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公开(公告)号：WO2020139681A1
公开(公告)日：2020-07-02
申请号：PCT/US2019/067385
申请日：2019-12-19
Applicant: AVX CORPORATION
Inventor： CAIN, Jeffrey , HOCK, Joseph M.
Abstract: A controller and system for tuning a voltage tunable capacitor is provided. The controller may include at least one analog-to-digital converter configured to receive at least one input signal and convert the at least one input signal into at least one digital signal. The controller may include a processor configured to process the at least one digital signal using logic to generate an output signal. The controller may include a charge pump configured to boost the output signal to generate a boosted output signal. The controller may be configured to provide the boosted output signal to the voltage tunable capacitor to adjust a bias voltage of the voltage tunable capacitor.
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公开(公告)号：WO2022005640A1
公开(公告)日：2022-01-06
申请号：PCT/US2021/033346
申请日：2021-05-20
Applicant: AVX CORPORATION
Inventor： HOCK, Joseph M.
IPC: H02J7/00 , H02J7/34 , H02J7/0019 , H02J7/345
Abstract: A system for balancing ultracapacitors is provided. The system includes a balancing capacitor and a plurality of switching devices. The system further includes a control circuit. The control circuit is communicatively coupled to each of the plurality of switching devices. The control circuit is configured to control operation of a first pair of the switching devices to couple the balancing capacitor across a first ultracapacitor of a plurality of ultracapacitors to transfer electrical charge from the first ultracapacitor to the balancing capacitor. The control circuit is further configured to control operation of a second pair of the switching devices that is different than the first pair to couple the balancing capacitor across a second ultracapacitor of the plurality of ultracapacitors to transfer at least a portion of the electrical charge from the balancing capacitor to the second ultracapacitor.
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Patent Agency Ranking
公开(公告)号：WO2019005568A1
公开(公告)日：2019-01-03
申请号：PCT/US2018/038671
申请日：2018-06-21
Applicant: AVX CORPORATION
Inventor： HOCK, Joseph M.
IPC: H01G11/16
Abstract: Balancing circuits for an ultracapacitor module are provided. In some implementations, the balancing circuit can include a comparator. The comparator can have a sensing input. The comparator can be configured to compare an input voltage associated with the ultracapacitor received at the sensing input to a reference voltage and to provide an output via an output node of the comparator. The balancing circuit can include a switching circuit coupled to the ultracapacitor. The switching circuit can be controlled to discharge the ultracapacitor based at least in part on the output of the comparator circuit. The balancing circuit can further include a feedback element coupled between the switching circuit and the sensing input of the comparator.
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公开(公告)号：WO2019018487A1
公开(公告)日：2019-01-24
申请号：PCT/US2018/042624
申请日：2018-07-18
Applicant: AVX CORPORATION
Inventor： HOCK, Joseph M.
Abstract: Balancing circuits for an ultracapacitor module are provided. In some implementations, the balancing circuit can include a regulator having an input. The regulator can be configured to compare an input voltage associated with the ultracapacitor received at the input to a reference voltage and to provide an output via an output node. The balancing circuit can further include a switching circuit coupled to the regulator. The switching circuit can be configured to discharge the ultracapacitor based at least in part on the output of the regulator. The switching circuit can include at least one semiconductor switching element operated in a hard switching manner during operation of the switching element.
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公开(公告)号：WO2019005537A1
公开(公告)日：2019-01-03
申请号：PCT/US2018/038261
申请日：2018-06-19
Applicant: AVX CORPORATION
Inventor： HOCK, Joseph M.
Abstract: A module comprises at least two ultracapacitors and at least one balancing circuit. The balancing circuit is connected to a heat dissipation component. The heat dissipation component is present on a heat sink comprising a metal.
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公开(公告)号：WO2021247315A1
公开(公告)日：2021-12-09
申请号：PCT/US2021/034193
申请日：2021-05-26
Applicant: AVX CORPORATION
Inventor： HOCK, Joseph M.
Abstract: An ultracapacitor assembly is provided. The ultracapacitor assembly includes a plurality of ultracapacitors. The ultracapacitor assembly further includes a first bus bar and a second bus bar. The second bus bar is spaced apart from the first bus bar. The ultracapacitor assembly includes a discharge resistor coupled between the first bus bar and the second bus bar. The ultracapacitor assembly further includes a first plurality of switching devices and a second plurality of switching devices. Each switching device in the first plurality of switching devices is coupled between the first bus bar and a corresponding ultracapacitor of the plurality of ultracapacitors to selectively couple the corresponding ultracapacitor the discharge resistor via the first bus bar. Each switching device in the second plurality of switching devices is coupled between the second bus bar and a corresponding ultracapacitor to selectively couple the corresponding ultracapacitor the discharge resistor via the second bus bar.
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公开(公告)号：WO2021247313A1
公开(公告)日：2021-12-09
申请号：PCT/US2021/034188
申请日：2021-05-26
Applicant: AVX CORPORATION
Inventor： HOCK, Joseph M.
IPC: G01R31/64 , G01R19/165 , G01R27/02 , H01G2/14 , H02J7/345
Abstract: A method for monitoring one or more characteristics of an ultracapacitor is provided. The method includes obtaining a plurality of voltage measurements. Each of the voltage measurements can be obtained sequentially at one of a plurality of intervals. Furthermore, each of the voltage measurements can be indicative of a voltage across the ultracapacitor. The method can include determining an actual voltage step of the ultracapacitor based on two consecutive voltage measurements of the plurality of voltage measurements. The method can further include determining whether the actual voltage step exceeds a threshold voltage step of the ultracapacitor. Furthermore, in response to determining the actual voltage step exceeds the threshold voltage, the method can include providing a notification associated with performing a maintenance action on the ultracapacitor.
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