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Patent Searching and Data


Matches 201 - 250 out of 12,259

Document Document Title
WO/2014/131822A1
A safety switching apparatus for the connection and failsafe disconnection of a technical system (12) has a first input (38) for receiving a clock signal (34), which is supplied via a feed line, at a defined clock frequency fT. The safet...  
WO/2014/126130A1
At least one inductance component (20) is provided in the vicinity of a latching relay (RLY1). When switching the latching relay from a reset state to a set state, or the other way around, a coil of the latching relay is energized substa...  
WO/2014/111439A1
The invention relates to a safety switching device (1) for controlling a technical system (10) in an automated manner, comprising a housing (27), at least one input (29a) for receiving an input signal, at least one processing unit (28a, ...  
WO/2014/109746A1
A relay control circuit for use with a relay having a coil voltage input. The relay control circuit includes a first input to receive a first voltage capable of energizing the relay, a second input to receive a second voltage, less than ...  
WO/2014/109745A2
A relay control circuit for use with a relay having a coil voltage input. The relay control circuit includes a first input to receive a first voltage capable of energizing the relay from a de-energized state, a second input to receive a ...  
WO/2013/077990A9
A method of increasing speed of an electro-mechanical relay provides an electromechanical relay having a coil and at least one contact. A first resistor and a second resistor are each in series with the coil, with the second resistor bei...  
WO/2014/097509A1
Provided are a power supply relay control device capable of properly preventing a relay contact failure from occurring and an electric power steering device. When a conduction abnormality occurs between relay contacts, a power supply rel...  
WO/2014/095114A1
The invention relates to an electromagnetic contactor, comprising fixed and movable contacts, which are fixed on a contact carrier, which is coupled to a movable armature, which is arranged opposite a yoke, wherein an armature restoring ...  
WO/2014/097566A1
A blinking device is provided with a plurality of power-supply terminals, a plurality of load terminals, a plurality of contact switches, a control circuit, a plurality of mounting substrates, and a box-shaped case for accommodating all ...  
WO/2014/094830A1
Regulated power supply assembly for use in electrical switch A regulated power supply assembly (106) suitable for use in an electrical switch (100) is disclosed. The regulated power supply assembly regulates an excitation current provide...  
WO/2014/096410A2
Apparatus for operating an electromagnetic switchgear drive with a pull‑in coil, having a measurement transducer for producing a signal magnitude that corresponds to a magnetic flux of the pull‑in coil, and a regulator for adjusting ...  
WO/2014/083770A1
Provided is an electromagnetic switch whereby it is possible to easily detect whether a movable contact element is operating properly with respect to a pair of fixed contact elements. An electromagnetic switch comprises: a pair of fixed ...  
WO/2014/067903A1
The invention relates to an actuating circuit (10) for switchgear having: a switch element (S) for controlling the power supply to a coil (12) of an electromagnetic actuator of the switchgear connected in series to the switch element; a ...  
WO/2014/067174A1
A low-voltage AC/DC control and protection for electrical appliance, comprising: a closing flat coil (A) , a metal disk (B), an opening flat coil (E), a shaft (G), a magnetic enhancement board (K), a buffer (X), a control circuit (F), a ...  
WO/2014/063955A1
A subject matter of the application relates to a method for determining fault states in a half-bridge circuit (HBS) having at least a first semiconductor switch (HS1) and a second semiconductor switch (HS2), wherein the first semiconduct...  
WO/2014/060144A1
The invention relates to a current control circuit (40) for the control bobbin of a contactor, which comprises two connections (21, 22) for connecting to an energy accumulator. Said current control circuit comprises a integrated circuit ...  
WO/2014/060184A1
The invention relates to a control circuit (30) for at least two contactors, which comprises at least one first outlet (15) and at least two second outlets (16) which enable said control circuit (30) to be connected to the connections of...  
WO/2014/060183A1
The invention relates to a control circuit (30) for at least one contactor, comprising a first and a second connection (11, 12). Said control circuit (30) also comprises a first and second outlet (15,16) which enables the control circuit...  
WO/2014/060145A1
The invention provides a drive circuit (40) for n contactors, which circuit comprises a first input (11) and a second input (12) as well as n first connections (14) and n second connections (15), wherein a first connection (14) and a sec...  
WO/2014/057011A1
A method for operating a polarity reversal relay (1) for actuating inductive loads (2) is described. The polarity reversal relay (1) has a first and a second switching contact group (3, 4), for this purpose. First, it is ascertained whet...  
WO/2014/056042A1
An interface apparatus is disclosed for interfacing a testing device to a plurality of safety switches at a switch location, wherein each safety switch is connected to an electrical load circuit including at least an active line and a ne...  
WO/2014/016442A9
The invention relates to a relay and a method for controlling relays in accordance with a schedule for apparatus control, which enables the useful life of the relay, or the working capacity thereof, to be extended over a useful life dete...  
WO/2013/113485A3
The invention relates to the control of an inductive load by pulse width modulation from a periodic setpoint control signal having a given setpoint duty cycle. The setpoint control signal is, at each period of said setpoint control signa...  
WO/2014/048747A1
The invention relates to an actuating device (18) for a vacuum switching tube (12), comprising a connecting element (20), which can be connected to an electric contact (16) of the vacuum switching tube (12), an electromagnetic actuating ...  
WO/2014/050060A1
In the present invention, a relay is prevented from turning off when the voltage of a coil is decreased. A relay switch (103) has a coil (201) such that a predetermined voltage is imposed on one end thereof and the other end is grounded ...  
WO/2014/047057A1
A hybrid contact comprising a metallic contact in parallel with a pair of power transistors detects a failure in the ON state, corrects the failure if possible, and notifies a user via an alarm of the failure.  
WO/2014/044317A1
The present invention provides a regulated power supply assembly and a method for operating the same suitable for use in an electrical switch. The electrical switch includes an electromagnetic assembly configured to operate said electric...  
WO/2014/046712A1
A method and apparatus that monitors and controls the operation of an electricity meter and prevents a failure of and/or damage to the electricity meter. A potential failure condition of an electrical connection between an electricity me...  
WO/2014/046779A2
A relay assembly configured for use in a vehicle electrical distribution center. The relay assembly includes a circuit board, a first and second relay disposed the circuit board and a plurality of terminals electrically coupled to the fi...  
WO/2014/041883A1
A relay control unit (1a) is provided with a control circuit (2a) for calculating external information such as the temperature of a relay (6) detected via a temperature detection circuit (11), the on/off state of another adjacent relay, ...  
WO/2014/041796A1
In the present invention, the connection between an external power supply and a unit for detecting welding of a relay is disestablished at least when a short circuit is detected, thereby preventing the short circuit from being falsely de...  
WO/2014/041568A1
Safe disconnection relay comprising a box-shaped outer casing (11); at least one pair of electrical terminals (13 -13") exiting from said box-shaped casing (1 1) for connecting the relay to the circuit in which it must operate; a line (1...  
WO/2014/033029A1
The invention relates to a circuit arrangement for actuating a bistable relay. A relay coil (1, 1a, 1b) of the bistable relay is arranged in a series circuit with a capacitor (2). The series circuit is connected to a supply voltage (V+) ...  
WO/2014/034264A1
Although an FET (2) turns off when an external switch (11) is turned off, and an FET (1) of a drive circuit unit (7) turns on as the gate thereof is biased, no electricity from a power source (B) is supplied to a load (3) because the ext...  
WO/2014/034278A1
A deposition detection circuit (3) which is disposed in a deposition detection device (1) comprises a determination circuit (4) which, when a drive signal is off, determines whether deposition is present in a movable contact (9), on the ...  
WO/2014/019973A1
The invention relates to an apparatus (10; 20, 22, 24, 26, 28, 32, 34) for controlling the electromagnetic drive (12; 26 28) of a switching device, particularly a contactor, that has a closing coil (28) and a holding coil (26) that is ph...  
WO/2014/019798A1
A coil actuator for an electric switching device which can be actuated during its operation from an open position to a closed position so as to allow a current flowing therethrough and from the closed position to the open position so as ...  
WO/2014/020262A1
A power supply circuit (13A) for a piece of electronic equipment (12A) that can be affected by overheating or a fire, comprising a bistable switch (78) switchable between a first state in which the input terminal (17A) is connected to th...  
WO/2014/015908A1
The invention relates to an electrical switching device (1) comprising a processing unit (2) and a mechanical switching element (3) and to a method for driving the mechanical switching element (3) of the electrical switching device (1). ...  
WO/2014/016442A1
The invention relates to a relay and a method for controlling relays in accordance with a schedule for apparatus control, which enables the useful life of the relay, or the working capacity thereof, to be extended over a useful life dete...  
WO/2014/000625A1
Disclosed is an auxiliary mesh type starter, comprising a motor (1), an electromagnetic switch (3) connected with the motor and relays (12) connected with the electromagnetic switch, wherein the electromagnetic switch comprises a holding...  
WO/2013/189527A1
The invention relates to a switching arrangement (10) having an electromagnetic relay (11) which comprises a relay coil (11a), relay contacts (11c) and a relay armature (11b) operatively connected to the relay contacts (11c), and which i...  
WO/2013/189517A1
The invention relates to a switching arrangement (20, 40) having an electromagnetic relay (21, 41) that comprises a relay coil (21a, 41a) and switching contacts (21c, 41c), with a voltage source (43) connected to the relay coil (21a, 41a...  
WO/2013/185160A1
The invention relates to a method for checking a photovoltaic inverter separation point (14) between the photovoltaic inverter (1) and a power supply network (7), comprising multiple phases (L1, L2, L3) and a neutral conductor (N), where...  
WO/2013/186854A1
The present invention addresses the problem of miniaturizing a current sensor having a switch function. The current sensor is provided with: a magnetic circuit for concentrating magnetic flux generated from an electric path onto a magnet...  
WO/2013/180018A1
[Problem] To inhibit freezing of a pre-charge relay without wasteful consumption of electric power. [Solution] A power supply device is provided with: a battery (3) for supplying electric power to a load (2) having a capacitor (1) connec...  
WO/2013/128035A3
The invention relates to an emergency power supply circuit for an emergency lowering unit (100) for an electromotive adjusting drive (7, 8) of a piece of furniture (1). The at least one electromotive adjusting drive (7, 8) is electricall...  
WO/2013/171036A1
The invention relates to a method for controlling an electric motor, especially for activating actuators in a motor vehicle, wherein a momentary motor voltage is compared to a voltage limit before said voltage is applied to the electric ...  
WO/2013/160217A1
The invention relates to an actuator circuit for control of a circuit breaker, characterized in that it comprises two branches in parallel between two terminals (5, 6) and in that the first branch comprises only a first coil (1), the sec...  
WO/2011/153427A3
A system for the detection of welded contacts in a circuit of a line converter system has a plurality of inverter switches ( S1-S4), a plurality of utility switches (Κ1-Κ4) in which a pair of utility switches is connected in series thr...  

Matches 201 - 250 out of 12,259