typically produced by the fuel meter which represents the volume flow rate of fuel to the tank to control the displacement volume of an electrically driven vacuum pump so that a simple vacuum intake disposed preferably inside, but not sealed with, the filler neck can be used to collect only the vapors displaced from the fuel tank by the fuel. The vacuum pump is controlled by a digital processor which prestarts the vacuum pump after a customer demands dispensing to establish a vacuum at the vacuum intake is established by the time fueling is allowed to take place so as have an immediate vacuum available to assist recovery of an initial rush of vapor displaced by commencement of fueling. Once fuel flow starts, the digital processor operates the vacuum pump to produce a vapor flow rate having a proportional relationship with the flow rate of the fuel.
摘要翻译：公开了一种具有蒸气收集系统的用于汽油的维修站分配器，其处理通常由燃料计量器产生的电信号，其表示到罐的燃料的体积流量以控制电动真空泵的排量，使得简单真空吸入器优选地设置在内部而不是用填充物颈部密封，可用于仅收集由燃料从燃料箱排出的蒸气。真空泵由数字处理器控制，该数字处理器在客户要求分配之后提供真空泵，在真空吸入时建立真空，这是通过允许进行燃料发生的时间建立的，以便具有可立即提供的真空以辅助回收由于开始加油而最初的蒸气排放。一旦燃料流量开始，数字处理器操作真空泵以产生与燃料的流速成比例关系的蒸汽流量。

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