Abstract: A pyrotechnic circuit breaker comprising: a casing, at least two connection terminals, an internal electrical circuit connecting the two connection terminals and formed for example by an electrical conductor, an opening member, which is movable and arranged to open a part to be opened of the internal electrical circuit when moving between an initial position and a final position, so as to form at least two discrete portions of conductor after opening, a pyrotechnic actuator arranged to move the opening member from the initial position to the final position, an inner chamber defined by an internal wall formed in the casing, and receiving the part to be opened, an insulating grease, arranged in the inner chamber, wherein the insulating grease is arranged on or covers at least two predetermined parts of the internal wall.

Abstract: An arc quenching device for a three-phase electrical switchgear. The device includes a first busbar, a second busbar and a third busbar, each of a respective phase of the three-phase switchgear. The device also includes at least one piston of an electrically conductive material and having a tapered shape, tapering towards its front end. The device also includes only one pyrotechnical actuator arranged to, when the pyrotechnical actuator is fired, axially move each of the at least one piston until all of the first, second and third busbars are short-circuited to each other via the at least one piston.

Abstract: A cartridge replacement aid and a fire suppression system for incorporating the same are provided. The cartridge replacement aid helps to ensure that a disposable cartridge is removed and replaced after actuation. The cartridge replacement aid includes an aperture configured to allow a cartridge to pass through the cartridge replacement aid and connect to a valve, and a protrusion configured to perpendicularly extend from the cartridge replacement aid. The protrusion of the cartridge replacement aid, in certain instances, is configured to break when the fire suppression system is actuated. The protrusion of the cartridge replacement aid, in certain instances, is configured to prevent the cam of the fire suppression system from being reset without removing the cartridge replacement aid.

Abstract: Electric circuit breaker device that can be downsized by reducing the distance the moving body moves, including a housing; a cut part placed inside the housing; and a power source placed on the housing, further including a moving body having a first arc-extinguishing space into which the cut part is inserted and housed, and which is filled with an arc-extinguishing material, and a moving body housing part that allows the moving body to move between the first end part and a second end part opposite to the first end part, which is configured to cut the cut part while moving toward the power source P, and the housing includes an expanded arc-extinguishing space positioned so as to face an end part of a separable piece of the cut part when the moving body has moved and stopped, and the expanded arc-extinguishing space being filled with an arc-extinguishing material.

Abstract: A switch includes: an actuator; a conductor having a length extending between two ends and a width extending between two sides, the conductor having a connection contact at either end and at least one switching region disposed between the connection contacts, each switching region extending between two sides of the conductor and including: a hole through the conductor, at least one shearable portion bounded by the hole and a nearest of the two sides of the conductor, and an insert conductor inserted into the hole and in electrical contact with the conductor, via the hole, such that a current conduction path is defined along the length of the conductor via the insert conductor and the at least one shearable portion of each switching region; and a moveable member aligned with the at least one switching region and arranged to move in a first direction.

Abstract: A pyrotechnic switch having a casing, at least one electrical conductor passing through the casing, a piston housed in the casing, the piston-casing assembly being designed to cut the electrical conductor at least at three separate locations, so as to form at least two free conductive strands, separate from the rest of the electrical conductor, a pyrotechnic actuator designed to force the piston to cut the electrical conductor, wherein the piston-casing assembly is designed to cut the electrical conductor such that each free strand has at least one base portion with either no or two folded wings arranged on either side of the base portion, and to create at least one free strand with two folded wings.

Abstract: An electrical contactor including a contactor assembly including a housing, an electromagnet coil and an electrically conductive core disposed within the housing, the core being movable relative to the coil under influence of an electromagnetic force produced by the coil, and an electrically conductive bridge connected to a lower end of the core and movable with the core, an interrupter assembly including a base located below the bridge and having a trench formed in a top surface thereof, an input bus bar and an output bus bar disposed on the base on opposing sides of the trench, and a pyrotechnic interrupter disposed within the trench. The pyrotechnic interrupter may include a plunger and pyrotechnic ignitor disposed below the plunger, wherein, when the pyrotechnic ignitor is actuated, the plunger forcibly drives the bridge away from the input bus bar and an output bus bar to break an electrical connection therebetween.

Abstract: Exemplary electrical disconnects may include a housing defining a first access at a first end of the housing and a second access at a second end of the housing. The second access may extend vertically along a height of the housing beyond a vertical location of the first access. The electrical disconnects may include a busbar characterized by a first segment and a second segment. The first segment and the second segment may be coupled at a break section of the busbar. The first segment of the busbar may extend through the first access of the housing. The second segment of the busbar may extend through the second access of the housing. The electrical disconnects may include a pyrotechnic initiator disposed within the housing. The electrical disconnects may include a blade laterally aligned with the break section of the busbar. The electrical disconnects may include a plunger within which the blade is seated.

Abstract: An electrical connector apparatus for use in a downhole tool comprising a housing, a contact screw within outer threads and inner threads, a contact plunger within the inner bore of the housing and a second cylinder protruding from the first cylinder. The contact spring is located between the contact plunger and the contact screw and pre-loads the contact plunger within the housing.

Abstract: A wellbore select fire switch retaining member system and method with an integrated through wire and ground wire in a switch sub. The system/method includes a retaining member that has a form factor acceptable by a conventional switch sub. The retaining member incorporates an electrical connection to the center pin of a pressure switch. The system further includes a secondary piston aligned with a piston in the switch (switch piston) so that external pressure is fully acted upon the entire switch piston creating a reliable switch connection. Another system includes an integrated retaining member and switch module having a form factor compatible with existing switch subs. The integrated module inputs include a ground wire and a through wire and the outputs include a ground wire, through wire and an arming wire.

Abstract: A disconnect has a housing defining a cavity, a busbar fixed in the housing and extending through the cavity, a piston movable in the cavity past the piston for breaking a piece out of the busbar, and a plurality of metallic filter elements exposed in the cavity below the busbar and electrically connecting with the piece on activation of the disconnect. An igniter displaces the piston in the cavity into engagement with and past the busbar so as to break the piece out of busbar and displace it past the filter elements such that an arc created by breaking out the piece is drawn by the piece away from the busbar and energy of the arc heats and is dissipated in the filter elements.

Abstract: The invention relates to a cut-off device comprising: a conductive element and a movable piston, the piston being able to move between a first position in which the current passes in the conductive element and a second position in which the current is cut off, the piston being configured to break the conductive element when moving from its first position to its second position, the piston being positioned in a receiving cavity of a receiving element when said piston is in its second position, characterized in that the receiving element further comprises at least one additional cavity separate from the receiving cavity and linked to said receiving cavity by at least one channel, said at least one channel being open when the conductive element is broken by the piston.

Abstract: A switch includes: an ignition chamber; a pyrotechnic actuator for releasing gas into the ignition chamber upon ignition; a first conductor and a second conductor, the first and second conductors including connection contacts; a third conductor moveable in a direction from a first position towards a second position upon actuation by the pyrotechnic actuator; and a breakable retaining member for retaining the third conductor in the first position prior to actuation by the pyrotechnic actuator, the retaining member breaking upon actuation of the pyrotechnic actuator to allow movement of the third conductor. In the first position, the third conductor is arranged between, and in electrical and physical contact with, the first and second conductors to define a current conduction path. In the second position, the third conductor is electrically and physically separate from the first and second conductors.

Abstract: A stop buffer for absorbing kinetic energy in a collision between two objects, includes a first spring body made of an elastic material. The first spring body is connected to a carrier body, and includes at least one electrical sensor, which has a triggering element that can be mechanically actuated. The sensor outputs a signal when the triggering element is actuated. The sensor is arranged relative to the carrier body in such a way that the triggering element is actuated by a detachment of the first spring body from the carrier body, or an actuation mechanism is provided, by which the triggering element of the sensor is actuated by a force acting on the carrier body in a collision when the force exceeds a predefined magnitude that indicates a failure of the first spring body because of wear or, if the first spring body is intact, indicates excessive collision energy.

Abstract: An electric circuit breaker, including a housing, a cut portion that is arranged in the housing and forms a part of an electric circuit, a cutting member that cuts the cut portion, and a power source arranged on a first end portion side of the housing, the electric circuit breaker including a moving body that allows the cut portion to be inserted and accommodated therein and includes the cutting member and a first arc extinguishing space adjacent to the cutting member, in which the housing includes a cylindrical portion capable of moving the moving body between the first end portion and a second end portion on a side opposite to the first end portion. The moving body is further configured such that the cutting member provided in the moving body cuts the cut portion while the moving body moves from the first end portion toward the second end portion by the power source.

Abstract: Systems for disconnecting a surge arrester. One embodiment provides a surge arrester comprising a housing, a connecting interface configured to connect to an electrical power grid, and a disconnector device coupled to the connecting interface. A metal oxide varistor stack is coupled to the disconnector device, and a ground side connection is coupled to the metal oxide varistor stack, the ground side connection configured to connect to a system ground. The disconnector device is configured to disconnect the connecting interface from the system ground based on a predetermined disconnection condition.

Abstract: The disclosure discloses a liquid arc voltage transfer based direct current breaker and a use method thereof. The direct current breaker includes a first connection terminal, a second connection terminal, a main current branch, a transfer branch and an energy dissipation branch. The main current branch is connected between the first connection terminal and the second connection terminal, and the main current branch includes a liquid break. The transfer branch is connected between the first connection terminal and the second connection terminal and is connected in parallel with the main current branch. The energy dissipation branch is connected between the first connection terminal and the second connection terminal and is connected in parallel with the main current branch and the transfer branch.

Abstract: The invention relates to a pyrotechnic fuse for interrupting an electrical circuit, comprising a body (9), in which an explosive charge is disposed, wherein: the pyrotechnic fuse comprises a hollow cylinder (11), in which a piston (12) is disposed, beneath which a separation claw (13) is disposed, beneath which the conductor (20), which is to be severed, is disposed; the piston (12) and the separation claw (13) are pressed downwards once the pyrotechnic fuse has been triggered, and the separation claw (13) severs the conductor (20) at two points; a quenching substance storage chamber (14) is disposed outside the cylinder (11), which quenching substance storage chamber, as a result of the piston being pressed downwards once the pyrotechnic fuse has been triggered, is opened towards a separation chamber (15) such that the quenching substance moves into the separation chamber.

Abstract: An example electrical interruption switch includes a casing, surrounding a contact unit defining current path therethrough. The contact unit has a first and second connection contact and a separation region. A current supplied to the contact unit via the first connection contact can be discharged therefrom via the second connection contact, or vice versa. The separation region includes a tubular element, an axial direction of which runs along an axis X, wherein the tubular element is separable into two parts along a plane perpendicular to the axis X, whereby the current is interrupted between the first and the second connection contact, wherein the tubular element has two opposite end regions along the direction of extent of the axis X, characterized in that the tubular element has a minimum wall thickness, which increases in each case in the direction of the end regions, in a region between the end regions.

Abstract: An example interruption switch includes a casing surrounding a contact unit, defining a current path through the switch, which has two connection contacts, a separation region and a sabot. A current supplied to the contact unit may be interrupted via the one of the connection contacts and discharged via the other connection contact. At least one chamber in the switch, delimited by the separation region, is substantially filled with a vaporizable medium in contact with the separation region. The separation region is separable into at least two parts through the supplied current when a threshold amperage is exceeded. An electric arc forming between the two parts at least partially vaporizes the vaporizable medium, and a gas pressure to which the sabot is exposed forms. The sabot moves, in the casing, from a starting to an end position, achieving an insulation spacing between the connection contacts.

Abstract: An example electrical interruption switch includes a casing, surrounding a contact unit defining a current path therethrough. The contact unit has a first and second connection contact, a separation region and an upsetting region. A current supplied to the contact unit via the first connection contact, can be discharged via the second connection contact, or vice versa. The contact unit includes, or is connected to, a sabot configured to move from a starting to an end position via pressure; in the end position, the separation region is separated causing an insulation spacing between the first and second connection contacts. The upsetting region, upset during movement of the sabot from the starting to end positions, is formed as a tubular or rod-shaped element having an axis; the tubular or rod-shaped element has one or more tapers in its cross-sectional diameter; and the cross-sectional diameter is defined perpendicular to the axis.

Abstract: An electric circuit breaker device with a reduced size. A first through hole 22a of a cut portion 20 and a first attachment hole 43 of a first connection portion 40 are placed on a first fixing pin 35 of a projectile 30, and a second through hole 23a of the cut portion 20 and a second attachment hole 48 of a second connection portion 45 are placed on a second fixing pin 36. By deforming an end portion of the first fixing pin 35 and an end portion of the second fixing pin 36, the projectile 30, the cut portion 20, the first connection portion 40, and the second connection portion 45 can be integrally formed together.

Abstract: Various embodiments of the present invention relate to a method for detecting a battery state (for example, swollen state) at least partially on the basis of atmospheric pressure, a battery, or an electronic device comprising the battery. According to one embodiment, the electronic device comprises: at least one sensor; a housing; a battery disposed inside the housing and including an atmospheric pressure sensor; and a processor, wherein the processor can be configured to detect an internal atmospheric pressure of the battery by using the atmospheric pressure sensor, to check state information related to the electronic device by using the at least one sensor, and to perform a designated function when the atmospheric pressure satisfies a designated condition at least on the basis of the state information. In addition, various embodiments are possible.

Abstract: The invention relates to a damping system for a mobile mass (2) of a MEMS device (1), the system being capable of preventing direct contact between the mass (2) and a surface element (3) of the MEMS device (1), the damping system comprising: a mechanical bumper (4) positioned between the mass (2) and the surface element (3); a system (5) for locking/unlocking the bumper (4), which comprises one branch (51) oriented towards the bumper (4) having a blocking end (53) and a pin joint (54) capable of pivoting the branch (51), the locking/unlocking system (5) defining two subsequent positions of the mass (2).

Abstract: A high-speed closing device includes a first fixed contactor which is made from a conductive material; a second fixed contactor which is made from a conductive material, and faces the first fixed contactor so as to be arranged; and a movable contactor, of which a tip is made from a conductive material, which includes a hollow hole, in which an opposite side of the tip is opened, at an inner portion, and is separated from the first fixed contactor and the second fixed contactor with a distance being longer than an insulation distance so as to be arranged before the high-speed closing device is closed, and inserts the tip between the first fixed contactor and the second fixed contactor after the high-speed closing device is closed, and electrically connects the first fixed contactor and the second fixed contactor.

Abstract: A pyrotechnic circuit breaker, comprising a body, an igniter, a bus bar, and a piston which comprises a cutting edge and is movable along a normal direction to cut a portion of the bus bar, thereby separating the bus bar to break a circuit, wherein the cutting edge of the piston is stepped so that the portion of the bus bar is cut sequentially, in at least two successive cutting operations, characterized in that the bus bar comprises a breakable portion configured to be cut by the cutting edge of the piston, wherein said breakable portion comprises slots in order to divide the breakable portion into multiple sub-portions that are adapted to be cut sequentially by the stepped cutting edge of the piston.

Abstract: An optical electromagnetic radiation (EM) emitter and receiver are located upon a printed circuit board (PCB) layer and are connected to an optical security pathway. A predetermined reference flux is determined, the reference flux being the expected EM transmitted by the optical security pathway and received by the receiver. When the PCB is subject to an unauthorized access thereof (e.g., drilled, sawed, cut, etc.), the optical EM transferred by optical security pathway is altered. An optical monitoring device that monitors the flux of the optical EM received by the receiver detects a change in flux, in relation to the reference flux, and passes a tamper signal to one or more computer system devices to respond to the unauthorized access. For example, one or more cryptographic adapter card or computer system functions or secured crypto components may be disabled.

Abstract: An example hazardous detection call point station can include: a common rear housing; a front housing, wherein the common rear housing and the front housing are configured to be coupled to form a housing defining an interior; and an actuator cylinder positioned at least partially within the interior; wherein, upon breaking a glass front or depressing a button of the station, the actuator cylinder is biased to rotate to complete a circuit and thereby send an alarm notification to a main panel at a remote location.

Abstract: An optical electromagnetic radiation (EM) emitter and receiver are located upon a printed circuit board (PCB) glass security layer. A predetermined reference flux or interference pattern, respectively, is an expected flux or reflection pattern of EM emitted from the EM emitter, transmitted by the glass security layer, and received by the EM receiver. When the PCB is subject to an unauthorized access thereof the optical EM transmitted by glass security layer is altered. An optical monitoring device that monitors the flux or interference pattern of the optical EM received by the EM receiver detects a change in flux or interference pattern, in relation to the reference flux or reference interference pattern, respectively, and passes a tamper signal to one or more computer system devices to respond to the unauthorized access. For example, one or more cryptographic adapter card or computer system functions or secured crypto components may be disabled.

Abstract: A method of fabricating a printed circuit board (PCB) is presented. The PCB includes a glass security layer. The method includes forming the glass security layer upon a PCB wiring layer. The method includes optically attaching an optical electromagnetic radiation (EM) emitter upon the glass security layer. The method includes optically attaching an optical EM receiver upon the glass security layer. The method further includes electrically connecting an optical monitor device to the optical EM receiver.

Abstract: A device is provided for switching an electrical circuit for electrical power levels of from 500 watts to 10 megawatts, which has two or more pyrotechnic disconnecting devices, which are connected in series between a terminal point and a load in order to interrupt the electrical circuit. The device also has at least one closing mechanism, wherein the number of closing mechanisms is less than the number of pyrotechnic disconnecting devices and wherein each closing mechanism is arranged in a parallel connection with a single pyrotechnic disconnecting device in order to bridge the one pyrotechnic disconnecting device and thereby close an interrupted electrical circuit.

Abstract: A bearing for guiding a first guided piece includes a first bearing surface with respect to a second bearing surface fixedly attached to a second guided piece. At least one first intermediate piece is interposed between the first bearing surface and the first guided piece and at least one first automatic release assembly for i) in a first assembly state, fixedly attaching the at least one first intermediate piece and the first guided piece for guidance forces which are lower than a triggering value, and ii) in a release state, permitting a relative displacement of the first guided piece with respect to the at least one first intermediate piece, at least in one displacement orientation, for guidance forces which are greater than the triggering value of the first assembly.

Abstract: Methods and systems for monitoring a vehicle. In a parked state of the vehicle, the control unit of the vehicle is deactivated, and the signals of some of the sensors of the vehicle are detected and evaluated by way of a separate detecting unit. If, based on the sensor signals evaluated in this way, a defined event is detected, the previously deactivated control unit can be activated. Thus, the operating time of the control unit is minimized over the total life span of the vehicle.

Abstract: Embodiments disclose a fuse comprising a one power lead, an explosion chamber and an isolating chamber, wherein the fuse is designed such that a power lead can be broken into at least two parts by an explosion triggered in an explosion chamber. The two parts are separated from each other in an associated isolating chamber by a respective electrically insulating partition. Embodiments disclose a method comprising a power lead, an explosion chamber and an isolating chamber, wherein an explosion is triggered in the explosion chamber so that the power lead is broken into at least two parts and bent into the isolating chamber such that at least two parts are separated from one another by an electrically insulating partition. The present disclosure can be applied to pyrotechnic fuses for vehicles and to high-voltage fuses.

Abstract: Tamper-proof electronic packages and fabrication methods are provided which include a glass substrate. The glass substrate is stressed glass with a compressively-stressed surface layer. Further, one or more electronic components are secured to the glass substrate within a secure volume of the tamper-proof electronic package. In operation, the glass substrate is configured to fragment with an attempted intrusion event into the electronic package, and the fragmenting of the glass substrate also fragments the electronic component(s) secured to the glass substrate, thereby destroying the electronic component(s). In certain implementations, the glass substrate has undergone ion-exchange processing to provide the stressed glass.

Abstract: Disclosed are impact sensor arrangements for active hood systems, methods for making and for using such impact sensor arrangements, and motor vehicles with active hood systems using such impact sensor arrangements. Disclosed, for example, is an impact sensor arrangement for an active hood system of a motor vehicle. An active hood system actuator is selectively actuable to displace the vehicle's engine hood. The impact sensor arrangement includes a sensor connected to a sensing tube to detect a characteristic change of the sensing tube and responsively output an actuator trigger signal. First and second blocks, each formed from a high-density material, attach to the vehicle body adjacent the bumper and collectively define an internal channel within which is nested the sensing tube. The first block is movably attached to the second block such that displacement of one block with respect to the other initiates the characteristic change of the sensing tube.

Abstract: A rechargeable battery includes a case; an electrode assembly accommodating the case; a cap plate sealing an opening of the case; terminals electrically coupled to the electrode assembly and penetrating the cap plate; terminal plates on the cap plate and coupled to a respective one of the terminals; and a connecting member including a sinuous body located between the cap plate and the terminal plate to electrically couple the cap plate and the terminal plate.

Abstract: The conduction breaking device includes a conductive body, a fixed blade, an arc-extinguishing chamber, a gas generator, a cutting member, and a cutting delaying portion. The fixed blade and the arc-extinguishing chamber are located on one side of the cuttable portion with respect to a thickness direction of the cuttable portion in the conductive body. The gas generator is located on the opposite side of the cuttable portion with respect to the thickness direction. The cutting member is arranged between the cuttable portion and the gas generator and includes a movable blade. The cutting delaying portion is provided at the movable blade and configured to allow a part of an area of the cuttable portion that is, in the width direction, closer to the center than the edges are to the center to be cut after the other parts are cut.

Abstract: A collision detection device includes a chamber member, a pressure sensor, a collision detection ECU, and a projecting portion. The chamber member is disposed on a vehicle-front side of a bumper reinforcement in a bumper cover and includes a chamber main body having therein a hollow portion. The pressure sensor detects pressure in the hollow portion of the chamber main body. A clearance is formed between the chamber member and a front surface of the bumper reinforcement at least on a part of a rear surface of the chamber main body. The collision detection ECU detects a collision of an object with the bumper cover based on a pressure detection result by the pressure sensor. The projecting portion is provided to project from the rear surface of the chamber main body, and an end of the projecting portion is in contact with the front surface of the bumper reinforcement.

Abstract: A current sensor and so forth are provided capable of detecting an overcurrent of a wiring line and disconnecting the wiring line while reducing layout space and cost. A current detection part detecting a current flowing through the wiring line, a disconnection mechanism disconnecting the wiring line, and a drive circuit driving the disconnection mechanism are included in the same housing. A current detection circuit included in the current detection part and the drive circuit are placed on the same substrate.

Abstract: A resistance connecting device includes a case inside of which a chamber is formed. The chamber includes inside an activating unit, a gas generating unit, a first connecting portion, and a second connecting portion. The first connecting portion and the second connecting portion extend from the inside to the outside of the case in a mutually separated state and are exposed in the chamber. The activating unit is held at a first position that does not cause contact with either of the connecting portions when the gas generating unit has not been activated and moves up to a second position to cause contact with both of the connecting portions as a result of activation of the gas generating unit. The activating unit, at the second position, functions as a resistor having a predetermined electrical resistance, and connects the connecting portions to one another.

Abstract: A low fault current isolation arrangement senses a loss of voltage and automatically isolates and de-energizes a down live primary wire if overcurrent protection devices have not cleared the high impedance fault in an electric power distribution network. Incorporating an operator selectable time delay response, the low fault current isolation arrangement permits overcurrent protection devices to attempt to detect and shut down the affected conductor, and then isolates and shuts down the low current fault if the overcurrent devices are not successful. The isolation arrangement continuously monitors AC voltage as remotely provided by smart meters even after a fault location is de-energized, and serves as a back up, and not as a replacement, for existing overcurrent protection schemes. A host computer operates in conjunction with plural smart meters each coupled to an associated customer distribution transformer in conjunction with the fault isolator to detect and shut down high impedance faults.

Abstract: A block cipher is provided that secures data by encrypting it based on the memory address where it is to be stored. When encrypting data for storage in the memory address, the memory address is encrypted in a first plurality of block cipher rounds. Data round keys are generated using information from the first plurality of block cipher rounds. Data to be stored is combined with the encrypted memory address and encrypted in a second plurality of block cipher rounds using the data round keys. The encrypted data is then stored in the memory location. When decrypting data, the memory address is again encrypted as before while the encrypted stored data is decrypted in a second plurality of the block cipher rounds using the data round keys to obtain a partially decrypted data. The partially decrypted data is combined with the encrypted memory address to obtain fully decrypted data.

Abstract: A conduction breaking device is provided that uses gas from a gas generator to move a cutter block in the thickness direction of a cuttable portion, thereby cutting the cuttable portion between the moving cutter block and a cutting edge portion of a cutting chamber. The cutter block is attached to the cuttable portion such that, before generation of gas by the gas generator, a part of the cutter block is located in the cutting chamber and at a position close to the cutting edge portion in a direction along the surface of the cuttable portion.

Abstract: A cutter including a blade member (30) having an edge portion (31) for cutting a current-carrying member (12) and an insulating portion (32); a gas generator (35) that generates high-pressure gas to move the blade member (30) toward the current-carrying member (12); a receiving member (25) arranged on a side opposite to the edge portion (31) relative to the current-carrying member (12) and defining a receiving surface (25b) for receiving the current-carrying member (12) upon cutting thereof; a stopper (23) configured to restrict forward movement of the blade member (30) such that the insulating portion (32) of the blade member (30) stops, after cutting of the current-carrying member (12), at a position corresponding to a cut surface of the current-carrying member (12); and an insulating protective member (15) positioned between at least one of the blade member (30) or the receiving member (25) and the current-carrying member (12) and configured to protect a surface of the current-carrying member (12) facing t

Abstract: A cutter includes a stopper with which a blade after cutting a harness with a cutting portion collides and stops. The blade includes a flexible guide portion which protrudes further in a forward direction of the blade than the cutting portion.

Abstract: A pressure detection system is provided. The pressure detection system may include an enclosure that houses a pressure sensor, a type selector and a thickness selector. The pressure sensor may be adapted to produce output representative of the pressure on a barrier. The pressure sensor may include a computer electronically connected to the type selector and the thickness selector. The computer may be adapted to determine a threshold pressure that is related to the minimum amount of pressure needed to break a barrier for a given barrier type and a given barrier thickness. The pressure sensor may be adapted to transmit an alarm signal when the output of the pressure sensor may exceed the threshold pressure. A user may install the enclosure on the barrier. The user may then select the given barrier type from a group of predetermined options on the type selector. The user may then select the given barrier thickness from a group of predetermined options on the thickness selector.

Abstract: The present invention relates to a safety apparatus and a protection method of a secondary battery, which can prevent explosion and fire of the secondary battery using a switch or a rupture switch attached on the outside of the secondary battery if a swelling degree of the secondary battery reaches a predetermined value when the secondary battery is swelled due to abnormal usage such as overcharge, short-circuit, reverse-connection and heat-exposure of large-capacity lithium polymer battery.

Abstract: A trip mechanism for a fuse includes a trip unit disposed within an elongated housing of the fuse, and a processor. The trip unit includes a fuse element and an actuator for severing the fuse element, The processor is in electrical communication with the trip unit, and is adapted to monitor electrical current. Responsive to the processor detecting a predetermined prescribed electrical current, the processor is adapted to signal the actuator to sever the fuse element. The processor is programmable to selectively adjust the predetermined prescribed electrical current, thereby enabling the fuse to have a plurality different current ratings.

Abstract: The present invention relates to a safety apparatus and a protection method of a secondary battery, which can prevent explosion and fire of the secondary battery using a switch or a rupture switch attached on the outside of the secondary battery if a swelling degree of the secondary battery reaches a predetermined value when the secondary battery is swelled due to abnormal usage such as overcharge, short-circuit, reverse-connection and heat-exposure of large-capacity lithium polymer battery.