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31.发明公开LEVEL SENSOR AND ASSOCIATED CONTROL CIRCUIT, IN PARTICULAR FOR A FILTER FOR VEHICLES 审中-公开传感器及相关控制电路特别是用于过滤车辆
公开(公告)号：EP2435803A1
公开(公告)日：2012-04-04
申请号：EP10730527.8
申请日：2010-05-25
申请人： ELTEK S.p.A.
发明人： MOLINARO, Marco , ZORZETTO, Mauro , COLOMBO, Paolo
CPC分类号： G01F23/244 , G01F23/242
摘要： The present invention relates to a sensing device, which comprises at least one electrode pair (2, 3, 4) and one sensing circuit (140) connected to said electrode pair (2, 3, 4). The sensing circuit (140) switches the value of its own output voltage when a substance establishes contact across the electrodes (2, 3, 4). The device further comprises one output circuit (180) connected to the output of the sensing circuit (140) and adapted to provide an output signal (s7) representative of the presence of a substance across the electrode pair (2,3, 4), The device also comprises means that allow the output signal to take different voltage and/or current and/or frequency values, in particular such that values can be discerned which are representative of the presence or level of substances and/or representative of faults of said device.
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公开(公告)号：EP4118408A1
公开(公告)日：2023-01-18
申请号：EP21717216.2
申请日：2021-03-11
申请人： Eltek S.p.A.
发明人： ZORZETTO, Mauro , BIGLIATI, Marco
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公开(公告)号：EP3696526A1
公开(公告)日：2020-08-19
申请号：EP20162541.5
申请日：2009-06-17
申请人： Eltek S.p.A.
发明人： COLOMBO, Paolo , CANTARELLI, Domenico , BIGLIATI, Marco , ZORZETTO, Mauro , NEBBIA, Fabio , MARTINENGO, Giorgio
摘要： A pressure sensor device comprises a casing (2a, 3a) defining a chamber (20) and an inlet passage (14a, 14b) of the chamber. Accommodated in the chamber (20) is a pressure sensor (17) having a sensor body with a cavity and a membrane capable of deformation under pressure action of a fluid present in the inlet passage (14a, 14b). The device further comprises a circuit arrangement (26, 27, 30) to which the pressure sensor (17) is electrically connected, the circuit arrangement including a circuit support at least partially accommodated in the chamber (20). The sensor body is not rigidly associated to the casing (2a, 3a) and/or to other parts of the device (26, 27, 30, 35), i.e. it is mounted elastically or in a moveable manner with respect to the casing (2a, 3a) and/or to said other parts (26, 27, 30, 35) inside the chamber (20).
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公开(公告)号：EP3655732A1
公开(公告)日：2020-05-27
申请号：EP18752628.0
申请日：2018-07-13
申请人： ELTEK S.p.A.
IPC分类号： G01F23/26
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公开(公告)号：EP2288892B1
公开(公告)日：2018-11-07
申请号：EP09766278.7
申请日：2009-06-17
申请人： Eltek S.p.A.
发明人： COLOMBO, Paolo , CANTARELLI, Domenico , BIGLIATI, Marco , ZORZETTO, Mauro , NEBBIA, Fabio , MARTINENGO, Giorgio
CPC分类号： G01L19/147 , G01L19/0038 , G01L19/0084 , G01L19/0092 , G01L19/146
摘要： A pressure sensor device comprises: -a casing (2a, 3a) defining a cavity (7) with an inlet passage (8a, 8b), -a pressure sensor (30) having a body accommodated in the cavity (7), for detecting the pressure of a fluid present in the inlet passage (8a, 8b), -a circuit arrangement including a circuit support (20) at least partially accommodated in the cavity (7) according to a respective laying plane, the pressure sensor (30) being mounted on the circuit support (20). Associated to the circuit support (20) is a protection body (31) surrounding the pressure sensor (30), the protection body (31) externally defining a seat for positioning a respective seal member (35), in particular a radial seal gasket, intended to cooperate with an internal surface of the casing (2a, 3 a).
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公开(公告)号：EP2288892A1
公开(公告)日：2011-03-02
申请号：EP09766278.7
申请日：2009-06-17
申请人： Eltek S.p.A.
发明人： COLOMBO, Paolo , CANTARELLI, Domenico , BIGLIATI, Marco , ZORZETTO, Mauro , NEBBIA, Fabio , MARTINENGO, Giorgio
CPC分类号： G01L19/147 , G01L19/0038 , G01L19/0084 , G01L19/0092 , G01L19/146
摘要： A pressure sensor device comprises: -a casing (2a, 3a) defining a cavity (7) with an inlet passage (8a, 8b), -a pressure sensor (30) having a body accommodated in the cavity (7), for detecting the pressure of a fluid present in the inlet passage (8a, 8b), -a circuit arrangement including a circuit support (20) at least partially accommodated in the cavity (7) according to a respective laying plane, the pressure sensor (30) being mounted on the circuit support (20). Associated to the circuit support (20) is a protection body (31) surrounding the pressure sensor (30), the protection body (31) externally defining a seat for positioning a respective seal member (35), in particular a radial seal gasket, intended to cooperate with an internal surface of the casing (2a, 3 a).
摘要翻译： 压力传感器装置包括： - 一个限定具有入口通道（8a，8b）的空腔（7）的壳体（2a，3a）， - 具有容纳在所述空腔（7）中的主体的压力传感器（30） 存在于入口通道（8a，8b）中的流体的压力， - 包括根据各个铺设平面至少部分地容纳在空腔（7）中的电路支撑件（20）的电路装置，压力传感器（30） 安装在电路支架（20）上。 与电路支撑件（20）相关联的是围绕压力传感器（30）的保护体（31），保护体（31）在外部限定用于定位相应的密封构件（35）的座，特别是径向密封垫圈， 旨在与壳体（2a，3a）的内表面配合。
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公开(公告)号：EP2095083A2
公开(公告)日：2009-09-02
申请号：EP07859223.5
申请日：2007-12-18
申请人： ELTEK S.P.A.
发明人： BIGLIATI, Marco , COLOMBO, Paolo , MARTINENGO, Giorgio , MUELLER, Daniel Verner , ZORZETTO, Mauro
IPC分类号： G01L9/00
CPC分类号： G01L9/0052 , G01L19/0672 , G01L19/143 , G01L19/147
摘要： A pressure-sensor device ( 1 ) comprises: - a pressure-sensitive component (9) having a body, defined in which is a blind cavity, and having a membrane portion (9a), operatively associated to which is a detection element (R); and - a connection structure (2), which has a duct in communication with the cavity of the pressure-sensitive component (9) and is to receive a fluid, a pressure of which is to be detected. The connection structure (2) comprises a supporting body (2a) of the pressure-sensitive component (9), which defines a respective passage (2b), and a compressible element (12, 18) that is designed to be in contact with the fluid and is configured for compensating possible variations of volume thereof. The compressible element (12, 18) is positioned at least in part within the cavity (1 1) of the pressure-sensitive component (9) and/or in a stretch of the passage (2b) of the supporting body (2a) that is close to the cavity (11 ) of the pressure-sensitive component (9).
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