22 patents
Utility
Bi-stable transfer switch
9 Jan 24
A power transfer switch suitable as a bypass switch connecting a utility feed to a load comprises a bi-stable actuator selectively driven by a compression means charged by a handle.
Douglas Manness, Robert Popove, Daniel Wahlgren
Filed: 28 Aug 19
Utility
Touch safe DC powering for remote loads
22 Aug 23
In a line to line fault detection and protection system, a source end power supply supplies power to a remote load over a transmission line and monitors the dynamic behavior of a transmission line power characteristic.
Rifat Siddique, Andres Bianchi, Peter Ksiazek, Glenn Lumanog
Filed: 5 Jun 20
Utility
Coaxial cable power signal distribution systems and methods
15 Nov 22
Systems, methods and devices for a coaxial cable transmission system.
Thanh Le, Joseph Daniel Vignola, Pankaj H. Bhatt
Filed: 2 Jul 20
Utility
Ferroresonant transformer systems and methods
3 May 22
A ferroresonant transformer assembly comprising, a core, a main shunt, first, second, and third windings, first and second tap connectors, and a selection connector.
Thanh Le, James Richardson, Litcho Datzov
Filed: 20 Oct 20
Utility
Systems and methods for determining an operating mode of a battery
8 Feb 22
A system for determining an operating mode of a battery includes a voltage sensor configured to detect a present voltage across terminals of the battery.
Don Karner, Frank Fleming, Ulf Krohn, Christer Lindkvist
Filed: 26 Jul 18
Utility
Synchronous rectification of LLC converters based on homopolarity
26 Oct 21
Synchronous rectification methods and algorithms, and polarity sensing techniques, based on the homopolarity cycle concept for conduction loss reduction in LLC resonant converters are provided.
Mehdi Mohammadi, Martin Ordonez, Mohammad Mahdavi, Peter Ksiazek, Navid Shafiei, Rahul Khandekar
Filed: 29 May 20
Utility
Switching systems and methods for use in uninterruptible power supplies
11 May 21
An uninterruptible power supply for providing an output power signal to a load comprises a ferroresonant transformer, a resonant capacitor, and an inverter.
James Patrick Richardson, Thanh Quoc Le
Filed: 15 Jul 19
Utility
Uninterruptible power supply systems and methods for communication systems
30 Mar 21
An uninterruptible power supply adapted to be connected between an AC line and a load, comprising a battery system, an inverter, and a transformer, and a controller.
Jim Heidenreich, Toby Peck, Craig E. Paoli, Peter Schmidt, Greg Thomas, John Rodgers
Filed: 16 Apr 19
Utility
Systems and methods for monitoring and presenting battery information
16 Feb 21
The system may be configured to perform operations including receiving battery information, such as voltage data, temperature data, battery-specific data, and/or application-specific data; and displaying at least a portion of such data on a graphical user interface on a display screen.
Don Karner, Frank Fleming, Ulf Krohn, Christer Lindkvist
Filed: 26 Jul 18
Utility
Emergency power system for blowout preventer of a petroleum apparatus
2 Feb 21
An improved emergency power system is disclosed for providing electrical power to a load such as a blowout preventer of a petroleum drilling apparatus.
Bradford A Wood, James K Pugh, Juan A Cubero
Filed: 21 Jul 16
Utility
Ferroresonant transformer systems and methods with selectable input and output voltages for use in uninterruptible power supplies
28 Dec 20
A ferroresonant transformer system has a core, a shunt, first and second input windings, an inverter winding, a tank winding, a resonant capacitor, an output capacitor, and a plurality of switches.
Thanh Quoc Le, Pankaj H. Bhatt, Thomas Patrick Newberry
Filed: 12 Aug 19
Utility
Charge equalization systems and methods for battery systems and uninterruptible power supplies
21 Dec 20
A battery system a plurality of battery strings, a charge equalization circuit, a relay matrix, and a balance controller.
James Joseph Heidenreich, Michael A. Haass, Thanh Quoc Le, Seth William Jennings
Filed: 3 Jun 19
Utility
Electrodes with active materials in shells
7 Dec 20
A battery has an electrode with a layer of an active medium.
Ryo Tamaki, Hiroshi Nakahara
Filed: 28 Aug 17
Utility
Systems and methods for determning crank health of a battery
9 Nov 20
Described herein are methods for determining, based on actual crank conditions, an ability of a battery connected to an electric starter motor, to start an internal combustion engine, wherein the battery is a single monobloc or a plurality of monoblocs that are electrically connected in series or parallel.
Don Karner, Frank Fleming, Ulf Krohn, Christer Lindkvist
Filed: 25 Jul 18
Utility
Operating conditions information system for an energy storage device
9 Nov 20
The system may be configured to perform operations including measuring a temperature and a voltage of a battery at various times producing data points, wherein each data point comprises the temperature and voltage of the battery and a respective time that the temperature and voltage was measured; assigning each data point to a respective cell in a matrix stored on a, wherein the matrix comprises a first axis comprising voltage ranges and a second axis comprising temperature ranges, wherein each cell is associated with a voltage range and a temperature range, wherein the voltage and temperature of each data point is within the voltage range and temperature range, respectively, of the respective cell; and/or generating a first value in a counter comprised in each cell reflecting a total number of data points assigned to the cell, such that the first value in each cell is stored in the memory.
Don Karner, Frank Fleming, Ulf Krohn, Christer Lindkvist
Filed: 25 Jul 18
Utility
Battery with internal monitoring system
2 Nov 20
A battery monitor circuit, systems and methods are disclosed.
Don Karner, Frank Fleming, Ulf Krohn, Christer Lindkvist
Filed: 25 Jul 18
Utility
Systems and methods for determining a state of charge of a battery
26 Oct 20
A method for estimating a SOC of a battery electrically coupled to at least one of a load or a power source includes detecting, by a voltage sensor, voltages of the battery.
Don Karner, Frank Fleming, Ulf Krohn, Christer Lindkvist
Filed: 25 Jul 18
Utility
Ferroresonant transformer for use in uninterruptible power supplies
26 Oct 20
A ferroresonant transformer assembly, which is adapted to be connected to a primary power source, an inverter system, a resonant capacitor, and at least one load, comprises a core, a main shunt, and first, second, and third windings.
Thanh Le, James Richardson, Litcho Datzov
Filed: 23 Apr 17
Utility
Three phase AC/DC power converter with interleaved LLC converters
12 Oct 20
An AC/DC power converter includes an input port configured to receive an AC power signal, a first transformer coupled to the input port, the first transformer comprising first and second primary windings and at least a first secondary winding, and a second transformer coupled to the input port, the second transformer comprising third and fourth primary windings and at least a second secondary winding.
Patrick Dehem, Mohammed Kechmir, Qianqian Jiao, Yincan Mao, Rui Zhou
Filed: 8 Apr 19
Utility
Power control systems and methods
28 Sep 20
A power supply configured to operatively connect at least one load to at least one DC power source comprises an AC bus, a DC bus, a DC/AC converter, and a load balancer.
Brian Faley, David LeBow, Pankaj H. Bhatt
Filed: 10 Sep 18