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With fusible, combustible or explosive material

Subclass of:

337 - Electricity: electrothermally or thermally actuated switches

337298000 - THERMALLY ACTUATED SWITCHES

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
337401000 With fusible, combustible or explosive material 29
20130093562POWER DISCONNECTING DEVICE - A power disconnecting device includes: two electrical contacts which are electrically conductively connected to one another via a conductor in a closed state of the conductor; and a holding unit which holds the conductor in the closed state, the conductor being pre-tensioned in the direction of an open position, the two electrical contacts not being electrically conductively connected via the conductor in the open position of the conductor. The holding unit has a thermosensitive element, and a heating element is assigned to thermosensitive element. The thermosensitive element changes its shape upon activation of the heating element, thus resulting in the conductor moving into the open position.04-18-2013
20080284558APPLIANCE ASSEMBLY WITH THERMAL FUSE AND TEMPERATURE SENSING DEVICE ASSEMBLY - An appliance assembly includes an appliance and a thermal assembly. The thermal assembly includes a housing attached to the appliance, a temperature sensing device carried by the housing and electrically coupled with the appliance, and a thermal fuse carried by the housing and electrically coupled with the appliance, the thermal assembly being a modular assembly and thereby configured for being, as a single unit, attached to and detached from the appliance.11-20-2008
20090179729Thermal fuse employing thermosensitive pellet - A thermal fuse includes a metallic casing, a first lead member having a first electrode formed at an end thereof, a second lead member having a second electrode formed at an internal wall surface of the casing, a switching function member including a spring member pressing a thermosensitive pellet and a movable conductor. At an operating temperature as the thermosensitive pellet softens and melts, the thermal fuse switches an electrical circuit between the first and second electrodes. In order to respond and switch more quickly at the operating temperature, the thermosensitive pellet is produced to have a structure that facilitates activation thereof at the operating temperature. Such a structure may involve at least one cavity incorporated in the pellet, or may involve at least two different resin materials that are mixed together or provided in plural layers in the pellet.07-16-2009
20120194317Three-Function Reflowable Circuit Protection Device - A circuit protection device includes a substrate with first and second electrodes connected to the circuit to be protected. The circuit protection device also includes a heater element between the first and second electrodes. A sliding contact is connected by a sensing element to the first electrode, second electrode, and heater element, thereby bridging and providing a conductive path between each. A spring element is held in tension by, and exerts a force parallel to a length of the substrate against, the sliding contact. Upon detection of an activation condition, the sensing element releases the sliding contact and the force exerted by the spring element moves the sliding contact to another location on the substrate at which the sliding contact no longer provides a conductive path between the first electrode, second electrode, and heater element.08-02-2012
20110057762SHORT-CIRCUITING APPARATUS WITH PYROTECHNIC INITIATION - A short-circuit device for the electrical bypass of an electric module has a contact arrangement, which is disposed in a switching chamber. The contact arrangement has an open circuit-breaker setting, in which a current flow via the contact arrangement is interrupted, and a contact setting, in which a current flow via the contact arrangement is made possible. A pyrotechnic drive for transferring the contact arrangement from its circuit breaker setting into its contact setting, enables cost-effective, rapid bypass or short-circuiting, and the provision of a large current carrying capacity simultaneously. The switching chamber is a vacuum switching chamber in which a vacuum prevails.03-10-2011
20110006875BY-PASS OF AN ELECTRICAL COMPONENT - A modular by-pass device of an electrical component includes a housing possessing a movable means of sealing, and is equipped with conducting terminals, one of whose ends is connected to one of the terminals of the electrical component circuit, the other end being fastened to the wall of the housing projecting into the interior of the housing and constituting a contact post. An actuator providing transposition between two positions of a control device include a plunger shaft and a spring arranged in the space formed between the plunger shaft and the internal wall of the housing. A trigger includes a retention device of the plunger shaft held in place by a fusible material. A reversing switch includes a contact zone providing electrical continuity between two contact posts of the terminals carried by the housing. The disclosed embodiments finds application more particularly in the isolation and short-circuiting of a battery element, which has become defective.01-13-2011
20130009745Fuse for a Motor Vehicle Power Line - Circuit breaker for motor vehicle power lines, having a first planar connection flap, a second connection flap and a connection portion which electrically connects the connection flaps and which forms a desired breaking location. A particularly simple production with low material use can be achieved by the connection flaps and the electrical connection portion closing an explosion chamber of a pyrotechnical igniter in such a manner that the desired breaking location bursts owing to the gas pressure of the pyrotechnical igniter brought about in the event of actuation.01-10-2013
337402000 With manual, gravity-actuated or other mechanical contact control means 5
20100277268THERMAL SAFETY DEVICE - The invention relates to a thermal safety device intended to be fixed to a substrate (11-04-2010
337403000 Automatic cutout or disconnect type 2
337404000 With fusible element directly connecting contacts 1
20090027156Electronic Assembly - An electronic assembly (01-29-2009
337405000 With fusible element opening the circuit (no mechanical contacts) 1
20100033295HIGH TEMPERATURE THERMAL CUTOFF DEVICE - The present disclosure provides high temperature thermal cutoff devices having a high-temperature thermal pellet with a transition temperature of greater than or equal to about 240° C. and comprising at least one organic compound. The pellet is disposed in a housing, which is sealed with a high-temperature seal that provides substantial sealing up to at least the transition temperature. The high-temperature TCO also has a current interruption assembly, which establishes electrical continuity in a first operating condition corresponding to an operating temperature of less than said transition temperature and discontinues electrical continuity when the operating temperature exceeds the transition temperature. Methods of making such high-temperature thermal cut off devices are also provided.02-11-2010
337407000 Utilizing spring or other energy 2
20100045421Electric Circuit With Thermal-Mechanical Fuse - A electric circuit includes a connection to a current source, an electric load, and a thermal-mechanical fuse which, in the case of failure at an excessive heat emission, interrupts the current supply to the load, which is effectuated by a feeder in which is arranged a spring having two ends, at least one end is soldered to a solder point provided in the feed line. The one solder point is under a mechanical pretension caused by the restoring force of a spring, that separates the solder joint between the spring and the solder point in the feed line, when the solder melts at the solder point.02-25-2010
20110050386Electronic Assembly Having Stressable Contact Bridge with Fuse Function - An electronic circuit includes a conductor path on a circuit board, and at least one SMD component, electronic component and/or electromechanical component mounted on the circuit board and connected to the conductor path. A circuit connection is established via a soldered joint and a spring-loaded or stressed springy contact bridge that provides fuse protection. In the event of excessive power dissipation or high temperature, the soldered joint melts or softens and the contact bridge springs open to interrupt the circuit.03-03-2011
337412000 Plural independent fuse elements with single circuit completion means 1
20090302992Overvoltage Protection with Status Signalling - The present invention teaches an overvoltage protection device that includes at least one non-linear resistance element and a single cut-off device coupled with the at least one non-linear resistance element to disable the at least one non-linear resistance element when the at least one non-linear resistance element reaches a pre-determined temperature. The single cut-off device may include stranded wire, a first solder having a first melting point connecting the stranded wire to the at least one non-linear resistance element, and a second solder having a second melting point, higher than the first melting point, connecting the stranded wire to the at least one non-linear resistance element. The single cut-off device may further include a shifting part that shifts when the at least one non-linear resistance element heats the first solder to the first melting point. In other particular embodiments, the overvoltage protection device may further include a status indicator configured to be moved by the single cut-off device to indicate one of at least two conditions of the at least one non-linear resistance element. The status indicator may include a lever, and the single cut-off device moves the lever to indicate the one of at least two conditions of the at least one non-linear resistance element.12-10-2009
337413000 Contact structure or composition of material 2
20100109833THERMAL FUSE - The invention relates to a thermal fuse in a circuit structure, particularly a punched grid, having a plurality of circuit areas, having the circuit structure with connections sited (05-06-2010
20110273262DEVICE FOR RECEIVING A FUSE AND SWITCHING DEVICE - A device for receiving a cylindrical fuse, having a housing which has member pairs which protrude from a housing base and which are spaced-apart from each other, wherein a substantially U-shaped contact is introduced in each case between the members of each member pair and the member pairs are provided for receiving the fuse, wherein each substantially U-shaped contact is formed by two contact members, of which at least one of the contact members is provided with a contact tongue which protrudes laterally over the contact members, the contact tongue(s) defining a contact blade.11-10-2011
337414000 Housing, casing or support means 8
20130057382THERMAL FUSE - A thermal fuse which has its conducting element made of red brass. As such, the conducting element has an identical thermal coefficient as that of a red-brass casing, and the robustness against heat of the conducting element's petals is compatible with that of the casing. In this way, the conducting element will not be stuck with the casing when an overloading current emerges. The thermal fuse therefore is significantly more reliable than a conventional thermal fuse.03-07-2013
20120032774THERMAL FUSE RESISTOR, MANUFACTURING METHOD THEREOF, AND INSTALLATION METHOD THEREOF - Disclosed are a thermal fuse resistor having a case injection-molded by using thermosetting resin having heat resistance less than that of filler, a manufacturing method of the thermal fuse resistor, and a method of installing the thermal fuse resistor such that a resistor and a thermal fuse are laid down on a printed circuit board. In the thermal fuse resistor, even if the case has a lighter weight and a thinner thickness by changing the material of the case as compared with those of a case according to the related art, the case is not easily broken, so that the case is suitable for the lightness and slimness of an electronic appliance employing the thermal fuse resistor. Since only the thickness of the case of the thermal fuse resistor is reflected to the thickness of the electronic appliance employing the thermal fuse resistor, the thermal fuse resistor is suitable for the slimness of the electronic appliance.02-09-2012
20120105191EXPLOSION-ROOF AND FLAMEPROOF EJECTION TYPE SAFETY SURGE-ABSORBING MODULE - An explosion-proof and flameproof ejection type safety surge-absorbing module includes a protective member and a surge-absorbing unit. The protective member comprises a base and an upper lid coupled with the base. The base has two corresponding partitions extending upwards. The surge-absorbing unit includes a body, two connecting leads, and a resilient metallic plate. The body has two sides each defining an electrode surface. The electrode surface is connected with one of the connecting leads. The resilient metallic plate has a first end welded to the electrode surface with a contact member and a second end curved and striding across an outer side of one of the partitions to penetrate through the bottom of the base. In case the body of the surge-absorbing unit is overheated due to high temperature caused by a surge, the contact component will be melted allowing the resilient metallic plate to eject away from the electrode.05-03-2012
20100277269STRUCTURE OF BASE OF FUSE - A fuse includes a base. The base includes a body and two leads. The body has two side portions each forming a hole extending through top and bottom faces of the body and having a lower end forming a diverging lead-in opening. Each lead has a top end and forms a flattened fixing portion. The lead can be fit into a respective fitting hole of the body through the lead-in opening in an automatic manner with machines and can then be fixed in the fitting hole with the fixing portion. The top end of the lead projects beyond the top face of the fitting hole to serve as a terminal that can then be flattened. In the way, human errors can be eliminated in assembling the lead and the body and the assembling can be done with enhanced precision.11-04-2010
20120133480OVERLOAD PROTECTION COMBINATION STRUCTURE FOR A BASE OF A FUSE - An overload protection combination structure for a base of a fuse is provided, which is mainly directed to an improved technology of an auxiliary structure for ensuring cutoff of an overload current of the fuse base after the fuse is microminiaturized. The improvement is characterized in that, one or more recesses are formed between two leading pins of a body of the fuse base after being reduced in size, thereby increasing a creeping distance between the two leading pins for holding fuse wires, so that the microminiaturized fuse can comply with requirements of an electronic safety standard.05-31-2012
20110156858SEMICONDUCTOR DEVICE COMPRISING METAL-BASED eFUSES OF ENHANCED PROGRAMMING EFFICIENCY BY ENHANCING METAL AGGLOMERATION AND/OR VOIDING - Metal fuses in semiconductor devices may be formed on the basis of additional mechanisms for obtaining superior electromigration in the fuse bodies. To this end, the compressive stress caused by the current-induced metal diffusion may be restricted or reduced in the fuse body, for instance, by providing a stress buffer region and/or by providing a dedicated metal agglomeration region. The concept may be applied to the metallization system and may also be used in the device level, when fabricating the metal fuse in combination with high-k metal gate electrode structures.06-30-2011
20110156857SILICON-BASED SEMICONDUCTOR DEVICE COMPRISING eFUSES FORMED BY AN EMBEDDED SEMICONDUCTOR ALLOY - An electronic fuse may receive a silicon/germanium material in the fuse body, which in turn may result in the formation of a metal silicide material of reduced thickness. Consequently, the current density and, thus, the electromigration and heat generation in the metal silicide material may be increased for a given amount of current. Consequently, transistor switches for applying the programming pulse to the electronic fuse may be reduced in size.06-30-2011
337415000 Flexible or resilient 1
20120176216FUSE UNIT - A fuse unit including a fuse element therein includes a first resin body and a second resin body. The second resin body is connected to the first resin body by a hinge portion and configured to be bended around the hinge portion with respect to the first resin body. A pair of first side walls and a pair of second side walls are provided on the first resin body and the second resin body respectively and extend in a direction intersecting an axis of the bending of the second resin body. A pair of engaging parts are provided at the lock arms provided at the first side walls respectively respectively, and each of which has a first inclined face. A pair of engaged parts are provided at the second side walls respectively, and corresponds to the engaging parts respectively, and each of which has a second inclined face configured to contact the first inclined face in surface contact in a state that the second resin body is bended. The first inclined face and the second inclined face are formed along a direction intersecting a direction of a reaction force by springback of the fuse element caused by the bending of the second resin body.07-12-2012
337416000 Fusible, link or element structure or composition of material 6
20100073120THERMAL FUSE FOR USE IN ELECTRIC MODULES - The invention relates to a thermal fuse, especially for use in an electric module in the automotive field, comprising a connecting element (03-25-2010
20120223803THERMAL OVERLOAD PROTECTION APPARATUS - A thermal overload protection device includes a first and a second current-carrying element which are electrically connected to one another via at least one soldered joint that is configured to melt in an event of an overload. At least one of the current-carrying elements is an inherently resilient current-carrying element which, via the at least one soldered joint, is kept in a first form corresponding to at least one of a non-stable state and a metastable state of the inherently resilient current-carrying element. The inherently resilient current-carrying element is deformable into a second form corresponding to a stable state of the inherently resilient current-carrying element via the at least one soldered joint melting. The first and second current-carrying elements are electrically disconnected from one another with the inherently resilient current-carrying element in the second form.09-06-2012
20130099890PROTECTION ELEMENT AND METHOD FOR PRODUCING PROTECTION ELEMENT - A protective element that is capable of promptly reliably disconnecting a current path by taking advantage of the erosion phenomenon of a solder in a melted state. A plurality of electrodes is formed by a first electrically conductive layer deposited on a substrate and by a plurality of second electrically conductive layers. A solder paste has a wetting performance for the electrodes higher than that for the substrate and is deposited on top of the first and second electrically conductive layers formed on the substrate. The solder paste melts by at least one out of heat generated by a resistor and heat generated by a stack of the electrodes and the solder paste. As the solder paste erodes the portion of the first electrically conductive layer intermediate between the electrodes, it is attracted towards the electrodes exhibiting higher wettability by it than that of the substrate.04-25-2013
20110163841TEMPERATURE SWITCH - A temperature switch comprises a material (07-07-2011
20120019348METHOD AND APPARATUS FOR CONTROL OF FAILED THERMISTOR DEVICES - A thermistor device includes include supports, contacts and offset posts configured to assist the fracturing of failed thermistor “pills” and to distribute the fragments of the fractured pills into compartment away from electrically conductive contacts in order to minimize arcing and overheating.01-26-2012
20120249283FLEX-RIGID WIRING BOARD AND METHOD FOR MANUFACTURING THE SAME - A protection element is provided which is capable of stably retaining a flux on a soluble conductor at a predetermined position, enabling a speedy and precise blowout of the soluble conductor in the event of an abnormality. This protection element includes: a soluble conductor 10-04-2012