A bio-based electrically conductive polymer composite material is provided. The bio-based electrically conductive polymer composite material is useful as a bio-based anti-static inner layer in an aerospace hose.
F16L 11/127 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with arrangements for particular purposes, e.g. specially profiled, with protecting layer, heated, electrically conducting electrically conducting
F16L 11/08 - Hoses, i.e. flexible pipes made of rubber or flexible plastics with reinforcements embedded in the wall
2.
MITIGATION OF CIRCULATING CURRENTS IN PARALLELED POWER CONVERTERS HAVING INDEPENDENT DC LINKS
A system includes: an adjustable speed drive (ASD) module including an input, an output, and a plurality of ASDs in parallel, each ASD including: a rectifier electrically connected to the input of the ASD module; an inverter electrically connected to the output of the ASD module, the inverter including a plurality of controllable switches configured to switch at a switching frequency; and a direct current (DC) link electrically connected to the rectifier and the inverter; and a control system coupled to the ASD module, the control system configured to compensate for a plurality of circulating currents.
H02M 5/458 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
3.
SWITCHING DEVICE, SWITCHING ARRANGEMENT, ELECTRIC VEHICLE, AND USE OF A CONTACT MATERIAL
A Switching device (1) for a power train in an electric vehicle is specified, the switching device (1) comprising at least one fixed contact element (21, 22) comprising a first contact material, and at least one moveable contact element (31, 32) comprising a second contact material, wherein the first contact material and the second contact material each have a silver content of at least 95 wt%. Furthermore, a switching arrangement, an electric vehicle and a use of a contact material are disclosed.
A modular device for communication in a mesh network is provided. The modular device includes an antenna mounted on a support body and a housing enclosing the antenna, the housing including a covering enabling omnidirectional communication between nodes in the mesh network. The modular device can be coupled to a control station including a metallic housing, the control station including additional modular devices with additional functionality.
Slots are provided in end faces of bearings in a transition region thereof. The slots improve the balance of hydrostatic and hydrodynamic forces between the bearing and a gear provided on a journal supported by the bearing, thereby improving film thickness and providing increased force at smaller clearances. The slots reduce wear occurring on the end face resulting from operation of the gear pump under higher pressure conditions.
F04C 2/08 - Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
F16C 17/02 - Sliding-contact bearings for exclusively rotary movement for radial load only
7.
HIGH IMPEDANCE FAULT LOCATION IN ELECTRIC POWER DISTRIBUTION SYSTEMS
A method for locating a high impedance fault event location in a distribution system is provided. The method includes determining a topology ranking for sensors in a distribution system. The topology refers to the arrangement of sensors with respect to one another in network. The topology ranking represents a number of steps from a power source to a sensor with respect to the direction of current flow The method further includes receiving an alarm at a central processor indicating a high impedance fault event, transmitting a request for data associated with the high impedance fault event to the plurality of sensors and a plurality of edge processing devices in the distribution system, receiving the requested data from the edge processing devices and determining a relative location of the high impedance fault event with respect to one of the plurality of sensors using the requested data and the topology ranking.
An automated system and method for assessing the longevity of a transmission gear are provided. In Stage 1 of the method, the system provides a prediction of what the condition of a gear will be at 100% completion of a test cycle based on data obtained when the test cycle is only partially complete. In Stage 2 of the method, the system predicts what the remaining useful life (RUL) of the gear will be after the test cycle reaches 100% completion, based on either the forecasted prediction made during Stage 1 regarding what the condition of the gear will be at 100% completion of the test cycle or on data available after the test cycle actually reaches 100% completion. The RUL prediction made during Stage 2 specifies both the type of distress that the gear is expected to incur and when the distress is expected to occur.
A differential gear set includes cross-shafts secured at a center block. Pinions are mounted about respective ones of the cross-shafts. The center block holds the cross-shafts against movement along a longitudinal axis of the cross-shaft. The center block also may hold the cross-shafts against rotational movement relative to the cross-shaft. The center block may hold the cross-shafts spaced from each other. In an example, the differential gear set includes three identical cross-shafts bearing equal load during operation. In certain examples, the center block and pinions are axially mounted within a differential case while the cross-shafts are radially mounted.
A transmission including an input shaft arrangement including a first electric motor input shaft supporting a first drive gear and either a second electric motor input shaft or an internal combustion engine input shaft supporting a second drive gear, and an intermediate shaft supporting a third gear, a fourth gear, and a fifth gear. The third gear is intermeshed with the first gear and the fourth gear is intermeshed with the second gear. The transmission also includes a shaft supporting a sixth gear intermeshed with the fifth gear. A controller is configured to control a first, second, and third clutch arrangements to switch the transmission between a first gear ratio and a second gear ratio.
F16H 3/089 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
B60K 1/02 - Arrangement or mounting of electrical propulsion units comprising more than one electric motor
B60K 6/20 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
F16H 3/12 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
A valve assembly includes a fluid flow passage and valve components configured to selectively close the fluid flow passage. The valve assembly further includes a housing having a first sealing interface and an attachment portion having a second sealing interface. The attachment portion includes an attaching portion configured to couple to an external member to support the valve assembly. The first and second sealing interfaces each include interlocking portions configured to mutually engage with each other to form a seal against fluid communication.
An apparatus for use in an electrical switching device including an operating mechanism having an energy storing device, a cam assembly, a pole shaft, and separable contacts. The apparatus includes a holding device; a discharge detector structured to be disposed adjacent to the cam assembly and detect discharging status of the energy storage device based on the position of the cam assembly; a pole shaft position detector structured to be coupled to the pole shaft and detect open and close state of the separable contacts based on the position of the pole shaft; and a switching device monitor coupled to the detectors and structured to receive data from the detectors, analyze the data and perform control and/or diagnostics on the electrical switching device based on the analysis, the data including the detected discharging status and the detected open and close state.
Some embodiments relate to monitoring an electrical power system including power distribution units (PDUs) and electrical equipment units to be provided with electrical power. The method includes receiving PDU data comprising time series data indicative of power usage of each of the PDU outlets during a first time period; receiving activity data comprising time series data indicative of one or more activity metrics for each of the electrical equipment units during the first time period; and detecting an event indicative of a change of an electrical wiring connection configuration between the outlets of the PDUs and the electrical equipment units during the first time period.
A system includes: a base; an actuator mounted to the base, the actuator including an output configured to move along a linear path relative to the base; a driving apparatus coupled to the output; and a crank apparatus including at least one crank device, the at least one crank device including: a fixed pivot point attached to the base, a moveable pivot point attached to the driving apparatus, and a connection point attached to a switch operating device. The at least one crank device rotates about the fixed pivot and the moveable pivot moves the driving apparatus relative to the base in response to the output moving along the linear path to control the switch operating device to perform one of an open operation and a close operation in a switch.
A system includes a body comprising a lower chamber and an upper chamber, a plunger in the lower chamber, and a control pin disposed within the upper chamber and extending down into the lower chamber. The control pin is configured to engage or disengage a check ball of a check ball valve assembly disposed within the plunger. The check ball valve assembly is configured to permit or restrict flow of a hydraulic fluid into the plunger. The check ball valve assembly includes the check ball and a retention cage configured to retain the check ball. The retention cage includes extended features to be coupled with corresponding features of a check ball valve assembly body. The extended features include feet of the retention cage. The feet of the retention cage include a spherically shaped depressions disposed within the feet of the retention cage and configured to remain depressed during assembly.
F01L 1/24 - Adjusting or compensating clearance, i.e. lash adjustment automatically by fluid means, e.g. hydraulically
F01L 13/00 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
F01L 13/06 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
F16K 15/04 - Check valves with guided rigid valve members shaped as balls
F01L 1/00 - Valve-gear or valve arrangements, e.g. lift-valve gear
F01L 3/20 - Shapes or constructions of valve members, not provided for in preceding subgroups of this group
A locking differential assembly includes a differential case carrying both a differential gear set and a planetary gear set. The planetary gear set transfers torque to the differential case. In certain implementations, the differential case includes a monolithic housing that holds both the differential gear set and the planetary gear set. The monolithic housing may include an intermediate wall between the two gear sets. In certain examples, the differential case also includes an end cap mounted to the monolithic housing.
F16H 37/08 - Combinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with a plurality of driving or driven shaftsCombinations of mechanical gearings, not provided for in groups comprising essentially only toothed or friction gearings with arrangements for dividing torque between two or more intermediate shafts with differential gearing
F16H 48/08 - Differential gearings with gears having orbital motion with orbital conical gears
F16H 48/24 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using positive clutches or brakes
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
F16H 48/40 - Constructional details characterised by features of the rotating cases
A Thomson coil actuator comprises a plate which is at least partially conductive (or a "conductive plate") and at least two conductive coils (or "windings"). The at least two coils are arranged around an axis, wherein a centre of each conductive coil is offset from the axis. The at least two coils are configured to drive the plate in a first direction along the axis when an electric current is provided to the at least two conductive coils. The actuator also comprises a driver circuit configured to provide an electric current to each of the at least two conductive coils independently. The driver circuit is configured to provide the electric currents to the respective coils simultaneously. An electrical switching apparatus comprising said actuator is also disclosed, along with a method of detecting a fault in a plate of a Thomson coil using said coil arrangement.
A system includes: a housing that defines an interior configured to receive an electrically insulating fluid; a transformer including an electrically conductive coil assembly in the interior; a switching assembly in the interior, the switching assembly including: an input side; an output side; and a switch device that electrically connects the input side and the output side in a closed state and electrically isolates the input side and the output side in an opened state; a connection assembly that passes through the housing; a flexible electrical connection that electrically connects the connection assembly and the input side of the switching assembly; a rigid electrically conductive bus electrically connected to the output side of the switching assembly; and electrically conductive cable electrically connected to the rigid electrically conductive bus and the transformer.
H01F 27/32 - Insulating of coils, windings, or parts thereof
H01F 27/34 - Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
H01F 27/40 - Structural association with built-in electric component, e.g. fuse
A sleeve shaft is used within a gear reduction box to reduce the package size and weight. A sleeve mounts around a shaft for independent rotation relative to the shaft. The independently rotating sleeve allows for two power paths through the gear box. A first power path passes either the sleeve only or the shaft only. The second power path passes separately through both the sleeve and the shaft. The sleeve may be disposed around an input shaft or an intermediate shaft. A second sleeve can be disposed around an output shaft or another intermediate shaft.
F16H 3/08 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts
F16H 3/089 - Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously- meshing gears, that can be disengaged from their shafts characterised by the disposition of the gears all of the meshing gears being supported by a pair of parallel shafts, one being the input shaft and the other the output shaft, there being no countershaft involved
20.
DRIVING MECHANISM AND OPERATING DEVICE FOR AN ELECTRICAL SWITCH
A system includes: a base; an actuator mounted to the base, the actuator including an output configured to move along a linear path relative to the base; a driving apparatus coupled to the output; and a crank apparatus including at least one crank device, the at least one crank device including: a fixed pivot point attached to the base, a moveable pivot point attached to the driving apparatus, and a connection point attached to a switch operating device. The at least one crank device rotates about the fixed pivot and the moveable pivot moves the driving apparatus relative to the base in response to the output moving along the linear path to control the switch operating device to perform one of an open operation and a close operation in a switch.
An electrical enclosure (10) includes a base flange (36) and a front flange (38) partially defining a channel extending along a length of an upper collar portion (20A). An inner, upper surface of the base flange (36) is sloped downward along the length of the upper collar (20A) portion at a sloped angle relative to a horizontal plane. An upper free end of the front flange (38) extends lengthwise of the upper collar portion (20A) at an angle relative to the horizontal plane that is less than the sloped angle. A hinge mechanism (16) hingedly couples the door (14) to an enclosure body (12). The hinge mechanism (16) defines a rotational axis that is configured to shift from a forward rotational position to a rearward rotational position as the door (14) is moved from its open position to its closed position.
A fuel tank isolation valve assembly for controlling vapor flow between a fuel tank and a vapor recovery canister is provided. The assembly includes a valve housing defining an inlet in fluid communication with the fuel tank, an outlet in fluid communication with the vapor recovery canister, and a chamber therebetween. A valve seat surrounds an aperture within the chamber. An actuating assembly is coupled to the valve housing and includes a push-type mechanism for selectively extending an push rod into the chamber to open the valve. An overpressure relief (OPR) seal assembly is biased toward the valve seat by an OPR spring, and an over-vacuum relief (OVR) seal assembly is biased toward the OPR seal assembly by an OVR spring. When actuated, the push rod extends through the aperture to mechanically displace the OPR seal assembly from the valve seat, thereby permitting a controlled fluid flow path between the inlet and outlet. The configuration enables reliable venting of pressure or vacuum conditions within the fuel tank while providing active control of vapor flow for evaporative emissions management.
B60K 15/035 - Fuel tanks characterised by venting means
F02M 25/08 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
F16K 17/196 - Equalising valves predominantly for tanks spring-loaded
Described herein is an operating mechanism for a circuit breaker. The operating mechanism comprises a knob configured to be disposed on a first protrusion and configured to rotate around the first protrusion. The operating mechanism comprises a linking member configured to be disposed on a second protrusion and configured to rotate around the second protrusion, wherein the first and second protrusions are parallel, the linking member comprising a third protrusion, a fourth protrusion and a fifth protrusion. The operating mechanism comprises a contact holder arranged to carry a movable contact, the contact holder disposed on the third protrusion. The operating mechanism comprises a first latch disposed on the fourth protrusion, the contact holder arranged between the linking member and the first latch. The operating mechanism comprises a second latch disposed on the fifth protrusion and configured to rotate around the fifth protrusion. The operating mechanism comprises a pin coupling the second latch to the knob. The first and second latches are configured to engage such that rotation of the knob around the first protrusion causes rotation of the linking member around the second protrusion and thus a rotation of the contact holder. The first latch is configured to pivot around the fourth protrusion in response to an application of force so as to disengage the first latch from the second latch and enable rotation of the knob independently of the first latch.
An apparatus and method of monitoring remaining useful life of a capacitor in an UPS supply is provided. Telemetry data of the UPS is acquired (301) that comprises at least a load percentage, an internal ambient temperature and data relating to a mode of operation of the uninterruptible power supply. A capacitor life adjustment factor is determined (302) based upon the telemetry data and design data of the capacitor. The capacitor life adjustment factor comprises a voltage factor, a temperature factor and a ripple current factor. A remaining useful life value of the capacitor is determined (303) based upon the capacitor life adjustment factor and a previous remaining useful life value. The remaining useful life value is compared (304) to a threshold. An alert is output as a function of the remaining useful life value, for example when the remaining useful life value is less than the threshold.
G01R 31/01 - Subjecting similar articles in turn to test, e.g. "go/no-go" tests in mass productionTesting objects at points as they pass through a testing station
A method to detect a bearing fault in a rotating machine is provided. The method includes receiving current data from the rotating machine during operation at a sampling frequency, obtaining a current frequency spectrum for a sample of the received current data, reducing noise in the current frequency spectrum to create a reduced current frequency spectrum, performing a peak detection algorithm to detect peak amplitude values in the reduced frequency spectrum for a frequency range of the current frequency spectrum, determining a bearing fault from the peak amplitude values in the reduced current frequency spectrum, and responsive to the determination of the bearing fault, generating an alarm.
A secondary optics device (200) includes a body (210); an LED cavity (220) located in the body at a position corresponding to an LED for refraction of light through the body; a ventilation channel (230) in the body fluidically coupled to the LED cavity (140); and an egress opening (240) in the body fluidically coupled to the ventilation channel.
F21V 31/03 - Gas-tight or water-tight arrangements with provision for venting
F21Y 105/14 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array
F21Y 105/18 - Planar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array annularPlanar light sources comprising a two-dimensional array of point-like light-generating elements characterised by the overall shape of the two-dimensional array polygonal other than square or rectangular, e.g. for spotlights or for generating an axially symmetrical light beam
28.
POWER CONVERTER SYSTEMS FOR LIGHT EMITTING DIODE LIGHTING FIXTURES
A converter system for powering a plurality of LED lighting fixtures includes a centralized converter system coupled to the plurality of LED lighting fixtures and a plurality of DC-DC converters. The centralized converter system includes an AC-DC converter, a bidirectional DC-DC converter, and a controller. An input of each DC-DC converter of the plurality of DC-DC converters is coupled to the AC-DC converter and an output of each DC- DC converter is coupled to a grouping of LED lighting fixtures of the plurality of LED lighting fixtures to provide DC power to the grouping of LED lighting fixtures. The controller controls the AC-DC converter, the bidirectional DC-DC converter, and the plurality of DC-DC converters. A lighting system including the plurality of LED lighting fixtures and the converter system is also provided.
An auxiliary device (1) with various installation options comprises a housing (10), wherein the housing (10) has a terminal (20) being configured for inserting an installation wire (3) or a stiff bar (4) and for electrically coupling the installation wire (3) or the stiff bar (4) to the auxiliary device (1).
H01H 71/04 - Means for indicating condition of the switching device
30.
METHOD FOR ALLOCATING AND GROUPING INDIVIDUAL ADDRESSES OF A PLURALITY OF NODES, CONTROLLER AREA NETWORK BUS, COMPUTER PROGRAM AND COMPUTER-READABLE STORAGE MEDIUM
The invention relates to a method for allocating and grouping individual addresses of nodes, comprising: operating, a switch such that the switch is in an open state such that at least some of nodes are disconnected from the master node; sending, a first address claim message to the nodes connected to the master node; receiving, individual addresses of each of the nodes connected to the master node, wherein the received individual addresses are grouped in a first group; operating, the switch such that the switch is in a closed state such that the nodes are connected to the master node; sending, a second address claim message to the nodes connected to the master node; receiving, individual addresses of each of the nodes connected to the master node not being part of the first group, wherein the received individual addresses are grouped in a second group.
A system includes: a current interrupting module including: a first housing and a switching device in the first housing, the switching device configured to control an electrical connection between a first node of an electrical system and a second node of an electrical system in response to a control signal; and an energy harvesting module including: a control apparatus configured to output the control signal; an energy harvesting apparatus electrically connected to the control apparatus; and a second housing that at least partially encloses the energy harvesting apparatus and the control apparatus. The energy harvesting apparatus is electrically connected to the first node regardless of a state of the switching device.
A liquid delivery system is configured to pump a liquid (e.g., a cryogenic liquid) without a mechanical pump. The system includes a storage tank to store the liquid at low pressure; a transition tank configured to transition the low pressure liquid to a high pressure gas; and a pumping tank configured to first receive part of the low pressure liquid from the source tank and then to receive the pressurized gas from the transition tank to expel the low pressure liquid from the pumping tank. The liquid delivery system can be used to deliver fuel to an engine (e.g., on an aircraft).
A switching system includes: a first switching apparatus; a second switching apparatus; a holding assembly between the first switch apparatus and the second switch apparatus, the holding assembly configured to hold one or more fuse devices; and a linking interface connected to the first switching apparatus and the second switching apparatus, the linking interface having only two stable interface positions: a first interface position and a second interface position. Transitioning the linking interface from the first interface position to the second interface position simultaneously changes the state of the first switching apparatus and a state of the second switching apparatus.
A power switch arrangement (10) comprises an interface unit (11) and a power switch (12). The interface unit (11) has a first printed circuit board (13). A first coil (15) is located at the first printed circuit board (13). The power switch (12) has a second printed circuit board (14). A second coil (16) is located at the second printed circuit board (14). The first coil (15) and the second coil (16) are aligned to each other. Furthermore, a method for operating a power switch arrangement (10) is disclosed.
A method and system detect fire risk in a building electrical system. The method monitors loads connected to a circuit in real time, distinguishes loads by category (resistive, inductive/reactive, electronic), and utilizes features defined for each load category to recognize when a specific load category is turned ON in the circuit. The method is agnostic of appliance combinations connected to the circuit, agnostic of inherent load behaviors, and distinguishes arc faults from overcurrent faults. The method informs a user when conditions in the circuit will cause a fault, by distinguishing between load categories and between normal and abnormal behavior for each load category. The user can thus proactively prevent the fault from occurring without disrupting the circuit, in contrast with existing approaches where the user only learns of a fault after the fault has occurred and the user has to manually troubleshoot the fault.
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
H02H 7/26 - Sectionalised protection of cable or line systems, e.g. for disconnecting a section on which a short-circuit, earth fault, or arc discharge has occurred
H02H 1/00 - Details of emergency protective circuit arrangements
H02H 3/24 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to undervoltage or no-voltage
40.
CIRCUIT INTERRUPTER USING INDUCTOR CONNECTION WITH STAGED SWITCHING TO ACHIEVE VARIABLE INDUCTANCE DURING CURRENT INTERRUPTION
A circuit interrupter includes an inductor module connected in series with a hybrid interrupter switch between a power source and a load. The inductor module includes a coupled inductor comprising a primary winding connected in series between the power source and the interrupter module, and a secondary winding connected at its line side to the power source. The secondary winding load side is connected to a first stage switching device, with the first stage switching device forming a switch between the secondary winding and the interrupter module. The first stage switching device and the hybrid interrupter switch are kept closed under normal current conditions. During a fault, the first stage switching device is opened first, which significantly increases flux in the inductor module and impedance of the circuit, and consequently decreases current through the interrupter module. The hybrid switch is opened second to complete interruption.
H02H 3/08 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current
41.
ELECTRIC VEHICLE CHARGING SYSTEM AND CONNECTOR HAVING AN RFID READER AND METHOD FOR RF VALIDATION FOR CHARGING ELECTRIC VEHICLE
A connector for use in charging an electric vehicle (EV). The connector includes a housing, an electrical receptacle coupled to the housing and structured to be inserted into and electrically couple with a charging port of the electric vehicle, and a radio frequency identification (RFID) reader disposed within or on the housing of the connector, the RFID reader structured to read RFID tags and, in response to reading an approved code from an RFID tag, to enable charging of the EV.
B60L 53/16 - Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
B60L 53/30 - Constructional details of charging stations
B60L 53/65 - Monitoring or controlling charging stations involving identification of vehicles or their battery types
B60L 53/66 - Data transfer between charging stations and vehicles
G06K 19/04 - Record carriers for use with machines and with at least a part designed to carry digital markings characterised by the shape
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A fuel system having a hydrogen fuel tank for fueling a fuel feed and propulsion system. The fuel system having a jet pump within the hydrogen fuel tank, at least one primary pump receiving fuel from the jet pump and pressurizing fuel to an outlet path and a first fuel recirculation path configured to selectively recirculate fuel to the hydrogen fuel tank. The first fuel recirculation path is fluidly connected to the outlet path. The first fuel recirculation path includes a heat exchanger positioned within the hydrogen fuel tank to cool fuel received from at least one of the fuel feed system or a tank pressurization system. The heat exchanger and a Joule-Thomson expansion at the jet pump minimizes recirculated fuel temperature, which in combination with a selective flow recirculation rate improve the life of the primary pump downstream.
The present invention relates to an enclosed drive (10) having an electric motor (12), which has an output shaft (14). According to the invention, the entire electric motor (12) and at least some parts of the output shaft (14) are arranged in an enclosed casing (16). The output shaft (14) along its axis of rotation is axially aligned with a shaft coupling (18) and is connected thereto. The shaft coupling (18) extends outwards through an opening (20) in the casing (16), and a flameproof gap (22) is formed between the shaft coupling (18) and the casing (16).
H02K 5/136 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
H02K 5/15 - Mounting arrangements for bearing-shields or end plates
H02K 5/173 - Means for supporting bearings, e.g. insulating supports or means for fitting bearings in the bearing-shields using bearings with rolling contact, e.g. ball bearings
H02K 7/00 - Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
The present invention relates to an enclosed casing (10) for receiving an electrical component in an interior (44) of the casing (10), the enclosed casing (10) having a cable feedthrough (24) for feeding electrical cables (20, 22) through from an exterior into the interior (44). According to the invention, the enclosed casing (10) has a casing opening (34) that opens into a chamber (32) of the cable feedthrough (24). The chamber (32) has a chamber opening (36) at an end remote from the casing opening (34), through which chamber opening the cables (20, 22) are guided from the exterior into the cable feedthrough (24), through the chamber (32), and then through the casing opening (34) into the interior (44) of the casing (10). The chamber (32) is at least partially filled with a potting compound (30).
H02K 5/136 - Casings or enclosures characterised by the shape, form or construction thereof specially adapted for operating in liquid or gas explosion-proof
H02K 5/10 - Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. of water or fingers
H02K 5/22 - Auxiliary parts of casings not covered by groups , e.g. shaped to form connection boxes or terminal boxes
45.
Apparatus, system and method for monitoring a behavior of a patient
There is provided an apparatus, system and method for monitoring a behavior of a patient in an environment. Behavioral recommendations for the patient are obtained by applying input data comprising clinical conditions of the patient and contextual data stored in data sources related to health and medicine, to a tuned large language model, LLM. The behavioral recommendations are provided to a user through a user interface. Sensor data (SD) are obtained from a plurality of sensors (C1-C5) placed in the environment. A global adherence score (GSC) of the patient to the behavioral recommendations (BRC) is determined based on an analysis of the sensor data. The global adherence score (GSC) is evaluated based on reference thresholds and one or more historic levels of the patient and a result of evaluation (RS) is reported to the user.
G16H 20/10 - ICT specially adapted for therapies or health-improving plans, e.g. for handling prescriptions, for steering therapy or for monitoring patient compliance relating to drugs or medications, e.g. for ensuring correct administration to patients
G16H 50/20 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for computer-aided diagnosis, e.g. based on medical expert systems
G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indicesICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
A valve arrangement has a support surface and a flexible anti-rotation member to secure the valve arrangement at a wall of an enclosure. The support surface supports the valve arrangement against an interior surface of the enclosure during a high-pressure event. The valve arrangement has a twist-to-lock attachment mechanism. The anti-rotation mechanism inhibits rotation of the valve arrangement in a release direction. The anti-rotation mechanism can be formed monolithically with the valve body or as a separate piece. For example, the anti-rotation mechanism can be formed as part of a particle arrester that mounts to the valve body.
A variable valve lift rocker arm assembly includes a latching axle assembly, an outer body comprising at least one valve end, an outer bore shaft, and an outer axle bore for receiving the latching axle assembly, an inner body comprising an inner bore shaft and an inner axle bore for receiving the latching axle assembly, and a roller operatively coupled to the latching axle assembly and the inner body. The outer body is operatively coupled to the inner body by the latching axle assembly. The outer body is configured to selectively rotate relative to the inner body via the rocker shaft. The latching axle assembly comprises a roller latch assembly operatively coupled to the inner body and to the roller. A first latch receiver assembly is operatively coupled to the outer body.
F01L 1/26 - Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of two or more valves operated simultaneously by same transmitting-gearValve-gear or valve arrangements, e.g. lift-valve gear peculiar to machines or engines with more than two lift valves per cylinder
F01L 1/46 - Component parts, details, or accessories, not provided for in preceding subgroups
F01L 13/00 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
48.
CONTACTOR ARRANGEMENT AND METHOD FOR OPERATING A CONTACTOR ARRANGEMENT
A contactor arrangement is specified herein, comprising:
a contactor with a contact bridge for switching an electrical connection between a first terminal and a second terminal during operation,
a first temperature sensor in direct contact with the first terminal or with a bus bar that is electrically connected to the first terminal,
a second temperature sensor configured for measuring an ambient temperature outside of the contactor during operation, and
a control unit configured for computing an internal temperature of the contact bridge inside the contactor, wherein
the internal temperature depends on temperature readings of the first temperature sensor and the second temperature sensor, and
the control unit is configured to provide a warning signal if the internal temperature exceeds a threshold value.
A contactor arrangement is specified herein, comprising:
a contactor with a contact bridge for switching an electrical connection between a first terminal and a second terminal during operation,
a first temperature sensor in direct contact with the first terminal or with a bus bar that is electrically connected to the first terminal,
a second temperature sensor configured for measuring an ambient temperature outside of the contactor during operation, and
a control unit configured for computing an internal temperature of the contact bridge inside the contactor, wherein
the internal temperature depends on temperature readings of the first temperature sensor and the second temperature sensor, and
the control unit is configured to provide a warning signal if the internal temperature exceeds a threshold value.
Further, a method for operating a contactor arrangement is specified herein.
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
G01K 1/02 - Means for indicating or recording specially adapted for thermometers
G01K 3/00 - Thermometers giving results other than momentary value of temperature
G01K 7/22 - Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat using resistive elements the element being a non-linear resistance, e.g. thermistor
G01K 15/00 - Testing or calibrating of thermometers
A tank including an interior; a passive heat management apparatus exterior to the tank and in fluid communication with the interior; an electromagnetic circuit in the interior, the electromagnetic circuit including an input coil assembly and an output coil assembly; and a power converter mounting assembly permanently affixed to and integral with the tank, the power converter mounting assembly including: a first side in the interior, the first side including a heatsink, and a second side not in the interior, the second side including an electronics interface in thermal contact with the heatsink, the electronics interface configured to receive an electronic network including one more heat-generating electronic devices controllable to adjust a property of one or more of a current and a voltage of the electromagnetic circuit. In operational use of the system, the interior includes an electrically insulating fluid, the heatsink is immersed in the electrically insulating fluid, and the electrically insulating fluid transports heat from the electrical network and the electromagnetic circuit.
Disclosed herein is an apparatus for centring a cable through a Rogowski coil. The apparatus (also called a unit or module) is configured for use with an electrical device. The apparatus comprises a housing. A cable enclosure is disposed within the housing and extending from an interior surface of the housing, the cable enclosure defining a channel which is configured to accommodate a cable, the cable configured for connection to the electrical device. A Rogowski coil is arranged within the housing and disposed around a portion of the cable enclosure, the Rogowski coil configured to monitor a current through the cable. The cable enclosure comprises at least three flexible portions, the at least three flexible portions separated from each other and distributed evenly around a circumference of the channel.
G01R 15/18 - Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
51.
SYSTEM AND METHOD FOR CONTINUOUS MONITORING OF SUB-SYNCHRONOUS OSCILLATIONS
A sub-synchronous oscillation (SSO) management system for an electrical power system is described. The SSO management system may be associated with a power quality meter connected to a power source and a plurality of loads. The SSO management system includes a Fourier analyzer to perform Fast Fourier transform (FFT) on a power waveform over a time window based on power quality data received from the power quality meter. A peak identifier may operate to identify one or more peaks above a threshold from a set of FFT bins. An amplitude determiner may operate to obtain an amplitude at each detected SSO frequency including root mean square (RMS) values from a plurality of adjacent FFT bins within a range of interest. The SSO management system may detect SSO and perform control processes to mitigate or even eliminate SSO via a damping system, control of power distribution apparatuses, and/or parameter tuning.
G01R 23/15 - Indicating that frequency of pulses is either above or below a predetermined value or within or outside a predetermined range of values, by making use of non-linear or digital elements
A variable valve lift rocker arm assembly may include an outer rocker arm body having a valve end and a cam end. The outer rocker arm body may be configured to rotate around a first axle of the outer rocker arm body. The variable valve lift rocker arm assembly may include an inner rocker arm body configured to selectively and operatively latch to the outer rocker arm body through a latching assembly. The latching assembly may include one or more latch pins actuated by a first actuating assembly and a second actuating assembly to switch between a latched mode and an unlatched mode. In the latched mode, the relative motion between the inner rocker arm body and the outer rocker arm body may be locked. In the unlatched mode, the relative motion between the inner rocker arm body and the outer rocker arm body may be permitted.
An acoustic tee mounting clip is configured to couple a ceiling bracket to a ceiling member. The acoustic tee mounting clip comprises a body having a lower portion, an upper portion, and an arm. The lower portion is integrally connected to the upper portion. The upper portion comprises a bent portion and an attachment point for the acoustic tee mounting clip. The arm is disposed at a distal end of the bent portion and bends outward from the distal end. The arm is configured to be fastened to a horizontal surface of the ceiling bracket.
A synchronizing system in a valvetrain assembly. A first rocker arm comprises a deactivating roller, the deactivating roller configured to be selectively switchable between a latched position and an unlatched position. A second rocker arm comprises an engine brake capsule, the engine brake capsule configured to be selectively translatable between a retracted position and an extended position. A first switching mechanism is arranged in the first rocker arm and configured to move between a first position and a second position to controllably switch the deactivating roller between the latched position and the unlatched position. A second switching mechanism is arranged in the second rocker arm and configured to move between a third position and a fourth position to controllably translate the engine brake capsule between the retracted position and the extended position. A single actuation source is configured to synchronously control (a) movement of the first switching mechanism from the first position to the second position and (b) movement of the second switching mechanism from the third position to the fourth position.
F01L 13/06 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
58.
BUS PLUGS HAVING DUAL PLUG-INS AND BUSWAY SYSTEM INCLUDING THE SAME
A dual plug-in bus plug for use in a busway system including a busway and a first and second consecutive plug-ins disposed on the busway. The dual plug-in bus plug includes: a housing including a base, a first plug-in connector structured to be inserted into the first plug-in and a second plug-in connector structured to be inserted into the second plug-in, wherein the first and second plug-in connectors are structured to distribute current from the busway upon being inserted into the plug-ins; line side busbars electrically connected to the first and second plug-in connectors; and a circuit protection device disposed within the housing and electrically connected to the first and second plug-in connectors via the line side busbars and to a load, the circuit protection device structured to provide the current to the load during normal operation and interrupt the current from flowing to the load during a fault.
H01R 25/16 - Rails or bus-bars provided with a plurality of discrete connecting locations for counterparts
H01R 13/713 - Structural association with built-in electrical component with built-in switch the switch being a safety switch
H02H 7/22 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for distribution gear, e.g. bus-bar systemsEmergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for switching devices
59.
SYSTEMS AND METHODS FOR MONITORING AN ELECTRICAL DISTRIBUTION SYSTEM
An electrical conductor monitoring system for single or multi-phase conductors is described. The monitoring system may be configured to monitor the health of a conduction system based on multi-phase sequences and/or current magnitude and angle vectors of multi-phase or single-phase current. In one example, the monitoring system includes an insulation health monitoring system having an input and output measurement devices, the input measurement device disposed at an input end of the electrical distribution system and structured to measure three-phase input currents, the output measurement device disposed at an output end of the electrical distribution system and structured to measure three-phase output currents; and a monitoring device communicatively coupled to the measurement devices and structured to receive the three-phase input and output currents from the measurement devices and determine a state of the insulation system based on the three-phase input and output currents. Other embodiments are described.
A tank including an interior; a passive heat management apparatus exterior to the tank and in fluid communication with the interior; an electromagnetic circuit in the interior, the electromagnetic circuit including an input coil assembly and an output coil assembly; and a power converter mounting assembly permanently affixed to and integral with the tank, the power converter mounting assembly including: a first side in the interior, the first side including a heatsink, and a second side not in the interior, the second side including an electronics interface in thermal contact with the heatsink, the electronics interface configured to receive an electronic network including one more heat-generating electronic devices controllable to adjust a property of one or more of a current and a voltage of the electromagnetic circuit. In operational use of the system, the interior includes an electrically insulating fluid, the heatsink is immersed in the electrically insulating fluid, and the electrically insulating fluid transports heat from the electrical network and the electromagnetic circuit.
An improved EV charger handle with a SAE J3400 connector plug provides the operating status of the charging station and an improved ergonomic design as compared to existing charger handles. In addition, the EV charging handle includes a UHF circuit activation button that enables a user to transmit a UHF signal to an electric vehicle in order to open the charging port on said vehicle. The EV charging handle further includes temperature sensors on the power contact pins of the connector plug.
A method to identify rotor slot harmonics (RSH) in a motor current spectrum of an AC induction motor includes receiving current data from the motor operated at two different load values, obtaining a motor current frequency spectrum comprising a first motor current spectrum corresponding to a first load value and a second motor current spectrum corresponding to a second load value, detecting a number of peak current values for a frequency range of the motor current frequency spectrum, and comparing the detected number of peak current values for the frequency range from the first motor current spectrum to the second motor current spectrum. Pairs of consecutive peaks are determined from the detected number of peak current values for each of first load value and second load value and compared. When the comparison is above a threshold value, the pair of consecutive peak current values are identified as RSH.
H02P 27/04 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
H02P 29/024 - Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
63.
FUEL TANK VALVE ASSEMBLY WITH A CONFIGURABLE MOUNTING BRACKET
A mounting bracket for a valve assembly for a fuel tank. The mounting bracket includes a bracket body configured to be releasably clamped around at least a portion of the valve assembly. The bracket body has an internal surface with a plurality of alignment features configured to mate with a plurality of receiving features on the portion of the valve assembly. The mounting bracket includes a pair of legs that respectively extend from distal ends of the bracket body. Each of the legs includes a mounting hole, the mounting holes of the pair of legs being aligned with each other and configured for receiving a fastener when the bracket body is clamped around the valve assembly. The plurality of alignment features are configured to mate with the plurality of receiving features in a plurality of configurations corresponding to different relative orientations between the bracket body and the valve assembly.
B60K 15/035 - Fuel tanks characterised by venting means
F02M 25/08 - Engine-pertinent apparatus for adding non-fuel substances or small quantities of secondary fuel to combustion-air, main fuel or fuel-air mixture adding fuel vapours drawn from engine fuel reservoir
64.
BACK-TO-BACK CONVERTER SYSTEM CONFIGURED TO PROVIDE AC OR DC OUTPUT
Adaptive variable frequency drive Described herein is an electrical power conversion system for use with an alternating current (AC) source. The electrical power conversion system comprises a converter and a control system configured to receive an input indicative of a desired output from the electrical power conversion system. The control system is configured to select, based on the input, an operational mode of the converter. The operational modes comprise a first operational mode and a second operational mode. In the first operational mode, the converter is configured as an alternating current (AC) to AC converter configured to convert an input alternating current from the AC source into an AC output, the electrical power conversion system configured to provide the AC output to an AC load. In the second operational mode, the converter is configured as an AC to direct current (DC) converter configured to convert the input alternating current from the AC source into a DC output, the electrical power conversion system configured to provide the DC output to a DC load. A method for operating the electrical power conversion system is also described herein.
H02M 5/458 - Conversion of AC power input into AC power output, e.g. for change of voltage, for change of frequency, for change of number of phases with intermediate conversion into DC by static converters using discharge tubes or semiconductor devices to convert the intermediate DC into AC using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 7/5387 - Conversion of DC power input into AC power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only, e.g. single switched pulse inverters in a bridge configuration
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
65.
ISLANDING SWITCH INCLUDING A COUPLING ASSEMBLY FOR INTEGRATION WITH A METER CIRCUIT INTERRUPTER
An islanding switch for use in a load panel includes a frame including islanding circuits, and a coupling assembly. The frame also includes a top having multiple openings, a sidewall extending downward from the top, multiple channels extending vertically between the peripheries of the openings to bottom edge of the sidewall, and multiple socket joints extending horizontally across the channels above the bottom edge. The coupling assembly includes a base, multiple coupling busbars including inner portions embedded within the base and outer portions structured to be affixed to the meter and the branch circuit breakers, multiple sockets having lower ends affixed to inner portions of respective coupling busbars and upper ends affixed to respective socket joints. The islanding circuits include switching elements and a control circuit structured to cause the switching elements to disconnect the DERs from the utility grid upon detecting a power outage.
A lightweight and low noise gear assembly includes a gear assembly that includes a hub, at least one disc, and a ring gear component, wherein two or more of the hub, the at least one disc and the ring gear component are welded together. A lightweight and low noise gear assembly includes a shaft assembly that includes a ring gear, and at least one disc joined with the ring gear. A method of forming a gear assembly, the gear assembly including a hub, at least one disc, and a ring gear component, the method including press-fitting the at least one disc onto the hub and the ring gear, and welding the at least one disc and the ring gear to the hub.
A control system includes: a detection module configured to: analyze a harmonic content metric to determine whether a load break condition exists; if a load break condition exists, compare an amplitude metric of electrical current to an undercurrent specification to determine whether a load loss condition exists; determine whether an electrical system includes one or more broken electrical conductors, where to determine whether the electrical system includes one or more broken conductors, the detection module is configured to determine whether the load break condition and the load loss condition exist at the same time; and if the electrical system includes one or more broken electrical conductors, generating a switch command. The control system also includes a command module configured to: control a switch to stop electrical current flow into the one or more broken conductors in response to the switch command.
H02H 5/10 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to mechanical injury, e.g. rupture of line, breakage of earth connection
68.
BUS ARRANGEMENT AND METHOD FOR OPERATING A BUS ARRANGEMENT
Some embodiments relate to a coordinator; a plurality of subscribers, each comprising a button, a memory and a display; and a bus which couples the coordinator to the plurality of subscribers. The coordinator and the plurality of subscribers are configured to be set in an addresses allocation mode. In the addresses allocation mode, the coordinator is configured to indicate a first subscriber number and to broadcast a first broadcast message to the plurality of subscribers. In the addresses allocation mode after activation of a button of a first subscriber of the plurality of subscribers, the first subscriber is configured to be activated and to send an acknowledge message to the coordinator.
A sensor system includes one or more sensors managed by a controller. Each sensor within the sensor system includes a signal emitter configured to send a signal through a prism to an interface surface and a signal detector configured to receive a signal reflected through the prism from the interface surface. The controller analyzes the power level of the reflected signal to determine the medium (e.g., air, water, or fuel) that surrounds the interface surface. In certain examples, the presence of each of air, water, and fuel will result in a unique, respective power level of the reflected signal.
The present disclosure comprises a vane pump with hydrostatic pressure plates, or port plates, to axially center a rotor between the port plates. The port plates comprise a pressurization arrangement configured to provide unequal opposing pressures to the rotor when the rotor moves closer to one of the port plates, which provides a net axial thrust to the rotor to move it towards a central position. The pressurization arrangement can comprise circular grooves in the port plates in fluid communication with a high pressure exhaust zone of the pump. Fluid moves from the exhaust zone, through pressurized lines, into the port plates, through an orifice, and into the grooves. The pressurization arrangement can also comprise inner and outer diameter seal rings concentrically disposed inside and outside the grooves. The seal rings can be comprised of a relatively close clearance to the rotor compared to the grooves.
F04C 2/344 - Rotary-piston machines or pumps having the characteristics covered by two or more of groups , , , or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group or and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
71.
FAST DYNAMIC CONTROL OF ELECTRIC MOTORS USING OPTIMAL PULSE PATTERNS (OPP)
Methods for controlling an electric motor using an inverter and optimal pulse patterns (OPPs) are provided. The method includes pre-generating a plurality of optimal switching angles corresponding to voltage waveforms for a range of modulation indices; storing the pre-generated optimal switching angles; generating a voltage command using a model-free predictive controller based on a flux error signal of the electric motor; selecting optimal switching angles from stored pre-generated optimal switching angles based on the voltage command; modifying the selected optimal switching angles using a pulse pattern modifier to compensate for dynamic changes in motor operating conditions; and generating gating signals for the inverter based on the modified switching angles to drive the electric motor.
H02P 21/13 - Observer control, e.g. using Luenberger observers or Kalman filters
H02M 1/38 - Means for preventing simultaneous conduction of switches
H02P 27/08 - Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
A method for monitoring a switching device (1) comprises the steps of - changing the supply voltage (10) of the magnetic drive (2) from an operation value (11) to a monitoring value (12) for a monitoring time period (13), - monitoring an inductive signal (30) induced in the freewheeling circuit (3) during the monitoring time period (13). The switching device (1) is configured to switch by changing a supply voltage (10) for a solenoid (20) of a magnetic drive (2). The switching device (1) comprises a freewheeling circuit (3) arranged in series to the solenoid (20) of the magnetic drive (2).
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01F 7/18 - Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
73.
Modular and scalable technique for measurement of der/source parameters for multi-phase and multi-source system for ISE and metering applications
Software-based source voltage parameter monitoring is provided for load centers that include one or more DERs. The software enables a system energy manager (SEM) controller to monitor the relevant source voltage parameters of each DER and other voltage sources to ensure that each DER meets applicable safety standards when connecting to and disconnecting from the utility grid. The software eliminates the need to install off-the-shelf (OTS) chips in hardware used within a load center to communicate the source voltage parameters of each voltage source to the SEM controller. Instead, the software enables an SEM controller to detect the voltage signal output by each voltage source in a load center, and uses a dynamically generated internal control signal that is transformed to a rotating reference frame to detect the RMS voltage, phase angle, and frequency of each voltage source output. Eliminating OTS chips eliminates communication latency and increases system reliability.
A residual current device (1) has two operation states and comprises a residual current detection unit (2) configured to detect a residual current signal (20), a calculation unit (3) configured to calculate a corresponding charge (30) from the residual current signal (20), a threshold unit (4) configured to detect whether the charge (30) exceeds a predetermined threshold (40), and a tripping unit (5) configured to trip the residual current device (1) if an exceedance of the threshold (40) is detected by the threshold unit (4). In a first operation state (11) the tripping unit (5) is configured to be activated if a residual current is detected. In a second operation state (12) the tripping unit (5) is configured to be activated if an exceedance of the predetermined threshold (40) of charge (30) is detected by the threshold unit (4). The residual current device (1) comprises a state selector (8) configured to determine the operation state (11, 12). Furthermore, a method for operating a residual current device (1) is specified.
H02H 3/33 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to difference between voltages or between currentsEmergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
H02H 1/00 - Details of emergency protective circuit arrangements
A hybrid circuit breaker includes a primary trip/isolation relay component and a primary trip/isolation relay component driver coupled to the primary trip/isolation relay component and structured to interrupt current from flowing to the load in an event of fault; a sensing mechanism structured to sense at least current, voltage, and power flowing to the load; a metrology component coupled to the sensing mechanism and structured to monitor and measure at least the current, voltage and power; a controller structured to detect the event of fault based on data received from the sensing mechanism and the metrology component and communicate with a user device; and a hybrid secondary switching device coupled to the controller and the primary trip/isolation relay component, the hybrid secondary switch device including secondary contacts, a miniaturized electromechanical relay and a power electronics circuit connected in parallel with the miniaturized electromechanical relay.
H02H 3/00 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection
H01H 89/00 - Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
H02H 1/00 - Details of emergency protective circuit arrangements
78.
Health Index Determination And Fleet Monitoring For An Electrical Apparatus
An electrical apparatus health monitoring system includes: a health index determination module configured to: access a rank for each of a plurality of sub-parameters; determine a relative importance of each sub-parameter based on the rank of the sub-parameter, the rank of at least one other sub-parameter, and a pre-determined scale; determine a weight for each sub-parameter based on the relative importance of the sub-parameter; and determine a health index for the electrical apparatus based on the weights of the sub-parameters and scores associated with the sub-parameters; and a visualization module configured to: present the health index and the weight for each sub-parameter.
G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indicesICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
79.
POWER PEDESTAL WITH GHOST LIGHTING PROJECTION DEVICE
An improved power pedestal includes a ghost lighting projection device. The ghost lighting projection device is separate from an illumination lens that provides lighting to illuminate the area around the power pedestal. The ghost lighting projection device can include customizable text and/or imagery, thus enabling a user to provide increased differentiation of the area where the power pedestal is located, such as a marina or a specific slip at the marina.
A method for determining a remaining useful lifer of a switch is provided. A position of a switch in a converter is determined. A switching sequence for the converter is determined based on the position of the switch. The converter is operated based on the determined switching sequence. An ON-state voltage across collector and emitter of the switch is measured. A remaining useful life of the switch is determined based on the measured ON-state voltage across collector and emitter.
A valve assembly (130) for a fuel tank is disclosed, featuring a valve housing (132) with an inlet (133), outlet (144), and an internal chamber. A cage (171) is positioned within this chamber, housing a movable sealing element (168) with a disk (148) at its lower end. This disk includes apertures (210) for vapor passage. An outer seal (174) is coupled to the bottom of the cage. Below the disk is an over pressure release (OPR) seal (142), to which an inner seal component (443) with a seal lip 450 is attached. The inner seal component is configured to seal a vapor passage between the disk and the OPR seal when these components are pressed together. Conversely, the seal lip guides vapor flow toward this passage when the disk and OPR seal separate.
Mobile applications with a combined breaker and relay can include a power distribution unit, a current source circuit, and a voltage determination circuit. A combined breaker and relay can be configured to interrupt a motive power circuit for an electrical vehicle system. A combined breaker and relay can include a plurality of fixed contacts, a plurality of movable contacts, a plurality of amateurs, and a current response circuit.
H02H 7/085 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
B60K 6/22 - Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
H01H 71/32 - Electromagnetic mechanisms having permanently magnetised part
H01H 89/00 - Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
H02H 1/00 - Details of emergency protective circuit arrangements
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H02P 29/68 - Controlling or determining the temperature of the motor or of the drive based on the temperature of a drive component or a semiconductor component
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
A circuit breaker is specified herein, comprising: - an electrically controllable switch (2) for switching an electric current line between a first terminal (31) and a second terminal (32), wherein - the circuit breaker (1) is pluggable into a fuse holder (4).
A computer-implemented method of predicting electric vehicle (EV) charging and discharging. The method includes: collecting input data from a database and a plurality of EVs authorized to be charged or discharged at a site, the input data including historical input data and real time input data associated with charging and discharging the EVs; training a plurality of machine learning (ML) models using the historical input data to predict EV charging and discharging outcomes at the site for a time period; and predicting, by an ML inference device that is applying the trained ML models to the real time input data, an amount of power needed for EV charging or an amount of EV discharging power available by the one or more authorized EVs during a time interval.
Lockout/tagout devices are configured to receive multi-user, electronically generated locking and unlocking commands over wireless interfaces to realize lockout safety chains of a desired length to assure worker safety in an industrial system. Electronically implemented systems and methods are also disclosed providing for enhanced worker safety, increased security, and improved lockout/tagout oversight involving a reduced number of locking devices and with fewer complications compared to conventional lockout/tagout devices, systems and processes.
A circuit interrupter includes a housing; line conductors; load conductors; an isolation switch assembly including isolation switches disposed within the housing, one solenoid actuator disposed external to the housing and between two line conductors, the one solenoid actuator structured to actuate the isolation switches to be open or closed based on a command signal, and an insulating connector connecting the isolation switches and the one solenoid actuator; and a power electronic module disposed within the housing and including a controller and electronic interrupters connected to the controller, the isolation switches and the load conductors, the controller structured to generate and transmit a control signal comprising the command signal to the electronic interrupters or the solenoid actuator, the electronic interrupters structured to allow the current to flow during normal operation and interrupt the current from flowing to the load in the event of a fault based on the control signal.
H01F 7/18 - Circuit arrangements for obtaining desired operating characteristics, e.g. for slow operation, for sequential energisation of windings, for high-speed energisation of windings
A thermal management system for a switchgear enclosure configured to house electrical components is disclosed. The system can include a swing flap positioned at an opening on the switchgear enclosure, configured to move between a first position, allowing airflow, and a second position, restricting airflow. The system includes an airflow component, positioned between the electrical components and the swing flap, to facilitate airflow introduction, passage, and exit through the switchgear enclosure. The swing flap moves to the second position in response to arc fault pressure, reducing a likelihood of escape of arc fault byproducts. The presence of the swing flap can create a non-linear airflow path from the opening to the airflow component such that the airflow is directed around the swing flap.
An electrical wiring device includes a traveler conductor with a bracing portion that couples the traveler conductor to a support structure formed in the housing of the device. The bracing portion and the support structure facilitate an interference fit between the bracing portion and the support structure. A flipper conductor of the wiring device is structured to be actuated between a first position and a second position, in order to supply power and cut off power to a load electrically connected to the wiring device. When the flipper conductor moves from the second position to the first position, there is an impact on the traveler conductor. The bracing portion has angled cuts that enable the bracing portion to tilt slightly back and forth upon impact from the flipper conductor. The angled cuts and the thermoplastic material properties of the support structure significantly reduce bouncing of the overall traveler conductor structure.
H01H 1/50 - Means for increasing contact pressure, preventing vibration of contacts, holding contacts together after engagement, or biasing contacts to the open position
H01H 3/54 - Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
In some aspects, the techniques described herein relate to a busbar for electrically connecting components in a power distribution unit (PDU), the busbar including: a first metallic bar configured at one end to be coupled to a terminal of the PDU; and a heat distribution block at the one end of the first metallic bar. In some aspects, the techniques described herein relate to a busbar, wherein the heat distribution block includes a vapor chamber. In some aspects, the techniques described herein relate to a busbar, wherein a shape of the vapor chamber conforms to a shape of the one end. In some aspects, the techniques described herein relate to a busbar, wherein the heat distribution block includes a metal block, wherein the metal block includes a phase change material.
Some embodiments relate to a multiport protection apparatus comprises a first DC link grid line, a plurality of protection switch units, each protection switch unit having a control input, a plurality of ports and a controller which is coupled on its output side to the control inputs of the plurality of protection switch units. Each protection switch unit of the plurality of protection switch units couples a port of the plurality of ports to the first DC link grid line.
H02H 3/087 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection responsive to excess current for DC applications
A combined axle disconnect and park lock system for a vehicle having a motive source and wheels. The system includes an output shaft and an intermediate gear permanently fixed for rotation with the output shaft. An output gear is mounted for selective relative rotation on the first output shaft. The system further includes a sleeve and a shift assembly configured to move the sleeve relative to the output shaft to place the system in a plurality of conditions. When the system is in a first condition of the plurality of conditions, the sleeve is moved such that the output gear can rotate relative to the first output shaft, and the drive wheels are free to rotate and are not coupled to the motive source. When the system is in a second condition of the plurality of conditions, the sleeve is moved such that the output gear cannot rotate relative to the first output shaft, and the drive wheels are free to rotate and are coupled to the motive source, when the system is in a third condition of the plurality of conditions, the sleeve is moved such that the drive wheels are not free to rotate.
B60K 17/02 - Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
B60K 23/08 - Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels
A computer-implemented method is performed by a client device that is in communication with a plurality of server devices. Each server device is initialised to have the same default server address, and each server device is associated with a respective unique identifier key that belongs to a first range. The method comprising the following steps: a) sending a response request to the default server address, the response request referencing the first range of identifier keys and an instruction causing any server devices associated with an identifier key lying within the range referenced in the response request to provide a predefined response to the client device; b) using an interval bisection method to send further response requests to the default server address referencing different sub-ranges of the first range to search for a sub-range of the first range for which a response request referencing the sub-range causes a predefined response to be received from a server device without a collision; and c) assigning the responding server device to a unique server address.
In one embodiment, a surface mount electromagnetic component for multi-phase electrical power circuitry implemented on a circuit board includes a first magnetic core, a second magnetic core structure, and an integrated winding. The integrated winding includes an inner winding and an outer winding, wherein the integrated winding is constructed by molding the inner winding and the outer winding, wherein the inner winding is electrically isolated from the outer winding, wherein the inner winding is nested in the outer winding, wherein the inner winding defines a first inverted U-shaped main winding portion, wherein the first inverted U-shaped main winding portion includes a first top section and first vertical legs perpendicular to the first top section, and wherein the outer winding defines a second inverted U-shaped main winding portion, wherein the second inverted U-shaped main winding portion includes a second top section and second vertical legs perpendicular to the second top section.
An improved ground fault circuit interrupter (GFCI) receptacle includes a reset button coupled to a light pipe. The reset button and light pipe are designed to be coupled to one another in a manner ensuring that they cannot be unintentionally uncoupled and which uses minimal space in the GFCI housing. The light pipe has a main body and a lever protruding from the main body. The main body has a surface visible from the front of the GFCI, and the lever protrudes orthogonally from the main body. A sidewall of the reset button comprises an opening structured to receive the light pipe lever only when the lever is positioned in a specific orientation. When the lever is received in the opening of the reset button, the light pipe can be rotated until a notch formed in the lever snap fits onto the sidewall of the reset button.
A method for generating a winding fault detection model for detecting a winding fault in stator windings of an electrical machine comprises: - collecting batches of samples of three-phase voltage and current signals, - for one or more load conditions, pre-processing a first set of batches to generate, for each batch in the first set of batches, a first set of features comprising sequence components associated with the three-phase current and voltage signals, and a zero-sequence admittance and a negative-sequence impedance of the electrical machine obtained from said sequence components, - calculating learned values of the zero-sequence admittance and negative-sequence impedance, - calculating, for each batch in a second set of batches, a second set of features comprising an inter-turn and a phase-to-ground fault severity index based on the learned values, - training a non-supervised anomaly detection model to detect winding faults, based on the second sets of features, - storing the anomaly detection model for subsequent inference.
In one embodiment, a valve assembly housing configured to house a valve assembly for a fuel tank is provided. The valve assembly housing includes an inlet, an outlet positioned parallel to and lower than the inlet, a valve cavity connected between the inlet and the outlet, and a main seat positioned in the valve cavity at a location proximate to where the valve cavity transitions to the outlet. The outlet and the inlet have different axes. The valve cavity is configured to house the valve assembly. The main seat is configured to support a spring of the valve assembly disposed along a center axis of the valve cavity. The main seat includes a retainer configured to retain the spring on the main seat.
Some embodiments of the present inventive concept provide a health monitoring system for monitoring the health of DC-link capacitors. The system includes a controller that hosts a health monitoring algorithm that computes a capacitance of the DC-link capacitor and estimates the health of the capacitor. The controller measures a DC-link voltage; filters high-frequency noise from voltage; obtains a peak value a minimum value of a DC-link voltage from the filtered DC-link voltage; calculates a drive output power from the measured DC-link voltage; calculates a charging time duration for the DC-link capacitor; calculates a DC-link capacitance using the peak and minimum voltage magnitudes, calculated charging time duration, calculated drive output power, and frequency; compares the calculated DC-link capacitance with a measured baseline DC-link capacitance to determine a reduction in capacitance; and determines the health of the DC-link capacitor based on the calculated reduction in capacitance.
G01R 27/26 - Measuring inductance or capacitanceMeasuring quality factor, e.g. by using the resonance methodMeasuring loss factorMeasuring dielectric constants
H02M 1/32 - Means for protecting converters other than by automatic disconnection
98.
METHOD FOR DETERMINING A CONTACT WEAR OF A SWITCHING DEVICE, AND SWITCHING DEVICE
The invention relates to a method for determining a contact wear of a switching device (1) comprising an anchor (2) that is moved by means of a magnetic drive (3) in a tripping event, at least one fixed contact (7) and at least one moveable contact (8) mechanically connected to the anchor (2). The method comprises the steps of: - determining a contact time (10) when fixed contact (7) touches the moveable contact (8), - determining an inductance (11) of the magnetic drive (3) at the contact time (10), - determining the contact wear by comparing an initial inductance (12) with the inductance (11) at the contact time (10). Furthermore, a switching device (1) is specified.
H01H 11/00 - Apparatus or processes specially adapted for the manufacture of electric switches
H01H 47/00 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
H01H 71/04 - Means for indicating condition of the switching device
The method comprises the steps of: - collecting (510) datasets from various sources, said datasets including real-time data and/or historical data and being relevant to the power grid management; - generating (540) a computer-based model that virtually represents the power grid, based on the collected datasets; - simulating (550) how the power grid operates under various conditions and/or operational scenarios using the computer-based model; - managing (560) the power grid based on simulation results; wherein the method further includes a step (516) of determining a user category among a plurality of predetermined user categories, and the computer-based model is adapted to the determined user category.
G06Q 10/04 - Forecasting or optimisation specially adapted for administrative or management purposes, e.g. linear programming or "cutting stock problem"
G06Q 10/06 - Resources, workflows, human or project managementEnterprise or organisation planningEnterprise or organisation modelling
H02J 13/00 - Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the networkCircuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
100.
SEALING ARRANGEMENT FOR AN EXPLOSION PROOF ENCLOSURE
An explosion proof enclosure assembly with a first enclosure (110) defining a port (112) with a threaded portion (114) and a tube (120) joinable to the first enclosure (110). The tube (120) defines a threaded portion (122). The explosion proof enclosure further having the threaded portion (122) of the tube (120) being threaded into the threaded portion (114) of the first enclosure (110) to provide a threaded connection arrangement (130). A flame path (140) defined by the threaded connection arrangement (130). The explosion proof enclosure further having a sealing arrangement (150) having a ring (152) mounted around the tube (120) and a seal (154) compressed by the ring (154) for providing sealing between the tube (120) and the first enclosure (110).
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