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公开(公告)号：US12085548B2
公开(公告)日：2024-09-10
申请号：US17611916
申请日：2020-05-22
申请人： MOLEX, LLC
CPC分类号： G01N33/0075 , G01M3/04 , G01N33/0006
摘要： A gas sensor network system provides near real-time monitoring of fugitive emissions of VOC compounds in chemical plants and facilities. The present disclosure provides a sensor placement method which determines where to place sensors within a facility. The sensor placement method includes obtaining plant layout, gas composition, meteorological conditions and/or other types of information regarding a facility, determining the types of gas and ancillary sensors needed, and generating the minimum detection distances required based on the sensitivities of the sensors to the gas compounds involved. And, then calculating the minimal number of sensors required for each sensor type with optimized sensor locations to ensure best coverage of potentially leaking components within the facility.
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公开(公告)号：US20240319157A1
公开(公告)日：2024-09-26
申请号：US18645426
申请日：2024-04-25
申请人： Molex, LLC
发明人： Wenfeng Peng , Ling-Ying Lin , Alissa Nedossekina
IPC分类号： G01N33/00 , G01M3/04 , G06Q30/018
CPC分类号： G01N33/0075 , G01M3/04 , G06Q30/018
摘要： Computer systems, methods, and apparatuses for estimating changes in gas emissions are described. A computer system may monitor overall emission levels based on sensor outputs from a plurality of gas sensors in a facility. The computer system may estimate a total emission level over a time interval based on the accumulative, gas-response-factor weighted detections of the gas sensors. Emissions from maintenance activities may be excluded as appropriate. The total emission level may be compared with total emission level estimated from different time intervals and/or different facilities. The computer system may be further used for comparing emissions across multiple facilities, or emissions from facilities across multiple regions.
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公开(公告)号：US11854366B1
公开(公告)日：2023-12-26
申请号：US16790712
申请日：2020-02-13
申请人： United States Environmental Protection Agency , Flint Hills Resources Corpus Christi, LLC , Molex, LLC
发明人： Eben Daniel Thoma , Deborah Lynn Preschler , Roger John Hilarides , Debra Jean Cartwright , Michael Stephen Clausewitz , Barry William Kelley , David Randall Massner , Wenfeng Peng , Marko Frank Spiegel
CPC分类号： G08B21/12 , G01M3/04 , G01W1/02 , H04Q9/00 , H04Q2209/40 , H04Q2209/823
摘要： The present disclosure provides a leak monitoring system and associated method which is being configured to detect plumes of volatile organic compounds (VOC) as an alternative solution to the EPA Method 21, which measures VOC concentrations at the surface of each component. The leak monitoring system is a multi-layered system that includes monitoring performed by sensors that are fixed in place and sensors that are mobile. Each monitoring method is a layer and it complements and augments other layers. All the sensors wirelessly communicate with a central control through a gateway. The control unit further includes a software platform, which analyzes the data provided by the sensors in combination with other informetrics such as meteorological conditions and plant info to both identify the presence of a gas leak and to pinpoint a general location of the gas leak. When a significant gas leak is identified, the control unit sends an alert to plant managers via text or email, in addition to activating visual and/or audible alarms.
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公开(公告)号：US11604164B2
公开(公告)日：2023-03-14
申请号：US17549182
申请日：2021-12-13
申请人： Molex, LLC
发明人： Miao Xu , Wenfeng Peng , Mariusz Kloza , Amram Netanel Afenzer
摘要： An electrode stack assembly includes an electrically insulative substrate having a cavity therethrough extending, a first counter electrode on a top surface thereof and extending through the substrate, a second sensing electrode on a bottom surface thereof and extending through the substrate, and a third electrode having a top body portion on a top of the substrate, a bottom body portion on a bottom of the substrate, and a coupling pin passing through the substrate and electrically coupling the top and bottom body portions. The third electrode electrically separates the pin of the sensing electrode from the counter electrode.
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公开(公告)号：US12130271B2
公开(公告)日：2024-10-29
申请号：US17611916
申请日：2020-05-22
申请人： MOLEX, LLC
CPC分类号： G01N33/0075 , G01M3/04 , G01N33/0006
摘要： A gas sensor network system provides near real-time monitoring of fugitive emissions of VOC compounds in chemical plants and facilities. The present disclosure provides a sensor placement method which determines where to place sensors within a facility. The sensor placement method includes obtaining plant layout, gas composition, meteorological conditions and/or other types of information regarding a facility, determining the types of gas and ancillary sensors needed, and generating the minimum detection distances required based on the sensitivities of the sensors to the gas compounds involved. And, then calculating the minimal number of sensors required for each sensor type with optimized sensor locations to ensure best coverage of potentially leaking components within the facility.
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公开(公告)号：US11885766B2
公开(公告)日：2024-01-30
申请号：US18107131
申请日：2023-02-08
申请人： Molex, LLC
发明人： Miao Xu , Wenfeng Peng , Mariusz Kloza , Amram Netanel Afenzer
CPC分类号： G01N27/66 , G01N33/0047
摘要： An electrode stack assembly includes an electrically insulative substrate having a cavity therethrough extending, a first counter electrode on a top surface thereof and extending through the substrate, a second sensing electrode on a bottom surface thereof and extending through the substrate, and a third electrode having a top body portion on a top of the substrate, a bottom body portion on a bottom of the substrate, and a coupling pin passing through the substrate and electrically coupling the top and bottom body portions. The third electrode electrically separates the pin of the sensing electrode from the counter electrode.
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公开(公告)号：US11073503B2
公开(公告)日：2021-07-27
申请号：US16040657
申请日：2018-07-20
申请人： Molex, LLC
摘要： An area monitoring device is placed in a location to monitor volatile organic compounds emissions. The device includes a gas sensor capable of detecting VOCs, a sorbent material capable of absorbing VOC molecules, and a heating element positioned in close relation to, or in direct contact with, the sorbent material. After a period of time during which the sorbent material absorbs VOC molecules, the sorbent material is heated to cause the sorbent material to release a gas containing VOC molecules. The amount of released VOC molecules is sensed and calculated. Data is compiled and analyzed. This is accomplished without removing the device from the location. A pump may be provided to force ambient air through the device.
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公开(公告)号：US20240280552A1
公开(公告)日：2024-08-22
申请号：US18570089
申请日：2022-07-15
申请人： Molex, LLC
IPC分类号： G01N33/00
CPC分类号： G01N33/0006
摘要： An apparatus performing sensor calibrations and bump tests includes a housing having first and second gas paths. The first gas path has a filter for filtering gas passing therethrough. A three-way valve may be provided between the inlet and the paths. A first valve may be provided between the inlet and the first path and a second valve may be provided between the inlet and the second path. Gas flows through the first path upon activation of the valve(s) to a first condition, and gas flows through the second path upon activation of the valve(s) to a second condition. A calibration cap is coupled to the outlet and to a sensor. A gas standard bottle is coupled to the inlet. A method of using same is also disclosed.
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公开(公告)号：US20240248575A1
公开(公告)日：2024-07-25
申请号：US18420773
申请日：2024-01-24
申请人： Molex, LLC
IPC分类号： G06F3/0481 , G05B23/02 , G06F3/04847 , G06F9/451 , G06T11/00 , G08B21/12
CPC分类号： G06F3/0481 , G05B23/027 , G06F3/04847 , G06F9/451 , G06T11/001 , G08B21/12 , G06T2200/24
摘要： A smart digital computer platform is disclosed that collects, analyzes, and/or renders appropriate information about fugitive emissions identified by a sensor network-based emissions monitoring system in a facility. More specifically to the methods used by the smart digital computer platform to analyze, filter, and transform the collected monitoring data into a visual output that is capable of being rendered on a graphical user interface (GUI) on a screen display with, in some embodiments, a restricted form factor. For example, smart analytics may be used to cull, filter, and transform the data displayed in a pop-up dialog box on a GUI. In another example, the transformed data may be translated into a visual, graphical element that conveys an abundance of appropriate, tailored information to a particular type of user viewing the GUI.
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公开(公告)号：US11994503B2
公开(公告)日：2024-05-28
申请号：US17778743
申请日：2020-11-20
申请人： Molex, LLC
发明人： Wenfeng Peng , Ling-Ying Lin , Alissa Nedossekina
IPC分类号： G01N33/00 , G01M3/04 , G06Q30/01 , G06Q30/018
CPC分类号： G01N33/0075 , G01M3/04 , G06Q30/018
摘要： Computer systems, methods, and apparatuses for estimating changes in gas emissions are described. A computer system may monitor overall emission levels based on sensor outputs from a plurality of gas sensors in a facility. The computer system may estimate a total emission level over a time interval based on the accumulative, gas-response-factor weighted detections of the gas sensors. Emissions from maintenance activities may be excluded as appropriate. The total emission level may be compared with total emission level estimated from different time intervals and/or different facilities. The computer system may be further used for comparing emissions across multiple facilities, or emissions from facilities across multiple regions.
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