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1. 发明授权

US3934756A Blending-type motor fuel dispensing apparatus 失效
标题翻译：混合式电动机燃料分配装置
公开(公告)号：US3934756A
公开(公告)日：1976-01-27
申请号：US455476
申请日：1974-03-27
申请人： Einar T. Young , Stephen M. Fromnick , Robert Mayer , Robert H. Livesay
发明人： Einar T. Young , Stephen M. Fromnick , Robert Mayer , Robert H. Livesay
IPC分类号： B67D7/22 , B67D7/74 , B67D5/22
CPC分类号： B67D7/228 , B67D7/744 , B67D2007/746
摘要： A blending-type motor fuel dispensing apparatus operates to blend together, in various proportions, two liquid motor fuels (gasolines) of different octane ratings, to produce various grades of product. The quantity and cost displays, and also the automatic control of the blend during dispensing, are based upon the summation of two sets of pulses, the number of pulses in each set being proportional to the integrated flow rate of a corresponding one of the two fuels. The pulses are counted and multiplied by a price per gallon, which has been previously set for the grade being dispensed, to provide a cost display. A pulse comparison circuit, which compares pulses representative of the flow of one fuel with a percentage (settable for each blend) of the summed pulses, is used to control the proportioning of the two fuels.Selection of a desired product for dispensing (one out of five products, for example) is made by operating an appropriate pushbutton; when this is done, the proportioning control valves are automatically pre-positioned to a setting corresponding to the particular selection that has been made.
摘要翻译：混合型电动机燃料分配装置以不同比例混合两种不同辛烷值的液体马达燃料（汽油），以产生各种等级的产品。显示数量和成本以及分配期间混合物的自动控制是基于两组脉冲的总和，每组中的脉冲数与两种燃料中相应的一种燃料的综合流速成比例。脉冲被计数并乘以每加仑的价格，这是先前为被分配的等级设定的，以提供成本显示。将用于表示一种燃料的流量的脉冲与相加的脉冲的百分比（每个混合可设定）进行比较的脉冲比较电路用于控制两种燃料的比例。

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