A bistable electrical switching device (1) is provided. The bistable electrical switching device (1) comprises a controller and an electromagnetic drive unit (2), wherein the electromagnetic drive unit comprises a moveable armature (3) that can move between a first stable position and a second stable position. The controller is configured to provide a first actuation signal (800,900) to cause the moveable armature (3) to move from the first stable position to the second stable position, wherein the first actuation signal comprises at least two first pulses (801) having a first polarity, wherein the controller and the electromagnetic drive unit are configured such that a pulse having the first polarity causes the armature to accelerate in the direction of the second stable position from the first stable position.
H01H 47/22 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
H01H 50/24 - Parts rotatable or rockable outside coil
Clip arrangement A clip arrangement (70) is configured for mounting on a rail (80). The clip arrangement (70) comprises a housing (50) and a clip (10). The clip (10) is realized as an elongated part and comprises a first snap (25) at a first side (15) of the clip (10) and a second snap (26) at a second side (16) of the clip (10). The housing (50) includes a first opening (61) for interacting with the first snap (25) and a second opening (62) for interacting with the second snap (26).
An air intake system for an internal combustion engine and methods of operating the air intake system. The system includes a turbocharger, a supercharger in series with the turbocharger, a first intercooler between the turbocharger and the supercharger, and a second intercooler downstream of the supercharger. The method includes operating the air intake system to support the internal combustion engine in a drive mode by bypassing the supercharger by opening a first throttle valve in a first bypass line and operating the air intake system to support the internal combustion engine in a brake mode by closing the first throttle valve in the first bypass line.
A fuel recirculation system manages fuel cell humidity requirements during the continuous operation of the vehicle by separating/injecting the water into the fuel line. During vehicle shutdown, the fuel recirculation system operates in a dehumidification mode in which fuel outlet from the fuel cell stack repeatedly cycles through a water separator and/or purge valve without being routed back to the fuel cell stack. Contaminated fuel from a gear case or sealing region of a blower also can be purged from the system. An example water separator includes a valve arrangement having a float-type actuator to selectively allow liquid water past a membrane to the storage tank.
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
H01M 8/04228 - Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids during start-up or shut-downDepolarisation or activation, e.g. purgingMeans for short-circuiting defective fuel cells during shut-down
5.
VENT VALVE WITH LEAK CHECK AND THERMAL RUNAWAY RELIEF
A vent valve assembly can be operated in a passive venting mode, a leak check mode, and an emergency venting mode. The vent valve assembly is automatically transitioned from the passive venting mode to the emergency venting mode during a pressure spike. The vent valve assembly is manipulatable to be transitioned from the passive venting mode to a leak check mode using an actuator. The actuator may be manipulated from an exterior of the vent valve assembly.
F16K 17/04 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side spring-loaded
F16K 17/168 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side combined with manually-controlled valves, e.g. a valve combined with a safety valve
The electronic module is configured for charging an electric vehicle. The electronic module comprises a charge controller unit, a safety unit and an energy monitoring unit. The charge controller unit, the safety unit and the energy monitoring unit are arranged in a common housing. The charge controller unit and the safety unit are further arranged directly in a charging path for the electric vehicle.
An electrical arrangement (1) comprising a support capacitor (10), a bridge circuit (20), a charge circuit (30) and a control unit (40) is described herein. The electrical arrangement (1) is configured to be connected to a first bus bar (L1) and a second bus bar (L2) of a DC link. The support capacitor (10) is coupled to the first and second bus bars (L1, L2) via the bridge circuit (20) and the charge circuit (30). The control unit (40) is configured to control the bridge circuit (20) and the charge circuit (30) according to a charging mode and a discharging mode. In the charging mode, the support capacitor (10) is charged using excess energy emerging from an overvoltage in the DC link, and in the discharging mode, energy stored in the support capacitor (10) is fed into the DC link. The bridge circuit (20) comprises four transistors arranged in an H-bridge configuration. Further, a method for operating an electrical arrangement (1) is provided.
The invention relates to a pre-charge unit (10) for pre-charging a DC load (20) having an input capacitance, the unit comprising a magnetoresistive conductor (12) for connecting the DC load to a DC voltage source (30); an electromagnetic arrangement (14) for generating a magnetic field (50) which is applied to the magnetoresistive conductor for controlling a current conducted through the magnetoresistive conductor from the DC voltage source to the DC load; a driver unit (16) for driving the electromagnetic arrangement; and a control unit (18) configured to control the driver unit to drive the electromagnetic arrangement for increasing the impedance of the magnetoresistive conductor by increasing the strength of the magnetic field applied to the magnetoresistive conductor during a pre-charging period.
H03K 17/90 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of galvano-magnetic devices, e.g. Hall-effect devices
A recirculation delivery unit includes a pump and an ejector disposed within a common housing. The ejector path is disposed between the pump path and a motor operating the pump. The pump and the ejector may have a common inlet into the housing and/or a common outlet out of the housing. Fluid passing through the pump may be combined with fluid passing through the ejector before leaving the housing. A heater may be disposed within the ejector to provide de-icing and/or inhibit ice formation.
F04C 18/12 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
A user interaction device (100) comprises a user interaction element (1) reaching through an opening (20) in a wall element (2) from a front side (21) to a rear side (22) of the wall element (2) and being fastened to the wall element (2), a mounting adapter (4) and a carrier element (5) with at least one electrical component (6) mounted on the carrier element (5), wherein the user interaction element (1) comprises a user interaction part (11) situated on the front side (21) of the wall element (2) and a connector part (12) on the rear side (22) of the wall element (2), the mounting adapter (4) is fastened to the connector part (12) by a clip connection, the carrier element (5) is fastened to at least two fastening elements (42) of the mounting adapter (4) by means of mechanical connection elements (7), and the at least two fastening elements (42) have a predetermined length so that the at least one electrical component (6) is at a predefined position with respect to the user interaction element (1).
The present invention relates to an enclosed drive which comprises an electric motor. According to the invention, the electric motor (12) is located in an enclosed housing (10) together with an output shaft (13) of the electric motor (12) and an inner magnetic clutch disc (16), with the output shaft (13) driving the inner magnetic clutch disc. The inner magnetic clutch disc (16) is magnetically coupled to an outer magnetic clutch disc (18) located outside of the housing (10) in order to transmit a torque from the electric motor (12).
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 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
H02K 7/11 - Structural association with clutches, brakes, gears, pulleys or mechanical starters with dynamo-electric clutches
H02K 49/10 - Dynamo-electric clutchesDynamo-electric brakes of the permanent-magnet type
H02K 11/215 - Magnetic effect devices, e.g. Hall-effect or magneto-resistive elements
A tool operator training system is provided, comprising first operator sensors (102, 104) configured to be placed on an expert operator and a first tool (103) with first tool sensor (106). A first controller (105) is configured to measure (S301) expert operator movements and expert operator tool movements, and generate an expert operator avatar. Second operator sensors (112, 114) are configured to be placed on a trainee operator and a second tool (113) with second tool sensors (116). A second controller (115) is configured to generate (S302) a trainee avatar for a trainee operator, and measure (S303) trainee operator movements and trainee operator tool movements. A difference between the expert avatar and the trainee avatar performing an action is calculated, when the trainee operator is performing the action. Guidance is displayed at an augmented reality headset to guide the trainee operator to adapt movements to minimize the calculated difference when the trainee operator is performing the action.
Device, System and Method for Detecting Overheating in Energy Meter Socket There is provided a device, system and method for detecting a hot socket condition at an energy meter due to overheating at an energy meter socket to which the energy meter is connected in which a series of energy meter temperature measurements for each of a plurality of time periods and one or more further energy meter parameters of the energy meter for each of the plurality of time periods are received (S202; S204). A model is fitted (S206) of the energy meter temperature measurements as a function of the one or more further energy meter parameters for each of the time periods. A baseline temperature value for each time period is determined (S208), and a trend in the baseline temperature values is determined (S210). Overheating in the energy meter socket is detected (S212) when the trend is an increasing trend.
G01K 3/10 - Thermometers giving results other than momentary value of temperature giving differences of valuesThermometers giving results other than momentary value of temperature giving differentiated values in respect of time, e.g. reacting only to a quick change of temperature
G01K 7/42 - Circuits effecting compensation of thermal inertiaCircuits for predicting the stationary value of a temperature
G01R 22/06 - Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
14.
SWITCH ARRANGEMENT AND METHOD FOR OPERATING A SWITCH ARRANGEMENT
A switch arrangement (1) for switching a current line (2) between a first terminal (31) and a second terminal (32) is specified herein, wherein the switch arrangement (1) comprises : - a mechanical bypass switch (4) electrically connected between the first terminal (31) and the second terminal (32), - a first semiconductor switch (51) electrically connected in parallel to the mechanical bypass (4) switch, and - a second semiconductor switch (52) electrically connected in parallel to the mechanical bypass (4) switch and the first semiconductor switch (51), wherein - the first semiconductor switch (51) comprises a unipolar semiconductor switching element (511) and the second semiconductor switch (52) comprises a bipolar semiconductor switching (521) element. Further, a method for operating a switch arrangement (1) is specified herein.
A vent valve assembly is provided including a housing having a float chamber. The vent valve assembly further includes a float assembly having a movable float movable along a longitudinal axis and a plate assembly having a first side facing the float assembly. The float includes float guiding structures operatively engaged with plate guiding structures provided on the plate assembly. The guiding structures constrain the float or guide motion of the float along the longitudinal axis.
A differential assembly includes helical pinions and side gears with helical gear faces. In certain cases, the helical pinions and side gears are pre-mounted to a cage and then inserted into a case of the differential assembly as a unit. In certain cases, an electronic locking arrangement is mounted to the differential assembly. The locking arrangement includes a lock plate biased away from a lock gear. Pins extend through a case of the differential assembly to actuate the lock plate upon energization of an electric coil.
F16H 48/11 - Differential gearings with gears having orbital motion with orbital spur gears having intermeshing planet 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
17.
A METHOD AND DEVICE FOR PREDICTION AND VALIDATION OF METER-TRANSFORMER CONNECTIONS IN A POWER GRID
A method is described for prediction and validation of meter-transformer connections in a radial power grid. The method uses location data for the meters and transformers in mapping data, known connections between these meters and transformers, and voltage data representative of voltage as a function of time for the meters in the mapping data. Are also described a device implementing the method and a system comprising a power grid and the device.
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
G01R 19/25 - Arrangements for measuring currents or voltages or for indicating presence or sign thereof using digital measurement techniques
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
A system and method for high voltage oscillation damping and capacitance controlling is provided. The system includes a high-voltage circuit including a first switching component and a second switching component connected in series and a layered bus system in electrical communication with the high-voltage circuit. The layered bus system includes alternating bus bar layers of an electrically insulative material and bus bar layers of a conductive material. The layers of the conductive material each comprise a first material and a second material, the second material having a higher resistivity than the first material. A geometry of the layers of the conductive material equalizes a capacitance across each of the first switching component and the second switching component.
H02M 7/48 - 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
H02M 7/00 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output
H02M 1/44 - Circuits or arrangements for compensating for electromagnetic interference in converters or inverters
H01L 25/07 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in subclass
H01L 25/065 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices not having separate containers the devices being of a type provided for in group
H01L 25/11 - Assemblies consisting of a plurality of individual semiconductor or other solid-state devices all the devices being of a type provided for in a single subclass of subclasses , , , , or , e.g. assemblies of rectifier diodes the devices having separate containers the devices being of a type provided for in subclass
H01G 9/26 - Structural combinations of electrolytic capacitors, rectifiers, detectors, switching devices, light-sensitive or temperature-sensitive devices with each other
A cooling system for an automotive inverter includes a plurality of components laid out in a stacked configuration within a housing, the plurality of components including electrical switching components centrally disposed within the stacked configuration, and a coolant channel running within the stacked configuration below and above the electrical switching components for carrying a cooling fluid around the plurality of electrical switching components to regulate the temperature of the electrical switching components and other components of the plurality of components in the stacked configuration above and below the coolant channel.
An automotive inverter including a grounding spring, a thermal boss to measure a coolant temperature, an AC busbar assembly, a DC busbar assembly, a motor harness configured to seal a cable passing into a housing of the automotive inverter, an injection molded plastic double shot and an alignment insulator are provided. The motor cable harness includes a clip that includes two halves, the two halves coming together to surround the cable; an O-ring positioned around the cable and disposed within the two halves surrounding the cable, wherein the two halves encapsulate the O-ring; and a potting material disposed and surrounding the cable.
An active discharge control device for an automotive inverter includes a slope detector circuit coupled to a voltage sensor that detects a voltage across a DC link capacitor, the slope detector circuit for detecting a negative voltage rate across the DC link capacitor based on output of the voltage sensor; a processor coupled to the slope detector circuit that turns on a light source powering a first photovoltaic gate driver when the negative voltage rate is detected; the first photovoltaic gate driver coupled to a first switching device, wherein the first photovoltaic gate driver generates a first voltage to turn-on the first switching device based on the detected negative voltage rate of the DC link capacitor, and wherein the first switching device is configured to provide a control signal to an active discharge circuit to discharge the DC link capacitor when the first switching device is turned-on.
METHOD, SYSTEM, COMPUTER PROGRAM AND COMPUTER READABLE STORAGE MEDIUM FOR GENERATING A GRAPHICAL USER INTERFACE FOR OPERATING AT LEAST ONE INDUSTRIAL DEVICE
A method for generating a graphical user interface (1) for operating at least one industrial device is specified, comprising - providing a database (2) comprising at least two tables, wherein each table is characteristic for at least one information of the at least one industrial device, - generating the graphical user interface (1) dynamically dependent on the database (2), wherein the generated graphical user interface (1) comprises at least one page with controls, characteristic for the information, with which the at least one industrial device is operated. Further, a system, a computer program and a computer readable storage medium are provided.
Various implementations include an electrical connector for use in a power distribution assembly. The electrical connector comprises an electrically conductive male terminal having a hollow body and at least one contact arm extending from a first side of the body. The body comprises at least one planar wall section and a plurality of curved wall sections. The electrical connector also comprises an internal spring disposed within the hollow body of the male terminal. The internal spring has at least one spring arm that is configured to underlie the at least one contact arm.
A method for power distribution network management is disclosed, comprising: (204) a first machine learning model (400) for detection of EV charging events; obtaining input data comprising net energy consumption data (206) for a given meter (103-i, 104j); identifying (205) EV charging events for said given meter based on the input data by applying said first machine learning model (400); determining (207) that said given meter is used for EV charging; training (209) a second machine learning module (501); and using the trained second model and respective input data for one or more meters determined as being used for EV charging for detecting (210) an EV energy charging profile for each meter determined as being used for EV charging, wherein a profile is representative of the EV charging energy consumption as a function of time; and providing an output signal. A device carrying out the method is also disclosed.
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
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
25.
DETECTING AN OCCUPANCY STATUS OF VEHICLE CHARGING SLOTS
Disclosed herein is a system for detecting occupancy of one or more charging slots. In particular, disclosed is a system for detecting occupancy of one or more parking slots in an environment (the one or more parking slots comprising electric charging infrastructure). The system comprises an electric vehicle charger associated with the one or more parking slots and one or more magnetometers integrated into the electric vehicle charger. The one or more magnetometers are configured to measure a magnetic field within the one or more parking slots. The system also comprises one or more processors configured to: receive data indicative of the magnetic field measured by the one or more magnetometers; determine, based on the measured magnetic field, an occupancy status of a first parking slot of the one or more parking slots; and output a notification indicative of the occupancy status.
B60L 53/30 - Constructional details of charging stations
B60L 53/36 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles by positioning the vehicle
B60L 53/39 - Means for automatic or assisted adjustment of the relative position of charging devices and vehicles specially adapted for charging by inductive energy transfer with position-responsive activation of primary coils
B60L 53/66 - Data transfer between charging stations and vehicles
A valvetrain system may include a rocker arm assembly actuatable between a drive mode defining a drive valve lift profile of an engine valve, and a cylinder deactivation mode defining a recharge valve lift profile of the engine valve. The recharge valve lift profile begins after the drive valve lift profile. The recharge valve lift profile defines a recharge lift amplitude that is less than a. drive lift amplitude. The recharge valve lift profile ends within 15% of an end of the drive valve lift profile. The recharge valve lift profile is defined entirely within the drive valve lift profile so that: when the rocker aim assembly is in the drive mode, movement of the engine valve is dictated by the drive valve lift profile, and when the rocker arm assembly is in the cylinder deactivation mode, movement of the engine valve is dictated by the recharge valve lift profile.
A locking differential transitions between a locking configuration and a non-locking configuration via an axially movable locking arrangement. The locking arrangement includes pins maintaining a constant distance between a locking plate and a magnetizable armature. Energizing an electro-magnet attracts the armature so that the entire locking arrangement is pulled to the locking configuration. A spring biases the locking arrangement back to the non-locking configuration when energization ceases.
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
Disclosed herein is an electromagnetic actuating system. The system comprises first (101) and second (102) polar plates having first (111) and second (112) head portions, a permanent magnetic element (104) disposed such that a first pole of the permanent magnetic element (104) is in contact with the first polar plate (101) and a second pole of the permanent magnetic element (104) is in contact with the second polar plate (102); an armature (103) comprising a contact portion (113) and a pivot point (123); and a biasing member (105) coupled to the armature and configured to exert a torque on the armature to urge the armature from the closed position to the open position, wherein The armature (103) is held in the closed position during normal operation by a magnetic holding force between the first and second head portions and the contact portion (113), and wherein the pivot point (123) of the armature (103) does not contact the first and second polar plates.
A modular camera system for hazardous environments includes a first housing for enclosing a camera assembly, a second housing for enclosing one or more motors for rotating the camera assembly. The second housing is coupled to the first housing. The first housing is flameproof such that an ignition inside the first housing is prevented from propagating outside of the first housing. In some cases, one or more camera assemblies are disposed in the first housing. In some cases, one or more motors are disposed in the second housing. In some cases, the first housing and the second housing are made of lightweight material, such as polymer.
A method of operating a bidirectional DC-to-DC converter is presented. The method includes pre-charging two high voltage capacitors so that a voltage across each of the high voltage capacitors is balanced. Each high voltage capacitor is coupled to an input of one of the two stacked phase shift full bridge converters of the DC-to-DC converter. The pre-charging is performed by closing, by a controller coupled to the DC- to-DC converter, a first bypass static switch, and a second bypass static switch, and operating, by the controller, the full bridge converters at the same time by performing a switching sequence. The bidirectional DC-to-DC converter includes a primary and secondary side connected by at least one transformer. The DC-to-DC converter includes two stack phase shift full bridge converters on the primary side, each one connected to a respective transformer each of which connects to, on the secondary side, a full bridge converter.
H02M 1/36 - Means for starting or stopping converters
H02M 3/28 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
31.
DC-TO-DC CONVERTER WITH TWO CASCADED BUCK CONVERTER
A method for operating a bi-directional DC-to-DC converter is provided. The bi-directional DC-to-DC converter can transfer energy from a high voltage network to a low voltage battery as well as from the low voltage battery to the high voltage network. The bi-directional DC-to-DC converter includes a first power stage including an LLC converter circuit, and a second power stage including two cascaded buck converters. The two cascaded buck converters are controlled by a single PWM in a same duty cycle. The method includes operating the DC-to-DC converter in a buck mode, switching from the buck mode to a boost mode, and operating the DC-to-DC converter in a boost mode. Operating the DC-to-DC converter in the buck mode and in the boost mode includes operating the LLC converter circuit in open loop at a resonant switching frequency and operating the two cascaded buck converters utilizing a same duty cycle.
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
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
H02M 3/00 - Conversion of DC power input into DC power output
A power arrangement (10) comprises a first number N of power circuits (11 to 15), a DC link line (16), and a control circuit (17). Each power circuit of the first number N of power circuits (11 to 15) comprises a circuit breaker (21 to 25) and a converter (31 to 35) which is coupled via the circuit breaker to the DC link line (16). Each circuit breaker (21 to 25) of the first number N of power circuits (11 to 15) and each converter (31 to 35) of the first number N of power circuits (11 to 15) are coupled to the control circuit (17). Moreover, a method for operating a power arrangement (10) is provided.
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 1/04 - Arrangements for preventing response to transient abnormal conditions, e.g. to lightning
33.
FUSE OPERABILITY DETECTION AND REPLACEABILITY IN A POWER ELECTRONIC SYSTEM
A power electronic device and/or system includes a power electronic circuit, a terminal for electrically coupling to the power electronic circuit, a sealed housing, a fuse disposed outside the sealed housing, and a comparator disposed within the sealed housing. The power electronic circuit is disposed within the sealed housing and electrically accessible through the terminal extending out of the sealed housing. The fuse is electrically coupled to the power electronic circuit and the terminal. The comparator coupled to receive a first current or voltage value from a first test point on a first electrical path through the fuse between the terminal and the power electronic circuit and a second current or voltage value from a second test point on a second electrical path through the fuse between the terminal and the power electronic circuit.
H01H 85/02 - Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive Details
34.
PROTECTIVE BRACKET IN POWER ELECTRONIC DEVICES AND SYSTEMS
A protective bracket includes a body having one or more electrical contact apertures for one or more electrical contacts, and for each of the one or more electrical contact apertures, an anti-rotation housing extending from the body around that corresponding electrical contact aperture. The protective bracket is made of non-conductive material. In some cases, the nonconductive material includes vibration-absorbing properties. In some cases, the protective bracket is designed to fit in a power electronic device. In some cases, the power electronic device is a converter, an inverter, an eHeater, or a battery device. In some cases, each of the anti-rotation housing is configured to prevent short-circuiting and electrical leakage between a corresponding electrical contact and an inner portion of the power electronic device and is further configured to prevent rotation of an electrical contact nut secured to a corresponding electrical contact.
A system for sensing current includes a current sensor configured to sense current and having an output configured to output a voltage proportional to the current, a controller having an input with an associated internal resistance, the controller structured to sense voltage at the input, and a passive resistor electrically connected between the output of the current sensor and an input of the controller, the passive resistor configured to match impedances of the output of the current sensor and the input of the controller. The controller is structured to determine the current sensed by the current sensor based on the voltage sensed at the input of the controller, a resistance of the passive resistor, and the internal resistance associated with the input of the controller.
An electronically controlled differential locking system includes a moveable lock plate within a differential housing that is actuated by an armature. The lock plate includes integral legs that extend through the differential housing. The lock plate is rotationally fixed relative to the differential housing by the legs. The legs extend out of the differential housing to engage with the armature, which is operated using an electromagnet. The differential housing is configured to inhibit tilting of the lock plate.
A control system for an automated manual transmission includes a base box with a plurality of shift rails configured to move a respective one of a plurality of gear engagement clutches of the automated manual transmission. Each one of the plurality of shift rails extends along a respective shift rail longitudinal axis. The control system further includes an x-y shifter with a master rail extending along a master rail longitudinal axis. A first actuator is configured to rotate the master rail about the master rail longitudinal axis. A second actuator is configured to translate the master rail along the master rail longitudinal axis. Rotating the master rail about the master rail longitudinal axis causes the master rail to engage with one of the plurality of shift rails. Translating the master rail along the master rail longitudinal axis causes the master rail to move the one engaged shift rail of the plurality of shift rails along its respective shift rail longitudinal axis.
F16H 61/28 - Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
F16H 61/34 - Generation or transmission of movements for final actuating mechanisms comprising two mechanisms, one for the preselection movement, and one for the shifting movement
F16H 63/20 - Multiple final output mechanisms being moved by a single common final actuating mechanism with preselection and subsequent movement of each final output mechanism by movement of the final actuating mechanism in two different ways, e.g. guided by a shift gate
An automated manual transmission includes an input shaft, an input gear mounted on the input shaft, a layshaft, a plurality of intermediate gears permanently fixed for rotation with the layshaft, an output shaft, and a plurality of output gears selectively fixed for rotation with the output shaft. A plurality of gear engagement clutches are configured to selectively fix a respective one of the plurality of output gears for rotation with the output shaft. An inertia brake is configured to selectively slow rotation of the layshaft. A primary clutch selectively couples a motive source to the input shaft. A control system is configured to move one of the plurality of gear engagement clutches into engagement with a respective one of the plurality of output gears. The automated manual transmission further includes at least two power take off unit mounting points. A transmission electronic control unit is configured to control operation of the automated manual transmission.
F16H 3/091 - 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 including a single countershaft
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 method to manage updates to electronic devices of a mesh network in an offline environment is provided. Each electronic device of the mesh network includes a memory, the memory including a proxy device count indicating an active number of devices in the mesh network acting as a proxy device connected to a mobile device. The method includes receiving, by a device of the mesh network, a connection request to the device by the mobile device, and checking, by the device, the proxy device count. Responsive to a determination that the proxy device count is less than a maximum number of proxy devices, the device: connects to the mobile device, increments the proxy device count by one, and communicates a first message to other devices of the mesh network that the device acts as a proxy device to synchronize the proxy device count across the mesh network.
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
40.
POWER CONVERTER AND METHOD FOR OPERATING A POWER CONVERTER
A power converter (10) comprises a switching circuit (11) and a control circuit (12). The switching circuit (11) is configured as a rectifier or an inverter. The control circuit (12) is configured to provide a number of control signals (SC1 to SC6) to the switching circuit (11). The number of control signals (SC1 to SC6) are pulse-width modulated signals with a switching frequency (fC). The control circuit (12) is configured to select the switching frequency (fC) out of a first number N of predefined discrete frequency values. Moreover, a method for operating a power converter is provided.
H02M 7/219 - Conversion of AC power input into DC 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 in a bridge configuration
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 7/5395 - 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 with automatic control of output wave form or frequency by pulse-width modulation
H02M 7/797 - Conversion of AC power input into DC power outputConversion of DC power input into AC power output with 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
H02M 1/12 - Arrangements for reducing harmonics from AC input or output
H02M 1/15 - Arrangements for reducing ripples from DC input or output using active elements
41.
SWITCHABLE ROCKER ARMS ASSEMBLIES AND METHODS THEREOF
A rocker arm assembly includes a first body and a second body operatively coupled to the first body, a latch assembly, and a stop mechanism. The latch assembly is operable in a first latch state and a second latch state. The first latch state is configured to prevent a relative motion between the first body and the second body, and the second latch state is configured to permit a relative motion therebetween. The stop mechanism includes a stop bore and a stop pin disposed in the stop bore.
According to some aspects of the present disclosure, an air management system for a system, such as an electrical vehicle, utilizes various effects and byproducts of certain air- and water- management processes, including water dosing, air flow, heating and cooling, to perform or enhance other air- and water-management processes, thereby reducing consumption of electrical power, reducing number of components needed for the air management system, or otherwise enhance the performance, efficiency, simplicity and/or life of the overall fuel cell system. In some embodiments, the air management systems for fuel cells utilizes an expander or compressor with a one-way clutch attached, engaged or otherwise linked to certain one or more parts of the expander or compressor and adapted to constrain the motion of the one or more parts. In some embodiments, a one-way clutch is mounted on the shaft of a rotor in a Roots expander or compressor to ensure that the rotor rotates in only one direction.
H01M 8/04014 - Heat exchange using gaseous fluidsHeat exchange by combustion of reactants
H01M 8/04089 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants
H01M 8/04111 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants using a compressor turbine assembly
H01M 8/04119 - Arrangements for control of reactant parameters, e.g. pressure or concentration of gaseous reactants with simultaneous supply or evacuation of electrolyteHumidifying or dehumidifying
43.
OPTICALLY SUPPLIED POWER TO A POWER ELECTRONICS SUPPORTING CIRCUIT
A method to provide power to a control supporting circuit includes connecting an optical power converter to the control support circuit, the optical power converter connected to a laser source via a fiber optic cable, controlling, by a controller, a laser source driver to drive a laser source providing a laser and the control supporting circuit; and supplying power to the control supporting circuit by irradiating the optical power converter with the laser via the fiber optic cable. A stray capacitance between the controller and the high voltage supporting circuit is reduced to zero or nearly zero. A method of shutting down a laser source driver providing laser energy to an optical power converter is also provided.
H03K 17/785 - Electronic switching or gating, i.e. not by contact-making and -breaking characterised by the use of specified components by the use, as active elements, of opto-electronic devices, i.e. light-emitting and photoelectric devices electrically- or optically-coupled controlling field-effect transistor switches
H03K 17/18 - Modifications for indicating state of switch
44.
VALVETRAIN SYSTEMS FOR CYLINDER DEACTIVATION WITH RECHARGING AND METHODS THEREOF
A rocker arm assembly operable in a cylinder deactivation mode includes a valve portion, a drive cam portion, and a recharge cam portion. The valve portion is configured to operatively engage with one or more valves of a cylinder. The drive cam portion comprises a switchable lost motion mechanism that is configured to selectively absorb or transfer motion from a drive cam to the valve portion. The recharge cam portion is configured to be coupled to the valve portion.
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 13/00 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
Various implementations of an electrical connector assembly include a male and female terminal assembly. The male terminal assembly includes a male terminal body including at least one contact arm, a spring including at least one spring arm applying an outwardly directed biasing force on the at least one contact arm, and a shifter including an outer frame. The shifter is movable between a pre-set and a full-set position. The female terminal assembly includes a female terminal body dimensioned to receive a portion of the male terminal body and a touch proof post. A portion of the touch proof post is configured to move the shifter from the pre-set position to the full-set position. In the pre-set position, the at least one contact arm is spaced apart from the female terminal body, and in the full-set position, the at least one contact arm is biased against the female terminal body.
H01R 13/10 - Sockets for co-operation with pins or blades
H01R 13/18 - Pins, blades or sockets having separate spring member for producing or increasing contact pressure with the spring member surrounding the socket
H01R 13/193 - Means for increasing contact pressure at the end of engagement of coupling part
H01R 11/05 - Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the type of the connecting locations on the individual element or by the type of the connections between the connecting locations and the conductive members the connecting locations having different types of direct connections
A valve is configured to mount to a case. The valve is configured to enable both passive venting of the case during normal operation and emergency venting of the case during a pressure spike within the case. A passive venting flow path passes through a hydrophobic membrane disposed within the valve. The venting flow path can be expanded by breaking/bursting the membrane during a pressure spike. In certain cases, the membrane has one or more areas of weakness to facilitate breaking. In certain cases, the valve includes a barb (movable or stationary) that facilitates breaking the membrane.
F16K 17/16 - Safety valvesEqualising valves opening on surplus pressure on one sideSafety valvesEqualising valves closing on insufficient pressure on one side with fracturing member with fracturing diaphragm
F16K 17/30 - Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
Techniques for life extension of light source controller circuitry are described. A thermal rollover algorithm is presented to protect a light source controller mounted on an electronics board from overtemperature caused by the light source. The method includes adjusting dimming of LED modules based on temperature of an electronics board on which control circuitry is mounted.
H05B 45/18 - Controlling the intensity of the light using temperature feedback
H05B 45/56 - Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDsCircuit arrangements for operating light-emitting diodes [LED] responsive to LED lifeProtective circuits involving measures to prevent abnormal temperature of the LEDs
In one embodiment, a rocker arm assembly configured for variable valve actuation includes at least one rocker arm (102), a first valve (116) and a second valve (118), a valve bridge (114) configured to be actuated by the at least one rocker arm and including a first opening (304) and a second opening (306) for respectively receiving the first valve and the second valve, and a retention assembly (302, 802) at least partially received by the first opening of the valve bridge. The retention assembly includes a push nut (402, 902) and a ring (404, 904) for supporting the push nut. The retention assembly is configured to retain the first valve when the first valve is inserted into the first opening so as to resist separation of the valve bridge from the first valve.
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 3/24 - Safety means or accessories, not provided for in preceding subgroups of this group
F01L 13/06 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
F01L 3/00 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing facesParts or accessories thereof
49.
METHOD AND DEVICE FOR FAULT DETECTION IN AN AIR CONDITIONING SYSTEM
One aspect concerns a method (200) for detection of abnormal conditioning unit operational cycle patterns indicative of fault events in an air conditioning unit (109) for regulating a temperature in a space, comprising - obtaining (A.1) first data representative of the power consumption of the air conditioning unit as a function of time and second data representative of at least one parameter impacting the air conditioning unit's performance; - combining (B.1) a rule-based model and a learning based model; - applying the combined models for the identification (C) of an abnormal air conditioning unit operational cycle pattern as a function of the first and second data; - in case of identification of an abnormal pattern, determining (C1) whether the identified abnormal cycle pattern is statistically significant, and in the affirmative, determining that a fault event took place and performing an action responsive to said determination.
An actuating mechanism (10) for a power circuit-breaker (1) for opening and closing main contacts (2, 2') of the power circuit-breaker (1) comprises an operating gate (11) comprising a lever element (110) and an operating link (120) fastened to each other, and an auxiliary restoring element (130) that is a part of the operating gate (11) and that is configured for directly mechanically interacting with a restoring interaction element (313) of a tripping mechanism (30) of the power circuit-breaker (1). Furthermore, a power circuit-breaker (1) comprises the actuating mechanism (10).
A cable gland assembly for coupling an electrical cable to an enclosure. The cable gland assembly includes a main body having a flange assembly at one distal end. The flange assembly includes a first flange and a second flange. The second flange is rotatable about a longitudinal axis of the main body.
H02G 3/06 - Joints for connecting lengths of protective tubing to each other or to casings, e.g. to distribution boxEnsuring electrical continuity in the joint
An electric switching relay (1) is disclosed, comprising a contact carrier (5), which is rotatably arranged in a housing or on a frame (2), and a drive piece (6, 6*), which is rotatably arranged therein, too, and which is connected to the contact carrier (5) by means of an elastically twistable connector (7). Powering an electromagnetic drive (8) of the switching relay (1) causes rotation of the drive piece (6, 6*) and in turn of the contact carrier (5) thereby causing closing or opening of switching contacts (3a, 3b, 9a, 9b). The connector (7) is elastically twisted and biased, forcing the contact carrier (5) in a rotational forward direction relative to the drive piece (6, 6*) in a state, in which the switching contacts (3a, 3b, 9a, 9b) are displaced. Moreover, a hybrid circuit breaker (20) is disclosed, the electro-mechanical bypass switch (21) of which is embodied as a switching relay (1) of the proposed kind.
An art fault mitigator includes a sensor structured to detect at least one of a user within vicinity of the power system protection device, a light within the power system protection device and an overcurrent within the power system protection device; a mechanical switching device including a fast mechanical circuit interrupter and an actuator; a power electronics circuit coupled to the mechanical switching device in parallel and including a current commutator structured to commutate current from the fast mechanical circuit interrupter to the power electronics circuit upon turning OFF of the fast mechanical circuit interrupter, a power electronic circuit interrupter structured to allow the current to ride there-through up to a threshold current, and a current limiter structured to limit the current flowing through the power electronics circuit interrupter; and a controller including a trip control structured to control operations of the mechanical switching device and the power electronics circuit.
A first message indicative of a Demand Response (DR) event at a dwelling is received. A first mean of a historical first usage data of a Distributed Energy Device (DER) of the dwelling for an upcoming interval is determined for each cycle for a past predetermined time period. A second mean of a historical second usage data of the DER for a current interval is determined for each cycle for the past predetermined time period. A correlation coefficient is determined from the historical first usage data, the historical second usage data, the first mean, and the second mean. A usage data of the DER in the current interval is determined. A predicted usage data for the upcoming interval is determined based on the usage data in the current interval and the correlation coefficient. Usage of the DER is modified based on the predicted usage data and the first message.
H02J 3/00 - Circuit arrangements for ac mains or ac distribution networks
H02J 3/14 - Circuit arrangements for ac mains or ac distribution networks for adjusting voltage in ac networks by changing a characteristic of the network load by switching loads on to, or off from, network, e.g. progressively balanced loading
55.
DISTRIBUTED ENERGY RESOURCES MANAGEMENT SYSTEM AND METHOD
A system and method for managing a plurality of DERs including determining flexibility constraints for each DER based on respective quality of service (QoS) requirements thereof and receiving an indication of a grid service (GS) event from a utility provider, the indication comprising a net power threshold for the plurality of DERs. The determined flexibility constraints and the net power threshold are combined as optimization constraints for the plurality of DERs, and a feasible power threshold is determined based on the optimization constraints. A DER schedule is determined for the plurality of DERs, wherein the DER schedule comprises the plurality of DERs having a net power consumption at or below the feasible power threshold during the GS event.
A first message is received from a first controller at a second controller based on a power reference. The second controller is configured to control a plurality of distributed energy resources (DERs) in a dwelling. A weather data including an outdoor temperature for the dwelling is received at the second controller. The second controller determines thermal parameters of the dwelling based on an estimated indoor temperature, the outdoor temperature, and energy consumed by a Heating, Ventilation, and Air Conditioning (HVAC) system. Usage of the HVAC system is modified based on the first message and the thermal parameters.
A tap changer-based LLC converter includes a first switch network; a resonant tank including a capacitor, a first inductor, and a second inductor that provides a primary winding; a transformer with a plurality of secondary windings; and a rectifier. The plurality of secondary windings is connected to a tap changer network that select which one or more of the plurality secondary windings connect to the rectifier. The tap changer network and plurality of secondary windings enable the LLC converter to change ratios of windings as needed during operation of the LLC converter. For example, the turns ratio between the primary winding and the secondary windings can be configured from 1:1 to 1:10.
H02M 3/00 - Conversion of DC power input into DC power output
H02M 5/12 - 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 without intermediate conversion into DC by static converters using transformers for conversion of voltage or current amplitude only
H02M 5/293 - 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 without intermediate conversion into DC 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
58.
MEASUREMENT DEVICE AND METHOD FOR GENERATING A FIRST TAP VOLTAGE
A measurement device (10) comprises a first main conductor (11), a first isolating structure (12) which is arranged at the first main conductor (11), a first conductive structure (13) which is arranged at the first isolating structure (12) and which is isolated from the first main conductor (11) by the first isolating structure (12), a first voltage tap (14) which is coupled to the first conductive structure (13), a first capacitor (15) and a reference potential terminal (18). The first capacitor (15) is coupled to the first voltage tap (14) and to the reference potential terminal (18). Moreover, a method for generating a first tap voltage (VS1) is provided.
In embodiment, the switching device (1) comprises a switching unit (2) with electrical contact surfaces (21, 22), a voltage metering circuit system (3), a current sensor (4) and a calculation unit (5). The voltage metering circuit system (3) is connected to a first end (23) and second end (24) of the switching unit (2) and configured to measure a voltage drop (10) across the switching unit (2). The current sensor (4) is connected to the first end (23) or the second end (24) of the switching unit (2) and is configured to measure a current (11). The calculation unit (5) is connected to the voltage metering circuit system (3) and the current sensor (4) and is configured to determine a contact resistance (6) of the contact surfaces (21, 22) of the switching unit (2) by means of the voltage drop (10) and the current (11). The calculation unit (5) is configured to determine a contact wear of the contact surfaces (21, 22) based on the contact resistance (6) of the contact surfaces (21, 22).
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.
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
F02M 37/00 - Apparatus or systems for feeding liquid fuel from storage containers to carburettors or fuel-injection apparatusArrangements for purifying liquid fuel specially adapted for, or arranged on, internal-combustion engines
A switchgear comprising a first contact and a second contact configured to form an electrical conducting path through the switchgear, wherein the second contact can be moved relative to the first contact, a first arc runner electrically connected to the first contact, a second arc runner electrically connected to the second contact when the first contact and the second contact are separated, an arc extinguishing chamber arranged at least partially in a space between the first arc runner and the second arc runner, an arc guiding plate having a first surface and a second surface opposite to the first surface, wherein the arc guiding plate is formed in a single piece from a non-conductive material, a pre-chamber area disposed between the arc extinguishing chamber and the first and second contacts, wherein the pre-chamber area is at least partially defined by the first and second arc runners and the first surface of the arc guiding plate, wherein the first arc runner and the second arc runner are at least partially disposed on the first surface of the arc guiding plate, wherein the first surface of the arc guiding plate comprises a channel having a first end and a second end, wherein the first and second ends of the channel are open.
A battery module includes two or more independently replaceable cell banks coupled together in series, in parallel, or both. Each cell bank includes multiple battery cells (e.g., pouch cells, prismatic cells, etc.) mechanically held together using end caps. The battery cells of each cell bank are electrically coupled together in series, parallel, or both at terminals. The terminals are electrically connected together either via adapters or through direct mating.
H01M 50/211 - Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for pouch cells
H01M 50/503 - Interconnectors for connecting terminals of adjacent batteriesInterconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
A valve train assembly (1) for an internal combustion engine including a rocker arm assembly (10) for actuating a valve. The rocker arm assembly includes a first rocker arm body (30) defining a valve end (12) and a second rocker arm body (40) defining a cam end (14) of the rocker arm assembly configured to be actuated by a cam (8a). The second rocker arm body is rotatable about a main rocker shaft (6) independent of the first rocker arm body. A latch pin assembly (80) is provided for selectively coupling the first rocker arm body and the second rocker arm body together when the first rocker arm body and the second rocker arm body are in a first position. A mechanical stop assembly (100A) is fixed relative to the first rocker arm body and configured to limit a rotation of the first rocker arm body to a predetermined angle when the latch pin assembly is in an unlatched position.
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
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
64.
CYLINDER DEACTIVATION WITH CONSTANT RECHARGE VIA BRAKE ROCKER ARM
A valve train assembly includes a rocker assembly for actuating a brake valve. The rocker assembly includes a rocker arm rotatable about a rocker shaft. An actuator is on a valve end of the rocker arm. The actuator is movable between an extended position and a retracted position by a first predetermined distance. A cam is configured to engage a cam side of the rocker arm. The cam has a recharge lift profile dimensioned to move the valve end of the rocker arm according to valve lift profile that has a maximum height in excess of the first predetermined distance.
F01L 13/06 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
F01L 13/00 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
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
F02D 13/02 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation
F02D 13/04 - Controlling the engine output power by varying inlet or exhaust valve operating characteristics, e.g. timing during engine operation using engine as brake
A valve train assembly for actuating an intake valve. A latch assembly is configured to selectively couple a late intake valve roller to a main rocker body. A lost motion assembly is configured to bias the late intake valve roller to a first position wherein the latch assembly is movable between a latched position and an unlatched position. The lost motion assembly is configured to allow the late intake valve roller to move a predetermined maximum distance when the latch assembly is in the unlatched position. When the latch assembly is in the unlatched position and after the late intake valve roller has moved the predetermined maximum distance, a portion of a late intake valve lift profile of a cam applies additional motion to the late intake valve roller such that the late intake valve roller and the main rocker body are coupled together and move as a unitary body.
A valve train assembly for an internal combustion engine. A rocker arm assembly is provided for actuating a valve. The rocker arm assembly includes a first rocker arm body that is rotatable about a main rocker shaft. A second rocker arm body is rotatable about the main rocker shaft. A lost motion assembly biases the first rocker arm body and the second rocker arm body to a first position. A latch pin assembly is provided for selectively coupling the first rocker arm body and the second rocker arm body together when the first rocker arm body and the second rocker arm body are in the first position. A mechanical stopper assembly is attached to the main rocker shaft and is configured to limit a rotation of the first rocker arm body to a first predetermined angle when the latch pin assembly is in an unlatched position.
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
F01L 13/06 - Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations for braking
67.
ELECTRICAL CONNECTOR SYSTEM WITH A MALE TERMINAL ASSEMBLY HAVING A COMPRESSION LIMITING MEANS
An electrical connector system is disclosed having a male connector assembly and a female connector assembly. The male connector assembly includes a male housing assembly and a male terminal assembly having a male terminal, a spring member with at least one contact arm with a significantly bent configuration and an openable jacket that encloses a substantial extent of the male terminal and the spring member. The male terminal assembly also includes a compression limiting means that prevents an external force from overly deforming the contact arm inward. Preventing excessive depression of the contact arm is desirable because it can damage the contact arm and/or the spring member. The female connector assembly includes a female housing assembly designed to receive a female terminal assembly as well as an extent of the male terminal assembly in a connected state during operation of the electrical connector system.
H01R 13/17 - Pins, blades or sockets having separate spring member for producing or increasing contact pressure the spring member being on the pin
H01R 43/16 - Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
A method of time synchronization in an offline environment is provided. The method includes connecting an electronic device in a mesh network of electronic devices so that the mesh network includes the electronic device and other electronic devices, wherein the electronic devices each includes a clock set to a time and comparing, by the electronic device, the time on the clock to a time range to determine that the time is within a time range indicating an invalid time. Responsive to the determination that the time is within the time range indicating an invalid time, communicating, by the electronic device, a time request message to the other electronic devices in the mesh network, receiving, by the electronic device, a valid time from one of the other electronic devices in the mesh network, and synchronizing, by the electronic device, the clock with the valid time.
H04L 67/12 - Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
H04W 4/80 - Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
A passive fluid cooling system is provided including an immersion cooling tank including a volume of fluid; and a shape memory alloy (SMA) heat engine, the SMA heat engine including a plurality of wheels and an SMA wire coupled to the plurality of wheels. A portion of the SMA wire is in contact with the volume of fluid and transitions from a relaxed state to a tightened state when a temperature of the volume of fluid exceeds a transformation temperature of the SMA wire. The tightening of the SMA wire causes the plurality of wheels to rotate and induce motion in the volume of fluid and causes the volume of fluid to decrease in temperature.
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
H05K 7/20 - Modifications to facilitate cooling, ventilating, or heating
A locking differential transitions between a locking configuration and an non- locking configuration via an axially movable locking arrangement. The locking arrangement includes pins maintaining a constant distance between a locking collar and a positioning collar. The positioning collar is coupled, directly or indirectly, to a ferrous frame for unitary axial motion. Energizing an electro-magnet attracts the frame so that the entire locking arrangement is pulled to the locking configuration. A spring biases the locking arrangement back to the non-locking configuration when energization ceases.
F16H 48/20 - Arrangements for suppressing or influencing the differential action, e.g. locking devices
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
The present disclosure provides a clip for coupling a box mounting bracket to a support structure. The clip comprises a main body and pair of attachment arms extending from opposite ends of the main body. The main body defines an opening for receiving a fastener to attach the clip to the mounting bracket. The pair of attachment arms each define a channel for receiving a flange of the support to hold the clip on the support thereby coupling the mounting bracket to the support when the main body is attached to the mounting bracket by the fastener. The present disclosure further provides a method of securing an electrical junction box to a support comprising coupling a mounting bracket to the junction box, attaching a mounting clip to the mounting bracket, engaging the mounting clip with the support, and securing the mounting clip to the support.
A method for anomaly event detection in an electrical or electromechanical system (102) is described. The method is carried out by a device comprising a processor, and comprises acquiring (201, S501) time series data points representative of a variable of the system; determining (202, S502-S504) whether a difference (Δ(k)) between a data point (X(k)) and a moving average of data points is greater than a first threshold, wherein the first threshold is function of a mean of said difference; as a result of the determination, providing (S505) an input to a leaky integrator (401) configured to count data points for which the difference is greater than the first threshold; determining (S508) whether an output of said integrator is greater than a second threshold and in the affirmative, generating (404, S508) a signal indicative of the detection of an anomaly event. Furthermore, a device implementing the method and a computer- implemented medium with code for carrying out the method are described.
A method for high impedance fault detection in a power system is described. It comprises: obtaining (S1000) time series data representative of harmonic energy of one or more electrical signals in the system; determining (S1001) values over time of an indicator of presence of random components in the harmonic energy; comparing (S1002) each indicator value or values to a first threshold (Tc, Ts, Tr) to determine the presence of random components integrating (S1003) a result of the comparison over time using a leaky integrator (1204); determining (S1004) whether an output of the integrator is above a second threshold (Te, Trms) for a duration greater than a third threshold (Di, Dr) and if the determination is positive, generating a signal (1206, 1505) indicating a high impedance fault event. A device implementing the method and a computer-implemented medium with code for carrying out the method are also described.
The present invention relates to a foldable device (16) for use in a packaging assembly (10), the foldable device (16) comprising at least two parallel foldable paper based cell structure hollow cylindrical elements (18) extending along a first longitudinal axis and aligned along a second transversal axis orthogonal to the said first axis, wherein: - each one of the foldable elements (18) can occupy a deployed state for use or a substantially plane folded state for storage and can be shifted between these two states along a third transversal axis orthogonal to the said first longitudinal axis and the second transversal axis; - when they occupy their deployed state, two adjacent foldable elements (18) are spaced apart from each other along the second axis by a non-zero distance, the foldable device comprising connecting means (30) configured to hold the foldable elements (18) in position relative to each other in their deployed state and in their folded state.
B65D 81/02 - Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents specially adapted to protect contents from mechanical damage
A rocker arm assembly (200) is rotatable about a rocker shaft (130) and includes a first portion and a second portion. The first portion is configured to receive a valve lift profile. The second portion is configured to operatively engage with one or more valves. The rocker arm assembly also includes a lost motion assembly (210) configured to absorb at least a portion of the valve lift profile, and a switchable capsule (230) having an actuator assembly and a plunger (232) provided within a plunger bore. Further, it comprises a plunger securing assembly (235).
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 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
F01L 1/46 - Component parts, details, or accessories, not provided for in preceding subgroups
76.
METHOD, DEVICE AND SYSTEM FOR POWER CABLE MONITORING
The description concerns a method for power cable (101) monitoring carried out by a processing device (102) comprising: - obtaining cable temperature values; - obtaining respective current and voltage values at a first end and at a second end of the cable; - determining (408) an indicator indicative of a concurrent rise of cable temperature and one among current, voltage or a combination of both; - determining (305.1) whether the indicator is greater than a detection threshold (DT) and in the affirmative, generating an alert (306) indicative of a fault situation. Are also described a processing device and a system.
A switching actuator (100, 100') for connecting an electrical device (901, 902) to a single phase (L1, L2, L2) of a multiple-phase electrical power network (1) is specified, the switching actuator comprising a plurality of phase terminals (11, 12, 13), each phase terminal (11, 12, 13) being configured for being connected to a phase (L1, L2, L2) of the multiple-phase electrical power network (1), and a device terminal (20) being configured for being connected to the electrical device (901, 902), wherein the switching actuator (100, 100') has a first switching state and a plurality of second switching states, wherein, in the first switching state, all phase terminals (11, 12, 13) are disconnected from the device terminal (20), wherein, in each of the second switching states, exactly one of the phase terminals (11, 12, 13) is connected to the device terminal (20). Furthermore, power distribution system (1000) comprising a switching actuator (100, 100') and method for operating a switching actuator (100, 100') are specified.
A valve train assembly for an internal combustion engine. The valve train assembly includes a rocker arm assembly for actuating a valve. The rocker arm assembly includes a rocker arm body defining a valve end of the rocker arm assembly. A lost motion assembly is attached to the rocker arm assembly. The lost motion assembly includes a roller. A latch pin assembly is provided for selectively coupling the rocker arm body and the lost motion assembly together. The latch pin assembly has a latched position wherein the rocker arm body and the lost motion assembly are coupled and an unlatched position wherein the rocker arm body and the lost motion assembly are uncoupled. An anti-dislodgement element is configured to limit a rotation of the rocker arm body when the rocker arm body is at a predetermined angle.
In one embodiment, a valve assembly may include a housing, a cage inside the housing, a first spring arranged inside the housing and outside of the cage, and a poppet inside the cage. The cage may have a first orifice as defined by a bottom edge of the cage, which sits on a first supporting structure of the housing. The first spring may have a top end pressing against a top edge of the cage and a bottom end sitting on a second supporting structure. The poppet may have a top end coupled to an armature movable longitudinally, and a bottom end coupled to a hat-shaped valve. The hat-shaped valve may be couped to a second spring under the hat-shaped valve, which is configured to push the hat-shaped valve upwards and cause the hat-shaped valve to be releasably engaged with a seal structure of the poppet.
A rocker arm assembly for selectively transferring motion from a cam to a valve. The rocker arm assembly including a first arm having a rocker bore shaft configured to receive a rocker shaft. The first arm defines a valve end of the rocker arm assembly. A second arm has a rocker bore shaft configured to receive the rocker shaft. The second arm defines a cam end of the rocker arm assembly. A latch pin assembly is provided for selectively coupling the first arm and the second arm together. A valve bridge is positioned proximate the valve end and has a first surface configured to engage one or more valves. A snap cap is configured to couple the valve end of the rocker arm assembly and the valve bridge together. The snap cap includes a pair of slots for allowing the valve bridge to pivot relative to the snap cap.
F01L 1/24 - Adjusting or compensating clearance, i.e. lash adjustment automatically by fluid means, e.g. hydraulically
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 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
F01L 3/00 - Lift valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing facesParts or accessories thereof
An automatic recloser device, and a method for operating the device, is provided for use with a residual current device, wherein the residual current device comprises a switch which can be opened or closed by rotation of a first knob of the residual current device. The automatic recloser device comprises a housing at least partially enclosing a piezoelectric motor and a mechanical linkage arranged between the piezoelectric motor and the first knob. The mechanical linkage is coupled to the piezoelectric motor and comprises a first rigid member configured to engage with the first knob. The piezoelectric motor is configured to apply a force in a first linear direction to move the mechanical linkage and the movement of the mechanical linkage causes a rotation of the first knob in a first rotational direction, thereby closing the switch.
An actuator for a circuit interrupter utilizes a lever to open the separable contacts of each pole assembly. The lever is coupled at a first end to a conductive plate of a Thomson coil arrangement and coupled at a second end to a movable electrode stem. The lever rotates about a pivot, and the pivot is positioned closer to the first end of the lever than the second end. The distance L1 between the first end of the lever and the pivot is shorter than the distance L2 between the pivot and the second end. When the movable electrode stem is in the closed state and the Thomson coil is activated, the conductive plate moves away from the Thomson coil at a velocity v1, and the movable electrode stem separates from the fixed electrode stem at a velocity v2 that is greater than v1 by a factor of L2/L1.
A grip material is disposed at an oil seal region of a shaft of a rotary device (e.g., supercharger, compressor, blower, etc.). An oil seal (e.g., a snout seal) contacts the grip material at a first sealing location. The grip material provides a lower coefficient of friction with an oil seal compared to the shaft itself. In certain examples, the grip material has a patterned surface that defines channels along which lubrication oil flows away from the oil seal. In certain examples, a flap extends from the grip material. The flap flexes to selectively form a second sealing location between the oil seal and the flap.
The present disclosure relates to an improved seal assembly for an air compressor assembly. The improved assembly includes an activated carbon feature configured to eliminate oil leakage from a gear assembly of the compressor assembly into the air flow path of the compressor. This activated carbon feature may take the form of a film of activated carbon present on a ring or plate located between a gear housing of the compressor assembly and a compressor housing of the compressor assembly. The activated carbon feature may be utilized alone or in combination with one or more other seal features.
F04C 18/12 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
F04C 27/00 - Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
An exhaust gas recirculation system for an internal combustion engine that includes an electric motor and an exhaust gas recirculation pump coupled to the electric motor. The exhaust gas recirculation pump includes a housing defining an internal volume, with rotors disposed within the internal volume and connected to the electric motor. A bearing plate is attached to the housing wherein the bearing plate and an outer cover attached to the bearing plate define an oil cavity for lubrication of various parts of a transmission assembly. The housing includes a coolant flow path to reduce heat transfer from the exhaust gas recirculation pump to the electric motor.
F02M 26/29 - Constructional details of the coolers, e.g. pipes, plates, ribs, insulation or materials
F02M 26/34 - Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with compressors, turbines or the like in the recirculation passage
F04C 18/12 - Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
The tripping unit (1) comprises a solenoid (2), a core (3) at least partially surrounded by the solenoid and a permanent magnet (4). At the first end of the core (3), the core is connected to a releasing mechanism (5) configured to break a connection between contacts of the circuit breaker. The permanent magnet (4) is arranged at the second end of the core (3) opposite to the first end. A magnetic direction of the permanent magnet and a magnetic direction of an electromagnet formed by the solenoid and the core are opposite to one another.
A transmission can include a shaft arrangement including an input shaft (40) configured to couple to a prime mover and an output shaft (44) coaxially aligned with the input shaft; a plurality of drive gears supported by the shaft arrangement and including a first drive gear (48), a second drive gear (62) and a third drive gear (66); a countershaft arrangement including a first and second countershaft (52, 54) supporting a plurality of pinion gears (58, 60, 64) intermeshed with the first, second, and third drive gears; a clutch arrangement including a first clutch assembly (76) and a second clutch assembly (86) operable to lock the first, second, and third drive gears to the shaft arrangement to selectively provide four gear ratios between the input and output shafts. In some examples, the first and second clutch assemblies are electromagnetically operated.
F16H 3/097 - 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 with two or more countershafts the input and output shafts being aligned on the same axis
F16H 57/021 - Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
A stator of a locking differential includes an inner lip recessed into the central opening. The inner lip engages with a bearing race to secure the stator to a gear housing of the locking differential. The stator holds an electromagnetic coil. The stator is shaped to avoid electromagnetic flux pinch points that could limit the amount of electromagnetic force applied to a locking arrangement of the locking differential.
F16H 48/34 - Arrangements for suppressing or influencing the differential action, e.g. locking devices using externally-actuatable means using electromagnetic or electric actuators
89.
CIRCUIT INTERRUPTER WITH TAPERED DRIVE SHAFT SECTION
A circuit interrupter includes separable contacts, a drive shaft coupled to the separable contacts and structured to move to open and close the separable contacts, a tapered drive shaft section coupled to the drive shaft and having tapered sides, and a friction assembly. The friction assembly includes a friction device structured to interact with the tapered sides of the tapered drive shaft, an armature coupled to the friction device, and a biasing member structured to bias the friction device and armature toward the tapered drive shaft section.
A supersonic ejector for a hydrogen recirculation system in a fuel cell application. The ejector includes a nozzle having a converging-diverging configuration and delivers a fuel flow from a fuel source at a supersonic velocity into a passageway o the ejector to induce a recycled fuel flow from the fuel cell at a mass flow rate that is 1 to 14 times the mass flow rate of the fuel flow.
F04F 5/18 - Jet pumps, i.e. devices in which fluid flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids for compressing
A rocker arm assembly is rotatable about a rocker shaft and includes a first portion and a second portion. The first portion is configured to receive a valve lift profile. The second portion is configured to operatively engage with one or more valves. The rocker arm assembly also includes an actuator assembly switchable between a first state and a second state, and a plunger assembly provided within a plunger bore and having a plunger axis angled to a longitudinal axis of the actuator 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
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
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.
In one embodiment, a valve assembly includes a valve configured to control fluid communication with a fuel tank, and a solenoid assembly configured to selectively actuate the valve. The solenoid assembly includes an armature having a lower end coupled to the valve and an upper end having a spring seat, and a coil configured to magnetically actuate the armature based on energization of the coil. The armature, when actuated by the coil, is configured to open the valve by traveling in a direction toward a surface opposing the valve. The solenoid assembly also includes an armature spring disposed between the spring seat of the armature and the surface opposing the valve. The armature spring is configured to exert a force against the armature when the armature is actuated by the coil and traveling in the direction toward the surface opposing the valve.
A disconnect unit allows one axle of a vehicle to be disconnected from the drivetrain. The disconnect unit is electronically controlled via an electromagnet. Certain types of disconnect units can be packaged within the gear reduction unit. Certain types of disconnect units include a stator holding an electromagnet, a support link rotationally fixed to an intermediate shaft, and a shiftable lock plate rotationally fixed to the support link. The lock plate shifts in and out of engagement with a gear output based on the actuation state of the electromagnet.
F16D 11/14 - Clutches in which the members have interengaging parts with clutching members movable only axially
F16D 27/118 - Magnetically-actuated clutchesControl or electric circuits therefor with an electromagnet not rotating with a clutching member, i.e. without collecting rings with interengaging jaws or gear teeth
A reduction drive unit can include a differential arrangement including a differential case housing a plurality of pinion gears intermeshed with a pair of side gears; and a compound planetary gear arrangement including a sun gear, a fixed ring gear, a plurality of planet gears. The planet gears are supported by the differential case or an earner coupled to the differential case. A lubrication system forces lubrication towards the planetary gear arrangement. The lubrication system may utilize a splash lubrication arrangement and/or a forced lubrication arrangement within the differential case.
The indicator mechanism (1) for a switch (100) comprises a plunger (2), a fixed plate (3), an indicator contact (4) and a leaf spring (5). At a first end of the leaf spring (4), the leaf spring (5) is arranged in a recess ( 20) of the plunger (2). At a pivot region (54) of the leaf spring 5 arranged between the first end of the leaf spring (53) and a second end of the leaf spring (54), a slotted bush (6) is attached to the leaf spring (5). The indicator contact 4 is arranged in a region between the fixed plate (3) and the plunger (2). In a first state (11) of the indicator mechanism (1) the leaf spring (5) is at a first position, closing the indicator contact (4). In a second state (12) of the indicator mechanism (11) the leaf spring (5) is pivoted around the pivot region (54) with respect to the first position, thereby opening the indicator contact (4).
H01H 71/46 - Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
H01H 73/12 - Means for indicating condition of the switch
H01H 13/52 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member the contact returning to its original state immediately upon removal of operating force, e.g. bell push switch
Described herein is an electromechanical bypass switch (100, 200) for use in a hybrid circuit breaker, a hybrid circuit breaker comprising the switch, and a method of operating the switch. The electromechanical bypass switch comprises a housing (120, 220) with a top portion (122, 222) and a bottom portion (124, 224). The top portion and the bottom portion of the housing are hermetically sealed together. The switch also comprises a contact system (130, 230) arranged within the housing with a fixed contact (134, 234) disposed in the bottom portion of the housing and a moveable contact. The switch also comprises an electromagnetic actuator arranged within the housing and configured to open and close a current conduction path (110, 210) through the switch by actuating the moveable contact. The switch may optionally also comprise a resilient member configured to urge the moveable contact into a first position. When a current is applied to a voice coil (142) of the electromagnetic actuator disposed in the top portion of the housing, the electromagnetic actuator is configured to cause the moveable contact to move from the first position to a second position. In one of the first and second positions, the moveable contact is electrically connected to the fixed contact to close the current conduction path. In the other of the first and second positions, the moveable contact is electrically separate from the fixed contact to open the current conduction path.
A valve assembly may include a Fill Limit Vent Valve (FLVV) for preventing overfilling of the fuel tank during a refueling event, the FLVV comprising a first vapor path and a first float for selectively opening and closing the first vapor path based on fuel level in the fuel tank. The valve assembly may include a Grade Vent Valve (GVV) for releasing pressure in the fuel tank, wherein the GVV has a housing with an interface end connected to the FLVV and a ventilation end that comprises a ball-type valve for opening and closing a second vapor path of the GVV. The valve assembly may include a canister enveloping at least the ventilation end of the housing of the GVV, wherein the ventilation end of the housing of the GVV comprises (a) an orifice coupled to the first vapor path of the FLVV, and (b) a head cage for confining movements of a ball of the ball-type valve. The head cage is defined by at least a plurality of walls comprising: a first curved wall with a first end terminating at the orifice for the first vapor path of the FLVV and a second end terminating at a first terminating location proximate to a side boundary of the ventilation end of the housing; and a second curved wall with a third end terminating at the orifice for the first vapor path of the FLVV and a fourth end terminating at a second terminating location proximate to the side boundary of the ventilation end of the housing.
In one embodiment, a valve assembly for a liquid tank system includes a valve house and a cover. The valve assembly includes an orifice frame structure defining an orifice in a first shape therethrough, and a ribbon having a movable end. The ribbon is configured to seal or unseal the orifice along a first axis of the orifice when the movable end of the ribbon moves with the float. The orifice is asymmetrical across a second axis perpendicular to the first axis and passing through a middle point of the orifice. A first area of the orifice on a first side of the second axis is smaller than a second area of the orifice on the second side of the second axis. The first area of the orifice is configured to be unsealed earlier than the second area of the orifice by the ribbon.
A switch circuit (11) comprises a first and a second switch unit (20, 30), a first circuit output (12) and a controller (13). The first switch unit (20) comprises a first mechanical switch (21), a first semiconductor switch (22), a first input (23) and a first output (24). The second switch unit (30) comprises a second mechanical switch (31), a second semiconductor switch (32), a second input (33) and a second output (34). The controller (13) has a control output (14) coupled to control terminals of the first and the second mechanical switch (21, 31) and of the first and the second semiconductor switch (22, 32). The first mechanical switch (21) and the first semiconductor switch (22) are coupled to each other in a parallel circuit. The second mechanical switch (31) and the second semiconductor switch (32) are coupled to each other in a parallel circuit.
patents
