ПЛАВКИЙ ПРЕДОХРАНИТЕЛЬ С КОРПУСОМ ИЗ ПОЛИАМИДНОЙ КОМПОЗИЦИИ

Изобретение относится к получению плавкого предохранителя, используемого для электрических цепей автомобиля и других устройств. Плавкий предохранитель содержит корпус и пару контактов, выступающих из предварительно заданной плоской поверхности корпуса, причем корпус содержит плавкий элемент, присоединенный между основными концами обоих контактов. Корпус предохранителя сформирован из полиамидной композиции, которая содержит в мас.%: 5-95 полиамидного сополимера (А) и 5-95 полиамидного гомополимера (В), при этом (А) и (В) не содержат ароматические кольца в молекулярной структуре. В сополимере (А) и гомополимере (В) диспергировано 0,1-20 мас.% силикатных слоев из набухающего чешуйчатого силиката. В качестве полиамидного сополимера (А) используют сополимер, выбранный из группы, включающей нейлон 6/66, нейлон 6/12 и нейлон 6/11. В качестве полиамидного гомополимера используют гомополимер, выбранный из группы, включающей нейлон 6, нейлон 66, нейлон 11 и нейлон 12. Дополнительно композиция содержит ...

КОМПОЗИЦИЯ ПОЛИАМИДНОЙ СМОЛЫ ДЛЯ ПЛАВКОГО ПРЕДОХРАНИТЕЛЯ И ПЛАВКИЙ ПРЕДОХРАНИТЕЛЬ

ФОРМУЛА ИЗОБРЕТЕНИЯ 1. Композиция полиамидной смолы для плавкого предохранителя, содержащая 95-5 мас.% полиамидного сополимера (A) и 5-95 мас.% полиамидного гомополимера (B). 2. Композиция полиамидной смолы для плавкого предохранителя по п.1, в которой на уровне молекулярного порядка диспергирован слой силиката из набухающего чешуйчатого силиката (C), и содержание слоя силиката (C) составляет 0,1-20 мас.%. 3. Композиция полиамидной смолы для плавкого предохранителя, в которую дополнительно добавлено 0,1-4 мас.ч. модификатора (D) термостойкости на 100 мас.ч. композиции полиамидной смолы для плавкого предохранителя по п.1 или 2. 4. Композиция полиамидной смолы для плавкого предохранителя, в которую дополнительно добавлено 0,01-0,5 мас.ч. смазывающего модификатора (E), способствующего извлечению из литейной формы на 100 мас.ч. композиции полиамидной смолы для плавкого предохранителя по п.1 или 2. 5. Композиция полиамидной смолы для плавкого предохранителя, в которую дополнительно добавлено ...

PP RESIN COMPOSITION FOR LOCKING DEVICE

BATTERY FUSE ASSEMBLY

A fuse includes a fusible element and a body member encased within a heat- resistant housing. The fusible element is configured to open an electri cal circuit coupled to a storage battery in response to an over-current in the electrical circuit. The housing is configured to contain an arc generated by the fusible element in response to the over-current and to shield the arc and the fusible element from ambient particles. Thus, the fuse is ignition protected. The body member includes an insulating material configured to interrupt the arc. The housing includes an opening configured to receive a terminal of the storage battery or a terminal of a mounting plate. An insulating material disposed about a first end of the mounting plate terminal is configured to electrically isolate the fuse and a power supply cable in the electrical circuit from the mounting plate terminal.

Electrical protection and procedure for their production.

Enclosed fuse

Surface-mounted fuse and manufacturing method thereof

blade fuse

High current one-piece fuse element and split body

A compact, high breaking capacity fuse that includes a top and bottom insulative layer and a single piece fusible element disposed between the top and bottom insulative layer. The top and bottom insulative layers include cavities that are aligned at assembly to form a chamber in which a fusible element portion of the single piece fusible element is disposed. The single piece fusible element additionally includes terminal portions that extend along outer surfaces of the top and bottom insulative layers.

НОЖЕВОЙ ПЛАВКИЙ ПРЕДОХРАНИТЕЛЬ

Изобретение относится к области электротехники и предназначено для использования в автомобиле. Компактный плавкий предохранитель состоит из плавкого элемента и изоляционного корпуса, имеющего вырезанную часть. Плавкий элемент включает две опорные пластины и плавкую часть, соединяющую опорные пластины. Плавкая часть размещена в корпусе, и части опорных пластин открыты в корпусе. Длина опорной пластины представляет собой сумму длины плавкой части в продольном направлении опорной пластины, длины выреза в продольном направлении опорной пластины и длины опоры крышки в продольном направлении опорной пластины. Технический результат - упрощение сборки плавкого предохранителя, который может быть пригоден для цепей с повышенным напряжением. 5 з.п. ф-лы, 18 ил.

Abschaltelement und Überspannungsschutzanordnung mit einem Abschaltelement

Abschaltelement (1) zur elektrischen Abtrennung eines elektrischen Bauelements oder zur Auftrennung eines Stromkreises bei Überlastung, mit zwei Anschlusskontakten (2, 3), mit einem isolierenden Gehäuse (4) und mit einem innerhalb des isolierenden Gehäuses (4) angeordneten Schmelzleiter (5), wobei im Normalzustand des Abschaltelements (1) die beiden Anschlusskontakte (2, 3) über den Schmelzleiter (5) elektrisch leitend miteinander verbunden sind, wobei das isolierende Gehäuse (4) aus zwei miteinander verbundenen Teilen (6, 7) besteht und der erste Teil (6) des Gehäuses (4) im Überlastfall vom zweiten Teil (7) des Gehäuses (4) abtrennbar ist, so dass die Verbindung der beiden Anschlusskontakte (2, 3) über den Schmelzleiter (5) getrennt ist.

MONITORING SYSTEMS AND METHODS FOR DETECTING THERMAL-MECHANICAL STRAIN FATIGUE IN AN ELECTRICAL FUSE

Systems and methods for detecting thermal-mechanical strain fatigue in an electrical fuse (100,200,352) include a controller (362) configured to monitor (722) at least one fuse fatigue parameter over a period of time while the fuse (100,200,352) is connected to an energized electrical power system, and based on the monitored at least one fuse fatigue parameter, the controller (722) is further configured to determine (726, 728) at least one of a consumed service life of the fuse element or a service life remaining of the fuse element.

FUSE LINK AUXILIARY TUBE IMPROVEMENT

A fuse link auxiliary tube comprises at least one inner layer of paper, at least one layer of polymer film over the at least one inner layer of paper, and at least one outer layer of paper over the at least one layer of polymer film. The at least one inner layer of paper, the at least one layer of polymer film, and the at least one outer layer of paper are wound into a tube shape. An acrylate or acetate layer over the at least one outer layer of paper may be used to structurally reinforce the fuse link auxiliary tube. The paper may be high dielectric strength Kraft paper, fish paper, etc. The polymer film may be polyester film, e.g., MYLAR (R).

CURRENT LIMITING FUSE

IMPROVED CURRENT LIMITING FUSE A fuse that includes an insulative housing made from two housing pieces made of thermoplastic material, terminals extending through slots in the ends of the housing, and a fusible element having ends connected to both of the terminals. The housing includes a tubular portion and slotted end portions located at each of the two ends of the tubular ...

Surface mount fuse and a structure with surface mount fuse

A surface mount fuse and structure with surface mount fuse are disclosed. Since a nonconductive member formed of a ceramic material with excellent mechanical strength and a ceramic tube are used and the ceramic tube is joined to sealing electrodes by use of brazing rings, durability of the fuse is considerably improved. The fuse may be stably used at a high voltage by improving time-lag characteristics.

Miniature fuse

A miniature cartridge-type fuse comprises a sub-assembly of an inner insulating housing made of a transparent glass or glass-like material which cannot withstand the forces of a short circuit overload, and end cap terminals at the ends of the housing. A transparent encapsulating body is preferably molded immovably around the inner housing and covers, seals and physically interconnects the exposed exterior surfaces of the inner housing and terminals. The encapsulating body prevents the hazardous destruction of the fuse under all overload conditions and enables the fuse element to be seen through the encapsulation body and inner housing.

Elektrische und elektronische Bauteile aus Polybutylen-Naphthalat

A subsea fuse assembly

A subsea fuse assembly. The subsea fuse assembly comprises an enclosure (11) filled with a dielectric fluid(80) and provided with an equalization opening (22, 32), which is sealed with a flexible element (40). A first electric conductor (61) extends into the enclosure through a first lead-through (70) positioned in a wall (15) of the enclosure. A second electric conductor (62) is attached to an inner surface of a wall (14) of the enclosure. A fuse (50) is connected between the first electric conductor and the second electric conductor within the enclosure. A third electric conductor (63) extends outside the enclosure and is attached to an outer surface of a wall of the enclosure. An electrically conductive path is thus provided between the second electric conductor and the third electric conductor through the electrically conductive enclosure.

ELECTRICAL AND ELECTRONIC PARTS FORMED OF POLYBUTYLENE NAPHTHALENEDICARBOXYLATE

Protection element

This protective component (100) has: a fuse element (3); an insulating inorganic fibrous item (4) that is positioned near or touching at least a section of the fuse element (3); and a case member (5) in which a section of the fuse element (3) and the insulating inorganic fibrous item (4) are enclosed.

Separating Device For A Surge Arrester And Arrangement

A separating device for a surge arrester has a housing and a fuse is arranged in the housing. There is also described an arrangement that includes a surge arrester and a separating device as described. 116-. (canceled)17. A separating device for a surge arrester , the separating device comprising:a housing; anda fuse disposed in said housing.18. The separating device according to claim 17 , wherein said fuse claim 17 , for the purpose of a tripping event claim 17 , comprises an electrical conductor configured to melt as a result of a heating effect of a current flow claim 17 , and also an insulating material which encloses said electrical conductor.19. The separating device according to claim 17 , wherein said housing at least partially comprises a glass fiber-reinforced plastic.20. The separating device according to claim 17 , further comprising an insulating sleeve with leakage path-extending shields arranged on said housing.21. The separating device according to claim 20 , wherein said insulating sleeve at least partially comprises silicone rubber.22. The separating device according to claim 17 , further comprising a first connecting device disposed at a first end of the separating device in order to connect the separating device to a suspension.23. The separating device according to claim 22 , further comprising a second connecting device disposed at a second end of the separating device in order to connect the separating device to a surge arrester.24. The separating device according to claim 23 , wherein said second connecting device is configured to form an angle of between 10° and 170° between the separating device and the surge arrester.25. The separating device according to claim 24 , wherein said second connecting device forms a substantially right angle between the separating device and the surge arrester.26. The separating device according to claim 17 , wherein said fuse is configured to break a current path before a maximum short-circuit current is ...

TEMPERATURE SENSITIVE PELLET-TYPE THERMAL FUSE

Provided is a temperature-sensitive pellet-type thermal fuse having excellent reliability including an insulation property after having operated. The fuse includes, in a tubular case with high electrical conductivity and high thermal conductivity, at least a temperature-sensitive pellet being capable of melting and softening at a specific temperature, a strong compression spring pressing the temperature-sensitive pellet, an insulating lid body closing an end portion of an opening of the tubular case, a weak compression spring being in contact with the insulating lid body, a first lead having an inner end penetrating the insulating lid body as a stationary contact, and a movable contact electrically connected to the first lead and the tubular case, and further includes a second lead disposed at an end of the tubular case.

CUT-OUT FUSE TUBE

The present invention concerns improvements in the use of polyester materials in arc quenching applications, particularly in the cutout fuse tube industry. In one embodiment of the present invention a fuse tube is disclosed as comprising a laminate two-layered structure including as its inner layer, (or liner), a heat-treated polyester filament winding supported in a cured cyclo-aliphatic epoxy resin matrix. The outer layer includes wound glass filaments supported within a cured epoxy resin matrix. The heat treatment of the polyester filament substantially improves the mechanical and electrical character of the fuse tube.

ELECTRICAL AND ELECTRONIC PARTS FORMED OF POLYBUTYLENE NAPHTHALENEDICARBOXYLATE

An electrical or electronic part having excellent resistance to moist heat, such as a coil bobbin, a condenser case, an IC carrier, a plug, a socket or a fuse case, formed from a polybutylene naphthalenedicarboxylate resin as a raw material; and a flame-retardant resin composition and an electrical part therefrom are also provided. The flame-retardant resin composition exhibits high fluidity and forms little burr, and the electrical part has excellent flame retardancy and well-balanced properties.

FUSE

The present invention relates to a fuse. The purpose of the present invention is to discharge rapidly pressure inside a fuse to the outside. The fuse of the present invention has an appearance by combining a first housing (10) and a second housing (20). Inside inner spaces (10′, 20′) of the first housing (10) and the second housing (20), a fusing part (36) of a fuse element (30) is located. A first terminal unit (31) and a second terminal unit (32) placed on both end portions of the fuse element (30) are exposed to the outside of the first housing (10) and the second housing (20) to be electrically connected to the outside. The first housing (10) and the second housing (20) move in a sliding manner to be coupled. To this end, the first housing (10) has a first coupling rib (14) and a first coupling channel (16), and the second housing (20) has a second coupling channel (24) where the first coupling rib (14) is inserted to slide, and a second coupling rib (26) which is inserted into the ...

Fusível

Improved circuit structure for short circuit protection

Surface mount fuse and a structure with surface mount fuse

Fuse device

Provided is a fuse device which is capable of increasing the rating by lowering the resistance of a fuse element, and capable of achieving a reduction in size. The present invention is provided with a fuse element 2, and a cooling member 3. The fuse element 2 is provided with: a low thermal conduction portion 7 which has a relatively low thermal conductivity, and in which a breaking portion 9 that melts and breaks as a result of heat is separated from the cooling member 3; and high thermal conduction portions 8 which are located in areas excluding the breaking portion 9, are in contact with or close to the cooling member 3, and have a relatively high thermal conductivity.

High-current fuse with endbell assembly

A fuse including a fuse body defining an inner cavity and having at least one fuse body aperture formed therethrough, a fuse element including a first terminal and a second terminal, a first endbell and a second endbell coupled to the fuse element, the first endbell having at least two grooves formed in a surface thereof and having a first O-ring seal disposed in at least one of the grooves, the second endbell having at least two grooves formed in a surface thereof and having a second O-ring seal disposed in at least one of the grooves, an adhesive securing the first and second endbells to the fuse body, an arc quenching material disposed within the inner cavity and contacting at least a portion of the fuse element, and end caps coupled to the fuse body, the end caps sealing a portion of the fuse element within the fuse body.

A SUBSEA FUSE ASSEMBLY

Kleinsicherung und Verfahren zum Herstellen hiervon

Offenbart sind eine Kleinsicherung und ein Verfahren zum Herstellen derselben. Ein Deckel, welcher aus einem duroplastischen Harz gebildet ist, ist mit einer Basis verbunden, um ein Sicherungselement darin aufzunehmen. Das Sicherungselement richtet an dem Deckel keinen Schaden an, selbst wenn das Sicherungselement eine innere Wand des Deckels aufgrund einer Reduktion der Große des Deckels kontaktiert.

CURRENT-LIMITING FUSE AND HOUSING ARRANGEMENT

A current-limiting device is provided that defines a cavity of predetermined dimensions and an elongated circuitous path through the cavity. The device also includes provisions for supporting a current-limiting fusible element along the path. The cavity is filled with a pulverulent arc-quenching filler material. To increase the heat- withstand capabilities of the current-limiting device, heat withstand facilities are provided between the portions of the circuitous path to maximize the length of the path while minimizing the corresponding volume of the device, e.g. via heat resistant materials, the addition of heat shielding materials to the cavity-defining device structure or the structure of support portions of the cavity-defining structure. In one specific arrangement, the path of the fusible element is defined by one or more U- shaped sections. The fusible element includes a configuration of steps or bends along its length to maximize the path length of the fusible element.

POLYAMIDE RESIN COMPOSITION FOR FUSE DEVICE

A polyamide resin composition for a fuse device comprising 95 to 5 mass % of a poly amide copolymer (A) and 5 to 95 mass % of a polyamide homopolymer (B); the above polyamide resin composition for a fuse device which further comprises a silicate layer (C) comprising a swelling sheet silicate being dispersed therein in the molecular state defined in the specification, in a content of 0.1 to 20 mass %; and a fuse device which has a housing, a pair of terminals being projected from a given face of the housing and arranged in parallel, and a material capable of fusing connected between the base end sides of the terminals being housed in the housing, wherein the housing is made of the above polyamide resin composition.

FUSE FOR AUTOMOBILE

A fuse for an automobile having a housing manufactured by the injection molding of a polyamide resin composition, wherein the polyamide resin composition constituting the housing has a heat of crystal melting of 40 J/g or more, as measured by means of a differential scanning calorimeter, and exhibits an average diameter of spherulites thereof of 0.5 μm or less, as measured by the observation by means of a polarization optical microscope.

HIGH-CURRENT FUSE WITH ENDBELL ASSEMBLY

A fuse including a fuse body defining an inner cavity and having at least one fuse body aperture formed therethrough, a fuse element including a first terminal and a second terminal, a first endbell and a second endbell coupled to the fuse element, the first endbell having at least two grooves formed in a surface thereof and having a first O-ring seal disposed in at least one of the grooves, the second endbell having at least two grooves formed in a surface thereof and having a second O-ring seal disposed in at least one of the grooves, an adhesive securing the first and second endbells to the fuse body, an arc quenching material disposed within the inner cavity and contacting at least a portion of the fuse element, and end caps coupled to the fuse body, the end caps sealing a portion of the fuse element within the fuse body. 1. A fuse , comprising:a fuse body defining an inner cavity and having at least one fuse body aperture formed therethrough;a fuse element including a first terminal and a second terminal, a portion of the fuse element disposed within the inner cavity, the first terminal and the second terminal extending outside of the fuse body;a first endbell and a second endbell coupled to the fuse element, the first endbell having at least two grooves formed in a surface thereof and having a first O-ring seal disposed in at least one of the grooves, the second endbell having at least two grooves formed in a surface thereof and having a second O-ring seal disposed in at least one of the grooves;an adhesive securing each of the first endbell and the second endbell to the fuse body;an arc quenching material disposed within the inner cavity, the arc quenching material contacting at least a portion of the fuse element; andend caps coupled to the fuse body, the end caps sealing a portion of the fuse element within the fuse body.2. The fuse of claim 1 , wherein the first and second O-ring seals engage an interior of the fuse body and provide seals intermediate the ...

Fuse for automobile

A fuse for an automobile having a housing manufactured by the injection molding of a polyamide resin composition, wherein the polyamide resin composition constituting the housing has a heat of fusion of 40 J/g or more, as measured by means of a differential scanning calorimeter, and exhibits an average diameter of spherulites of 0.5 mum or less, as measured by the observation by means of a polarization optical microscope.

Mechanical reinforcement structure for fuses

A fuse includes an electrical assembly and a fuse tube assembly. The electrical assembly has two electrical contacts accessible from the exterior of the fuse and a fuse element in contact with the two electrical contacts. The fuse tube assembly includes a support structure surrounding at least a portion of the electrical assembly and a reinforcing structure formed over the support structure and in contact with at least a portion of the electrical assembly. The reinforcing structure is made of a fiber matrix pre-impregnated with a resin.

Lightweight electric fuse

An electric fuse 10 comprises two terminals 12,14 attached to a housing having an outer wall 22 and an inner wall 24 defining an internal space 26, and at least one fusible element 16 having two ends each connected to a respective terminal. The housing is made from a plastics material such as a thermally conductive resin or polyphenylene sulphide (PPS) and comprises at least one cooling channel 28 between the inner wall and outer wall. The housing may be made of two parts: a ‘case’ 18 and a ‘cover’ 20 which may attach to each other through a tongue and groove arrangement. The housing may comprise an opening 30 for filling an insulating material, such as sand, into the internal space. A protector 32 may be insertable between the inner wall and the fusible element(s) and may be made from an arc-retardant and/or heat carrying material such as ceramics. The protector may comprise a tube for holding a fusible element. The cooling channel may extend nearly in parallel to the fusible element and ...

CUT-OUT FUSE TUBE

CURRENT-LIMITING FUSE AND HOUSING ARRANGEMENT

A current-limiting device is provided having a low profile configuration (generally flat polyhedron) that defines a cavity of predetermined dimensions and an elongat ed circuitous path through the cavity. The device also includes provisions for supporting a current-limiting fusible element along the path. The cavity is filled with a pulverulent arc- quenching filler material. In one specific arrangement, the path of the fusible element is defined by one or more U-shaped sections substantially spanning the length or width of the cavity. The fusible element is arranged in a predetermined geometry to include a length of the fusible element that is longer than the overall straight-line path via a configuration of steps o r bends along its length.

BLADE FUSE

A compact fuse (1) for car, comprising a fuse element (2) and an insulated housing (3) having cutouts (8), the fuse element further comprising a pair of platy substrates (4) and a fused part (5) for connecting the platy substrates to each other, wherein the fused part is stored in the housing, a part of the platy substrates are exposed to the outside of the housing, and the overall length of each of the platy substrates is the sum of the length (A) of the fused part along the longitudinal direction of the platy substrate, the dimension (B) of a recessed part (4c) along the longitudinal direction of the platy substrate, and the length (C) of a cover support part along the longitudinal direction of the platy substrate. © KIPO & WIPO 2007 ...

KLINGENSICHERUNG

FUSE TUBE AND METHOD OF MANUFACTURE THEREOF

An arc-quenching composition is provided including a filler, a fiber and a binder. Preferably, the filler includes an arc-quenching compound such as melamine. The binder includes a thermosetting resin to facilitate forming of the arc-quenching composition into an arc-quenching fuse tube. In a preferred arrangement, an outer tube is formed over the arcquenching fuse tube to provide an overall high-strength fuse tube. Also in a preferred arrangement, in order to provide a fuse tube that is capable of operation over an extremely wide current range, the inner arc-quenching tube includes a tapered bore. According to one fabrication technique, the outer tube is formed over the arc-quenching inner tube before the curing of the inner tube such that a single structure results.

BLADE FUSE

A compact fuse (1) for car, comprising a fuse element (2) and an insulated housing (3) having cutouts (8), the fuse element further comprising a pair of platy substrates (4) and a fused part (5) for connecting the platy substrates to each other, wherein the fused part is stored in the housing, a part of the platy substrates are exposed to the outside of the housing, and the overall length of each of the platy substrates is the sum of the length (A) of the fused part along the longitudinal direction of the platy substrate, the dimension (B) of a recessed part (4c) along the longitudinal direction of the platy substrate, and the length (C) of a cover support part along the longitudinal direction of the platy substrate.

Small fuse and manufacturing method thereof

BLADE FUSE

Method of making an encapsulated fuse and the fuse made thereby

Disconnecting device for a surge arrester and arrangement

The present invention relates to a disconnecting device for a surge arrester, comprising a housing, characterized in that a fuse is arranged in the housing. The invention also relates to an arrangement comprising a surge arrester and the claimed disconnecting device.

FUSE FOR AUTOMOBILE

A fuse for an automobile having a housing manufactured by the injection molding of a polyamide resin composition, wherein the polyamide resin composition constituting the housing has a heat of crystal melting of 40 J/g or more, as measured by means of a differential scanning calorimeter, and exhibits an average diameter of spherulites thereof of 0.5 .mu.m or less, as measured by the observation by means of a polarization optical microscope.

POLYAMIDE RESIN COMPOSITION FOR FUSE ELEMENT AND FUSE ELEMENT

A polyamide resin composition for a fuse element which comprises 100 parts by mass of a mixed polyamide comprising 95 to 5 mass % of (A) polycaproamide (nylon 6) and 5 to 95 mass % of (B) polyhexamethylene adipamide (nylon 66) and, dispersed in the above (A) and/or (B) at a molecular level, 0.1 to 20 parts by mass of (C) a silicate layer of a layered silicate; the polyamide resin composition for a fuse element which further comprises (D) an antioxidant, (E) a metal soap type of lubricant and/or (F) an inorganic and fibrous reinforcing material; and a fuse element using the polyamide resin composition. The polyamide resin composition for a fuse element exhibits an arc resistance sufficient to respond to the employment of an elevated voltage in an vehicle (e.g, a 42 V system), and is excellent in rigidity, heat resistance and transparency.

FUSE TUBE AND METHOD OF MANUFACTURE THEREOF

An arc-quenching composition is provided including a filler, a fiber and a binder. Preferably, the filler includes an arc-quenching compound such as melamine. The binder includes a thermosetting resin to facilitate forming of the arc-quenching composition into an arc-quenching fuse tube. In a preferred arrangement, an outer tube is formed over the arc- quenching fuse tube to provide an overall high-strength fuse tube. Also in a preferred arrangement, in order to provide a fuse tube that is capable of operation over an extremely wide current range, the inner arc-quenching tube includes a tapered bore. According to one fabrication technique, the outer tube is formed over the arc-quenching inner tube before the curing of the inner tube such that a single structure results.

MONITORING SYSTEMS AND METHODS FOR DETECTING THERMAL-MECHANICAL STRAIN FATIGUE IN AN ELECTRICAL FUSE

POLYAMIDE RESIN COMPOSITION FOR FUSE ELEMENT AND FUSE ELEMENT

A polyamide resin composition for a fuse element which comprises 100 parts by mass of a mixed polyamide comprising 95 to 5 mass % of (A) polycaproamide (nylon 6) and 5 to 95 mass % of (B) polyhexamethylene adipamide (nylon 66) and, dispersed in the above (A) and/or (B) at a molecular level, 0.1 to 20 parts by mass of (C) a silicate layer of a layered silicate; the polyamide resin composition for a fuse element which further comprises (D) an antioxidant, (E) a metal soap type of lubricant and/or (F) an inorganic and fibrous reinforcing material; and a fuse element using the polyamide resin composition. The polyamide resin composition for a fuse element exhibits an arc resistance sufficient to respond to the employment of an elevated voltage in an vehicle (e.g, a 42 V system), and is excellent in rigidity, heat resistance and transparency.

PRESSURE RESISTANT HOUSING FOR AN ELECTRIC COMPONENT

Pressure resistant housing for an electric component A pressure resistant housing for an electric component is provided. The pressure resistant housing is adapted for the use in a subsea application. A ceramic housing body houses the electric component. The ceramic housing body has a first opening and a second opening which are closed by a first metal lid and a second metal lid, respectively.

Cut-out fuse tube

The present invention concerns improvements in the use of polyester materials in arc quenching applications, particularly in the cutout fuse tube industry. In one embodiment of the present invention a fuse tube is disclosed as comprising a laminate two-layered structure including as its inner layer, (or liner), a heat-treated polyester filament winding supported in a cured cyclo-aliphatic epoxy resin matrix. The outer layer includes wound glass filaments supported within a cured epoxy resin matrix. The heat treatment of the polyester filament substantially improves the mechanical and electrical character of the fuse tube.

MONITORING SYSTEMS AND METHODS FOR ESTIMATING THERMAL-MECHANICAL FATIGUE IN AN ELECTRICAL FUSE

Thermal-mechanical fatigue assessment systems and methods include a controller operable to estimate a temperature of the conductor having a non-linear resistance based on an ambient temperature input and a current input for current flow through the conductor when connected to an energized electrical power system. A state of fatigue of the conductor may be assessed in view of an estimated first temperature differential between the conductor and an arc extinguishing medium surrounding the conductor, an estimated temperature differential between the temperature of the arc quenching medium and the ambient temperature, and the estimated temperature of the conductor.

KLINGENSICHERUNG

Fuse tube and method of manufacture thereof

BLADE FUSE

A compact fuse (1) for an automobile is provided. The fuse is formed by a fuse element (2) and an insulative housing (3) having a cutaway portion (8). The fuse element includes two base plates (4) and a melting portion (5) connecting the base plates. The melting portion is accommodated in the housing and parts of the base plates are exposed from the housing. The length of the base plate is the sum of the length (A) of the melting portion in the longitudinal direction of the base plate, the length (B) of a notch (4c) in the longitudinal direction of the base plate, and the length (C) of a cover supporting portion in the longitudinal direction of the base plate.

BATTERY FUSE ASSEMBLY

A fuse includes a fusible element and a body member encased within a heat- resistant housing. The fusible element is configured to open an electri cal circuit coupled to a storage battery in response to an over-current in the electrical circuit. The housing is configured to contain an arc generated by the fusible element in response to the over-current and to shield the arc and the fusible element from ambient particles. Thus, the fuse is ignition protected. The body member includes an insulating material configured to interrupt the arc. The housing includes an opening configured to receive a terminal of the storage battery or a terminal of a mounting plate. An insulating material disposed about a first end of the mounting plate terminal is configured to electrically isolate the fuse and a power supply cable in the electrical circuit from the mounting plate terminal.

CURRENT-LIMITING FUSE AND HOUSING ARRANGEMENT

A current-limiting device is provided having a low profile configuration (generally flat polyhedron) that defines a cavity of predetermined dimensions and an elongated circuitous path through the cavity. The device also includes provisions for supporting a current-limiting fusible element along the path. The cavity is filled with a pulverulent arc-quenching filler material. In one specific arrangement, the path of the fusible element is defined by one or more U-shaped sections substantially spanning the length or width of the cavity. The fusible element is arranged in a predetermined geometry to include a length of the fusible element that is longer than the overall straight-line path via a configuration of steps or bends along its length.

TEMPERATURE-SENSITIVE PELLET TYPE THERMAL FUSE

Fuse end cap

Polyamide resin ncomposition for fuse device, and fuse device

Fuse element and method of application thereof

The present invention is to provide a polyamide resin composition for fuse elements, assuring sufficient arc resistance upon boosting of vehicles voltage (e.g., 42V system), being excellent in rigidity, heat resistance and transparency. The present invention relates to a polyamide resin composition for fuse elements, comprising: a mixed polyamide 100 parts by mass consisting of (A) polycaproamide (nylon 6) 95 to 5% by mass and (B) poly (hexamethylene adipamide) (nylon 66) 5 to 95% by mass; and (C) a silicate layer of lamellar silicate 0.1 to 20 parts by mass dispersed on molecular order level in the above described (A) and/or (B). The polyamide resin composition may further contain (D) an antioxidant, (E) a metal soap based lubricant, and/or (F) an inorganic fibrous reinforcing material are contained. The present invention also relates to a fuse element formed from the polyamide resin composition for fuse elements.

BATTERY FUSE ASSEMBLY

A fuse includes a fusible element and a body member encased within a heat- resistant housing. The fusible element is configured to open an electri cal circuit coupled to a storage battery in response to an over-current in the electrical circuit. The housing is configured to contain an arc generated by the fusible element in response to the over-current and to shield the arc and the fusible element from ambient particles. Thus, the fuse is ignition protected. The body member includes an insulating material configured to interrupt the arc. The housing includes an opening configured to receive a terminal of the storage battery or a terminal of a mounting plate. An insulating material disposed about a first end of the mounting plate terminal is configured to electrically isolate the fuse and a power supply cable in the electrical circuit from the mounting plate terminal.

FUSE LINK AUXILIARY TUBE IMPROVEMENT

A fuse link auxiliary tube comprises at least one inner layer of paper, at least one layer of polymer film over the at least one inner layer of paper, and at least one outer layer of paper over the at least one layer of polymer film. The at least one inner layer of paper, the at least one layer of polymer film, and the at least one outer layer of paper are wound into a tube shape. An acrylate or acetate layer over the at least one outer layer of paper may be used to structurally reinforce the fuse link auxiliary tube. The paper may be high dielectric strength Kraft paper, fish paper, etc. The polymer film may be polyester film, e.g., MYLAR (R).

Blade fuse

A compact fuse (1) for an automobile is provided. The fuse is formed by a fuse element (2) and an insulative housing (3) having a cutaway portion (8). The fuse element includes two base plates (4) and a melting portion (5) connecting the base plates. The melting portion is accommodated in the housing and parts of the base plates are exposed from the housing. The length of the base plate is the sum of the length (A) of the melting portion in the longitudinal direction of the base plate, the length (B) of a notch (4c) in the longitudinal direction of the base plate, and the length (C) of a cover supporting portion in the longitudinal direction of the base plate.

FUSE TUBE AND METHOD OF MANUFACTURE THEREOF

An arc-quenching composition is provided including a filler, a fiber and a binder. Preferably, the filler includes an arc-quenching compound such as melamine. The binder includes a thermosetting resin to facilitate forming of the arc-quenching composition into an arc-quenching fuse tube. In a preferred arrangement, an outer tube is formed over the arc-quenching fuse tube to provide an overall high-strength fuse tube. Also in a preferred arrangement, in order to provide a fuse tube that is capable of operation over an extremely wide current range, the inner arc-quenching tube includes a tapered bore. According to one fabrication technique, the outer tube is formed over the arc-quenching inner tube before the curing of the inner tube such that a single structure results.

Mechanical reinforcement structure for fuses

A fuse includes an electrical assembly and a fuse tube assembly. The electrical assembly has two electrical contacts accessible from the exterior of the fuse and a fuse element in contact with the two electrical contacts. The fuse tube assembly includes a support structure surrounding at least a portion of the electrical assembly and a reinforcing structure formed over the support structure and in contact with at least a portion of the electrical assembly. The reinforcing structure is made of a fiber matrix pre-impregnated with a resin.

HIGH BREAKING CAPACITY CHIP FUSE

A high breaking capacity chip fuse including a bottom insulative layer, a first intermediate insulative layer, a second intermediate insulative layer, and a top insulative layer disposed in a stacked arrangement in the aforementioned order, a fusible element disposed between the first and second intermediate insulative layers and extending between electrically conductive first and second terminals at opposing longitudinal ends of the bottom insulative layer, the first intermediate insulative layer, the second intermediate insulative layer, and the top insulative layer, wherein the first and second intermediate insulative layers are formed of porous ceramic.

Schmelzsicherung

Fuse end cap

Fuse having improved fuse housing

POLYAMIDE RESIN COMPOSITION FOR FUSE ELEMENT AND FUSE ELEMENT

A polyamide resin composition for a fuse element which comprises 100 parts by mass of a mixed polyamide comprising 95 to 5 mass % of (A) polycaproamide (nylon 6) and 5 to 95 mass % of (B) polyhexamethylene adipamide (nylon 66) and, dispersed in the above (A) and/or (B) at a molecular level, 0.1 to 20 parts by mass of (C) a silicate layer of a layered silicate; the polyamide resin composition for a fuse element which further comprises (D) an antioxidant, (E) a metal soap type of lubricant and/or (F) an inorganic and fibrous reinforcing material; and a fuse element using the polyamide resin composition. The polyamide resin composition for a fuse element exhibits an arc resistance sufficient to respond to the employment of an elevated voltage in an vehicle (e.g, a 42 V system), and is excellent in rigidity, heat resistance and transparency. © KIPO & WIPO 2007 ...

A small fuse and manufacturing method of it'

IMPROVED ELECTRIC CURRENT LIMITING FUSE

PURPOSE: To provide a fuse made of a thermoplastic material with a lessened number of part items through a simplified assembling process. CONSTITUTION: This fuse 10 comprises an insulating housing, a terminal extended through a gap in a bottom part of the housing, and a fusible element 18 having end parts connected to both ends of the terminal 16. The housing comprises a box 12 having a closed top part, an opened bottom part, and four side faces and a cover 14 smaller than the opened bottom part of the box 12 to close the opened bottom part of the box 12 and two gaps 30 are formed in both end parts of the bottom of the housing when the cover 14 is closed. COPYRIGHT: (C)1995,JPO ...

The automatic borrowing fuse where the broken wire at the time of color changes and the manufacturing method

전기 퓨즈에서 열-기계적 변형 피로를 검출하는 모니터링 시스템 및 방법

... 전기 퓨즈(100, 200, 352)에 있어서 열-기계적 변형 피로를 검출하는 시스템 및 방법은, 여기된 전력 시스템에 퓨즈(100, 200, 352)가 연결되어 있는 동안 적어도 하나의 퓨즈 피로 매개변수를 일정 기간 동안 모니터링 하도록 구성된 제어기(362)를 포함하며, 상기 제어기(722)는 모니터링된 적어도 하나의 상기 퓨즈 피로 매개변수를 기초로, 상기 퓨즈 소자의 소모 수명 또는 상기 퓨즈 소자의 잔여 수명 중 적어도 하나를 결정(726, 728)하도록 더 구성된다.

FUSIBLE LINK

A fusible link (1) includes: an elongated conducting body (10) having wire parts (15) provided at both end portions in a longitudinal direction of the conducting body (1), and a fusion-cutting part (11) provided at an intermediate portion of the conducting body (1) in the longitudinal direction, the fusion-cutting part (11) being formed by a rolling process so as to have a cross section smaller than each of cross sections of the wire parts (15) and being fusible by flow of current having a predetermined value; a low-fusing-point metal body (13) welded to the fusion-cutting part (11) and having a lower fusing point than the conducting body (10); and a fire-proof insulating body (12) configured to cover at least the fusion-cutting part (11) and the low-fusing-point metal body (13).

Elektrische Sicherungseinrichtung mit verbesserter Auslösecharakteristik

Elektrische Sicherungseinrichtung (1) mit einem Sicherungsgehäuse (2) und einem darin angeordneten Schmelzleiter (7), wobei- das Sicherungsgehäuse (2) luftdicht oder gasdicht ausgeführt ist,- ein elektrisch leitender sowie blechförmiger, erster und zweiter Kontaktfuß (3, 4) luftdicht oder gasdicht an dem Sicherungsgehäuse (2) gehalten sind und sich in dieses hinein erstrecken,- der erste Kontaktfuß (3) mit einem ersten elektrischen Leiter (5) und der zweite Kontaktfuß (4) mit einem zweiten elektrischen Leiter (6) stoffschlüssig verbunden sind, und- zwischen den beiden Leitern (5, 6) der drahtförmige Schmelzleiter (7) gehalten ist, dadurch gekennzeichnet, dass die Leiter (5, 6) zur Einstellung der Auslösekennlinie der Sicherungseinrichtung (1) kurvig ausgestaltet sind.

Fuse tube and method of manufacture thereof

전류 퓨즈

... 본 발명은 정격을 향상시킴과 함께, 아크 방전에 수반하는 금속의 폭발적인 비산을 방지할 수 있으며, 확실히 회로를 차단할 수 있는 전류 퓨즈를 제공한다. 전류 퓨즈(1)는, 절연 기판(2)과, 절연 기판(2)에 설치된 메인 퓨즈 소자(3)와, 절연 기판(2)에 설치되고 메인 퓨즈 소자(3)보다도 융점이 높은 서브 퓨즈 소자(4)를 갖고, 메인 퓨즈 소자(3)와 서브 퓨즈 소자(4)가 병렬로 접속되어 있다.

POLYAMIDE RESIN COMPOSITION FOR FUSE DEVICE

A polyamide resin composition for a fuse device comprising 95 to 5 mass % of a poly amide copolymer (A) and 5 to 95 mass % of a polyamide homopolymer (B); the above polyamide resin composition for a fuse device which further comprises a silicate layer (C) comprising a swelling sheet silicate being dispersed therein in the molecular state defined in the specification, in a content of 0.1 to 20 mass %; and a fuse device which has a housing, a pair of terminals being projected from a given face of the housing and arranged in parallel, and a material capable of fusing connected between the base end sides of the terminals being housed in the housing, wherein the housing is made of the above polyamide resin composition. © KIPO & WIPO 2007 ...

Chip fuse and method of manufacturing same

Provided is a chip fuse which maintains the same level of fusing characteristics as conventional ones and is highly safe in that an increase in an internal resistance value can be sufficiently decreased. The chip fuse comprises an insulating substrate provided with a glaze layer, a fuse film provided with a narrow fusing portion provided on the glaze layer, surface electrodes formed at both end portions of the upper surface of the fuse film, a glass film provided on at least the upper surface of the fuse film, an overcoat film consisting of a resin layer which covers the glass film and the fuse film provided with the glass film, and end surface electrodes, and has a structure in which the glass film is provided in contact with the portion of the upper surface of the fuse film on which no surface electrode is formed and the overcoat film is provided in contact with the side surfaces of the fuse film.

MECHANICAL REINFORCEMENT STRUCTURE FOR FUSES

A fuse includes an electrical assembly and a fuse tube assembly. The electrical assembly has two electrical contacts accessible from the exterior of the fuse and a fuse element in contact with the two electrical contacts. The fuse tube assembly includes a support structure surrounding at least a portion of the electrical assembly and a reinforcing structure formed over the support structure and in contact with at least a portion of the electrical assembly. The reinforcing structure is made of a fiber matrix pre-impregnated with a resin.

Fuse device

A fuse device includes a fuse element and a cooling member, wherein the fuse element includes a low thermal conductivity portion having a relatively low thermal conductivity in which an interrupting portion that is blown out by heat is separated from the cooling member, and a high thermal conductivity portion having a relatively high thermal conductivity, provided in a portion other than the interrupting portion, and in contact with or close to the cooling member.

High breaking capacity chip fuse

A high breaking capacity chip fuse including a bottom insulative layer, a first intermediate insulative layer, a second intermediate insulative layer, and a top insulative layer disposed in a stacked arrangement in the aforementioned order, a fusible element disposed between the first and second intermediate insulative layers and extending between electrically conductive first and second terminals at opposing longitudinal ends of the bottom insulative layer, the first intermediate insulative layer, the second intermediate insulative layer, and the top insulative layer, wherein the first and second intermediate insulative layers are formed of porous ceramic.

Current limiting fuses

Strombegrenzungssicherungen

POLYAMIDE RESIN COMPOSITION FOR FUSE DEVICE

AUTOMOBILE FUSE WHICH CHANGES COLOR WHEN SHORT CIRCUITED, AND PREPARATION METHOD THEREOF

The present invention relates to an automobile fuse wherein short circuit of the fuse can be easily identified by naked eye through change of color when a fuse short circuits, and provides an automobile fuse manufacturing method, comprising: the fuse body material mixing step (S1) of mixing 96-99 wt% colored plastic powder and 1-4 wt% transparent irreversible thermochromic pigment powder to prepare a mixture material; the fuse body molding step (S2) of melting the mixture material in an injection molding machine to mold a fuse body containing a thermochromic pigment component in an injection mold at an injection temperature of 300-310 ℃ and an injection pressure of 1200-1600 kgf/cm2; the fuse body drying step (S3) of drying the fuse body containing a thermochromic pigment component at 100-200 ℃ for 3-5 hours to reduce the water content of the fuse body to 0.1 wt% or less; and the fuse assembling step (S4) of inserting a fuse where a fuse member is fixed between a pair of terminal members ...

Current limiting fuse

A fuse that includes an insulating housing made from two housing pieces made of thermoplastic material, terminals extending through slots in the ends of the housing, and a fusible element having ends connected to both of the terminals. The housing includes a tubular portion and slotted end portions located at each of the two ends of the tubular portion. Each of the terminals has an internal portion inside the housing to which a fusible element is attached, an external portion outside of the housing, and a middle portion between the internal and external portions and located within one of the slots.

Abschaltelement und Überspannungsschutzanordnung

Dargestellt und beschrieben ist ein Abschaltelement (1) zur elektrischen Abtrennung eines elektrischen Bauelements oder zur Auftrennung eines Stromkreises bei Überlastung, mit zwei Anschlusskontakten (2, 3), mit einem isolierenden Gehäuse (4) und mit einem innerhalb des isolierenden Gehäuses (4) angeordneten Schmelzleiter (5), wobei im Normalzustand des Abschaltelements (1) die beiden Anschlusskontakte (2, 3) über den Schmelzleiter (5) elektrisch leitend miteinander verbunden sind.Bei dem erfmdungsgemäßen Abschaltelement (1) ist eine sichere Abtrennung eines elektrischen Bauelements, insbesondere einer Überspannungsanordnung, dadurch möglich, dass das isolierende Gehäuse (4) aus zwei miteinander verbundenen Teilen (6, 7) besteht, wobei der erste Teil (6) des Gehäuses (4) im Überlastfall vom zweiten Teil (7) des Gehäuses (4) abtrennbar ist, so dass die Verbindung der beiden Anschlusskontakte (2, 3) über den Schmelzleiter (5) getrennt ist.

FUSES

Electric power fuse

Moderately hazardous environment fuse

A fuse for a moderately hazardous environment comprising includes: (i) a fuse element; (ii) first and second terminals connected to the fuse element; and (iii) a metal enclosure placed around the fuse element, the enclosure configured to protect the environment from an opening of the fuse element, and wherein the first and second terminals extend from the metal enclosure.

POLYAMIDE RESIN COMPOSITION FOR FUSE ELEMENT AND FUSE ELEMENT

The present invention is to provide a polyamide resin composition for fuse elements assuring sufficient arc resistance upon enhancement of vehicles voltage (e.g., 42 V system), being excellent in rigidity, heat resistance and transparency. The present invention relates to a polyamide resin composition for fuse elements, comprising: a mixed polyamide 100 parts by weight consisting of (A) polycaproamide (nylon 6) 95 to 5% by weight and (B) poly (hexamethylene adipamide) (nylon 66) 5 to 95% by weight; and (C) a silicate layer of lamellar silicate 0.1 to 20 parts by weight dispersed on molecular order level in the above described (A) and/or (B). The polyamide resin composition may further contain (D) an antioxidant, (E) a metal soap based lubricant, and/or (F) an inorganic fibrous reinforcing material. The present invention also relates to a fuse element formed from the polyamide resin composition for fuse elements.

Small fuse and manufacturing method thereof

Disclosed are a small fuse and a method of manufacturing the same. A cover made from thermosetting resin is coupled with is a base to receive a fusing element therein. The fusing element does not cause damage to the cover even if the fusing element makes contact with an inner wall of the cover due to size reduction of the cover.

Fuse unit

A fuse unit includes a fuse element and an insulative resin part. The fuse element includes a power supply connecting part fixed to a battery post of a battery so as to receive power supply and arranged along an upper surface of the battery, a terminal connecting part to which a terminal is connected, and a fusible part provided between the power supply connecting part and the terminal connecting part. The insulative resin part is arranged on outer surface of the fuse element. The fuse element is bent upwards at a position between the power supply connecting part and the terminal connecting part. The terminal connecting part is arranged at a position above the upper surface of the battery and along a side surface direction of the battery.

Small fuse and manufacturing method thereof

Disclosed are a small fuse and a method of manufacturing the same. A cover made from thermosetting resin is coupled with is a base to receive a fusing element therein. The fusing element does not cause damage to the cover even if the fusing element makes contact with an inner wall of the cover due to size reduction of the cover.

Fuse unit

A fuse unit includes a bus bar and an insulating protection portion. The bus bar has a power supply connection portion, an output connection portion, and a terminal installation recess provided around the power supply connection portion. The insulating protection portion is disposed on an outer surface of the bus bar so that portions of a surface of the bus bar in the power supply connection portion, the output connection portion, and the terminal installation recess are exposed from the insulating protection portion.

CHIP-TYPE FUSE

A terminal-integrated fuse () includes two planar members (), () serving as terminals for mounting on a substrate. The two planar members (), () are spaced on a same horizontal plane. A fuse body () is located on a horizontal plane at a level different from the level of the said horizontal plane and between the planar members (), (). The fuse body () is formed integral with the planar members (), (). A casing () has side walls (), () and end walls (), () disposed around an opening. The fuse body () is positioned in the casing (), and the two planar members ( () are in contact with the end walls (), (), respectively. An arc suppressing material portion () is provided in the casing () in such a manner the fuse body () is embedded therein.

FUSE DEVICE

Provided is a fuse device used for high rating and high current applications excellent in impact resistance at the time of current interruption, and capable of preventing falling off of the case. The fuse device includes: a base member; a cover member fitted to the base member and covering a surface of the base member; and a fuse element mounted on the surface of the base member; wherein one of the base member and the cover member is provided with a side wall intersecting with the plane of the surface of the base member and including an opening formed therein, and the other of the base member and the cover member is provided with a fitting projection projecting outward from a plane intersecting with the plane of the surface of the base member and fitted into the opening of the side wall. 1. A fuse device comprising:a base member;a cover member fitted to the base member and covering a surface of the base member; anda fuse element disposed between the base member and the cover member;wherein one of the base member and the cover member is provided with a side wall intersecting with the plane of the surface of the base member and including an opening formed therein, and the other of the base member and the cover member is provided with a fitting projection projecting outward from a plane intersecting with the plane of the surface of the base member and fitted into the opening of the side wall.2. The fuse device according to claim 1 , wherein the base member or the cover member on which the fitting projection is formed is provided claim 1 , adjacent to the fitting projection claim 1 , with one or more of locking pieces projecting outward from a plane intersecting with the plane of the surface of the base member claim 1 , the one or more of locking pieces having claim 1 , at the distal end thereof claim 1 , a locking claw bulges in a direction perpendicular to the direction in which the fitting projection is inserted into the opening to be locked to the opening.3. The ...

Electric Fence Box Fuse System

A fuse system protects an electric fence box from lightning strikes that hit a fence connected to the electric fence box via the fuse system. The fuse system includes at least one fuse connecting an output terminal of the electric fence box to the electric fence and an optional second fuse connecting a ground terminal of the electric fence box to earth ground. Each fuse includes a filament at least 12 inches long inside a non-conductive tube (e.g., Mylar). A first lead connects a first end of the filament to the output terminal of the electric fence box, and a second lead connects a second end of the filament to the electric fence.

Fuse having an integrated measuring function, and fuse body

A fuse includes an integrated measuring function. In an embodiment, the fuse includes a fuse housing which in turn has a first receiving space delimited by a pressure body and a second receiving space which is spatially separated from the first receiving space and is delimited by a protective body, the first and second receiving spaces being arranged one behind the other in a direction of longitudinal extent. A fusible conductor is accommodated and mounted in the first receiving space and a measuring device is accommodated and mounted in the second receiving space. The measuring device has a current transformer and an electronic assembly which is electrically conductively connected to the current transformer. The current transformer and the electronic assembly are arranged one behind the other in the direction of longitudinal extent.

Fuse Unit

A fuse unit includes a fuse element which includes a fusible portion, a housing which accommodates the fuse element in a state that the fusible portion is exposed to an outside thereof, and a cover which is attached to the housing so as to cover the fusible portion. The cover includes a pair of side wall portions which is disposed so as to face each other with the fusible portion interposed therebetween, and a connection portion which connects the pair of side wall portions. The housing includes a guide wall which is configured to guide the cover toward the fusible portion when the cover is attached to the housing. The guide wall is inclined to a direction intersecting a separation direction in which the cover is separated from the housing. 1. A fuse unit comprising:a fuse element which includes a fusible portion;a housing which accommodates the fuse element in a state that the fusible portion is exposed to an outside thereof; anda cover which is attached to the housing so as to cover the fusible portion,wherein the cover includes a pair of side wall portions which is disposed so as to face each other with the fusible portion interposed therebetween, and a connection portion which connects the pair of side wall portions,the housing includes a guide wall which is configured to guide the cover toward the fusible portion when the cover is attached to the housing, andthe guide wall is inclined to a direction intersecting a separation direction in which the cover is separated from the housing.2. The fuse unit according to claim 1 , whereinthe housing includes an abutment portion which protrudes at a termination end portion of the guide wall in the separation direction, andthe fusible portion is interposed between the pair of side wall portions of the cover in a state that the cover and the abutment portion abut against each other. This application is based on Japanese Patent Application (No. 2016-158823) filed on Aug. 12, 2016, the contents of which are incorporated ...

FUSE ELEMENT AND FUSE

A fuse element for a fuse with an integrated measurement function, includes a first receiving area in an embodiment, for receiving a melting conductor of the fuse, delimited in the length direction of the fuse by a closure element and in a direction orthogonal to the length direction by the fuse element. Further, in an embodiment, the fuse element has a second receiving area, physically separated from the first receiving area, for receiving a measuring device of the fuse. The second receiving area is designed to receive the measuring device in a wall section of the fuse element. The second receiving area formed in the fuse element protects the measuring device arranged therein against interfering environmental influences. The measuring device is used to ascertain the electric current flowing through the fuse directly on the fuse.

DUAL ELEMENT FUSE AND METHODS OF MANUFACTURE

A dual element electrical fuse includes at least one high overcurrent fusible element and a low overcurrent fusible element connected to one another inside a housing. The low overcurrent fusible element includes a single sided circuit board and a releasable conductive element that more simply provides low overcurrent protection and manufacturing efficiency with improved quality. 1. An electrical fuse comprising:a housing; and a nonconductive substrate material including a first major surface and a second major surface opposite the first major surface;', 'a conductive layer provided on the first major surface of the nonconductive substrate material, the conductive layer defining a first conductive portion and a second conductive portion separated from one another; and', 'a releasable conductive element extending on the second major surface of the nonconductive substrate material, the releasable conductive element including a first end electrically connecting to the first conductive portion on the first major surface via a first fusible alloy and a second end electrically connecting to the second conductive portion on the first major surface via a second fusible alloy., 'at least one high overcurrent fusible element and a low overcurrent fusible element connected to one another inside the housing, wherein the low overcurrent fusible element comprises2. The electrical fuse of claim 1 , wherein the nonconductive substrate material includes a first opening extending through the nonconductive substrate material from the first major surface to the second major surface claim 1 , the first end of the releasable conductive element extending in the first opening.3. The electrical fuse of claim 2 , further wherein the first fusible alloy comprises a low melting point fusible material.4. The electrical fuse of claim 2 , wherein the nonconductive substrate material includes a second opening spaced from the first opening in the nonconductive substrate material claim 2 , the second ...

Hooked Fuse Barrel

A hooked fuse barrel, illustrates a cutout that mounts conventionally on utility poles includes an elongated fusible link contained within a fiber glass fuse barrel; a sieve attached to the upper end of the fuse barrel includes a pull ring which attaches to and extends outwardly from the said sleeve; a fiber glass hook is attached and extends outwardly engage with the switch device. Advantageously, a hooked fuse barrel selectively receiving a long stick for disengaging the fuse body from the connection assembly and cut the amount of work, time and effort needed to replace the fuse on the top of electrical transformer on electrical poles. 1. A hooked fuse barrel conventional mountained on utility poles comprising:an elongated fusible link contained within a fiber glass fuse barrel;a sieve attached to the upper end of said fuse barrel having a pull ring which attaches to and extends outwardly from the said sleeve; anda fiber glass hook is attached and extends outwardly engage with the switch device.2. The hooked fuse barrel of claim 1 , wherein said barrels having the rubber coating.3. The hooked fuse barrel of claim 1 , wherein said barrels are covered with the reflector tape.4. The hooked fuse barrel of claim 1 , wherein said hook is covered with the fluorescent paint for better visibility.5. The hooked fuse barrel of claim 1 , wherein said pull ring having 1% in diameter claim 1 , which effectively provides both a target and a cooperating means for the engagement of the functional end of a long stick.6. Method of operating hooked fuse barrel attached to electrical distribution equipment mounted on poles of electrical distribution systems claim 1 , comprising the steps of:(a) Engaging a long stick with a hook attached to a first end of a fuse body that is engaged to a connection assembly of a fuse barrel; and(b) Moving the long stick to cause the first end of the fuse body to move outwardly from engagement with the connection assembly. Not applicableNot applicable. ...

HIGH BREAKING CAPACITY CHIP FUSE

A high breaking capacity chip fuse including a bottom insulative layer, a first intermediate insulative layer, a second intermediate insulative layer, and a top insulative layer disposed in a stacked arrangement in the aforementioned order, a fusible element disposed between the first and second intermediate insulative layers and extending between electrically conductive first and second terminals at opposing longitudinal ends of the bottom insulative layer, the first intermediate insulative layer, the second intermediate insulative layer, and the top insulative layer, wherein the first and second intermediate insulative layers are formed of porous ceramic. 1. A method of forming a high breaking capacity chip fuse comprising:providing a bottom insulative layer, a first intermediate insulative layer, a second intermediate insulative layer, and a top insulative layer disposed in a stacked arrangement; anddisposing a fusible element between the first and second intermediate insulative layers, the fusible extending between electrically conductive first and second terminals at opposing longitudinal ends of the bottom insulative layer, the first intermediate insulative layer, the second intermediate insulative layer, and the top insulative layer;wherein the first and second intermediate insulative layers are formed of porous ceramic.2. The method of claim 1 , wherein the fusible element is one of a wire claim 1 , a ribbon claim 1 , a metal link claim 1 , a spiral wound wire claim 1 , a film claim 1 , and electrically conductive core deposited on a substrate3. The method of claim 1 , wherein the first intermediate insulative layer and the second intermediate insulative layer are more porous than the bottom insulative layer and the top insulative layer.4. The method of claim 3 , wherein the first intermediate insulative layer and the second intermediate insulative layer are at least 25% more porous than the bottom insulative layer and the top insulative layer.5. The method ...

FUSE AND METHOD OF FORMING A FUSE

Embodiments of the fuse include a fuse body having a first end and a second end. A fuse element is disposed within a cavity of the fuse body, an end of the fuse element extending beyond an edge of the fuse body. An arc disc is disposed on the edge of the fuse body, and includes a notch such that the end of the fuse element extends to an outer surface of the arc disc. The end of the fuse element is configured to be folded over the outer surface of the arc disc. An end cap is disposed over the end of the fuse body and the arc disc, and the end cap includes a hole at a top surface. Solder deposited within the hole provides an electrical connection between the arc disc, the fuse element, and the end cap. 1. A fuse , comprising:a fuse body having a first end and a second end, and defining a cavity;a fuse element disposed within the cavity, a first end of the fuse element extending beyond a first edge of the first end of the fuse body;a first arc disc disposed on the first edge of the fuse body, the first arc disc including a notch cut providing a pass-through area for the first end of the fuse element extending beyond the first edge of the first end of the fuse body, wherein the first end of the fuse element is configured to be folded over an outer surface of the first arc disc; anda first end cap disposed over the first end of the fuse body and the first arc disc, the first end cap having a hole at a top surface and positioned to expose the first arc disc and the first end of the fuse element, such that solder deposited within the hole provides an electrical connection between the first arc disc, the fuse element, and the first end cap.2. The fuse of claim 1 , further comprising a first plug disposed within the cavity at the first edge of the fuse body claim 1 , wherein the first arc disc is disposed on the first plug.3. The fuse of claim 2 , further comprising:a second end of the fuse element extending beyond a second edge of the second end of the fuse body;a second ...

NON-ARCING FUSE

An arc-mitigating fuse including a tubular fuse body, a first endcap covering a first end of the fuse body and a second endcap covering a second end of the fuse body, a fusible element disposed within the fuse body and extending between the first endcap and the second endcap to provide an electrically conductive pathway therebetween, and an arc-mitigating element disposed within the fuse body and held in a compressed state between the first endcap and the second endcap, the arc-mitigating element adapted to extend to an uncompressed state upon separation of the fusible element. 1. An arc-mitigating fuse comprising:a tubular fuse body;a first endcap covering a first end of the fuse body and a second endcap covering a second end of the fuse body;a fusible element disposed within the fuse body and extending between the first endcap and the second endcap to provide an electrically conductive pathway therebetween; andan arc-mitigating element disposed within the fuse body and held in a compressed state between the first endcap and the second endcap, the arc-mitigating element adapted to extend to an uncompressed state upon separation of the fusible element, the arc-mitigating element and the fusible element providing parallel, electrically conductive pathways extending from the first end cap to the second endcap.2. The arc-mitigating fuse of claim 1 , wherein the arc-mitigating element exhibits a first electrical resistance in the compressed state and a second electrical resistance in the uncompressed state claim 1 , the second electrical resistance being greater than the first electrical resistance.3. The arc-mitigating fuse of claim 2 , wherein the first electrical resistance is in a range between 1 ohm and 20 ohms and the second electrical resistance is in a range between 1 mega ohm and 100 mega ohms.4. The arc-mitigating fuse of claim 1 , wherein the arc-mitigating element is formed of a quantum tunneling compound.5. The arc-mitigating fuse of claim 1 , wherein the ...

TEMPERATURE FUSE AND ELECTRICAL JUNCTION BOX

A temperature fuse is ring-shaped and includes an insulation portion and a conductive portion arranged on an inner side and an outer side in a radial direction, and the conductive portion is formed of a thermal fuse element. An electrical junction box includes: a circuit board on which a switching element is mounted; a housing body for housing the circuit board; a conductive plate connected to the switching element, a first hole passing through the conductive plate; a terminal that is shaped as a plate and faces the conductive plate, a second hole passing through the terminal; the temperature fuse interposed between the conductive plate and the terminal in an axial direction, and a shaft-like insertion body for being inserted into the temperature fuse, the first hole, and the second hole. 1. A temperature fuse that is ring-shaped and includes:two insulating portions that are arranged on an inner side and an outer side in a radial direction and a conductive portion interposed between the two insulating portions,wherein the conductive portion is formed of a thermal fuse element, andthe insulating portions are each provided with a through hole penetrating from the inner side to the outer side.2. A temperature fuse including:an insulating portion and a conductive portion that are ring-shaped and arranged on an inner side and an outer side in a radial direction,two electrode plates that are ring-shaped and are interposed between the insulating portion and the conductive portion in an axial direction,wherein the conductive portion is formed of a thermal fuse element, andthe electrode plates are each provided with a hole at a position corresponding to the conductive portion of the electrode plate.3. The temperature fuse according to claim 2 , wherein the electrode plates are each provided with a groove connecting the hole with an outer periphery.4. The temperature fuse according to claim 2 , wherein there are two of the insulating portions claim 2 , andthe conductive ...

Fuse device

Provided is a fuse device capable of maintaining the insulation performance while using a fuse element having a considerable size to improve rating. The fuse device includes a fuse element 2 and a case 3 for housing the fuse element 2, and the case 3 has a resin portion 4 having a surface to be melted by heat accompanying blowout of the fuse element 2 on at least a part of an inner wall surface 8 a facing the inside 8 housing the fuse element 2.

FUSE LINK SYSTEMS AND METHODS

A fuse link includes a conductive terminal component having a cylindrical insertion region with a knurled region formed therein and a fusible element electrically coupled thereto. A tubular sheath is configured to form a press-fit connection with the knurled region such that the tubular sheath substantially encloses the fusible element. The inner radius, the wall thickness, and the length of the tubular sheath are together configured to remain substantially intact when the fusible link experiences a first overload event within a first range of fault current values and burst when the fusible link experiences an overload event within a second range of fault current values that is greater than the first range. 1. A fuse link comprising:a conductive terminal component having a generally cylindrical insertion region, the generally cylindrical insertion region having a knurled region formed therein such that the knurled region is formed on a fraction of the cylindrical insertion region;a generally tubular polymeric sheath having a first end, a length, an inner radius, and a wall thickness, wherein the first end of the generally tubular polymeric sheath forms a press-fit connection with the knurled region of the conductive terminal component;wherein the inner radius has a normalize dimension of 1.0, the wall thickness has a normalized dimension of approximately 0.28, and the length of the generally tubular sheath has a normalized dimension of approximately 37.0 which are together configured such that (a) the generally tubular sheath remains substantially intact when the fusible link experiences a first overload event within a first range of fault current values; and (b) the generally tubular sheath bursts when the fusible link experiences an overload event within a second range of fault current values that is greater than the first range.2. The fuse link of claim 1 , wherein the first range of fault current values ranges from tens of amperes to approximately 1 claim 1 ,100 ...

CHIP FUSE AND METHOD FOR PRODUCING SAME

Provided is a chip fuse and a method for producing the same, which is improved to facilitate balanced release of impact and vapor generated upon fusion. The chip fuse includes a fuse body having a pair of facing upper and lower ceramic substrates, a fuse wire support having a vertical through hole in its center and held between the ceramic substrates, and a fuse wire mounted between the two ends of the fuse wire support across the through hole, and a pair of metal caps fitted on the two ends of the fuse body, wherein the upper ceramic substrate and the fuse wire support, and the lower ceramic substrate and the fuse wire support, are respectively adhered together on their mutually facing surfaces to hermetically close the through hole, partially leaving a non-adhered region on the adhered surfaces. 1. A chip fuse comprising a fuse body and a pair of metal caps , said fuse body further comprising:a pair of vertically facing upper and lower ceramic substrates,a fuse wire support having a vertical through hole in its center and held between said upper and lower ceramic substrates, anda fuse wire mounted between two ends of said fuse wire support across the through hole,wherein said metal caps are fitted on two ends of said fuse body in electrical conduction with said fuse wire extending out of two ends of said fuse wire support,wherein said upper ceramic substrate and said fuse wire support, and said lower ceramic substrate and said fuse wire support, are respectively adhered together on their mutually facing surfaces to hermetically close said through hole, partially leaving a non-adhered region on said surfaces adhered.2. The chip fuse according to claim 1 , wherein said non-adhered region is formed on both sides of the through hole with respect to its longitudinal.3. The chip fuse according to claim 1 , wherein said fuse wire support is composed of an upper fuse wire support half and a lower fuse wire support half vertically arranged with respect to each other claim ...

HIGH CURRENT ONE-PIECE FUSE ELEMENT AND SPLIT BODY

A compact, high breaking capacity fuse that includes a top and bottom insulative layer and a single piece fusible element disposed between the top and bottom insulative layer. The top and bottom insulative layers include cavities that are aligned at assembly to form a chamber in which a fusible element portion of the single piece fusible element is disposed. The single piece fusible element additionally includes terminal portions that extend along outer surfaces of the top and bottom insulative layers. 1. A high breaking capacity fuse comprising:a first outer insulative layer, the first outer insulative layer comprising a first cavity;a second outer insulative layer disposed on the first outer insulative layer, the second outer insulative layer comprising a second cavity to align with the first cavity to define a chamber; anda single piece fusible element disposed between the first outer insulative layer and the second outer insulative layer, the single piece fusible element comprising a first terminal portion, a second terminal portion, and a fusible element portion connecting the first and second terminal portions, wherein the fusible element portion is disposed at least partially within the chamber, the first terminal portion extends along at least one outer surface of the second outer insulative layer, and the second terminal portion extends along at least one outer surface of the second outer insulative layer;wherein each of the first and second terminal portions has grooves formed in opposing sides thereof, and wherein the first outer insulative layer includes tongue portions formed in a top edge thereof, the tongue portions disposed within the grooves.2. The high breaking capacity fuse of claim 1 , wherein the single piece fusible element is formed from a single piece of conductive material and the fusible element portion comprises a plurality of cutouts disposed along the plurality of rolls.3. The high breaking capacity fuse of claim 2 , wherein the ...

COMPACT HIGH VOLTAGE POWER FUSE AND METHODS OF MANUFACTURE

A high voltage power fuse having a dramatically reduced size facilitated by silicated filler material, a formed fuse element geometry, arc barrier materials and single piece terminal fabrications. Methods of manufacture are also disclosed. 129-. (canceled)30. A method of manufacturing a high voltage power fuse utilizing an assembly frame , the frame having first and second assembly legs and the fuse including a housing , a full-range fuse element assembly , and first and second terminal fabrications , the method comprising:inserting the housing over the first assembly leg of the assembly frame;assembling the first terminal fabrication to the first assembly leg of the assembly frame;assembling the second terminal fabrication to the second assembly leg of the assembly frame;connecting the full-range fuse element assembly in a gap between the first terminal fabrication and the second terminal fabrication;sliding the housing over the connected full-range fuse element assembly;securing the housing in position to enclose the full-range fuse element assembly; andapplying a silicated filler material to the assembled housing, full-range fuse element, and first and second terminals to establish a mechanical bond between the silicated filler material and the assembled housing, full-range fuse element, and first and second terminals.31. The method of claim 30 , wherein assembling the first terminal fabrication to the first assembly leg of the assembly frame comprises providing a single piece terminal fabrication including an end plate and a terminal claim 30 , and attaching the terminal to the first assembly leg of the assembly frame.32. The method of claim 30 , wherein assembling the second terminal fabrication to the second assembly leg of the assembly frame comprises:assembling a first terminal piece defining a terminal to a second terminal piece defining an end plate; andsecuring the first terminal piece to the second assembly leg of the assembly frame.33. The method of ...

Fuse

A kind of fuse, comprising, outer cartridge body with both open ends, inner cartridge body with both open ends and provided inside the said outer cartridge body, fuse core provided inside the said inner cartridge body, left and right inner copper bushes provided at and covering both ends of the said outer cartridge body, left and right outer copper bushes provided at and covering the said inner copper bushes and both ends of the said outer cartridge body; Wherein, one end of the said inner copper bush is the first open end, and the other end is the first closed end, the end face of the said first closed end has the first opening; preferably, the said first open end and the said outer cartridge body form interference fit connect through punching. End of the said fuse core extends and passes through the said first opening, and is preferably fixed to the end face of the said first closed end through spot welding. One end of the said outer copper bush is the open end, the other end is the closed end. Preferably, through pressing, the open end of the said outer copper bush and the said first closed end and/or the said outer cartridge body form interference fit joint.

HIGH CURRENT FUSE BLOCK

A power distribution box assembly can include a power distribution box housing, a fuse block, and a plurality of eyelet terminals. The fuse block can include a stamped busbar assembly, a plurality of studs, and a housing. The stamped busbar assembly can include a main power supply portion, a plurality of fuse elements, and a plurality of terminal connecting portions coupled to the plurality of fuse elements. Each of the plurality of terminal connecting portions can: (i) extend from its respective fuse element in a terminal direction that is orthogonal to both directions that the main power supply portion and the fuse elements extend. 1. A fuse block , comprising: a main power supply portion extending in a longitudinal direction from a first end to a second end, the main power supply portion having a rectangular shaped body with a first side edge and a second side edge opposite the first side edge, the first and second side edges extending from the first end to the second end,', 'a plurality of fuse elements extending from the first side edge of the main power supply portion in a fuse direction orthogonal to the longitudinal direction, and', 'a plurality of terminal connecting portions coupled to the plurality of fuse elements, each of the plurality of terminal connecting portions: (i) extending from its respective fuse element in a terminal direction that is orthogonal to both the longitudinal direction and the fuse direction, and (ii) defining a stud aperture;, 'a stamped busbar assembly comprisinga plurality of studs corresponding to the plurality of terminal connecting portions, respectively, each of the plurality of studs being arranged within a corresponding stud aperture; anda housing at least partially covering the stamped busbar assembly, the housing comprising an insulative material and formed by over-molding the stamped busbar assembly and the plurality of studs, the housing including an access aperture corresponding to each of the plurality of studs and ...

FUSE, FUSE BOX, AND FUSE DEVICE

Disclosed are a fuse, a fuse box, and a fuse device capable of preventing insertion of wrong products into the box or device and persistent electric arc. In certain aspects, the fuse includes a pair of electro-conductive terminals, a fuse element having a fusion portion provided between the electro-conductive terminals, and an insulating housing mounted so as to cover at least a part of the fusion portion and the electro-conductive terminals, wherein a notch is provided on a lower-end side of the insulating housing, the notch is located between the pair of electro-conductive terminals and at a position that does not interfere with the shape of the fusion portion provided between the pair of electro-conductive terminals, and the notch is formed in a manner that a protrusion provided in a fuse box for housing the fuse can be fitted therein. 1. A fuse , comprising:a pair of electro-conductive terminals;a fuse element having a fusion portion provided between the electro-conductive terminals; andan insulating housing mounted so as to cover at least a part of the fusion portion and the electro-conductive terminals, whereina notch is provided on a lower-end side of the insulating housing,the notch is located between the pair of electro-conductive terminals and at a position that does not interfere with the shape of the fusion portion provided between the pair of electro-conductive terminals, and the notch is configured to fit around a protrusion provided in a fuse box such that the fuse can be fitted therein.2. The fuse as claimed in claim 1 , wherein the notch is located at a center position of the insulating housing.3. A fuse box claim 1 , comprising:a housing adapted for housing a fuse therein; anda protrusion corresponding in shape to a notch of the fuse, whereinthe protrusion is configured to fit in the notch of the fuse when the fuse is housed in the housing, andthe fuse comprisesa pair of electro-conductive terminals;a fuse element having a fusion portion provided ...

Three Phase Surge Protection Device

A three phase surge protection device is disclosed. In an embodiment a device include a stack comprising a first varistor, a second varistor and a third varistor, wherein the varistors are electrically connected to form a circuit and a first thermal disconnect configured to interrupt the circuit when a temperature of the first thermal disconnect exceeds a predefined temperature.

A FUSE PROTECTOR WITH A PLURALITY OF FUSES

A fuse protector with a plurality of fuses comprises a fuse protector base, a fuse carrier), and fuse elements. The fuse elements are disposed on the fuse carrier, and the fuse carrier is inserted in the fuse protector base. One side of the fuse protector base is provided with at least two wiring assemblies, and the other side of the fuse protector base is provided with at least two wiring assemblies. The fuse protector base is further provided with base contacts corresponding to the wiring assemblies. The fuse carrier is inserted into the fuse protector base. When the fuse carrier is pulled out of the fuse protector base, at least four breaking points are formed at the same time, and the voltage of an arc is distributed to the four contact points. Therefore, the voltage of the arc is effectively reduced, space is saved. 1. A fuse protector , comprising a fuse protector base , a fuse carrier inserted in the fuse protector base , and fuse elements provided on the fuse carrier , wherein:the fuse protector base, at least two wiring assemblies are provided on one side of the fuse protector base, and at least two wiring assemblies are provide on the other side of the fuse protector base opposite to the one side, wherein each of the wiring assemblies on the one side corresponds to each of the wiring assemblies on the other side in position, the fuse protector base is further provided with a plurality of base contacts, and each of the wiring assemblies is connected with one base contact corresponding thereto in position, the wiring assemblies are insulated one from another, and the combinations of the corresponding wiring assemblies on the one side and on the other side are aligned vertically, and the base contacts corresponding to their respective combinations are aligned vertically;the fuse carrier, which is provided with at least two groups of cavities in which the fuse elements can be placed, the groups of the cavities are aligned vertically and correspond to the fuse ...

FUSE COMPONENT

A fuse component () has a fuse element (). The fuse element () is located inside an isolating body () and the fuse element () extends between the two end faces of the isolating body (). Each of the end faces of the isolating body () are closed by electrical conductive end caps () and the end caps () are in electrical contact with the fuse element (). The isolating body () includes at least two shells (); at least in the region of the end caps (), and the shells () in the assembled state form a channel () to receive the fuse element (). 1. Fuse component with comprising:a fuse element,an insulating body, wherein the fuse element is located inside the insulating body andthe fuse element extends between two end faces of the insulating body,the end faces of the insulating body are each closed with electrically conducting end caps andthe end caps are in electrical contact with the fuse element,the insulating body at least in a region of the end caps comprises at least two shells and the shells form a channel in an assembled state, the channel receiving the fuse element,the channel runs parallel to a longitudinal axis of the insulating body,the shells in the assembled state are fixed by at least one step axially with respect to one another,wherein a respective shell has an at least a substantially L-shaped cross-section anda lug provided on one shell engages a recess provided on the other shell.2. Fuse component according to claim 1 , wherein the insulating body is built from at least two longitudinally running shells.3. Fuse component according to claim 1 , wherein the shells possess an interlocking shape.4. Fuse component according to claim 1 , wherein the shells are injection-molded parts.5. Fuse component according to claim 1 , wherein the shells have an identical shape.6. Fuse component according to claim 1 , wherein the fuse element has angled ends.7. Fuse component according to claim 6 , wherein a respective end of the fuse element is in a press seat between the ...

FUSE UNIT AND METHOD OF MANUFACTURING FUSE UNIT

The present invention provides a fuse unit which facilitates a work such as inspection and a method of manufacturing the fuse unit. Disclosed is a method of manufacturing a fuse unit, which has a metal part including an input terminal and an external connection terminal and a connector part for attaching an external terminal C to the external connection terminal and is manufactured by integrating the metal part and a resin covering body by insert molding. In this manufacturing method, the metal part and the resin covering body are integrated by insert molding such that a distal end of the external connection terminal of the metal part protrudes from the resin covering body, and then, the connector part separate from the resin covering body is attached to the resin covering body so that the external connection terminal protruding from the resin covering body can be connected to the external terminal C 1. A method of manufacturing a fuse unit , which has a metal part comprising an input terminal and an external connection terminal and a connector part for attaching an external terminal to the external connection terminal and is manufactured by integrating the metal part and a resin covering body by insert molding , the fuse unit manufacturing method comprising:integrating the metal part and the resin covering body by insert molding such that a distal end of the external connection terminal of the metal part protrudes from the resin covering body, andafter the integration, attaching the connector part separate from the resin covering body to the resin covering body so that the external connection terminal protruding from the resin covering body is allowed to be connected to the external terminal.2. The method of manufacturing a fuse unit according to claim 1 , whereinthe metal part comprises a plurality of the external connection terminals, the distal ends of the external connection terminals are connected to each other by a connecting portion,the metal part and the ...

SUBSEA FUSE

A subsea fuse for use in a high-pressure environment is provided. The subsea fuse includes a fuse element, a first lid and a second lid, and electrical connections for contacting the fuse element. Furthermore, a hollow elongated element made of a flexible material is provided. The first and second lids and the hollow elongated element form a liquid-tight chamber, which is filled with a liquid. The fuse element is arranged inside the liquid-tight chamber. 1. A subsea fuse for use in a high pressure environment , comprisinga fuse element;a first lid and a second lid, each including a conductive material;electrical connections for contacting the fuse element; anda hollow elongated element made of a flexible material and including a first opening and a second opening for said first and second lids, respectively, at opposing ends thereof, the first opening in the hollow elongated element being sealed in a liquid-tight manner by the first lid and the second opening in the hollow elongated element being sealed in a liquid-tight manner by the second lid, such that the first and second lids and the hollow elongated element form a liquid-tight chamber,wherein the liquid-tight chamber is filled with a liquid and the fuse element is arranged inside the liquid-tight chamber,wherein the hollow elongated element is adapted to provide pressure compensation between a pressure inside the liquid-tight chamber and the high pressure environment surrounding the subsea fuse when installed subsea, andwherein the electrical connections for contacting the fuse element are provided via the first and second lids, one terminal of the fuse element being electrically connected to the first lid and the other terminal of the fuse element being electrically connected to the second lid.2. The subsea fuse of claim 1 , further comprising:a rigid protective sleeve arranged between the first and the second lid and covering the hollow elongated element at least partially.3. The subsea fuse of claim 2 , ...

FUSE LINK

A fuse link used in alternate current medium- or high-voltage systems with a current frequency of 50 Hz includes a spring-type striker pin and is designed for the protection of electrical devices against consequences of short circuits and overloads. A porcelain housing with a star-core, external end caps closed by plugs, star-core end caps with a ring-shaped first tap designed to ensure electric contact between the star-core end cap and the external end cap of the fuse link is also included. A spring-type striker pin is positioned along the axis of the star-core. Each of the end caps of the star-core is provided with an additional second tap designed to centre the star-core relative to the axis of the fuse link. The spring-type striker pin is centred along the longitudinal axis of the fuse link. 1. A fuse link comprising a porcelain housing with a star-core with wounded fuse-elements , external end caps closed by plugs , star-core end caps with a ring-shaped first tap designed to ensure electric contact between the end cap of the star-core and the external end cap of the fuse link , and a spring-type striker pin positioned along the axis of the star-core , characterised in that each of the star-core end caps is provided with an additional second tap that is designed to centre the star-core relative to the axis of the fuse link and is located on the circumference of the star-core end cap at an obtuse angle (α) relative to the first tap , measured in a plane perpendicular to the axis of the fuse link , wherein both taps , the first and the second , are provided with spring contacts bent towards the direction of the longitudinal axis of the fuse link , and the spring-type striker pin is centred along the longitudinal axis of the fuse link by the tongues of a disc spring that is mounted in one of the plugs closing the fuse link on the side where the striker pin is positioned.2. The fuse link according to claim 1 , characterised in that the taps are provided with a ...

Fuse Discharge Filter Apparatus with Expanded Copper Filter Element

A fuse discharge filter is provided. The fuse discharge filter includes a housing assembly defining an enclosed passage, a coil including a number of sheets of expanded metal. The expanded metal coil is substantially disposed in the housing assembly enclosed passage. 1. A fuse discharge filter assembly for a fuse , said fuse including a fusible element and a first filter coupling component , said fuse discharge filter assembly comprising:a housing assembly defining an enclosed passage;a coil including a number of sheets of expanded metal; andsaid expanded metal coil substantially disposed in said housing assembly enclosed passage.2. The fuse discharge filter assembly of wherein said expanded metal coil is in a use configuration.3. The fuse discharge filter assembly of wherein said expanded metal coil is one of a single member coil or a limited member coil.4. The fuse discharge filter assembly of wherein:said expanded metal coil includes a number of offset elements;each offset element structured to space adjacent layers of expanded metal in said expanded metal coil.5. The fuse discharge filter assembly of wherein each said offset element is one of a unitary offset element or a non-unitary offset element.6. The fuse discharge filter assembly of wherein said expanded metal coil includes a number of turbulators.7. The fuse discharge filter assembly of wherein said sheets of expanded metal are copper.8. The fuse discharge filter assembly of wherein said expanded metal coil defines a central cavity.9. The fuse discharge filter assembly of wherein:said housing assembly includes an first end and a second end;said housing assembly second end including a cap;said housing assembly second end cap including a hub and a number of spokes;said housing assembly second end cap sized to generally correspond to said expanded metal coil central cavity; andsaid housing assembly second end cap disposed generally over said expanded metal coil central cavity.10. The fuse discharge filter ...

HIGH-CURRENT FUSE WITH ENDBELL ASSEMBLY

A fuse includes a fuse element and a fuse body. A portion of the fuse element is housed in a fuse body. The fuse element includes a first terminal and a second terminal disposed outside of the fuse body. The first terminal and the second terminal electrically connects the fuse element to a circuit to be protected and a power source. A first endbell and a second endbell is coupled to the fuse element. A predetermined amount of arc quenching material is disposed within the fuse body. The arc quenching material contacts at least a portion of the fuse element. The predetermined amount of the arc quenching material is less than a total volume size of the fuse tube. The arc quenching material is compacted. A remaining air gap in the fuse tube is filled with a liquid adhesive and cured to a solid state. 1. A fuse , comprising:a fuse body having an inner cavity and at least one fuse body aperture;a fuse element comprising a first terminal and a second terminal, a portion of the fuse element disposed within the inner cavity, the first terminal and the second terminal disposed outside of the fuse body to electrically connect the fuse to a circuit to be protected and a power source;a first endbell and a second endbell coupled to the fuse element, the first endbell includes a first barrier and the second endbell includes a second barrier, the first endbell and the second endbell having outer grooves having an adhesive for securing the first endbell and the second endbell to the fuse body; andan arc quenching material disposed within the inner cavity, the arc quenching material contacting at least a portion of the fuse element; andend caps coupled to the fuse body, the end caps sealing a portion of the fuse element within the fuse body,wherein the first barrier and the second barrier seal the arc quenching material inside the inner cavity of the fuse body.2. The fuse of claim 1 , wherein the fuse body is a hollow insulating tube.3. The fuse of claim 1 , wherein a predetermined ...

FUSE

The invention provides a fuse that has a simple structure without having a flap included in a conventional fuse but can prevent a terminal of a different fuse from entering from an opening of an insulating housing. A fuse includes a pair of conductive terminals (), a fuse element () including a fusing part () provided between the conductive terminals (), and an insulating housing () covering the fusing part () and at least part of the conductive terminals () and having an open bottom end. The insulating housing () has an open end () provided, on an inner wall surface thereof, with a projection (). 1. A fuse comprising:a pair of conductive terminals;a fuse element including a fusing part provided between the conductive terminals; andan insulating housing covering the fusing part and at least part of the conductive terminals and having an open bottom end; whereinthe insulating housing having a projection on an inner wall surface of the insulating housing.2. The fuse according to claim 1 , wherein the projection is provided from the open bottom end extending towards an upper end of the inner wall surface of the insulating housing.3. The fuse according to claim 1 , wherein the projection is provided on the inner wall surface at each side in a thickness direction of the insulating housing.4. The fuse according to claim 1 , wherein the projection has a predetermined shape adapted to prevent entry of another conductive terminal into the insulating housing.5. The fuse according to claim 1 , wherein the insulating housing comprises two spaced apart opposing inner walls that extend parallel relative to each other claim 1 , wherein each inner wall has a projection provided thereon that extends towards an interior of the insulating housing with a predetermined shape adapted to prevent entry of another conductive terminal into the insulating housing.6. The fuse according to claim 5 , wherein each projection has a same predetermined shape and is coplanar relative to another ...

FUSE UNIT

A fuse unit includes a fuse unit body and a holding member being a different member from the fuse unit body. The fuse unit body includes a conductive fuse element having a hinge and first and second resin bodies provided across the hinge, and the fuse unit body is bendable at the hinge. The holding member engages with the first and second resin bodies of the fuse unit body bent at the hinge and maintains the fuse unit body in a bent state. 1. A fuse unit comprising: a conductive fuse element having a hinge, the fuse unit body being bendable at the hinge,', 'a first resin body provided on a first side of the fuse element across the hinge, and', 'a second resin body provided on a second side of the fuse element, the second side located opposite to the first side across the hinge; and, 'a fuse unit body including'}a holding member being a different member from the fuse unit body, engaging with the first resin body and the second resin body of the fuse unit body bent at the hinge, and maintaining the fuse unit body in a bent state, wherein a first portion having a plate shape with a first thickness including a portion on the first side of the fuse element and the first resin body, and', 'a second portion having a plate shape with a second thickness including a portion on the second side of the fuse element and the second resin body,, 'the fuse unit body comprises'}the holding member has a plate shape with a third thickness, andupon the bent state of the fuse unit body being maintained by the holding member, a thickness direction of the first thickness, a thickness direction of the second thickness, and a thickness direction of the third thickness are perpendicular to each other, the first portion and the second portion form an L shape when viewed in a direction in which the hinge extends, and the holding member is engaged with the first portion and the second portion at a portion at a minor angle of intersection angles of the first portion and the second portion.2. The ...

CASING REPLACEABLE FUSE ASSEMBLY

A fuse assembly includes a casing having two slots defined through the first end thereof, and a conductive member is located in the casing and has a first end extending through the second end of the casing. The conductive member includes two blades with a fuse connected therebetween. A cap is detachably mounted to the first end of the casing and has a light member connected thereto. The light member has a leg portion which is electrically connected to a second end of the conductive member. The cap includes two arms which are detachably hooked to two positioning members on two sides of the casing to ensure the connection between the cap and the casing. When the fuse is burned off, the light member lights on, the cap is removed from the casing, and is detachably connected to a new casing with a functional fuse therein. 1. A fuse assembly comprising:a casing having two slots defined through a first end thereof, the casing having a room defined therein which communicates with the two slots, two protrusions extending from an inside of the room, the casing having two positioning members on two sides thereof;a conductive member located in the casing and having a first end extending through a second end of the casing, the conductive member including two blades which are located with a gap formed therebetween, a fuse connected between the two blades, each of the two blades having a hole, the two protrusions engaged with the two holes of the two blades;a cap having an open bottom which is detachably mounted to the first end of the casing, two arms respectively extending from two ends of the cap and each arm having a hook end, the two hook ends being detachably hooked to the two positioning members, anda light member connected to the cap and having a bulb and a leg portion which is electrically connected to the bulb, the leg portion being electrically connected to a second end of the conductive member.2. The fuse assembly as claimed in claim 1 , wherein the leg portion of the ...

HIGH-CURRENT FUSE WITH ENDBELL ASSEMBLY

A fuse including a fuse body defining an inner cavity and having at least one fuse body aperture formed therethrough, a fuse element including a first terminal and a second terminal, a first endbell and a second endbell coupled to the fuse element, the first endbell having at least two grooves formed in a surface thereof and having a first O-ring seal disposed in at least one of the grooves, the second endbell having at least two grooves formed in a surface thereof and having a second O-ring seal disposed in at least one of the grooves, an adhesive securing the first and second endbells to the fuse body, an arc quenching material disposed within the inner cavity and contacting at least a portion of the fuse element, and end caps coupled to the fuse body, the end caps sealing a portion of the fuse element within the fuse body. 1. A method of manufacturing a fuse comprising:providing a fuse element having a first end and a second end, a first terminal electrically connected to the first end and a second terminal electrically connected to the second end;coupling a first endbell to the first end of the fuse element and coupling a second endbell to the second end of the fuse element, the first endbell having at least two grooves formed in a surface thereof and having a first O-ring seal disposed in at least one of the grooves, the second endbell having at least two grooves formed in a surface thereof and having a second O-ring seal disposed in at least one of the grooves;inserting the fuse element into a hollow fuse tube having an inner cavity and at least two fuse body apertures formed therethrough, the first and second O-ring seals engaging an interior of the hollow fuse tube;filling the hollow fuse tube with an amount of arc quenching material; andfastening end caps onto ends of the hollow fuse tube;wherein the first endbell and the second endbell are cup-shaped such that a first chamfer is formed within the first endbell and a second chamfer is formed within the ...

Temperature Sensitive Pellet Type Thermal Fuse

The temperature sensitive pellet type thermal fuse includes: a conductive envelope having an opening at a first end; a temperature sensitive device housed inside the envelope; a first lead which is installed in the opening of the envelope and has a fixed contact; a second lead connected to a second end of the envelope; a movable contact housed in the envelope; and a weak compression spring housed in the envelope. The temperature sensitive device includes a cylindrical case having an open end which may be arranged at the side of the first lead, a temperature sensitive material housed in the cylindrical case, and a strong compression spring configured to press against the temperature sensitive material. 1. A temperature sensitive pellet type thermal fuse comprising:a conductive envelope having an opening at a first end;a temperature sensitive device which is housed inside the envelope and configured to be thermally actuated at a predetermined temperature;a first lead which is installed in the opening of the envelope electrically insulated from the envelope, and has a fixed contact;a second lead which is connected to a second end of the envelope;a movable contact which is housed in the envelope and configured to be pressed by the temperature sensitive device so as to abut the fixed contact; anda weak compression spring which is housed in the envelope and configured to press the movable contact in the direction of separating the movable contact from the fixed contact; a cylindrical case having an open end;', 'a temperature sensitive material which is housed in the cylindrical case and configured to melt at a predetermined operating temperature; and', 'a strong compression spring which is configured to press against the temperature sensitive material so as to bring the movable contact into contact with the fixed contact., 'wherein the temperature sensitive device includes2. The temperature sensitive pellet type thermal fuse according to claim 1 , wherein the open end of ...

Protecting device and battery pack

Provided is a protecting device that can prevent damage of the device by releasing the pressure inside the housing by providing openings in the housing and can secure appropriate insulation. The protecting device includes: a meltable conductor 3; first and second external connection terminals 7, 8 connected to both ends of the meltable conductor 3; and a housing 6 having a lower case 4 and an upper case 5, wherein one end of the first external connection terminal 7 and one end of the second external connection terminal 8 are led out from the housing 6, and the housing is provided with a first opening 24 formed facing a front surface of the first external connection terminal 7 and a second opening 25 formed facing a front surface of the second external connection terminal 8.

ATTACHING AN ISOLATED SINGLE STUD FUSE TO AN ELECTRICAL DEVICE

An electrical device assembly and method to attach an isolated single stud fuse assembly to an electrical device are disclosed. The electrical device assembly consists of multiple studs, one or more of which is replaced with the isolated single stud fuse. A conductive copper landing zone receives an electrically isolated steel stud. When the landing pad assembly is orbital riveted into a plastic housing of the electrical device, the stud is locked into the housing permanently. Electrical devices such as disconnect switches and power distribution modules, both of which include multiple studs, are good candidates for being adapted with the single stud fuse assembly. 1. An electrical device assembly comprising: a first stud to be coupled to a first terminal;', 'a receiving hole in a housing of the electrical device; and, 'an electrical device comprising a single stud fuse comprising a shaft receptacle;', 'a landing pad comprising a landing pad shaft and a stud base receptacle, the landing pad shaft to be orbitally riveted into the receiving hole of the housing; and', the stud base is to be inserted into the stud base receptacle;', 'the single stud fuse is disposed along the stud shaft, with the stud shaft being disposed through the shaft receptacle, the stud shaft to be coupled to a second terminal., 'an electrically isolated stud comprising a stud shaft and a stud base, wherein], 'a single stud fuse assembly comprising2. The electrical device assembly of claim 1 , the single stud fuse assembly further comprising a nut to be threaded over the stud shaft and secured once the second terminal is coupled to the stud shaft.3. The electrical device assembly of claim 1 , wherein the landing pad shaft and stud base receptacle of the landing pad are made from a metal piece made of electrically conductive material.4. The electrical device assembly of claim 1 , wherein the landing pad shaft claim 1 , once orbitally riveted into the receiving hole of the housing claim 1 , is not ...

FUSE

A fuse includes a conductive member formed integrally with a melting portion that melts and breaks when overcurrent occurs, two shielding portions arranged on the conductive member to hold the melting portion in between, and a case formed from an electrically-insulative material. The case encloses the melting portion in cooperation with the two shielding portions. 1. A fuse comprising:a conductive member formed integrally with a melting portion that melts and breaks when overcurrent occurs;two shielding portions arranged on the conductive member to hold the melting portion in between; anda case formed from an electrically-insulative material, wherein the case encloses the melting portion in cooperation with the two shielding portions.2. The fuse according to claim 1 , whereineach shielding portion is a shielding member that is separate from the conductive member, andone of the shielding member and the conductive member includes a holder that holds the other one of the shielding member and the conductive member.3. The fuse according to claim 2 , whereinthe shielding member includes the holder and a slot through which the holder is in communication with an outer side of the holder, andthe shielding member is coupled to the conductive member by the holder by performing swaging to close portions spaced apart by the slot in a state in which the conductive member is inserted into the holder through the slot.4. The fuse according to claim 2 , whereinthe shielding member includes a first member and a second member, wherein the first member and the second member hold the conductive member in between,the case includes a first case and a second case, wherein the first case covers an outer surface of the first member and is integrated with the first member, and the second case covers an outer surface of the second member and is integrated with the second member, andthe fuse comprises a fastener that is arranged in at least one of between the first member and the second member ...

Pressure Resistant Housing For Subsea Applications

A pressure resistant housing for an electric component, which pressure resistant housing is adapted for use in subsea applications. The pressure resistant housing includes a first ceramic body arranged to accommodate the electric component, which first ceramic body is provided with a first opening and a second opening, a first metal lid for closing the first opening, a first annular sealing member arranged to provide a fluid tight seal between the first metal lid and the first opening, a first clamp arranged to clamp the first metal lid to the first ceramic body, a second metal lid for closing the second opening, a second annular sealing member arranged to provide a fluid tight seal between the second metal lid and the second opening, and a second clamp arranged to clamp the second metal lid to the first ceramic body. 1. A pressure resistant housing for an electric component , which pressure resistant housing is adapted for use in subsea applications , wherein the pressure resistant housing comprises:a first ceramic body arranged to accommodate the electric component, which first ceramic body is provided with a first opening and a second opening,a first metal lid for closing the first opening,a first annular sealing member arranged to provide a fluid tight seal between the first metal lid and the first opening,a first clamp arranged to clamp the first metal lid to the first ceramic body,a second metal lid for closing the second opening,a second annular sealing member arranged to provide a fluid tight seal between the second metal lid and the second opening, anda second clamp arranged to clamp the second metal lid to the first ceramic body.2. The pressure resistant housing as claimed in claim 1 , wherein the first ceramic body has a first end flange at a first end thereof claim 1 , wherein the first clamp is arranged to clamp the first metal lid to the first end flange.3. The pressure resistant housing as claimed in claim 1 , wherein the first ceramic body has a ...

Fuses, Vehicle Circuit for Electric Vehicle and Electric Vehicle

The present utility model relates to a fuse, a vehicle circuit for an electric vehicle, and an electric vehicle. The fuse has a longitudinal direction and a transverse direction, and includes: a bushing, having a through-hole cavity extending in the longitudinal direction and for accommodating quartz sand and two end surfaces in the longitudinal direction; a fuse body, accommodated in the through-hole cavity; and two contact blades, positioned at two ends of the through-hole cavity and conductively joined to the fuse body. At least one of the contact blades comprises a first section coming into direct sealing contact with one of the end surfaces of the bushing by covering the through-hole cavity, and an overhanging arm section extending from the first section. The overhanging aim section includes a second section extending, in a direction perpendicular to the longitudinal direction, out of the bushing. 1. A fuse comprising:a bushing having a through-hole cavity extending in a longitudinal direction;a fuse body in the through-hole cavity; andtwo contact blades positioned at two respective ends of the through-hole cavity and conductively joined to the fuse body, whereinat least one of the contact blades comprises a first section at one of the ends of the through-hole cavity and a second section connected to the first section and extending away from the bushing in a direction perpendicular to the longitudinal direction.2. The fuse according to claim 1 , wherein the two contact blades each have the first section and the second section claim 1 , wherein the second sections of the two contact blades extend in the same direction.3. The fuse according to claim 1 , wherein the two contact blades each have the first section and the second section claim 1 , and wherein the second sections of the two contact blades extend away from the bushing in opposite directions.4. The fuse according to claim 1 , wherein the at least one of the contact blades comprises a third section ...

Vacuum Fuse

A non-current limiting vacuum fuse employs a fusible assembly having a pair of electrodes and a fusible element that is situated therebetween. The fusible assembly is a rigid, self-supporting unitary structure that is brazed to an envelope when manufactured inside a vacuum furnace. The fuse provides improved interruption capability and/or a higher voltage rating at reduced cost. The fuse may be used individually, or a plurality of the fuses can be connected together in series to provide enhanced interruption capability and/or a higher voltage rating. The fuse can be connected in parallel with a current limiting fuse to form a vacuum current commutating fuse that provides the benefits of both types of fuses.

FUSE WITH CONICAL OPEN COIL FUSIBLE ELEMENT

A fuse including a tubular fuse body defining an interior cavity, and a fusible element describing a conical helix that tapers from a first end to a second end, the first end having a diameter that is larger than a diameter of the second end, wherein the first end of the fusible element abuts an end face of the fuse body with a portion of the fusible element extending into the interior cavity. 1. A fuse comprising:a tubular fuse body defining an interior cavity; anda fusible element that, in its entirely, defines the shape of a conical helix, a first end of the fusible element having a diameter that is 1.2-2 times larger than a diameter of a second end of the fusible element;wherein the first end of the fusible element abuts an end face of the fuse body with a portion of the fusible element extending into the interior cavity;the first end of the fusible element being soldered directly to a first endcap on a first end of the fuse body, and the second end of the fusible element being soldered directly to a second endcap on a second end of the fuse body.2. The fuse of claim 1 , wherein the fusible element tapers linearly from the first end of the fusible element to the second end of the fusible element.3. The fuse of claim 1 , wherein the fusible element tapers non-linearly from the first end of the fusible element to the second end of the fusible element.45.-. (canceled)6. The fuse of claim 1 , wherein the interior cavity is at least partially filled with an arc-quenching material claim 1 , the arc-quenching material disposed within the fusible element claim 1 , radially inward of an interior diameter of the fusible element.7. The fuse of claim 6 , wherein the arc-quenching material comprises at least one of sand and silica.8. The fuse of claim 1 , wherein a portion of the fusible element has an outer diameter that is 0.1 millimeters to 1 millimeter smaller than the diameter of the interior cavity.9. The fuse of claim 1 , wherein the first end of the fusible element ...

SEALED BATTERY FUSE MODULE WITH ENERGY DISSIPATING CAP

A fuse module including a mounting block having a through-hole extending therethrough, a fuse including an upper portion disposed on a top of the mounting block and having a through-hole, a lower portion disposed on a bottom of the mounting block and having a through-hole, and a fusible element disposed adjacent a sidewall of the mounting block and connecting the upper portion to the lower portion, the fuse module further including a housing having a main body portion encasing the mounting block and the fuse, the main body portion having apertures in top and bottom surfaces thereof aligned with the through-hole of the mounting block, and a cap portion connected to the main body portion and disposed over the fusible element, the cap portion having surface features extending from an interior surface thereof for absorbing energy upon occurrence of an overcurrent condition in the fuse. 1. A fuse module comprising:a mounting block having a through-hole extending therethrough; an upper portion disposed on a top of the mounting block and having a through-hole aligned with the through-hole of the mounting block;', 'a lower portion disposed on a bottom of the mounting block and having a through-hole aligned with the through-hole of the mounting block; and', 'a fusible element disposed adjacent a sidewall of the mounting block and connecting the upper portion of the fuse to the lower portion of the fuse; and, 'a fuse comprising a main body portion encasing the mounting block and the fuse, the main body portion having apertures in top and bottom surfaces thereof that are aligned with the through-hole of the mounting block and that expose underlying surfaces of the upper and lower portions of the fuse; and', 'a cap portion connected to the main body portion and disposed over the fusible element, the cap portion having surface features extending from an interior surface thereof for absorbing energy upon occurrence of an overcurrent condition in the fuse., 'a housing comprising2. ...

REFLOWABLE THERMAL FUSE

A reflowable thermal fuse including a fuse body, a conductive composite element disposed within the fuse body, first and second conductive terminals connected to the conductive composite element and extending out of the fuse body, a removable barrier covering a surface of the conductive composite element and in electrical communication with the first and second conductive terminals, and a solvent element disposed on the removable barrier and separated from the conductive composite element by the removable barrier, wherein the removable barrier has a fusing temperature that is greater than a reflow temperature of the reflowable thermal fuse. 1. A reflowable thermal fuse comprising:a fuse body;a conductive composite element disposed within the fuse body;first and second conductive terminals connected to the conductive composite element and extending out of the fuse body;a removable barrier covering a surface of the conductive composite element and in electrical communication with the first and second conductive terminals; anda solvent element disposed on the removable barrier and separated from the conductive composite element by the removable barrier.2. The reflowable thermal fuse of claim 1 , wherein the removable barrier has a fusing temperature that is greater than a reflow temperature of the reflowable thermal fuse.3. The reflowable thermal fuse of claim 1 , wherein the solvent element is formed of a precision melting organic compound (PMOC).4. The reflowable thermal fuse of claim 3 , wherein the PMOC includes at least one of bisphenol A claim 3 , triphenylene claim 3 , tetrabromobisphenol A claim 3 , bisphenol S claim 3 , Bisphenol P claim 3 , 4 claim 3 ,4′-Sulfonyldiphenol claim 3 , 4-Hydroxybenzaldehyde claim 3 , 4-Nitroaniline claim 3 , 4-Aminobenzoic acid claim 3 , 4-Nitrophenol claim 3 , Resorcinol claim 3 , Benzoin claim 3 , and Aspartic acid.5. The reflowable thermal fuse of claim 1 , wherein the conductive composite element is formed of a positive ...

Multi-part symmetrical fuse assembly

Approaches herein provide a fuse assembly including a multi-part symmetrical housing. In some embodiments, the fuse assembly includes a core having a set of fusible elements extending between a first end fitting and a second end fitting, and a housing surrounding the core. The housing may include a first section having a first wall defining a first internal cavity, the first wall including a first slot and a first ridge, and a second section coupled to the first section, the second section having a second wall defining a second internal cavity. The second wall may include a second slot and a second ridge, wherein the first slot engages the second ridge and the second slot engages the first ridge. In some embodiments, the first and second sections define a set of openings for the first and second end fittings to extend therethrough.

ELECTRIC-POWER CONVERSION APPARATUS

There is provided an electric-power conversion apparatus in which smoke emission, a burnout, and short-circuiting between a melted material and a peripheral member can be suppressed even when a fuse portion is melted by an excessive current. An electric-power conversion apparatus () includes an electric power semiconductor device (), an electrode wiring member (), a case (), a fuse portion () formed in the electrode wiring member (), a fuse resin member () disposed between the fuse portion () and the case (), and a sealing resin member () that seals the electric power semiconductor device (), the electrode wiring member (), the fuse portion (), and the fuse resin member () in the case (). 1. An electric-power conversion apparatus comprising:an electric power semiconductor device;an electrode wiring member connected with a main electrode of the electric power semiconductor device;a case;a fuse portion that is formed in the electrode wiring member and functions as a fuse;a fuse resin member that is a resin member disposed between the fuse portion and the case; anda sealing resin member that is a resin member for sealing the electric power semiconductor device, the electrode wiring member, the fuse portion, and the fuse resin member in the case.2. The electric-power conversion apparatus according to claim 1 ,wherein the electric power semiconductor device and electrode lead frames, as the electrode wiring members, are sealed with a device molding resin that is a resin member, so that a semiconductor-device module is obtained, andwherein the fuse portion is formed in a portion of the electrode lead frame protruding from the device molding resin to the outside.3. The electric-power conversion apparatus according to claim 1 , wherein the fuse portion is formed of a portion claim 1 , of the electrode wiring member claim 1 , that has a cross-sectional area smaller than that of each of the portions at the before and after positions thereof in the flowing direction of a ...

CIRCUIT BREAKER

A circuit breaker includes a main protection circuit connected in series with a protected circuit, an auxiliary protection circuit connected in series with the protected circuit, where the main protection circuit is connected in parallel with the auxiliary protection circuit, a mechanical disconnecting device, where the mechanical disconnecting device disconnects the main protection circuit when an over-current occurs in the protected circuit, and a fusing device, where the fusing device is fused after the main protection circuit is disconnected, to disconnect the protected circuit. 1. A circuit breaker , comprising:a main protection circuit, wherein the main protection circuit is configured to be connected in series with a protected circuit;an auxiliary protection circuit, wherein the auxiliary protection circuit is configured to be connected in series with the protected circuit, whereinthe main protection circuit is connected in parallel with the auxiliary protection circuit;a mechanical disconnecting device, wherein the mechanical disconnecting device is triggered when an over-current occurs in the protected circuit, to disconnect the main protection circuit; anda fusing device, where the fusing device is connected in series with the auxiliary protection circuit, and is fused by the over-current after the main protection circuit is disconnected, to disconnect the auxiliary protection circuit.2. The circuit breaker according to claim 1 , wherein the mechanical disconnecting device claim 1 , the main protection circuit claim 1 , and the auxiliary protection circuit are arranged in order.3. The circuit breaker according to claim 1 , wherein the mechanical disconnecting device comprises an energy storage device claim 1 , a driving mechanism claim 1 , and an executing mechanism claim 1 , the driving mechanism acts under the action of a power source provided by the energy storage device claim 1 , the energy storage device is triggered when the over-current occurs in ...

SURFACE MOUNT FUSE

A surface mount fuse including a fuse body having a base including a floor and a plurality of adjoining sidewalls defining an interior cavity, wherein top edges of the sidewalls define a recessed shoulder bordering the interior cavity, and a cover including a main body disposed on the recessed shoulder and enclosing the interior cavity, first and second terminals extending through opposing sidewalls of the base, the first and second terminals extending around the opposing sidewalls and the cover and disposed in abutment therewith to secure the cover to the base, and a fusible element extending through the interior cavity and connected to the first and second terminals. 1. A method of manufacturing a surface mount fuse , the method comprising:molding a base of a fuse body around first and second terminals, the base including a floor and a plurality of adjoining sidewalls defining an interior cavity, the first and second terminals extending through opposing sidewalls of the base.2. The method of claim 1 , further comprising connecting a fusible element to the first and second terminals claim 1 , the fusible element extending through the interior cavity.3. The method of claim 2 , wherein the fusible element is planar and includes first and second terminal portions connected by a bridge portion claim 2 , and wherein connecting the fusible element to the first and second terminals comprising disposing the first and second terminal portions in flat engagement with the first and second terminals outside of the interior cavity.4. The method of claim 3 , wherein the fusible element further includes flanges extending from the bridge portion claim 3 , and wherein connecting the fusible element to the first and second terminals further comprises disposing the flanges on a recessed shoulder defined by top edges of the sidewalls of the base.5. The method of claim 2 , further comprising filling the interior cavity with an arc quenching material.6. The method of claim 2 , further ...

FUSES AND METHODS OF FORMING FUSES

Exemplary embodiments of the present disclosure of a fuse may include a fuse body having a first portion and a second portion. The first and second portions may be configured to mate together thereby forming an internal cavity. A first inner termination and a second inner termination may be at least partially attachable to the first and second portions of the fuse body at respective first and second ends. A fusible element may be disposed in the cavity of the fuse body and extendable from the first inner termination at the first end of the fuse body to the second inner termination at the second end of the fuse body. The fusible element may be attachable to the first inner termination at a first connection and the second inner termination at a second connection. The first and second connections may be inspectable when the fuse is in an assembled state. 1. A fuse , comprising:a fuse body including an elongated body having a first end and a second end, the first end and the second end each having one or more slots;a fusible element extendable from the one or more slots of the first end of the fuse body to the one or more slots of the second end of the fuse body; anda cover to at least partially enclose the fuse body and the fusible element, the cover having one or more lockable features to at least partially retain the fuse body, the fusible element, or both.2. The fuse according to claim 1 , further comprising a first electrical conductor disposed at the first end of the fuse body claim 1 , and a second electrical conductor disposed at the second end of the fuse body claim 1 , the fusible element being attachable to the first electrical conductor and extendable along the elongated body of the fuse body and attachable to the second electrical conductor.3. The fuse according to claim 1 , wherein the fuse body is formed of an electrically conductive material such that the fusible element is directly connectable to the fuse body.4. The fuse according to claim 1 , wherein ...

HIGH CURRENT ONE-PIECE FUSE ELEMENT AND SPLIT BODY

A compact, high breaking capacity fuse that includes a top and bottom insulative layer and a single piece fusible element disposed between the top and bottom insulative layer. The top and bottom insulative layers include cavities that are aligned at assembly to form a chamber in which a fusible element portion of the single piece fusible element is disposed. The single piece fusible element additionally includes terminal portions that extend along outer surfaces of the top and bottom insulative layers. 1. A high breaking capacity fuse comprising:a first outer insulative layer, the first outer insulative layer comprising a first cavity;a second outer insulative layer disposed on the first outer insulative layer, the second outer insulative layer comprising a second cavity;a first ceramic insert disposed within the first cavity;a second ceramic insert disposed within the second cavity, wherein the first and second ceramic inserts fit together to define a chamber; anda single piece fusible element disposed between the first outer insulative layer and the second outer insulative layer, the single piece fusible element comprising a first terminal portion, a second terminal portion, and a fusible element portion having a plurality of rolls along its longitudinal axis arranged between the first and second terminal portions, wherein the fusible element portion is disposed at least partially within the chamber, the first terminal portion extends along at least one outer surface of the second outer insulative layer, and the second terminal portion extends along at least one outer surface of the second outer insulative layer.2. The high breaking capacity fuse of claim 1 , wherein the single piece fusible element is formed from a single piece of conductive material and the fusible element portion comprises a plurality of cutouts disposed along the plurality of rolls.3. The high breaking capacity fuse of claim 2 , wherein the single piece fusible element comprises a first bend ...

Fuses and methods of forming fuses

Exemplary embodiments of the present disclosure of a fuse may include a fuse body having a first portion and a second portion. The first and second portions may be configured to mate together thereby forming an internal cavity. A first inner termination and a second inner termination may be at least partially attachable to the first and second portions of the fuse body at respective first and second ends. A fusible element may be disposed in the cavity of the fuse body and extendable from the first inner termination at the first end of the fuse body to the second inner termination at the second end of the fuse body. The fusible element may be attachable to the first inner termination at a first connection and the second inner termination at a second connection. The first and second connections may be inspectable when the fuse is in an assembled state.

COMPACT FUSE SUPPORT

Method and apparatus for mounting fuses in switchgear and similar electrical isolation equipment provide a nonconductive fuse support that allows the fuses to be mounted separately from the transformers. Two such fuse supports may be used to support a fuse, one fuse support for each fuse terminal. Each fuse support may support two fuse terminals so dual fuses may be supported by the same pair of fuse supports. The fuse supports substantially surround the fuse terminals to provide an insulating barrier that helps prevent electrical discharge and also ensure sufficient spacing between the fuse terminals and ground or other conductors in the switchgear. Such an arrangement allows the fuses and transformers to fit within a reduced space in the switchgear and similar electrical isolation equipment while complying with industry-standard performance requirements. The fuse supports are preferably noncontiguous, thereby leaving the nonconductive portion of the fuse physically unsurrounded. 1. A fuse support for mounting a tubular fuse in electrical isolation equipment , comprising:an open-ended housing having a top wall, a bottom wall, and two side walls forming a generally rectangular tube;an elongated support structure extending from an exterior surface of the bottom wall of the housing substantially perpendicular thereto;a terminal bracket attached to the bottom wall of the housing on an interior surface thereof over the elongated support structure; anda cup shaped end cap attached to the bracket for receiving a fuse terminal of the tubular fuse, the cup shaped end cap having smooth and rounded surfaces that minimize or prevent electrical discharge through the end cap.2. The fuse support of claim 1 , wherein the end cap has a clearance of about one inch from an interior surface of the housing.3. The fuse support of claim 1 , wherein the end cap is fixedly attached to the bracket.4. The fuse support of claim 1 , wherein the end cap is releasably attached to the bracket via ...

Fuse Cutout Monitoring and Indication Device

A device for monitoring and indicating a fuse tube detachment from a fuse cutout assembly contains a structural body, a tilt switch, a power source, a visual indicator, and an attachment mechanism. The attachment mechanism is used to mount the device onto the fuse tube. The tilt switch monitors the position of the fuse tube. More specifically, when the vertical position of the fuse tube changes to the dropped position the tilt switch is triggered. Thus, the visual indicator is illuminated. The illumination aids in the process of discovering the detached fuse tube. In addition to the visual indicator, the device can also be equipped with a wireless communication device and an alarm system. The wireless communication device can be used to provide the exact location of the detached fuse tube. On the other hand, the alarm system can be used to expedite the process of discovering the detached fuse tube. 1. A fuse cutout monitoring and indication device comprises:a structural body;a tilt switch;a power source;a visual indicator;an attachment mechanism;the power source being electrically connected to the tilt switch and the visual indicator;the tilt switch and the visual indicator being electronically connected to each other;the tilt switch and the power source being positioned within the structural body;the visual indicator protruding from the structural body; andthe attachment mechanism being externally connected to the structural body.2. The fuse cutout monitoring and indication device as claimed in further comprises:a reed switch;a deactivation magnet;the power source being electrically connected to the reed switch;the tilt switch, the visual indicator, and the reed switch being electronically connected to each other;the deactivation magnet being removably mounted onto the structural body; andthe reed switch being positioned within the structural body, wherein the reed switch is within a magnetic field of the deactivation magnet.3. The fuse cutout monitoring and ...

HIGH-CURRENT FUSE WITH ENDBELL ASSEMBLY

A fuse includes a fuse element and a fuse body. A portion of the fuse element is housed in a fuse body. The fuse element includes a first terminal and a second terminal disposed outside of the fuse body. The first terminal and the second terminal electrically connects the fuse element to a circuit to be protected and a power source. A first endbell and a second endbell is coupled to the fuse element. A predetermined amount of arc quenching material is disposed within the fuse body. The arc quenching material contacts at least a portion of the fuse element. The predetermined amount of the arc quenching material is less than a total volume size of the fuse tube. The arc quenching material is compacted. A remaining air gap in the fuse tube is filled with a liquid adhesive and cured to a solid state. 1. A method of manufacturing a fuse comprising:providing a fuse element having a first end and a second end, the fuse element configured with a first terminal electrically connected to the first end and a second terminal electrically connected to the second end;coupling a first endbell to the first end of the fuse element and coupling a second endbell to the second end of the fuse element, wherein each of the first endbell and the second endbell are cup-shaped and include an annular groove formed in an outer surface thereof, and wherein at least one of the first end bell and the second end bell has an end bell hole formed therein;providing a hollow fuse body having an inner cavity and at least two fuse body apertures on the hollow fuse body;inserting the fuse element into the hollow fuse body and radially aligning the annular grooves of the first end bell and the second end bell with the fuse body apertures relative to a longitudinal axis of the fuse body;filling the hollow fuse body with a predetermined amount of arc quenching material via the end bell hole;compacting the arc quenching material via one of vibrating or tapping the hollow fuse body;injecting, via the end ...

CUT-OFF ELEMENT AND OVERVOLTAGE PROTECTION ARRANGEMENT

A cut-off element for electrical isolation of an electrical component or for opening of a circuit in overload has two terminal contacts, an insulating housing and a fuse element which is located within the insulating housing. In the normal state of the cut-off element, the two terminal contacts () are connected to one another in an electrically conductive manner via the fuse element. In the cut-off element, reliable isolation of an electrical component, in particular an overvoltage arrangement, is possible by the insulating housing being formed of two parts which are connected to one another and the first part of the housing, in case of overload, being isolated from the second part of the housing so that the connection of the two terminal contacts is broken via the fuse element. 1. A cut-off element for electrical isolation of an electrical component or for opening of a circuit in overload , comprising:two terminal contacts,an insulating housing anda fuse element which is located within the insulating housing,wherein, in a normal state of the cut-off element, the two terminal contacts are connected to one another in an electrically conductive manner via the fuse element,wherein the insulating housing is formed of two parts which are connected to one another, andwherein a first part of the housing is isolated from the second part of the housing in case of an overload so that the connection of the two terminal contacts via the fuse element is broken.2. The cut-off element in accordance with claim 1 , wherein the first part of the housing in the normal state is laminated or cemented to the second part of the housing.3. The cut-off element in accordance with claim 1 , wherein the first part of the housing and the second part of the housing are each made of a printed-circuit boards base material having at least one plated-through hole.4. The cut-off element in accordance with claim 3 , wherein the printed-circuit boards base material is FR-4.5. The cut-off element in ...

FUSE AND MANUFACTURING METHOD THEREOF

A fuse and a manufacturing method thereof are disclosed. Since a nonconductive member formed of a ceramic material with excellent mechanical strength and a ceramic tube are used and the ceramic tube is joined to sealing electrodes by use of brazing rings, durability of the fuse is considerably improved. The fuse may be stably used at a high voltage by improving time-lag characteristics. 1. A fuse comprising:a ceramic tube;a pair of sealing electrodes disposed at both ends of the ceramic tube and respectively electrically connected to lead wires;a fuse unit accommodated in the ceramic tube to be electrically connected to the sealing electrodes and comprising a nonconductive member, terminal electrodes disposed at both ends of the nonconductive member, and a fusible element electrically connected to the terminal electrodes; andbrazing rings sealing between the ceramic tube and each of the sealing electrodes,wherein the ceramic tube is joined to the sealing electrodes by melting of the brazing rings.2. The fuse according to claim 1 , wherein:the nonconductive member has a rod shape and is formed of a ceramic material; andthe fusible element is wound on the outer circumferential surface of the nonconductive member.3. The fuse according to claim 1 , wherein the brazing ring comprises an alloy comprising copper (Cu) claim 1 , silver (Ag) claim 1 , and zinc (Zn).4. The fuse according to claim 1 , wherein each of the sealing electrodes comprises a contact portion protruding toward the inside of the ceramic tube to be inserted into the ceramic tube and contact the fuse unit and a junction portion joined to the brazing ring.5. The fuse according to claim 4 , wherein an outer surface of the brazing ring is disposed at the same level of an outer surface of the ceramic tube claim 4 , and an inner surface of the brazing ring is disposed to extend toward the inside of the ceramic tube to a portion farther inward than an inner edge of the ceramic tube.6. The fuse according to claim ...

COMPACT DUAL ELEMENT FUSE UNIT, MODULE AND FUSIBLE DISCONNECT SWITCH

An embodiment of a fuse module has been disclosed. The fuse module includes a housing and a fuse element assembly contained within the housing. The fuse element assembly includes at least one fuse element unit having a plurality of trigger mechanisms and a perforated strip electrically connected to the trigger mechanisms. Increased ampacity ratings in a more compact arrangement provides for fuse modules having increased current protection capability that, in turn, provides for improved disconnect switching capabilities. 1. A fuse module comprising:a housing; and a perforated strip; and', 'a plurality of trigger mechanisms electrically connected to the perforated strip., 'at least one fuse element unit comprising2. The fuse module of claim 1 , wherein the at least one fuse element unit comprises a plurality of the fuse element units arranged to be electrically in parallel with one another.3. The fuse module of claim 1 , wherein the perforated strip comprises an end and a plurality of tabs disposed at the end such that each of the tabs electrically connects the perforated strip to a respective one of the plurality of trigger mechanisms.4. The fuse module of claim 1 , wherein the perforated strip comprises a plurality of spaced-apart layers.5. The fuse module of claim 1 , wherein each of the plurality of trigger mechanisms comprises a spring-loaded trigger.6. The fuse module of claim 1 , wherein the housing has a substantially rectangular cuboid shape.7. The fuse module of claim 6 , wherein the housing is a thermoplastic housing.820-. (canceled)21. A fuse module comprising:a housing; and a short-circuit protection element having an end; and', 'a plurality of overcurrent protection elements electrically connected to the end of the short-circuit protection element such that the short-circuit protection element is electrically in series with each of the overcurrent protection elements and such that the overcurrent protection elements are electrically in parallel with one ...

PROCESS FOR MANUFACTURING SEALED AUTOMOTIVE ELECTRICAL FUSE BOX

A fuse assembly including a fuse connected to two busbars, an injection molded base and an injection molded cover. The busbars are powder-coating with a powder-based adhesive or adhesion promoter, then cured in an oven. The busbars are then placed in the cavity image of an injection molding apparatus. Plastic is heated to a liquid form and injected into the cavity image. The resulting injection molded base is resistant to both dust and water, protecting the fuse inside. 1. An injection molded base for production of a fuse assembly prepared by a process comprising the steps of:covering a portion of a busbar with a sealant;inserting the busbar into a cavity image of an injection molding apparatus, wherein the portion of the busbar is inside the cavity image;injecting melted plastic into the cavity image; andremoving the injection molded base from the cavity image.2. The injection molded base of claim 1 , the process further comprising the steps of:powder-coating the portion of a busbar with the sealant, the sealant comprising a powder; andcuring the busbar in an oven until the sealant is cured onto the portion.3. The injection molded base of claim 1 , the process further comprising the steps of cooling the cavity image before removing the injection molded base from the cavity image.4. The injection molded base of claim 1 , the process further comprising the steps of:mixing plastic pellets with pigment; andadding the plastic pellets to a hopper of the injection molding apparatus.5. The injection molded base of claim 1 , the process further comprising the steps of:covering a second portion of a second busbar with the sealant;inserting the second busbar into the cavity image, wherein the second portion of the second busbar is inside the cavity image.6. The injection molded base of claim 1 , the process further comprising the steps of:cleaning the busbar with a cleaning agent; andcovering the busbar except for the portion with masking tape.7. The injection molded base of ...

Circuit Arrangement

Various embodiments include a fuse electrically connecting two connection regions comprising: a heat sink; a set of layers arranged on a surface of the heat sink, the set of layers including an electrically insulating layer arranged on the heat sink and an electrically conductive conductor layer arranged on a side of the insulation layer facing away from the heat sink; and an electrical connecting path between the connection regions. The surface of the heat sink defines two material cutouts. A portion of the heat sink arranged between the material cutouts forms a bridge element. The set of layers is disposed on the bridge element. 1. A fuse electrically connecting two connection regions , the fuse comprising:a heat sink;a set of layers arranged on a surface of the heat sink, the set of layers including an electrically insulating layer arranged on the heat sink and an electrically conductive conductor layer arranged on a side of the insulation layer facing away from the heat sink; andan electrical connecting path between the connection regions;wherein the surface of the heat sink defines two material cutouts; anda portion of the heat sink arranged between the material cutouts forms a bridge element; andthe set of layers is disposed at least in part upon the bridge element.2. The fuse as claimed in claim 1 , wherein the set of layers includes a melting layer arranged on the conductor layer and composed of an electrically insulating melting material which has a melting point greater than 400° C.3. The fuse as claimed in claim 2 , wherein the melting layer is porous.4. The fuse as claimed in claim 1 , wherein:the set of layers includes a shell layer delimiting the set of layers with respect to a surrounding area and composed of an electrically insulating material; andthe shell layer is connected to the insulation layer along a profile of the electrical connecting path on either side of the connecting path.5. The fuse as claimed in claim 1 , wherein the material cutouts ...

Pressure Resistant Housing for an Electric Component

A pressure resistant housing for an electric component is provided. The pressure resistant housing is adapted for the use in a subsea application. A ceramic housing body houses the electric component. The ceramic housing body has a first opening and a second opening that are closed by a first metal lid and a second metal lid, respectively.

Complex Protection Component Having Overcurrent Blocking Function and Surge Absorbing Function

Provided is a composite protective component which may enable a device to be stably operated by absorbing external surge such as lightning as well as shutting off an overcurrent, as a component mounted inside various power supply equipment such as mobile phones (cellular phones) or inside a charger. According to the present invention, the composite protective component may be mounted in a power input unit of the various power supply equipment, thereby stably shutting off an overcurrent and absorbing external surge. 1. A composite protective component , comprising:a fuse resistor including a wire resistor; anda repeatable fuse connected in series with the fuse resistor,wherein the repeatable fuse includesa first lead terminal disposed on one side of a housing having an inner space,an insulation stator configured to fix a part of the first lead terminal while surrounding the part of the first lead terminal,a spindle disposed inside the housing and electrically connected to a bias spring so as to be electrically connected to or separated from the first lead terminal,a main spring provided between the first lead terminal and the spindle so as to separate the first lead terminal and the spindle, anda bias spring provided so as to be connected to the spindle on an opposite side of a direction in which the main spring is positioned with respect to the spindle and configured to electrically connect and separate the first lead terminal and the spindle, andwherein a second lead terminal is provided so as to be electrically connected to the wire resistor, and the wire resistor is electrically connected to the housing or the bias spring.212-. (canceled)13. The composite protective component of claim 1 , wherein the spindle has a tack type structure including a rod-like pin which extends lengthwise as a portion connected to the first lead terminal and a plate-like head which is provided at one end of the pin so as to spread widthwise as a portion connected to the bias spring ...

Fuse link systems and methods

A fuse link includes a conductive terminal component having a cylindrical insertion region with a knurled region formed therein and a fusible element electrically coupled thereto. A tubular sheath is configured to form a press-fit connection with the knurled region such that the tubular sheath substantially encloses the fusible element. The inner radius, the wall thickness, and the length of the tubular sheath are together configured to remain substantially intact when the fusible link experiences a first overload event within a first range of fault current values and burst when the fusible link experiences an overload event within a second range of fault current values that is greater than the first range.

FUSE WITH A THERMOMECHANICAL COMPENSATION ELEMENT

The invention relates to a melting fuse, especially for a motor vehicle that has a high-voltage circuit, comprising an electrically insulating housing inside of which there is a fusible conductor that connects two contacts with each other, whereby, between two longitudinal areas that are adjacent to each other, the fusible conductor has a rotation point around which the longitudinal areas can be rotated in case of a thermo-mechanical expansion. 15-. (canceled)6. A melting fuse , especially for a motor vehicle that has a high-voltage circuit , said fuse comprising an electrically insulating housing inside of which there is a fusible conductor that connects two contacts with each other , characterized in that , between two longitudinal areas that are adjacent to each other , the fusible conductor has a rotation point around which the longitudinal areas can be rotated in case of a thermo-mechanical expansion , whereby the fusible conductor is surrounded in the insulating housing by an arc suppressing means and whereby the fusible conductor is movable inside the arc suppressing means that surrounds it.71. The melting fuse according to claim , characterized in that the arc suppressing means is quartz sand. The invention relates to a melting fuse, especially for a motor vehicle that has a high-voltage circuit, according to the generic part of claim .Melting fuses have been known for a long time. They constitute an overcurrent protective device that interrupts the electric circuit by melting a fusible conductor. The fusible conductor is heated by the current that passes through it, and it melts if the current passing through it is markedly exceeded during a certain time span.Melting fuses heat up under a strong electric load. The resultant thermo-mechanical expansions can ultimately lead to fatigue failure of the fusible conductor.When it comes to protecting high-voltage electric circuits in motor vehicles having an electric or hybrid drive, very high requirements are made ...

EXPLOSION-PROOF FUSE

An explosion-proof fuse includes: at least one first tube, an inside thereof configured with an alloy wire, a length of the alloy wire is larger than the one of the first tube, allowing each end of the alloy wire to be extended out of the first tube; at least one second tube, covered on and combined with an outside of the first tube, and an length of the second tube being larger than the one of the first tube; a plurality of isolating fixing member, each filled inside the second tube and stuck to an respective end face of the first tube, and each isolating fixing member covered on an outside of the alloy wire; and a plurality of covers, each in combined with a respective end of the second tube, an inner side of the cover in combination with a respective end of the alloy wire. 1. An explosion-proof fuse , comprising:at least one first tube, an inside thereof configured with an alloy wire, a length of said alloy wire is larger than a length of said at least one first tube, allowing each of ends of said alloy wire to be respectively extended out of ends of said at least one first tube;at least one second tube, covered on and combined with an outside of said at least one first tube, and a length of said at least one second tube being larger than the length of said at least one first tube;a plurality of isolating fixing members, each filled inside said at least one second tube and stuck to an end face of each of the ends of said at least one first tube, wherein each isolating fixing member of the plurality of isolating fixing members is covered on an outside of said alloy wire; anda plurality of covers, each combined with a respective one of ends of said at least one second tube, wherein an inner side of each cover of the plurality of covers is combined with a respective end of said alloy wire,wherein said at least one second tube comprises an intermediate section between the ends of said at least one second tube, the intermediate section having a predetermined length, ...

SURFACE MOUNT FUSE

A surface mount fuse including a fuse body having a base including a floor and a plurality of adjoining sidewalls defining an interior cavity, wherein top edges of the sidewalls define a recessed shoulder bordering the interior cavity, and a cover including a main body disposed on the recessed shoulder and enclosing the interior cavity, first and second terminals extending through opposing sidewalls of the base, the first and second terminals extending around the opposing sidewalls and the cover and disposed in abutment therewith to secure the cover to the base, and a fusible element extending through the interior cavity and connected to the first and second terminals. 1. A surface mount fuse comprising:a fuse body comprising:a base including a floor and a plurality of adjoining sidewalls defining an interior cavity, wherein top edges of the sidewalls define a recessed shoulder bordering the interior cavity; anda cover including a main body disposed on the recessed shoulder and enclosing the interior cavity;first and second terminals extending through opposing sidewalls of the base, the first and second terminals extending around the opposing sidewalls and the cover and disposed in abutment therewith; anda fusible element extending through the interior cavity and connected to the first and second terminals.2. The surface mount fuse of claim 1 , wherein the cover includes flanges extending from longitudinal ends thereof claim 1 , the flanges disposed within complementary notches formed in the top edges of the opposing sidewalls of the base.3. The surface mount fuse of claim 2 , wherein the fusible element extends out of the interior cavity through the notches.4. The surface mount fuse of claim 1 , wherein a top surface of the cover is coplanar with the top edges of the sidewalls of the base.5. The surface mount fuse of claim 1 , wherein the first and second terminals secure the cover to the base.6. The surface mount fuse of claim 1 , wherein the fusible element is ...

Fuse component

A fuse component ( 1 ) has a fuse element ( 2 ). The fuse element ( 2 ) is located inside an isolating body ( 3 ) and the fuse element ( 2 ) extends between the two end faces of the isolating body ( 3 ). Each of the end faces of the isolating body ( 3 ) are closed by electrical conductive end caps ( 4 ) and the end caps ( 4 ) are in electrical contact with the fuse element ( 2 ). The isolating body ( 3 ) includes at least two shells ( 5 a, 5 b ); at least in the region of the end caps ( 4 ), and the shells ( 5 a, 5 b ) in the assembled state form a channel ( 6 ) to receive the fuse element ( 2 ).

FUSE UNIT AND METHOD OF MANUFACTURING FUSE UNIT

The present invention provides a fuse unit, which reduces the number of components of a bus bar and eliminates alignment of tuning fork terminals, and a method of manufacturing the fuse unit. Disclosed is a method of manufacturing a fuse unit, which includes a bus bar including a battery terminal, a fuse connection terminal, and an external connection terminal and is manufactured by integrating the bus bar and a resin covering body by insert molding. In this manufacturing method, the fuse connection terminal is constituted of an input side tuning fork terminal connected to the battery terminal and an output side tuning fork terminal connected to the external connection terminal, the input side tuning fork terminal and the output side tuning fork terminal are connected by a joining portion so as to face each other, the bus bar including the fuse connection terminal is integrated with the resin covering body by insert molding. After the insert molding, the joining portion is cut and removed through a cutting window of the resin covering body, which exposes the joining portion to the outside, and the input side tuning fork terminal and the output side tuning fork terminal are separated. 1. A method of manufacturing a fuse unit , which comprises a bus bar comprising a battery terminal , a fuse connection terminal , and an external connection terminal and is manufactured by integrating the bus bar and a resin covering body by insert molding , the fuse unit manufacturing method comprising:composing the fuse connection terminal from an input side tuning fork terminal connected to the battery terminal and an output side tuning fork terminal connected to the external connection terminal, and connecting the input side tuning fork terminal and the output side tuning fork terminal via a joining portion such that they face each other,integrating the bus bar comprising the fuse connection terminal with the resin covering body by insert molding, andafter the insert molding, ...

MONITORING SYSTEMS AND METHODS FOR DETECTING THERMAL-MECHANICAL STRAIN FATIGUE IN AN ELECTRICAL FUSE

Systems and methods for detecting thermal-mechanical strain fatigue in an electrical fuse include a controller configured to monitor at least one fuse fatigue parameter over a period of time while the fuse is connected to an energized electrical power system, and based on the monitored at least one fuse fatigue parameter, the controller is further configured to determine at least one of a consumed service life of the fuse element or a service life remaining of the fuse element. 120-. (canceled)21. A fatigue assessment system for an electrical fuse , the system comprising: assess a state of fatigue of the electrical fuse based on one of a monitored resistance of the electrical fuse over time or a monitored mechanical strain condition of the electrical fuse over time while the electrical fuse is connected to an energized electrical power system; and', 'communicate a consumed service life of the electrical fuse or a service life remaining of the electrical fuse based on the assessed state of fatigue., 'a processor-based control device configured to22. The system of claim 21 , wherein the processor-based control device is further configured to generate an alert or notification to avoid a nuisance-type operation of the electrical fuse due to fatigue23. The system of claim 21 , wherein the processor-based control device is further configured to:assess the state of fatigue of the electrical fuse by comparing the monitored resistance to a predetermined fatigue baseline for the electrical fuse.24. The system of claim 21 , wherein the processor-based control device is further configured to:assess the state of fatigue of the electrical fuse by evaluating a rate of change in the monitored resistance over time.25. The system of claim 21 , wherein the processor-based control device is further configured to assess the state of fatigue in view of a monitored current flow through the fuse.26. The system of claim 25 , wherein the processor-based control device is further configured ...

PROTECTION DEVICE

A protection device comprises a substrate, a fusible element, a flux and an insulating cover. The fusible element is disposed on the substrate and connects to a power line of an apparatus to be protected. The flux is disposed on the fusible element. The insulating cover is secured on the substrate to form a room for receiving the fusible element. The insulating cover has a bottom surface facing the substrate, and a plurality of protrusions are formed and distributed on the bottom surface to hold the flux in place. 1. A protection device , comprising:a substrate;a fusible element disposed on the substrate and connecting to a power line of an apparatus to be protected;a flux disposed on the fusible element; andan insulating cover secured to the substrate to form a room for receiving the fusible element, the insulating cover having a bottom surface facing the substrate, and a plurality of protrusions are formed and distributed on the bottom surface to hold the flux in place.2. The protection device of claim 1 , wherein the gaps among the protrusions absorb the flux by capillarity.3. The protection device of claim 1 , wherein an area covered by the protrusions exceeds one third of an area of the bottom surface of the insulating cover.4. The protection device of claim 1 , wherein the protrusion is shaped of a cylinder claim 1 , an elliptic cylinder claim 1 , a triangular prism claim 1 , a square column claim 1 , a hexagonal column or a cone.5. The protection device of claim 1 , wherein the protrusion has a wide top and a narrow bottom.6. The protection device of claim 1 , wherein the protrusion has a taper sidewall with an angle of 5-45 degrees.7. The protection device of claim 1 , wherein the protrusions at a center of the bottom surface of the insulating cover are shorter than the protrusions at a perimeter of the bottom surface of the insulating cover.8. The protection device of claim 1 , wherein the protrusions are distributed on the bottom surface of the insulating ...

INTEGRAL COMPLEX SAFETY APPARATUS

Provided is an integral complex safety apparatus in which a first lead and a second lead are electrically connected by interposing a fusible body, a conductive member, and a resistor therebetween, and inside a housing, the first lead and the conductive member are electrically connected by a restoring force due to compression of a spring and the first lead and the conductive member are electrically separated by the fusion of the fusible body installed inside the housing. 1. An integral complex safety apparatus comprising:an insulating housing having one open end and provided with an internal space;a conductive member disposed in the internal space and extending to an outer surface of the housing;an insulating bushing inserted into and installed in the internal housing from the open end;a first lead passing through and fixed to the insulating bushing;a spring disposed in the internal space;a fusible body disposed in the internal space;a resistor disposed on the outer surface of the insulating housing and electrically connected to the conductive member; anda second lead coupled to the other end of the housing and electrically connected to the resistor, whereinthe first lead and the conductive member are electrically connected to each other by a restoring force due to compression of the spring and the first lead and the conductive member are electrically separated from each other by the melting of the fusible body.2. The integral complex safety apparatus of claim 1 , whereinthe fusible body is coupled to the spring such that while a predetermined portion of the spring is extended, the fusible body is applied to the predetermined portion of the spring to surround the predetermined portion and is cured, whereby both ends of the spring respectively contact the first lead and the conductive member.3. The integral complex safety apparatus of claim 1 , wherein the fusible body is inserted into an inside of the spring from one end of the spring such that a portion thereof is ...

COMPACT DUAL ELEMENT FUSE UNIT, MODULE AND FUSIBLE DISCONNECT SWITCH

An embodiment of a fuse module has been disclosed. The fuse module includes a housing and a fuse element assembly contained within the housing. The fuse element assembly includes at least one fuse element unit having a plurality of trigger mechanisms and a perforated strip electrically connected to the trigger mechanisms. Increased ampacity ratings in a more compact arrangement provides for fuse modules having increased current protection capability that, in turn, provides for improved disconnect switching capabilities. 17-. (canceled)8. A fuse element for containment in a generally hexahedronal housing of a time-delay fuse module having an ampacity rating of greater than 100 A , the fuse element comprising:a first end;a second end; anda perforated body extending between the first end and the second end, wherein one of the ends has a plurality of distinct connection points.9. The fuse element of claim 8 , wherein the plurality of distinct connection points are spaced apart from one another.10. The fuse element of claim 9 , wherein the plurality of distinct connection points comprises a plurality of tabs.11. The fuse element of claim 10 , wherein the one of the first and second ends has a substantially linearly extending fin such that the plurality of tabs are defined on the fin.12. The fuse element of claim 11 , wherein the one of the first and second ends has a base wall claim 11 , and wherein the substantially linearly extending fin extends substantially perpendicularly from the base wall.13. The fuse element of claim 8 , further comprising a plurality of spaced-apart layers claim 8 , one of which includes the perforated body.14. The fuse element of claim 13 , wherein the plurality of spaced-apart layers are integrally formed together such that adjacent ones of the layers are connected by a plurality of joints.15. A fusible disconnect switch assembly comprising:a switch housing having a receptacle; anda time-delay fuse module removably insertable into the ...

POROUS INLAY FOR FUSE HOUSING

A fuse may include a housing having a cavity. The fuse may also include a fuse element disposed within the cavity; a plurality of terminals extending out of the housing and electrically connected to the fuse element; and porous material disposed in the cavity adjacent to the fuse element, the porous material having a plurality of pores, the porous material further comprising an open pore structure wherein at least some of the pores are disposed on an outer surface of the porous material facing the fuse element. 1. A fuse , comprising:a housing having a cavity;a fuse element disposed within the cavity;a plurality of terminals extending out of the housing and electrically connected to the fuse element; andporous material disposed in the cavity, the porous material having a plurality of pores, the porous material further comprising an open pore structure wherein at least some of the pores are disposed on an outer surface of the porous material facing the fuse element.2. The fuse of claim 1 , wherein the porous material is configured to catch vaporized material of the fuse element.3. The fuse of claim 1 , wherein the porous material is silicone foam.4. The fuse of claim 1 , wherein the porous material is disposed above and below the fuse element.5. The fuse of claim 1 , wherein the porous material comprises a pore size of between five micrometers and five millimeters.6. The fuse of claim 1 , wherein the housing comprises a plurality of ribs configured to engage the porous material claim 1 , wherein the porous material is in a compressed state when the fuse is assembled.7. The fuse of claim 6 , wherein the plurality of ribs define a box having a first size claim 6 , wherein the porous material has a second size in an uncompressed state greater than the first size.8. The fuse of claim 1 , wherein the housing is configured to center the porous material about the fuse element.9. The fuse of claim 1 , wherein the plurality of terminals includes a first terminal and a second ...

Fuse line fixing structure of fuse

A fuse line fixing structure of a fuse includes a base having first and second support sections. The first support section has two sides each forming a first wing and a first concave surface is formed between the first support section and the first wings. First and second electrodes are respectively arranged at two ends of the base. The first electrode includes a first curved plate arranged between the first support section and the first wings. The first curved plate has a convex engagement surface positioned against the first concave surface and a concave engagement surface facing toward an upper side of the first concave surface. The fuse line straddles between the first and second support sections and has an outer circumferential surface in mutual contact, through surface to surface engagement, with the concave engagement surface of the first curved plate.

COMPACT HIGH VOLTAGE POWER FUSE AND METHODS OF MANUFACTURE

A high voltage power fuse having a dramatically reduced size facilitated by silicated filler material, a formed fuse element geometry, and arc barrier materials. Methods of manufacture are also disclosed. 1. A power fuse comprising:a housing;first and second terminals extending from the housing;at least one fuse element extending internally in the housing and between the first and second terminals; anda filler surrounding the at least one fuse element in the housing, wherein the filler is mechanically bonded to the fuse element assembly.2. The power fuse of claim 1 , wherein the filler comprises sodium silicated sand.3. The power fuse of claim 1 , wherein the at least one fuse element comprises a short circuit fuse element and an overload fuse element.4. The power fuse of claim 3 , wherein the short circuit fuse element and the overload fuse element are substantially identically formed fusible elements.5. The power fuse of claim 4 , wherein each of the short circuit fuse element and the overload fuse element are arranged in the housing as mirror images of one another.6. The power fuse of claim 4 , wherein each of the short circuit fuse element and the overload fuse element includes a plurality of substantially co-planar sections separated by a plurality of oblique sections.7. The power fuse of claim 6 , wherein each of the plurality of substantially co-planar sections includes a plurality of apertures defining a plurality of weak spots.8. The power fuse of claim 7 , wherein the weak spots of the overload fuse element are provided with an M-effect treatment.9. The power fuse of claim 3 , wherein at least a portion of the short circuit fuse element and at least a portion of the overload element is provided with an arc barrier material.10. The power fuse of claim 1 , wherein the fuse has a voltage rating of at least 500 VDC.11. The power fuse of claim 10 , wherein the housing is cylindrical.12. The power fuse of claim 11 , wherein the cylindrical housing has an axial ...

CASING REPLACEABLE FUSE ASSEMBLY

A fuse assembly includes a casing having two slots defined through the first end thereof, and a conductive member is located in the casing and has a first end extending through the second end of the casing. The conductive member includes two blades with a fuse connected therebetween. A cap is detachably mounted to the first end of the casing and has a light member connected thereto. The light member has a leg portion which is electrically connected to a second end of the conductive member. When the fuse is burned off, the light member lights on, the cap is removed from the casing, and is detachably connected to a new casing with a functional fuse therein. 1. A fuse assembly comprising:a casing having two slots defined through a first end thereof, the casing having a room defined therein which communicates with the two slots, two protrusions extending from an inside of the room;a conductive member located in the casing and having a first end extending through a second end of the casing, the conductive member including two blades which are located with a gap formed therebetween, a fuse connected between the two blades, each of the two blades having a hole, the two protrusions engaged with the two holes of the two blades;a cap having an open bottom which is detachably mounted to the first end of the casing, anda light member connected to the cap and having a bulb and a leg portion which is electrically connected to the bulb, the leg portion being electrically connected to a second end of the conductive member.23-. (canceled)4. The fuse assembly as claimed in claim 1 , wherein the leg portion of the light member has two legs claim 1 , the leg portion is electrically connected to the bulb claim 1 , the two legs extend through the slots and are electrically connected to the two blades.5. The fuse assembly as claimed in claim 4 , wherein the cap has at least one anti-slip face defined in an outside thereof. The present invention relates to a fuse assembly, and more ...

TEMPERATURE-SENSITIVE PELLET TYPE THERMAL FUSE

A temperature-sensitive pellet type thermal fuse having a cylindrical metal case (), a first lead () fixedly installed and insulated from the case () and a second lead () electrically connected to the case (). A temperature-sensitive pellet () is installed by melting inside the case () and has a variable height. A moving terminal () is elastically coupled by a first spring () to the temperature-sensitive pellet () and an activating member () moves in a height decrease direction of the temperature-sensitive pellet () by an elastic repulsive force of a second spring (). When the temperature-sensitive pellet () is melted and thereby is reduced in height, a first moving contact () of the moving terminal () is separated from a first contact () of the first lead (). 1. A temperature-sensitive pellet type thermal fuse comprising:{'b': 11', '1', '11', '11', '20', '2', '11', '12', '11', '15', '17', '12', '12, 'a cylindrical metal case (); a first lead () fixedly installed on one end of the case () to be insulated from the case () by an insulating bushing (); a second lead () electrically connected to the other end of the case (); a temperature-sensitive pellet () installed inside the case () and having a height varied while being melted at a predetermined temperature or higher; and a moving terminal (), one end of which is elastically supported by a first spring () to the temperature-sensitive pellet (), and electrically separating the first lead and the second lead from each other in accordance with height decrease of the temperature-sensitive pellet (),'}{'b': 19', '11', '20', '16', '11', '15', '12', '18', '12', '12', '16', '16', '16', '1', '1', '12, 'i': b', 'a, 'wherein the temperature-sensitive pellet type thermal fuse further comprises: a fixed terminal plate () fitted in the case () under the insulating bushing () to slidably guide and electrically connect the moving terminal () with the case (); and an activating member () moving in the direction of a height decrease ...

TEMPERATURE-SENSITIVE PELLET TYPE THERMAL FUSE

A temperature-sensitive pellet type thermal fuse having a cylindrical metal case () with one end electrically connected to a first lead (L) and a second lead (L) installed on the other end via an insulating bushing (). A temperature-sensitive pellet () on a spring () is in an inner space (S) of the case (). A switch terminal () has an upper surface () electrically connected to the second lead (L) by an elastic force of the spring (). A contact terminal piece () extends from the upper surface () to contact the inner wall surface () of the case . An activating member operates when the temperature-sensitive pellet () is reduced in height to a predetermined level or less, and releases contact between the contact terminal piece () and the case () to cut off an electrical connection between the first lead (L) and the second lead (L). 1{'b': 10', '1', '2', '10', '50, 'a cylindrical metal case (), one end of which is electrically connected to a first lead (L) while a second lead (L) is installed to the other end to be insulated from the case () by an insulating bushing ();'}{'b': 30', '13', '1', '10, 'a temperature-sensitive pellet () elastically supported by a spring () in an inner space (S) of the case ();'}{'b': 40', '42', '2', '41', '42', '42', '41', '42', '11', '10, 'a switch terminal () made by forming a thin metal sheet, and comprising an upper surface () contacting a fixed contact on one end of the second lead (L) so as to be electrically connected to each other, and a plurality of contact terminal pieces () disposed on an edge of the upper surface () spaced by a predetermined space from each other along the perimeter of the upper surface (), wherein each of the plurality of the contact terminal pieces () convexly extends from the upper surface () towards a radially outer upper direction to contact an inner wall surface () of the case () so as to be electrically connected to each other; and'}{'b': 20', '22', '23', '24', '22', '11', '10', '11', '10', '20', '11', '10 ...

FUSE LINK EXHAUST SYSTEMS AND METHODS

A power fuse assembly includes a fuse mounting, a fuse unit, and a hinge assembly. The fuse unit is configured to carry current from a line connection to a load connection. The hinge assembly is configured to be removeably coupled to the fuse unit and to allow rotation of the fuse unit relative to the fuse mounting. The hinge assembly including: an inlet configured to accept incoming gases produced by the fuse unit in response to an overload event, the inlet having a first orientation; an outlet in fluid communication with the inlet, the outlet having a second orientation that is not equal to the first orientation; and a diverter component disposed between the inlet and the outlet, the diverter configured to guide the flow of the gases between the inlet and the outlet. 1. A power fuse assembly comprising:a fuse mounting;a fuse unit configured to carry current from a line connection to a load connection; an inlet configured to accept incoming gases produced by the fuse unit in response to an overload event, the inlet having a first orientation;', 'an outlet in fluid communication with the inlet, the outlet having a second orientation that is not equal to the first orientation; and', 'a diverter component disposed between the inlet and the outlet, the diverter configured to guide the flow of the gases from the inlet in the first orientation to the outlet in the second orientation., 'a hinge assembly removably coupling the fuse unit to the fuse mounting to allow rotation of the fuse unit relative to the fuse mounting, the hinge assembly including2. The power fuse assembly of claim 1 , wherein the fuse unit has a longitudinal axis claim 1 , the orientation of the outlet has a predetermined angle in a range between 40 and 50 degrees with respect to the longitudinal axis.3. The power fuse assembly of claim 2 , wherein the orientation of the outlet faces away from a front region of the power fuse assembly.4. The power fuse assembly of claim 2 , further comprising a ...

HOLLOW FUSE BODY WITH NOTCHED ENDS

Hollow bodies and hollow body fuses are disclosed. Furthermore, methods to provide hollow bodies and hollow body fuses are disclosed. In one implementation, a hollow body includes a center portion and an end portion. An endcap may be coupled to the end portion. A cavity is formed between an inside surface of the endcap and an outer periphery of the end portion. A fusible element may be disposed within the hollow body, the fusible element may be further disposed within the cavity formed between the inside surface of the endcap and the outer periphery of the end portion, the fusible element traveling a substantially diagonal path through a center of the cavity. 1. A fuse , comprising:a hollow body including a center portion and a first end portion, the first end portion narrower than the center portion;a first endcap coupled to the first end portion, a cavity formed between an inside surface of the first endcap and an outer periphery of the first end portion;a fusible element disposed within the hollow body, the fusible element further disposed within the cavity formed between the inside surface of the first endcap and the outer periphery of the first end portion; andsolder disposed in the cavity, the solder surrounding the fusible element disposed within the cavity with the solder disposed between the fusible element and the inside surface of the first endcap and between the fusible element and the outer periphery of the first end portion such that the fusible element is disposed directly over the solder along the outer periphery of the first end portion.2. The fuse according to claim 1 , wherein the fusible element extends along a substantially diagonal path through a center of the cavity.3. The fuse according to claim 1 , wherein the fusible element is sandwiched between a portion of the inside surface of the first endcap and a portion of an outer periphery of the center portion.4. The fuse according to claim 1 , wherein the fusible element is offset from the outer ...

MONITORING SYSTEMS AND METHODS FOR DETECTING THERMAL-MECHANICAL STRAIN FATIGUE IN AN ELECTRICAL FUSE

Systems and methods for detecting thermal-mechanical strain fatigue in an electrical fuse fatigue include a controller configured to monitor at least one fuse fatigue parameter over a period of time while the fuse is connected to an energized electrical power system, and based on the monitored at least one fuse fatigue parameter, the controller is further configured to determine at least one of a consumed service life of the fuse element or a service life remaining of the fuse element. 1. An electrical fuse fatigue assessment system comprising:a controller configured to monitor at least one fuse fatigue parameter over a period of time while the fuse is connected to an energized electrical power system; andbased on the monitored at least one fuse fatigue parameter, the controller is further configured to determine at least one of a consumed service life of the fuse element or a service life remaining of the fuse element.2. The system of claim 1 , wherein the at least one fuse fatigue parameter includes one of a change in resistance claim 1 , a change in mechanical strain of the fuse element claim 1 , or an accumulated damage component.3. The system of claim 1 , further comprising a current source claim 1 , wherein the controller is configured to measure a resistance of the fuse based on an injected current across the fuse element from the current source.4. The system of claim 1 , wherein the controller is configured to compare the measured resistance to a predetermined fuse fatigue resistance plot.5. The system of claim 1 , further comprising compensation circuitry configured to detect current flow through the fuse.6. The system of claim 5 , wherein the controller is configured to calculate a strain associated with the current flowing through the fuse.7. The system of claim 6 , wherein the controller is configured to compare the calculated strain to a predetermined fuse fatigue strain plot.8. The system of claim 1 , wherein the controller is configured to calculate a ...

Protective Element

Disclosed is a protective element, comprising an insulator, a melt and electrodes, wherein the insulator covers a meltable part of the melt. The electrodes are disposed at two ends of the insulator. Two ends of the melt are electrically connected to the electrodes. Wave absorbing structures are disposed around the melt in the insulator, a plurality of protrusions is provided on the wave absorbing structures, and the protrusions face the melt. Distances exist between the wave absorbing structures and the melt. The present invention improves the shape of a melt and designs wave absorbing structures which can resist an impact, energy waveforms can be destroyed, impact energy is dispersed to the periphery so as to achieve the aim of wave (energy) absorbing, a breaking performance of a protective element can be at least doubled by virtue of the design of the wave absorbing structure, a manufacturing process is simple, and the protective element is suitable for batch production. 1. A protective element , comprising an insulator , a melt and electrodes , the insulator covering a meltable part of the melt , the electrodes being disposed at two ends of the insulator , two ends of the melt being electrically connected to the electrodes , and wherein wave absorbing structures are disposed around the melt in the insulator , a plurality of protrusions is provided on the wave absorbing structures , the protrusions face the melt , and distances exist between the wave absorbing structures and the melt.2. The protective element according to claim 1 , wherein a cavity is provided in the insulator claim 1 , the meltable part in the melt is suspended in the cavity claim 1 , the wave absorbing structures are a plurality of protrusions disposed on a wall of the cavity claim 1 , top ends of the protrusions face the melt claim 1 , and distances exist between the protrusions and the melt.3. The protective element according to claim 2 , wherein the protrusions are conical claim 2 , truncated ...

Pressure-compensated fuse assembly

A pressure-compensated fuse assembly may include a first chamber housing a first fluid and a plurality of solid particles. Additionally, the fuse assembly may include a second chamber housing a second fluid. Further, the fuse assembly may include a pressure compensator disposed between the first chamber and the second chamber. The pressure compensator may be configured to transfer pressure from the second fluid in the second chamber to the plurality of solid particles in the first chamber.

HIGH VOLTAGE POWER FUSE INCLUDING FATIGUE RESISTANT FUSE ELEMENT AND METHODS OF MAKING THE SAME

A power fuse includes a housing, first and second conductive terminals extending from the housing, and at least one fatigue resistant fuse element assembly connected between the first and second terminals. The fuse element assembly includes at least a first conductive plate and a second conductive plate respectively connecting the first and second conductive terminals, and a plurality of separately provided wire bonded weak spots interconnecting the first conductive plate and the second conductive plate. 1. A power fuse comprising:a housing;first and second conductive terminals extending from the housing; andat least one fatigue resistant fuse element assembly connected between the first and second terminals; at least a first conductive plate and a second conductive plate respectively connecting the first and second conductive terminals; and', 'a plurality of wire bonded weak spots interconnecting the first conductive plate and the second conductive plate, each of the plurality of wire bonded weak spots being separately provided from one another and having a first end connected to first conductive plate and a second connected to the second conductive plate., 'wherein the at least one fatigue resistant fuse element assembly comprises2. The power fuse of claim 1 , wherein the first conductive plate and the second conductive plate are fabricated from a first conductive material claim 1 , and wherein the wire bonded weak spots are fabricated from a second conductive material different from the first conductive material.3. The power fuse of claim 2 , wherein the first conductive material is copper.4. The power fuse of claim 3 , wherein the second conductive material is aluminum.5. The power fuse of claim 2 , wherein the second conductive material is silver.6. The power fuse of claim 1 , further comprising a sealing element covering respective ends of the wire bonded weak spots that are connected to the respective first conductive plate and the second conductive plate ...

FUSE HOLDER AND CARRIER

A fuse holder for holding a fuse is provided. The fuse holder includes a body, a line side connector supported by the body, and a load side connector supported by the body. The fuse holder also includes a fuse carrier supported by the body. The fuse carrier is adapted for holding the fuse and the fuse carrier is adapted to be removed from the fuse holder. The fuse carrier defines a longitudinal axis thereof. The fuse carrier is separable from the body in a direction along the longitudinal axis of the fuse carrier. 1. A fuse holder for holding a fuse , comprising:a body;a line side connector supported by said body;a load side connector supported by said body;a fuse carrier, said fuse carrier supported by said body, said fuse carrier holding the fuse and said fuse carrier removable from said fuse holder, said fuse carrier defining a longitudinal axis, said fuse carrier being separable from said body in a direction along the longitudinal axis of said fuse carrier;a switch supported by said body, said switch including a first position providing electrical connection between said line side connector and said load side connector and including a second position providing electrical isolation between said line side connector and said load side connector; anda cam pivotably supported by said body and connected to said switch and engageable with said fuse carrier to move said switch from the first position to the second position and to release the fuse carrier from said body as the fuse carrier is separated from the body in a direction along the longitudinal axis of said fuse carrier.2. The fuse holder as in claim 1 , further comprising a blocking device for blocking the engagement of said switch into the first position when the fuse carrier is not located within the fuse holder.3. The fuse holder as in :wherein said switch comprises a toggle switch supported by said body, said switch being in toggled engagement in the first position providing electrical connection between ...

HOLLOW FUSE BODY WITH TRENCH

Provided herein are protection devices, such as fuses, including a set of trenches or pockets for retention of solder therein. In some embodiments, a fuse includes a body including a center portion extending between a first and second end portions. The first end portion includes a first trench formed in a first end surface, and the second end portion includes a second trench formed in a second end surface. The fuse may further include a first and second endcaps surrounding respective first and second end portions. The fuse may include a fusible element disposed within a central cavity of the body, the fusible element extending between the first end surface and the second end surface. In some embodiments, solder may be disposed within the first trench and the second trench, wherein the solder is in contact with the fusible element, the first endcap, or the second endcap. 1. A fuse comprising:a hollow body including a center portion extending between a first end portion and a second end portion, wherein the first end portion includes a first trench disposed in a first end surface, and wherein the second end portion includes a second trench disposed in a second end surface;a first endcap surrounding the first end portion and a second endcap surrounding the second end portion;a fusible element disposed within a central cavity of the hollow body, the fusible element extending between the first end surface and the second end surface; andsolder disposed within the first trench and the second trench, the solder in contact with at least one of: the fusible element, the first endcap, and the second endcap.2. The fuse according to claim 1 , the first trench and the second trench each comprising:a set of sidewalls;an interior wall extending between the set of sidewalls; anda base surface extending from the interior wall.3. The fuse according to claim 1 , wherein the solder is further disposed between the first end surface and the first endcap claim 1 , and between the second ...

Aluminum alloy miniature cartridge fuses

A high-capacity miniature cartridge fuse is provided. A fuse includes a cylindrical housing, a fusible wire, and first and second deep-drawn ferrules fabricated from aluminum alloy. The aluminum is plated with nickel. The ferrule includes a side wall and an end wall. The side wall surrounds the first or second end of the housing, and has a thickness of approximately 0.50 mm or less. The end wall includes a boss extending toward an interior of the housing, and has a thickness greater than the thickness of the side wall.

MONITORING SYSTEMS AND METHODS FOR ESTIMATING THERMAL-MECHANICAL FATIGUE IN AN ELECTRICAL FUSE

Thermal-mechanical fatigue assessment systems and methods include a controller operable to estimate a temperature of the conductor having a non-linear resistance based on an ambient temperature input and a current input for current flow through the conductor when connected to an energized electrical power system. A state of fatigue of the conductor may be assessed in view of an estimated first temperature differential between the conductor and an arc extinguishing medium surrounding the conductor, an estimated temperature differential between the temperature of the arc quenching medium and the ambient temperature, and the estimated temperature of the conductor. 1. A thermal-mechanical fatigue assessment system comprising:an electrical conductor having a non-linear resistance when connected to an energized electrical power system; anda controller operable to estimate an operating temperature of the conductor based on an ambient temperature input, a determined resistance, and a current flowing through the conductor at the determined resistance in the energized electrical power system over time.2. The thermal-mechanical fatigue assessment system of claim 1 , wherein the electrical conductor is an electrical fuse including a housing claim 1 , first and second terminal elements claim 1 , and a fuse element having the non-linear resistance when connected to an electrical power system.3. The thermal-mechanical fatigue assessment system of claim 2 , wherein the controller is further configured to:estimate the temperature of the fuse element based on an addition of an estimated first temperature differential, an estimated second temperature differential, and the ambient temperature;wherein the estimated first temperature differential is an estimated temperature differential between a temperature of the fuse element and a temperature of an arc quenching medium surrounding the fuse element, the estimated first temperature differential estimated based on the ambient temperature ...

Solderless Surface Mount Fuse

A solderless surface mount fuse including a base having a floor and a plurality of adjoining sidewalls defining a cavity, a fuse element including a separation portion spanning between two electrode portions, the separation portion and the electrode portions formed of a contiguous piece of material, the separation portion suspended within the cavity below top edges of the sidewalls of the base, and a cap having a ceiling and a plurality of adjoining sidewalls, the cap fitting over the base and the fuse element with bottom edges of the sidewalls of the cap disposed below the top edges of the sidewalls of the base, wherein the cavity of the base contains a fuse filler that completely surrounds the separation portion. 1. A solderless surface mount fuse comprising:a base comprising a floor and a plurality of adjoining sidewalls defining a cavity;a fuse element comprising a separation portion spanning between two electrode portions, the separation portion and the electrode portions formed of a contiguous piece of material, the separation portion suspended within the cavity below top edges of the sidewalls of the base; anda cap comprising a ceiling and a plurality of adjoining sidewalls, the cap fitting over the base and the fuse element with bottom edges of the sidewalls of the cap disposed below the top edges of the sidewalls of the base.2. The solderless surface mount fuse of claim 1 , wherein the electrode portions define respective hangers that extend over claim 1 , and rest on claim 1 , respective top edges of opposing sidewalls of the base.3. The solderless surface mount fuse of claim 1 , further comprising a mounting post extending upwardly from the base and into a mounting hole in the ceiling.4. The solderless surface mount fuse of claim 3 , wherein the mounting post is fastened to the ceiling.5. The solderless surface mount fuse of claim 3 , wherein the mounting post extends through a respective pass-through hole formed in one of the electrode portions.6. The ...

SUBSEA FUSE DEVICE

Example embodiments relate a subsea fuse device exposed to a high ambient pressure when deployed. The fuse device comprises a metallic fuse housing enclosing a low-pressure hollow space and a fuse arranged in the low-pressure hollow space, the fuse having two electrical connectors, wherein one of the electrical connectors of the fuse is electrically and thermoconductively coupled to the metallic fuse housing so as to provide an electrical connection between the fuse connector and the housing and to dissipate heat from the fuse. 1. A subsea fuse device comprising:a metallic fuse housing enclosing a low-pressure hollow space; anda fuse arranged in the low-pressure hollow space, the fuse having two electrical connectors, wherein one of the electrical connectors of the fuse is electrically and thermoconductively coupled to the metallic fuse housing so as to provide an electrical connection between the fuse connector and the housing and to dissipate heat from the fuse.2. The subsea fuse device of claim 1 , wherein the electrical connector of the fuse that is not in electrical contact with the metallic fuse housing includes an electrical feedthrough comprising a feedthrough connector traversing the metallic fuse housing claim 1 , wherein the feedthrough is pressure-tight and wherein the feedthrough connector is electrically isolated from the metallic fuse housing.3. The subsea fuse device of claim 1 , wherein the metallic fuse housing comprises an essentially cylindrical pot.4. The subsea fuse device of claim 1 , wherein the metallic fuse housing comprises an essentially cuboid pot.5. A subsea device claim 1 , comprising:{'claim-ref': {'@idref': 'CLM-00001', 'claim 1'}, 'an enclosure and an electric circuitry arranged within the enclosure, wherein the electric circuitry comprises a subsea fuse device according to .'}6. The subsea device of claim 5 , wherein the enclosure is filled with a fluid and comprises a volume/pressure compensator which balances the pressure inside ...

Temperature-sensitive pellet type thermal fuse

본 발명은 감온 펠릿형 온도 퓨즈에 관한 것으로, 특히 금속제 원통형 케이스(11)와, 상기 케이스(11)에 대하여 절연되게 상기 케이스(11)의 한쪽 선단에 절연부시(20)를 매개로 고정설치된 제1리이드(1)와, 상기 케이스(11)의 다른쪽 선단에 통전되게 연결된 제2리이드(2)와, 상기 케이스(11)의 내부에 설치되어 일정 온도 이상에서 용융되면서 높이가 변형되는 감온 펠릿(12)과, 상기 감온 펠릿(12)에 제1스프링(17)으로 탄력지지된 가동단자(16)와, 상기 감온 펠릿(12)이 용융되면서 높이가 감소할 때, 상기 절연부시(20)의 저면과 하단의 스프링 지지턱(15b)사이에 압축설치된 제2스프링(18)의 탄성 반발력에 의해 상기 감온 펠릿(12)의 높이 감소방향으로 이동하다가, 상기 감온 펠릿(12)이 일정한 높이로 감소한 시점부터 가동단자(16)의 제1가동접점(16b)을 제1리이드(1)의 제1고정접점(1a)로부터 분리시키도록 작동하는 작동 부재(15)와, 상기 절연부시(20)의 아래쪽에 고정 단자판(19)이 상기 케이스(11)과 통전되게 구비되고, 가동단자(15)의 슬라이드 직선이동을 안내하는 고정단자판(19)를 포함한 감온 펠릿형 온도퓨즈. The present invention relates to a thermosensitive pellet type thermal fuse and more particularly to a thermosensitive pellet type thermal fuse including a metal cylindrical case 11 and a thermally conductive fuse A second lead 2 connected to the other end of the case 11 so as to be energized and connected to the first lead 1 and the second lead 2 connected to the other end of the case 11, A movable terminal 16 resiliently supported by the first spring 17 on the thermosensitive pellet 12 and a movable terminal 16 mounted on the thermosensitive pellet 12 when the thermosensitive pellet 12 melts and decreases in height, The thermal pellet 12 is moved in the direction of decreasing the height of the thermal pellet 12 by the elastic repulsive force of the second spring 18 compressed between the bottom surface of the thermal pad 12 and the spring supporting step 15b of the lower end, The first movable contact 16b of the movable terminal 16 is moved from the first movable contact 16b of the first lead 1 A fixed terminal plate 19 is provided under the insulating bush 20 so as to be electrically connected to the case 11 and a movable terminal 15 is connected to the movable terminal 15, And a fixed terminal plate (19) for guiding slide linear movement of the thermal fuse.

一种熔断器

本发明公开了一种熔断器，包括，端盖，端盖上设有端盖内腔，端盖内腔内由左至右依次设有：密封件、第一塑料本体、密封圈、第二塑料本体、另一个密封件；第一塑料本体内设有第一端子固定腔，第二塑料本体内设有第二端子固定腔，第一端子固定腔和第二端子固定腔内分别固定有金属端子，两个金属端子之间设有熔断体；熔断体两端的导电端分别与两侧的弹性导电片顶紧接触、导电；金属端子与导线的接线端连接导电。本发明具有防水和绝缘功能，适合在有潮气和淋雨的场合使用；熔断体两端分别通过金属端子连接电线，安装时电线导体直接插入产品内部即可连接，无需拧紧螺钉或者使用压接钳压接导线，可减少施工难度和施工时间。

一种保护元件

本发明公开了一种保护元件，包括绝缘体、熔体、电极，其中绝缘体覆盖在熔体可熔部分之外，电极设置在绝缘体两端，熔体两端与电极形成电连接，绝缘体内部熔体周围设置有消波结构，消波结构上具有若干突起，突起朝向熔体，消波结构与熔体之间具有距离。本发明改进了熔体的形状，设计了能够抵抗冲击的消波结构，能够破坏能量波形，并将冲击能量分散至四周从而达到消波（能量）的目的，消波结构设计可将保护元件的分断性能提高一倍以上，制作工艺简单，适于批量生产。

热敏颗粒型热熔断器

本发明涉及热敏颗粒型热熔断器，该热熔断器尤其包括：金属材质的圆筒形壳体(11)；第一引脚(1)，以绝缘套管(20)为介质与所述壳体(11)绝缘地固定设置于所述壳体(11)的一侧前端；第二引脚(2)，与所述壳体(11)的另一侧前端通电连接；热敏粒(12)，设置于所述壳体(11)的内部，并且在温度达到一定温度以上时熔融且高度发生变化；活动端子(16)，通过第一弹簧(17)弹性支承于所述热敏粒(12)上；操作部件(15)，所述操作部件在所述热敏粒(12)熔融且高度下降时，通过压缩设置于所述绝缘套管(20)的底面与下端的弹簧支承台(15b)之间的第二弹簧(18)的反弹力而朝着所述热敏粒(12)的高度降低的方向移动，并且自所述热敏粒(12)下降至一定高度的时间点开始，使活动端子(16)操作为活动端子(16)的第一活动触点(16b)与第一引脚(1)的第一固定触点(1a)分离；以及固定端子板(19)，设置于所述绝缘套管(20)的下方以与所述壳体(11)通电，并且引导所述活动端子(16)直线滑动。

一种可快速更换的套管式高压熔断器

本发明涉及高压熔断器技术领域，尤其是一种可快速更换的套管式高压熔断器，包括瓷件、上支座、上触头、熔断机构、下触头和下支座，熔断机构通过触头结构与支座结构固定连接，避免传统可拆卸式熔断器可能造成的因稳定性差而掉落砸伤工人事件，熔丝网配合间连筒实现对熔管组件的双重保护，运行过程中的熔管组件的位置稳定性佳，更换时通过人力向内推动内推杆即可使内端套与限位盘的连接状态被解除，熔管组件不再接入到电路中，在取出前保证熔管处于断电状态，防止工人更换熔管时发生触电事故，依靠装置自身结构即可实现熔管的固定和拆除，无需工人佩戴工具，徒手即可完成装拆过程，操作方便，实用性更佳。

All-match fuse box and automobile

本发明提供了一种百搭型保险盒及汽车，所述百搭型保险盒包括横截面为多边形的盒体、盒盖以及安装在盒体上的多个接线柱，所述多边形盒体的中心和每个角均安装一个接线柱，相邻接线柱之间开路或者由保险片或桥接片连接，在盒体的距离每个接线柱最近的两个侧壁上均设有与该接线柱相对应的出线口。所述汽车安装有上述百搭型保险盒。本发明将接线柱布置在保险盒的中心和各个角上，每个接线柱都可以有两个走线方向，而且盒内的多个接线柱之间可以有多种连接形式，走线方向和连接形式都可以根据不同的车型要求进行灵活调整，大大提高了保险盒的通用性，为整车布置提供了便利条件。<i/>