Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 1 - 50 out of 12,420

Document Document Title
WO/2021/084637A1
Provided are: a solenoid device having a configuration in which a fixation wall (15) and a support wall (14) having a protrusion (14a) are disposed on a flange section (102) of a bobbin (10), a surge-absorbing element (9) is held inside ...  
WO/2021/075295A1
A coil drive device (100) energizes an operation coil (110) in order to close an electromagnetic contactor. A rectifier (20) outputs an input voltage (Vin) to a power line (PL), said input voltage being obtained by means of full-wave rec...  
WO/2021/068834A1
Disclosed is an adaptive synchronization control method for a parallel three-phase alternating-current contactor. The method comprises the following steps: step S1: testing a coil voltage of each contactor, and determining whether the po...  
WO/2021/054007A1
In the present invention, attachment of a power relay is detected in cases where the power relay cannot be turned off and power supplied to a microcomputer has been successfully shut off. An electronic control device 100, which is one as...  
WO/2021/053988A1
Provided is a relay and the like that easily prevents the occurrence of defects. A relay RS comprises a fixed contact 41, a movable contact 42, a return member 42b of the movable contact 42, and a case 46 for covering the fixed contact...  
WO/2021/050459A1
A power contact fault clearing device includes a first pair of terminals adapted to be connected across a first set of switchable contacts, and a second pair of terminals adapted to be connected across a second set of switchable contacts...  
WO/2021/050461A1
A power contact health assessor system includes a pair of terminals adapted to be connected to a set of switchable contact electrodes of a power contact and a contact separation detector configured to determine a time of separation of th...  
WO/2021/050460A1
A power contact EoL predictor includes a pair of terminals adapted to be connected to a set of switchable contact electrodes of a power contact; a power switching circuit configured to trigger activation of the contact electrodes based o...  
WO/2021/050455A1
Device, circuit, system, and method for contact sequencing are discussed. An electrical circuit includes a first pair of terminals adapted to be connected across a first set of switchable contacts, and a second pair of terminals adapted ...  
WO/2021/043761A1
The invention relates to a relay module (100) comprising a control input (102) for combined control and power supply of the relay module (100) with alternating voltage. A fixed voltage controller (114) of the relay module (100) generates...  
WO/2021/045961A1
A fault protection system for providing protection from fault current for components and devices on a lateral line proximate to a distribution transformer in a power distribution network. The system includes a single-phase recloser havin...  
WO/2021/039482A1
This protective device 120 is provided with: a relay 130 having a contact 130 that opens and closes the electrical current path of a cell 60; and a control device 145 for controlling the relay 130. The control device 145 executes reducti...  
WO/2021/014619A1
This slow-release relay circuit (10) comprises a power storage circuit (20) that is connected in parallel with a relay (RY1) comprising a coil, a discharge circuit (30) that discharges the charge of the power storage circuit (20), and a ...  
WO/2021/008790A1
The invention relates to a device that is provided with an individual emergency switch-off function and comprises an energy source for providing electric energy, a load which can be supplied with energy via the energy source, a first swi...  
WO/2021/003148A1
In some embodiments, a controller is configured to be operably coupled to a series of safety relays. Each safety relay is coupled to a machine from a plurality of machines. The controller is configured to receive a signal indicative of a...  
WO/2020/254198A1
A switch disconnector with current detection is provided. The disconnector comprises a switch, the switch comprising: a first, fixed, contact terminal of a first conductor, a second, fixed, contact terminal of a second conductor, and a m...  
WO/2020/252561A1
The present disclosure provides a cascode switching element comprising two or more electronic switching devices connected in series. The devices having an input terminal, an output terminal, and a control terminal that operates between a...  
WO/2020/248357A1
Provided in the present invention is a system for opening and closing a drive contactor in a power supply circuit, comprising a mains input end, a master control gateway, a contactor, an electrical appliance, and a switch, the master con...  
WO/2020/239471A1
The invention relates to a method (200) for predicting the failure of an elementary relay (100) having a switch (101) for switching a load contact (102) of a load circuit (103) and an excitation coil (104) for actuating (105) the switch ...  
WO/2020/230547A1
This drive control device for a solenoid saves energy and reduces thermal risk due to temperature rise. The drive control device 100 is configured for drive control of a solenoid which has a solenoid main body 22A that attracts a movab...  
WO/2020/229128A1
The invention relates to a switch assembly comprising a switch (17) and a drive system for the switch (17), said drive system (2) containing: - a motor (12) for driving the switch (17); - a controller (1) with a power section (11) for su...  
WO/2020/216825A1
A protected switch (1) comprises first (10) and second (11) electromechanical relays with guided contacts, each including an electromagnet (101, 111) and electrical contacts (102, 103, 104, 105, 112, 113, 114). A first contact (105) of t...  
WO/2020/218091A1
Provided is a circuit structure 10, which includes: a main relay 14 electrically connected between a load 16 and a battery; a precharge circuit 30 connected in parallel with the main relay 14; and a heat transfer member 44. The precharge...  
WO/2020/208074A1
The present invention relates to a method for closing the contacts of an electrical switching device during a switch-on process, the electrical switching device having an electromechanical drive with a coil and with an armature, which ca...  
WO/2020/194328A1
The present subject matter provides an auto diagnostic security alarm system in a saddle type vehicle (100). The present subject matter specifically provides a system which prevent an unauthorized user access of the vehicle. It further p...  
WO/2020/196465A1
This protection system includes a first positive potential terminal, a second positive potential terminal, a first relay which is opened or closed by a first contacting portion and a second contacting portion coming into contact with or ...  
WO/2020/182115A1
A relay device and a drive circuit therefor, wherein the drive circuit comprises a relay switch circuit (10) and a temperature feedback circuit (20). The relay switch circuit has a relay drive circuit, and the temperature feedback circui...  
WO/2020/172924A1
A control method and a control device (100). The control device (100) is connected to an external load (200), and comprises: a power module (120); a microcontroller unit (110) for receiving an input command, a power control output termin...  
WO/2020/166435A1
This driving circuit (101), which drives an inductive load (41) having a coil (41a), comprises: a first switch (SW1) that switches an electrification state between a power source (Vcc) and a first end among the first end and a second end...  
WO/2020/165763A1
The present invention relates to a power supply and control circuit (20) of a coil or of a solenoid that can receive in input alternating or direct current with variable voltage and possibly also frequency, said circuit comprising a mult...  
WO/2020/158577A1
A relay device 1 is provided with a coil section 10, a fixed contact 21, a spring 31, a movable contact 33, and a drive circuit 50. The drive circuit 50 performs control such that when the fixed contact 21 and the movable contact 33, whi...  
WO/2020/158576A1
This relay device 1 comprises a coil section 10, a fixed contact 21, a moving contact 33, and a spring 31. The coil section 10 generates an electromagnetic force that moves the moving contact 33 toward the fixed contact 21 by energizatio...  
WO/2020/151178A1
Provided are a relay drive circuit and an air conditioner, wherein the relay drive circuit comprises: a drive control module for outputting a pulse drive signal; a switch module, wherein a controlled end of the switch module is connected...  
WO/2020/137260A1
This relay state prediction device (10) comprises: a voltage value acquisition part (22) that, moment by moment, measures a detected voltage that has been detected from the ends of a shunt resistor; a voltage value difference calculation...  
WO/2020/130859A1
Intrinsically-safe electronic safety relay consists of an electronic relay (EP) connected through galvanic signals isolation system (UIGS) with two microcontrollers (MK1) and (MK2), which are connected with at least one serial communicat...  
WO/2020/129518A1
The relay state determination device (10) according to the present invention is provided with: a voltage value acquisition unit (22) that momently measures detected voltage detected from both ends of a shunt resistor (9); a voltage value...  
WO/2020/121768A1
Provided is a relay state determination device which is capable of determining, with good precision, whether a relay has deteriorated. The relay state determination device (10) comprises a voltage value acquisition unit (22), a contact p...  
WO/2020/114247A1
Disclosed in the present invention is a control circuit for a contactor, comprising a voltage detection circuit and a duty cycle control circuit. The voltage detection circuit first reduces a bus voltage to an appropriate range by means ...  
WO/2020/098799A1
A relay holding circuit and a battery management system. The relay holding circuit comprises a high voltage isolated power supply (101), a power supply driving module (102), and a microprocessor of a battery management system. The high v...  
WO/2020/099100A1
The invention relates to a control circuit (200) for controlling a bistable relay (102), the bistable relay (102) having a first switching state and a second switching state. The control circuit (200) can be powered by a supply voltage a...  
WO/2020/090923A1
A semiconductor device including a battery-side first terminal, an inverter circuit-side second terminal, and a transistor. The semiconductor device is configured so as to permit the supply of current from the first terminal to the secon...  
WO/2020/079998A1
Provided is an electromagnetic switching control device in which a control unit is able to predict a near-future value of an operation coil current and perform control so that the current does not fall short of a holding current threshol...  
WO/2020/070516A1
A proximity sensor assembly (10). The assembly (10) comprises an electronic circuit (12). The electronic circuit (12) comprises a first terminal (14) and a second terminal (16). Respective first and second pathways (18, 20) are provided ...  
WO/2020/070234A1
The invention relates to a method for testing a disconnection point (12) of a photovoltaic inverter (1) and to a photovoltaic inverter (1) of this type. According to the invention, in a testing mode, an auxiliary voltage (U_Lx) is applie...  
WO/2020/063871A1
Disclosed are a driving circuit, method and apparatus for a relay, a storage medium and an electronic apparatus. The driving circuit comprises a first voltage control circuit (11), and an output end of the first voltage control circuit (...  
WO/2020/061689A1
Disclosed is a system for remotely controlling a starter of a vehicle. The system comprises a wireless-enabled reporting device having a radiofrequency transceiver for communicating with a remote computing device executing an application...  
WO/2020/053764A1
A circuit for controlling an input current, the circuit includes a first input port configured to receive the input current. A current detector detects an input current value of the input current and generates a control signal indicative...  
WO/2020/052947A1
The invention relates to an electromagnetic relay module (100) comprising a first circuit branch (119) having a first capacitor (115) and a first relay (103) connected in series with the first capacitor (115), a second circuit branch (12...  
WO/2020/052945A1
The invention relates to an electromagnetic relay (100), wherein the relay (100) comprises a yoke (601) and an armature (602) which is swivellably arranged on the yoke (601) and having has an open position and a contact position in relat...  
WO/2020/042473A1
Disclosed in the present application are a driver circuit, a switch control circuit, and a cooking appliance. The driver circuit comprises a driving signal input end, a high voltage end, a low voltage end, and at least two switch branche...  

Matches 1 - 50 out of 12,420