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公开(公告)号：EP2809942B1
公开(公告)日：2020-01-01
申请号：EP13712353.5
申请日：2013-02-01
申请人： ELTEK S.p.A.
发明人： RONDANO, Matteo , ZORZETTO, Mauro
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2.发明公开
公开(公告)号：EP2689242A2
公开(公告)日：2014-01-29
申请号：EP12722511.8
申请日：2012-03-23
申请人： ELTEK S.p.A.
CPC分类号： G01N27/4166 , F02M55/025 , F02M65/00 , F02M2200/24 , F02M2200/8023 , F02M2200/853 , G01N27/30 , G01N33/2835
摘要： A sensor for detecting the properties of the fuel of an internal combustion engine includes at least one pair of internal electrodes (12, 13), extending in an axial direction relative to a further or third external electrode (14) which surrounds them. The invention also relates to a fuel rail (2) to which the sensor may be mounted, and a method for detecting the properties of the fluid.
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公开(公告)号：EP3861304A1
公开(公告)日：2021-08-11
申请号：EP19794654.4
申请日：2019-10-03
申请人： Eltek S.p.A.
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4.发明公开SENSOR AND METHOD FOR MEASURING PROPERTIES OF A LIQUID BY MEANS OF A SENSING ELEMENT 审中-公开传感器和方法测量液体的特性通过传感器元件来
公开(公告)号：EP2810043A1
公开(公告)日：2014-12-10
申请号：EP13712354.3
申请日：2013-02-01
申请人： ELTEK S.p.A.
CPC分类号： G01N29/022 , G01N9/002 , G01N11/16 , G01N29/036 , G01N2009/004 , G01N2291/02818 , G01N2291/0427
摘要： The invention relates to a sensor (2-2
IV ) for detecting the density and the viscosity of a liquid fuel, in particular for a vehicle, comprising a sensing element (4, 4
III , 4
IV ) placed in contact with said liquid fuel and near a reference element (28, 28
I , 28
II , 28
III , 31), so as to affect the motion of the liquid fuel flow by increasing the viscous friction effect of the sensing element (4, 4
III , 4
IV ), so that the resonance frequency of said sensing element (4, 4
III , 4
IV ) will be affected more by the density and viscosity of said liquid fuel.-
公开(公告)号：EP3861303A1
公开(公告)日：2021-08-11
申请号：EP19794652.8
申请日：2019-10-03
申请人： Eltek S.p.A.
IPC分类号： G01F23/26
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公开(公告)号：EP3194910A1
公开(公告)日：2017-07-26
申请号：EP15781735.4
申请日：2015-09-14
申请人： Eltek S.p.A.
IPC分类号： G01F23/26
CPC分类号： G01F23/268 , G01F23/26 , G01F23/263 , G01F23/265 , G01F23/266
摘要： A sensor for detecting the level of a medium contained in a container, in particular a tank, comprises: an array of capacitive elements designed to be associated to the container (1), in particular so as to extend according to an axis of detection (X) of the level of the medium (L), the array of capacitive elements comprising a plurality of electrodes (Ji-Jn), in particular on a face of an electrically insulating substrate (20) having a generally elongated shape, the electrodes (Ji-Jn) being spaced apart from one another, in particular along the detection axis (X), and being preferably substantially coplanar with one another; at least one insulation layer (16) for insulating electrically the electrodes (Ji-Jn) with respect to the inside of the container (1); and a controller (24) having a plurality of inputs. Each capacitive element comprises at least one of a single electrode and a set of electrodes connected together in common, in particular in parallel, the single electrode or the set of electrodes being connected to a respective input of the plurality of inputs. The controller (24) is pre-arranged for discriminating a value of capacitance associated to each electrode (Ji-Jn) in order to deduce the level of the medium present container.
摘要翻译： 一种用于检测包含在容器，特别是容器中的介质的液位的传感器，包括：电容元件阵列，其被设计为与容器（1）相关联，特别是根据检测轴线（ （L）的电平的电容元件阵列（X），所述电容元件阵列包括多个电极（Ji-Jn），特别是在具有大致细长形状的电绝缘衬底（20）的面上，电极 Ji-Jn）彼此间隔开，特别是沿着检测轴线（X），并且优选地基本上彼此共面; 至少一个绝缘层（16），用于使电极（Ji-Jn）相对于容器（1）的内部电绝缘; 和具有多个输入的控制器（24）。 每个电容元件包括共同连接在一起的，特别是并联的单电极和一组电极中的至少一个，单电极或电极组连接到多个输入的相应输入。 控制器（24）被预先安排用于区分与每个电极（Ji-Jn）相关联的电容的值，以便推断存在介质的容器的水平。
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公开(公告)号：EP3194909A2
公开(公告)日：2017-07-26
申请号：EP15781734.7
申请日：2015-09-14
申请人： Eltek S.p.A.
IPC分类号： G01F23/26
CPC分类号： G01F23/265 , G01F23/263 , G01F23/266 , G01F23/268
摘要： A sensor for detecting the level of a medium contained in a container, in particular a tank, comprises: an array of capacitive elements designed to be associated to the container (1), in particular so as to extend according to an axis of detection (X) of the level of the medium (L), the array of capacitive elements comprising a plurality of electrodes (J
1 -J
n ), in particular on a face of an electrically insulating substrate (20) having a generally elongated shape, the electrodes (J
1 -J
n ) being spaced apart from one another, in particular along the detection axis (X), and being preferably substantially coplanar with one another; at least one insulation layer (16) for insulating electrically the electrodes (J
1 -J
n ) with respect to the inside of the container (1); and a controller (24) having a plurality of inputs. Each capacitive element comprises a set of electrodes connected together in common, in particular in parallel, each set of electrodes being connected to a respective input of the plurality of inputs. The controller (24) is pre-arranged for discriminating a value of capacitance associated to each electrode (J
1 -J
n ) in order to deduce the level of the medium present container.摘要翻译： 一种用于检测包含在容器，特别是容器中的介质的液位的传感器，包括：电容元件阵列，其被设计为与容器（1）相关联，特别是根据检测轴线（ （L）的电平的电容元件阵列（X），所述电容元件阵列包括多个电极（J1-Jn），特别是在具有大致细长形状的电绝缘衬底（20）的面上，电极 J1）彼此间隔开，特别是沿着检测轴线（X），并且优选地基本上彼此共面; 至少一个绝缘层（16），用于使电极（J1-Jn）相对于容器（1）的内部电绝缘; 和具有多个输入的控制器（24）。 每个电容元件包括共同连接在一起的一组电极，特别是并联连接在一起，每组电极连接到多个输入的相应输入。 控制器（24）被预先设置用于区分与每个电极（J1-Jn）相关联的电容的值，以便推断存在介质的容器的水平。
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公开(公告)号：EP3394578A1
公开(公告)日：2018-10-31
申请号：EP16836103.8
申请日：2016-12-23
申请人： Eltek S.p.A.
发明人： RONDANO, Matteo , ZORZETTO, Mauro , CHIESA, Enrico
CPC分类号： G01F23/265 , G01F23/0092 , G01F25/0061
摘要： A capacitive level- sensor device, for detecting the level of at least one medium (L, A, I) contained in a container (1) comprises at least: - a detection part (11) that includes an array of capacitive elements, the array of capacitive elements comprising at least one set of electrodes (Ji-Jn) on a substrate (20), the electrodes (Ji-Jn) being set at a distance from one another according to a level-detection axis (X), the detection part (11) including at least one insulating layer (16) for electrically insulating the electrodes (Ji-Jn) with respect to the medium (L, A, I); and - a control circuit (24) having a plurality of first inputs (INi-INn), electrically connected to which are the electrodes (Ji-Jn). The control circuit (24) is prearranged for carrying out a sequential sampling of the inputs of the plurality of first inputs (INi-INn) and for comparing a value representing the capacitance associated to each electrode (Ji-Jn) with at least one corresponding reference threshold, in particular for deducing the medium (L, A, I) facing each electrode(Ji-Jn) and/or the level thereof. The detection part (11) further comprises at least one temperature sensor (27), connected to at least one respective second input (INTS) of the control circuit (24). The control circuit (24) is moreover prearranged for carrying out a compensation of at least one of the following: - the value representing electrical capacitance associated to each electrode (Ji-Jn;); - a value indicating the medium (L, A, I) facing each electrode(Ji-Jn); and - the at least one reference threshold, according to information representing at least one temperature value acquired on the at least one second input (INTS).
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10.发明公开
公开(公告)号：EP3149435A2
公开(公告)日：2017-04-05
申请号：EP15731706.6
申请日：2015-05-28
申请人： Eltek S.p.A.
IPC分类号： G01F23/26
CPC分类号： G01F23/265 , G01F23/26 , G01F23/263 , G01F23/266 , G01F23/268
摘要： The controller (24) is prearranged for discriminating a value of electrical capacitance associated with each electrode (J1-Jn) to deduce the level of the medium present in the vessel.
摘要翻译： 一种用于检测包含在容器（特别是罐）中的介质的液位的液位传感器，包括：设计成与容器（1）相关联的电容元件阵列，特别是根据检测轴（X ）电介质（L）的电平，电容元件阵列包括多个电极（J1-Jn），特别是在具有大致细长形状的电绝缘基片（20）的表面上，电极（J1 -Jn）彼此间隔开，特别是沿着检测轴线（X）彼此间隔开，并且优选地彼此基本共面;至少一个绝缘层（16），用于将电极（J1-Jn）电绝缘 到容器（1）的内部，具有多个输入的控制器（24）。 每个电容元件包括单个电极和一组电极中的至少一个，这些电极相互共同连接，特别是平行连接，单电极或电极组连接到多个输入的相应输入端。 控制器（24）被预先排列，用于识别与每个电极（J1-Jn）相关联的电容值，以推断存在于容器中的介质的水平。
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