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公开(公告)号：US10811735B2
公开(公告)日：2020-10-20
申请号：US15852920
申请日：2017-12-22
IPC分类号： H01M10/48 , G01N27/414 , G01R31/371 , G01R31/396 , G01F1/00 , G01R19/165 , H01M10/20
摘要： The specification discloses a monitor, a system, and a method for monitoring the electrolyte level in a cell of a multi-cell battery. The system may be powered by leads attached across any one or more cells of the battery. The system includes an electrically conductive probe, having its own wire, that may be installed in any battery cell. The probe is current sampled to provide one or more signals used to determine if the probe is in physical contact with the electrolyte (indicating acceptable electrolyte level). The probe may be sampled as a cathode and as an anode. The probe may be sampled using PWM (pulse width modulation). The probe may be sampled using current limiting.
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公开(公告)号：US10381693B2
公开(公告)日：2019-08-13
申请号：US15079125
申请日：2016-03-24
发明人： Mark Herrema , Ron D. Earl , Scott Kloote , Jason L. Fox , Matthew T. Shinew , David A. Moelker
摘要： A liquid level sensor for a liquid electrolyte battery is provided. The liquid level sensor includes a probe having a reference electrode and an electrode array. The electrode array includes a plurality of electrodes that are serially disposed in a lengthwise direction of the probe. The reference electrode is capacitively coupled to each electrode within the electrode array, such that the probe provides a capacitance that varies when the probe is immersed in a liquid level that varies in relation to the probe. The liquid level sensor can alert a user of the need to refill the battery or alert a user of the need to refill the battery in the near future. The liquid level sensor can include a series of LEDs that selectively illuminate to indicate each such condition to the user.
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公开(公告)号：US20170279167A1
公开(公告)日：2017-09-28
申请号：US15079125
申请日：2016-03-24
发明人： Mark Herrema , Ron D. Earl , Scott Kloote , Jason L. Fox , Matthew T. Shinew , David A. Moelker
CPC分类号： H01M10/484 , G01F23/263 , G01F23/265 , G01F23/266 , G01F23/268 , H01M10/488
摘要： A liquid level sensor for a liquid electrolyte battery is provided. The liquid level sensor includes a probe having a reference electrode and an electrode array. The electrode array includes a plurality of electrodes that are serially disposed in a lengthwise direction of the probe. The reference electrode is capacitively coupled to each electrode within the electrode array, such that the probe provides a capacitance that varies when the probe is immersed in a liquid level that varies in relation to the probe. The liquid level sensor can alert a user of the need to refill the battery or alert a user of the need to refill the battery in the near future. The liquid level sensor can include a series of LEDs that selectively illuminate to indicate each such condition to the user.
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公开(公告)号：US20190198947A1
公开(公告)日：2019-06-27
申请号：US15852920
申请日：2017-12-22
IPC分类号： H01M10/48 , G01N27/414 , G01R31/36
摘要： The specification discloses a monitor, a system, and a method for monitoring the electrolyte level in a cell of a multi-cell battery. The system may be powered by leads attached across any one or more cells of the battery. The system includes an electrically conductive probe, having its own wire, that may be installed in any battery cell. The probe is current sampled to provide one or more signals used to determine if the probe is in physical contact with the electrolyte (indicating acceptable electrolyte level). The probe may be sampled as a cathode and as an anode. The probe may be sampled using PWM (pulse width modulation). The probe may be sampled using current limiting.
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