Patents Examined by Jared Fureman
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Patent number: 11862959Abstract: A system includes a first USB Type-C Power Delivery (USB-C/PD) port and a control circuit operatively coupled to the first USB-C/PD port. The control circuit is configured to determine whether a short circuit condition has occurred based on a first threshold voltage. The control circuit is also configured to turn off a ground isolation switch when short circuit condition occurs. The control circuit is further configured to determine a whether a voltage on a ground line is less than a second threshold voltage. The control circuit is further configured to turn on the ground isolation switch when the voltage on the ground line is less than the second threshold voltage. The control circuit may perform one or more error recovery operations after turning on the ground isolation switch.Type: GrantFiled: April 26, 2022Date of Patent: January 2, 2024Assignee: Cypress Semiconductor CorporationInventors: Arun Khamesra, Hariom Rai, Pulkit Shah
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Patent number: 11862960Abstract: An electrostatic discharge (ESD) protection circuit includes a first diode, a second diode, an ESD clamp circuit and a first conductive structure on a backside of a semiconductor wafer, and being coupled to the first voltage supply. The first diode is in the semiconductor wafer, and coupled between an IO pad and a first node. The second diode is in the semiconductor wafer, coupled to the first diode and coupled between the IO pad and a second node. The ESD clamp circuit is in the semiconductor wafer, coupled between the first node and the second node, and further coupled to the first and second diode. The ESD clamp circuit includes a first signal tap region in the semiconductor wafer that is coupled to a first voltage supply. The first diode is coupled to and configured to share the first signal tap region with the ESD clamp circuit.Type: GrantFiled: March 30, 2023Date of Patent: January 2, 2024Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Yu-Hung Yeh, Wun-Jie Lin, Jam-Wem Lee
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Patent number: 11862984Abstract: An antenna for a wireless power receiver system includes a receiver coil, the receiver coil configured to receive one or both of wireless power signals and repeated wireless power signals and provide the wireless power signals to a rectifier of the wireless power receiver system. The antenna further includes an internal repeater coil, the internal repeater coil configured to receive the wireless power signals and transmit the wireless power signals to the receiver coil as the repeated wireless power signals.Type: GrantFiled: November 3, 2021Date of Patent: January 2, 2024Assignee: NuCurrent, Inc.Inventor: Md. Nazmul Alam
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Patent number: 11862964Abstract: A circuit to protect an overvoltage in a universal serial bus (USB) device include an overvoltage protection (OVP) switch connected to a pin of a USB receptacle and a switch controller to turn off the OVP switch when an overvoltage is detected such that power between the pin and the USB device is interrupted. The switch controller supplies a control signal to the OVP switch such that the OVP switch has a first on-resistance when the USB device is operating in a normal mode and no overvoltage is detected, and has a second on-resistance, higher than the first on-resistance, when the USB device is operating in a low-power mode and no overvoltage is detected.Type: GrantFiled: March 29, 2022Date of Patent: January 2, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventor: Je-kook Kim
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Patent number: 11862966Abstract: According to an embodiment, a surge protector includes a capacitor, a switch, and a first transistor. The capacitor charges based on an input power to the surge protector. The switch turns on when the capacitor is charged to a charge threshold. The surge protector outputs the input power when the switch is turned on. The first transistor turns on when a voltage of the input power exceeds a first input voltage threshold such that the capacitor discharges to below the charge threshold and such that the switch turns off. The surge protector stops outputting the input power when the switch is turned off.Type: GrantFiled: October 20, 2021Date of Patent: January 2, 2024Assignee: Cisco Technology, Inc.Inventors: Xiqun Zhu, Sung K. Baek
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Patent number: 11858439Abstract: A circuit and method for providing multi-mode power to a vehicle load may include first and second voltage sources, main positive and main negative relays, and first, second, and third relays. The main positive relay may have a second side connected to a first side of the load, and the main negative relay may have a second side connected to a second side of the load. A first side of the second relay may be connected to a positive side of the first voltage source, and a second side of the second relay to a positive side of the second voltage source and a first side of the main positive relay. A first side of the third relay may be connected to a negative side of the second voltage source, and a second side of the third relay to a first side of the main negative relay.Type: GrantFiled: October 18, 2022Date of Patent: January 2, 2024Assignee: LEAR CORPORATIONInventors: Wang Xie, Xuebei Ren, Diwei Fang
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Patent number: 11862993Abstract: An apparatus for a high-power reflexive field containment circuit topology for dynamic wireless power transfer systems is disclosed. A wireless power transfer (“WPT”) charging apparatus includes an inverter configured to connect with a direct current (“DC”) source on an input side and one or more WPT charging branches. Each WPT charging branch includes a WPT charging pad circuit with a WPT charging pad connected in series with a first series charging capacitor, a parallel charging capacitor connected in parallel with the WPT charging pad circuit, and a series charging impedance connected in series between an output of the inverter and a connection between the WPT charging pad circuit and the parallel charging capacitor. The series charging impedance includes a second series charging capacitor and/or a series charging inductor.Type: GrantFiled: July 1, 2022Date of Patent: January 2, 2024Assignee: Utah State UniversityInventors: Shuntaro Inoue, Chakridhar Reddy Teeneti, Abhilash Kamineni, Regan A. Zane
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Patent number: 11862962Abstract: A controllable main breaker includes a main breaker sized to fit within an existing panel slot of an electrical panel. The main breaker comprises a trigger to open the main breaker in response to a thermal fault or overcurrent event. The controllable main breaker further includes an auxiliary shell sized to fit within at least one adjacent breaker slot. The auxiliary shell includes a controllable actuator that mechanically opens the main breaker.Type: GrantFiled: December 21, 2022Date of Patent: January 2, 2024Assignee: Lunar Energy, Inc.Inventors: Mark Holveck, Randol Aikin, Mark Daniel Goldman, Kyle Breuning Evans
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Patent number: 11863004Abstract: A split-phase bidirectional on-board charger (OBC) has separate charging and discharging modes, and includes a switchgear block connectable to an offboard charging station during the charging mode, and to an external alternating current (AC) load during the discharging mode. The OBC includes first and second DC-AC converters connected to the switchgear block and DC-DC converter connected to the first and second DC-AC converters and a DC bus. During the charging mode, the DC-AC converters output a DC link voltage to the DC-DC converter. The DC-DC converter outputs a DC charging voltage or current to the DC bus when the link voltage reaches a predetermined value. During the discharging mode, the DC-AC converters receive a DC discharging voltage or current from the DC-DC converter and together selectively output a split-phase AC voltage through the switchgear block to the AC electrical load.Type: GrantFiled: May 19, 2022Date of Patent: January 2, 2024Assignee: GM Global Technology Operations LLCInventors: Douglas S. Cesiel, Samantha Gunter Miller
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Patent number: 11862991Abstract: An antenna for wireless power transmission includes a source coil comprised of a first conductive wire, the source coil including a first outer turn and a first inner turn, the source coil configured to connect to one or more electronic components for wireless power transfer. The antenna further includes an internal repeater coil comprised of a second conductive wire, the internal repeater coil including a second outer turn and a second inner turn, the internal repeater coil configured to have a repeater current induced in the second outer turn and the second inner turn. The antenna further includes a repeater tuning system in electrical connection with a beginning of the second outer turn and an ending of the second inner turn, the repeater tuning system positioned inward of the second outer turn.Type: GrantFiled: November 3, 2021Date of Patent: January 2, 2024Assignee: NuCurrent, Inc.Inventors: Andy Yoon, Alberto Peralta, Md. Nazmul Alam
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Patent number: 11863059Abstract: A “Versatile Power Stack Unit” (VPSU) for controlling electrical devices such as motors for electric vehicles is disclosed. The VPSU uses a DC/DC buck-boost converter that generates output voltage. By varying the voltage according to need, the system can maintain a Pulse-Width Modulation duty cycle of 50% without introducing any ripple current or voltage into the batteries or system, while minimizing losses due to internal resistance. Any number of VPSUs can be connected one to the other in order to provide the voltage and current needed to power the electrical device. Not only does the VPSU minimize ripple current and losses due to internal resistance, but it enables recharging at low voltage and according to the needs of small numbers of batteries with minimal temperature rise during the charging, thereby extending battery lifetime and improving battery performance.Type: GrantFiled: September 13, 2021Date of Patent: January 2, 2024Assignee: REDLER TECHNOLOGIES LTD.Inventor: Yesaiahu Redler
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Patent number: 11851198Abstract: An example system includes an electrical energy storage system (ESS) comprising: an upper node and a lower node; a first set of battery modules that are connected in series; a second set of battery modules that are connected in series; a DC/DC converter electrically in series with the first set of battery modules between the upper node and the lower node, wherein the DC/DC converter sources electrical energy from the second set of battery modules; and a controller configured to adjust an output voltage of the DC/DC converter such that a voltage across the upper node and the lower node is maintained at a specified output voltage level.Type: GrantFiled: April 27, 2022Date of Patent: December 26, 2023Assignees: Rolls-Royce Singapore Pte. Ltd., Rolls-Royce CorporationInventors: Chandana Jayampathi Gajanayake, David Russell Trawick
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Patent number: 11855448Abstract: Provided is a vehicular control device that is provided with a switching circuit, and for opening/closing a connection between a starter including a capacitor that is to be connected to one end portion of the switching circuit and an in-vehicle battery that is to be connected to another end portion of the switching circuit by controlling an on/off state of the switching circuit. The control device includes a voltage detection unit configured to detect a voltage of the one end portion, and a control unit configured to control the switching circuit to turn off from on, and determine whether there is a failure in the switching circuit, based on a voltage detected by the voltage detection unit when a predetermined time has elapsed from when the switching circuit is controlled to turn off from on.Type: GrantFiled: December 11, 2019Date of Patent: December 26, 2023Assignees: AutoNetworks Technologies, Ltd., Sumitomo Wiring Systems, Ltd., Sumitomo Electric Industries, Ltd.Inventors: Kei Yamada, Ken Furuto, Takanori Ito
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Patent number: 11855478Abstract: A secondary power system is configured to connect to a motor vehicle having a powertrain comprising an engine and a first alternator. The secondary power system includes a second alternator connected to the engine, one or more electro-chemical storage devices coupled to the second alternator and configured to be charged by the alternator, and one or more inverter chargers. The inverter chargers may operate in a first mode to provide AC power to loads on the vehicle or in a second mode to receive alternative power and charge the storage devices. In an embodiment, the secondary power system includes multiple storage devices each comprising at least one electro-chemical storage pack and a logic. The storage devices are interconnected by a junction box. The logics within each storage device may selectively disrupt power flow from the junction box upon detection of an error condition.Type: GrantFiled: May 24, 2021Date of Patent: December 26, 2023Assignee: VOLTA POWER SYSTEMS, L.L.C.Inventors: Bill Cavanaugh, Jack Johnson
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Patent number: 11855482Abstract: The present disclosure provides energy control systems for whole home and partial home backup with integrated breaker spaces and metering. The energy control system includes a grid interconnection electrically coupled to a utility grid, a backup power interconnection electrically coupled to a backup power source, a backup load interconnection electrically coupled to at least one backup load, and a non-backup load interconnection electrically coupled to at least one non-backup load. The energy control system includes a microgrid interconnection device that switches between an on-grid mode to electrically connect the grid interconnection and the backup power interconnection with the backup and non-backup load interconnections and a backup mode to electrically disconnect the grid interconnection and the non-backup load interconnection from the backup power interconnection.Type: GrantFiled: November 5, 2021Date of Patent: December 26, 2023Assignee: SUNPOWER CORPORATIONInventors: Sandeep Narla, Brian Kuhn, Kevin C. Fischer, Udo Uebel, Marc A. Robinson
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Patent number: 11850950Abstract: A power control system includes a power inverter comprising a first side, a second side, and a plurality of power switches. The second side is configured to connect to an electric machine. A solid state fuse includes a power switch including a first terminal in communication with the first terminal of a rechargeable energy storage system (RESS) of the electric vehicle and a second terminal in communication with the first side of the power inverter. A DC-DC converter is configured to convert a first voltage output by the RESS of the electric vehicle to a second voltage. One or more sensors configured to sense one or more operating parameters of the RESS. A fuse controller is configured to receive power from the DC-DC converter, to communicate with the one or more sensors and to cause the power switch to selectively change state in response to changes in the one or more operating parameters.Type: GrantFiled: January 19, 2022Date of Patent: December 26, 2023Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Muhammad Hussain Alvi, Chandra S. Namuduri, Renato Amorim Torres
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Patent number: 11855462Abstract: A method for controlling an induction coil on an induction hob involves a power generation for a primary power on the induction coil for power transmission to an electrical consumer put onto a cover above the induction coil, which consumer has a receiver coil and an electrical load connected thereto, being adjusted. The induction coil forms a primary-side resonant circuit with a capacitance connected in series, and the induction coil and the receiver coil are coupled in the style of a transformer such that a current in the induction coil induces a voltage in the receiver coil with a flow of current and generation of the secondary power in the load of the electrical consumer. The control means can attempt to adjust the desired secondary power to a steady state using maximum modulation of the voltage effectively applied to the primary-side resonant circuit, as second manipulated variable.Type: GrantFiled: February 27, 2020Date of Patent: December 26, 2023Assignee: E.G.O. ELEKTRO-GERAETEBAU GMBHInventors: Christian Egenter, Robin Goebel, Elmar Herweg
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Patent number: 11855438Abstract: A multi-circuit DC breaking system is proposed. According to an exemplary embodiment of the present technique, there may be an advantage that by combining current-limiting technology and multi-circuit breaking technology, a failure may be quickly detected, a magnitude of a fault current may be firstly limited, and a breaking operation is performed, in a range of various fault currents, by distributing the fault currents to some circuits of multi-circuits configured in parallel, thereby easily increasing the capacity thereof.Type: GrantFiled: August 5, 2021Date of Patent: December 26, 2023Assignee: GREEN ENERGY INSTITUTEInventors: Hyenjun Choi, Jihoon Park, Hyewon Choi, Insung Jeong
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Patent number: 11850953Abstract: In a drive unit, a motor and an inverter having power modules are disposed adjacent in an axial direction of the motor. In the motor, first and second coil groups, each including one U-phase coil, one V-phase coil, and one W-phase coil, are provided. The power modules constitute first and second power module groups that are connected in parallel. The first and second power module groups each include one U-phase power module, one V-phase power module, and one W-phase power module. A distance between the U-phase power module of the first power module group and the U-phase coil of the first coil group, a distance between the V-phase power module of the first power module group and the V-phase coil of the first coil group, and a distance between the W-phase power module of the first power module group and the W-phase coil of the first coil group are equal.Type: GrantFiled: October 20, 2022Date of Patent: December 26, 2023Assignees: MAZDA MOTOR CORPORATION, ROHM CO., LTDInventors: Takayuki Sato, Masashi Hayashiguchi
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Patent number: 11850945Abstract: A power supply device for an electric work vehicle, including: a battery by which an electric work vehicle is drivable; a first connection unit for an internal inverter configured to convert DC power from the battery into AC power, and output the AC power to an internal electric device installed in the electric work vehicle; a second connection unit for an external inverter configured to convert DC power from the battery into AC power, and output the AC power to an external electric device; and a battery control unit connected to the first connection unit and the second connection unit, and configured to control charging of, and power supply from, the battery, wherein the battery control unit is configured to communicate with the external inverter side via the second connection unit to perform authentication regarding whether or not power supply to the external inverter is permitted.Type: GrantFiled: June 15, 2022Date of Patent: December 26, 2023Assignee: Kubota CorporationInventors: Takumi Yamamoto, Tomohiko Hisakuni, Masahiro Yamada, Hirokazu Ito
