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1.发明公开Method for measuring the quantity of fluid ejected by an injector and device to effect said measuring 有权执行该方法用于通过该方法测量从注射器和流体量计中喷射出的燃料
公开(公告)号：EP1746394A3
公开(公告)日：2008-03-12
申请号：EP06117335.7
申请日：2006-07-17
申请人： AEA S.r.l.
发明人： Surace, Filippo , Bassi, Aldo , Ungaro, Carmine
CPC分类号： F02M65/001 , F02M2200/31 , G01F9/001
摘要： A method for measuring the quantity of fluid ejected by an injector is described, characterised in that it provides the following steps:
a) the pressure trend inside a chamber is detected during a certain number of stabilised injection cycles;
b) the average liquid flow rate is measured;
c) from the average liquid flow rate and from the difference between the instant pressures and the outlet pressure, parameters C 0 , C 1 and C 2 are obtained, which allow to calculate the instant flow rate of the injector;
d) by employing the three parameters, the value of the instant flow rate is obtained on the basis of the pressure derivative with respect to time.
Furthermore, a device is described to put the above-said method into practice.-
2.发明授权
公开(公告)号：EP1746394B1
公开(公告)日：2010-09-22
申请号：EP06117335.7
申请日：2006-07-17
申请人： AEA S.r.l.
发明人： Surace, Filippo , Bassi, Aldo , Ungaro, Carmine
CPC分类号： F02M65/001 , F02M2200/31 , G01F9/001
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3.发明公开Method for measuring the quantity of fluid ejected by an injector and device to effect said measuring 有权Messerätzur Messung der von einem Injektor eingepritzten Fluidmenge
公开(公告)号：EP1746394A2
公开(公告)日：2007-01-24
申请号：EP06117335.7
申请日：2006-07-17
申请人： AEA S.r.l.
发明人： Surace, Filippo , Bassi, Aldo , Ungaro, Carmine
CPC分类号： F02M65/001 , F02M2200/31 , G01F9/001
摘要： A method for measuring the quantity of fluid ejected by an injector is described, characterised in that it provides the following steps:
a) the pressure trend inside a chamber is detected during a certain number of stabilised injection cycles;
b) the average liquid flow rate is measured;
c) from the average liquid flow rate and from the difference between the instant pressures and the outlet pressure, parameters C 0 , C 1 and C 2 are obtained, which allow to calculate the instant flow rate of the injector;
d) by employing the three parameters, the value of the instant flow rate is obtained on the basis of the pressure derivative with respect to time.
Furthermore, a device is described to put the above-said method into practice.摘要翻译： 描述了一种用于测量由喷射器喷射的流体的量的方法，其特征在于其提供以下步骤：a）在一定数量的稳定喷射循环期间检测室内的压力趋势; b）测量平均液体流速; c）从平均液体流速以及瞬时压力和出口压力之间的差值获得参数C 0，C 1和C 2，这可以计算出喷射器的瞬时流量; d）通过采用三个参数，基于相对于时间的压力导数获得即时流量的值。 此外，描述了将上述方法付诸实践的装置。
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