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Match Document Document Title
7345569 Temperature sensitive protection device for circuits  
A protection device includes a bi-metallic plate electrically connected between the first and second terminals, and the bi-metallic plate is bent upward to separate two contact points when the...
7345568 Dual protection device for circuits  
A protection device includes a bi-metallic plate having a first end fixed to a first terminal and a second of the bi-metallic plate has a first contact point so as to contact a second contact point...
7301431 ***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***
Electroceramic component  
An electric component includes a first base body that connects to a first contact, and an ally conducting element positioned along a current path between the first contact and a second contact. The...
6608546 Fuse and fuse support  
A 42V fuse and a fuse support used in an electric circuit of an automobile. The 42V fuse includes first and second terminals, a fuse line connecting the first and second terminals, and a housing....
6587028 Fused disconnect switch  
A fused disconnect switch assembly includes a switch housing assembly and a pull out fuse assembly. The switch housing assembly includes a housing defining a fuse receptacle, first and second...
6583711 Temperature sensitive circuit breaker  
A temperature sensitive circuit breaker includes two contacts electrically mounted on a circuit board and an insulating pivot seat attached to the circuit board between the two contacts. A lever...
6563685 Thermal protection relay  
The thermal protection relay determines a value representative of the thermal image of an apparatus to be protected according to a measured current value, to a previous value of the thermal image...
6492747 Electric fuse  
The invention relates to a fuse having an input connection ( 1 ), an output connection ( 2 ) and two parallel current paths which connect both connections to one another. The current paths are...
6239977 Technique for mounting electronic components on printed circuit boards  
A PCMCIA (Personal Computer Memory Card International Association) modem card includes a PCB (printed circuit board) sealed in a slender enclosure, typically the size of a credit card. The PCB...
6132257 Electrical socket device with overheating and overcurrent protection  
An electrical socket device includes a base member formed with an open top side for access to a mounting chamber. Two conductive prong engaging members are mounted on the base member inside the...
6111758 Electronic component having alternate functionalities  
An electronic component (100) includes a body portion (105) for enclosing first and second electronic devices (415, 430). The component (100) has first and second leads (110, 115) extending...
RE36317 Indicating fuse block  
An indicating fuse assembly includes an electrically non-conductive housing; an array of first and second electrically conductive contacts supported by the housing, each pair of first and second...
5942966 Closing-edge-type fuse  
The invention concerns a closing-edge-type fuse with a safety strip (1) which comprises an electric switch device and consists of a plurality of contact elements (2, 2a) which are disposed in a row...
5907270 Current-limiting switch  
A current-limiting switch, with current connections and contacts, at least one of which is movable, having an associated drive, for opening the moving contact when a predefined electric current...
5859580 Service plug having male and female terminals permanently coupled to the service plug for closing a protected circuit  
A service plug includes a circuit accommodating body that has circuit terminals internally arranged therein, the circuit terminals being connected to end portions of an open electric circuit; and a...
5831507 Dual-functional fuse unit that is responsive to electric current and ambient temperature  
A dual-functional fuse unit, which is responsive to an electric current and an ambient temperature, contains a current sensing fuse and a temperature sensing fuse element. The current sensing fuse...
5783987 Pyrotechnic high-current safety fuse element  
A pyrotechnic high-current fuse element in which a current conductor located in a circuit to be protected is interrupted or displaced by ignition of a pyrotechnic charge when the current strength...
5629569 Thermal photocontrol switch circuit  
A self-configuring photoelectric control circuit for controlling operation of a load based on ambient light. The photocontrol circuit comprises a photocell responsive to ambient light, a heating...
5592139 Air-convection-cooled dry well for high-voltage current-limiting fuse for use in liquid or gas insulated switchgear  
Methods and apparatus for fusing high-voltage electrical systems including fuse holding dry wells each of which includes a metallic outer wall, a fuse mount and a chimney tube located between the...
5587570 Circuit breaker interlock unit to prevent single phasing  
A molded case circuit breaker interlock unit connects between a fuse enclosure attached to one end. Upon the occurrence of a short circuit within a protected circuit, the fuse operates to isolate...
5360999 Explosively actuated thermal opening switch  
An apparatus and method are provided for controlling the switching characteristics of an explosively actuated switch. The switch comprises a conductor that is only partially severed by explosive...
5304974 Low profile thermal cut-off resistor  
A thermal cut-off resistor that has an elongated thermal cut-off fuse; a wire-shaped resistor that is tightly coiled around the fuse, said resistor being physically connected to the fuse so that...
5294902 Fail-safe residential circuit breaker  
A molded case circuit breaker for residential use employs an additional safety feature to ensure a fail-safe condition in the event that the circuit breaker is installed within a circuit that may...
5221914 Thermally responsive switch  
A thermally responsive switch for protecting electric motors against overcurrent and overheating conditions includes a metallic receptacle having an elongated dome-shaped portion and an opening...
5200875 Protection structure for a surge absorber  
A protective structure for a surge absorber which is composed of the surge absorber, connecting means for connecting the surge absorber to an electronic device and means for protecting the surge...
5113167 Lightning arrester isolator  
A device for isolating an arrester has first and second electrical terminals mechanically and electrically coupled together. The electrical connection includes a mechanism for automatically...
5099219 Fusible flexible printed circuit and method of making same  
A fusible flexible printed circuit includes one or more conductors extending along a flexible dielectric substrate. Each conductor is comprised of a layer of electrically conductive material and a...
5014036 Thermal and current sensing switch  
A thermal and current sensing switch which brakes an associated electric circuit when an overcurrent is supplied to the electric circuit or the temperature of the electric apparatus rises beyond a...
4968962 Thermal cutoff and resistor assembly  
A thermal cutoff and a heating resistor are assembled in heat transfer relationship with one another by a metal clip. The assembly is mounted on a base of dielectric material. Electric leads on the...
4949060 Fuse-isolator - actuator  
The invention provides an isolating fusible link, in series with a transformer primary circuit breaker device, for producing an isolating gap after an occurrence of a primary fault condition. More...
4885560 Thermal relay  
A thermal relay includes a housing, two fixed contacts secured to respective terminals disposed in the housing, a disc-shaped bimetal disposed in the housing and having two movable contacts made...
4876523 Switch for circuit breaker  
A switch is shown having a thermostatic member which deforms in response to variations in temperature to thereby control the state of energization of the switch. The thermostatic member is shown...
4873604 Fuses having suppressed voltage transients  
A shunt device and a method are described for protecting electrical equipment when a fuse blows. The shunt device establishes a by-pass across the fuse for permitting a limited amount of current to...
4864102 Miniature adjustable thermostat with integral over-temperature protection  
A thermally responsive control especially for a clothes iron combines an adjustable, temperature-regulating thermostat and an over-temperature control for limiting maximum temperature levels on a...
4821010 Thermal cutoff heater  
A thermal cutoff includes a housing having a resistive coating bonded thereto, and defining a heater for heating the thermal cutoff to its firing temperature.
4808965 Thermal protector  
A thermal protector including a thermal cutoff and a device having a positive temperature coefficient of resistance, both mounted in a common housing and connected in series.
4808960 Thermal cutoff heater  
A thermal cutoff having a metal foil resistance heater circuit bonded to its outer surface.
4652848 Fusible link  
A fusible link for an electrical circuit consists of a length of fusible material which closely fits an aperture through a ceramic printed circuit board. Ends of the fusible element electrically...
4635022 Fuse cut-out cartridge  
A fuse cartridge for example of the cylindrical type comprising an insulating cylindrical body ending in two conducting end pieces and a fuse element connected electrically to the end pieces,...
4617544 High voltage, high rupture capacity fuse  
An HRC-fuse as an insulating body surrounding a main fusible conductor and an auxiliary fusible conductor connected to a spring biased impact pin. A conductive cap serving as a terminal for the...
4538133 Passively detonated explosively-assisted fuse  
An explosively-assisted fuse is passively triggered (without electronics) by means of an auxiliary fuse in series with the main conductor. The auxiliary fuse provides a detonating voltage across a...
4533893 Monolithic fuse for rotating equipment  
There is provided a current limiting fuse having a uniform and supported element with arc voltage controlling and shaping capabilities that can withstand high mechanical and electrical stress.
4528536 High voltage fuse with controlled arc voltage  
There is provided a current limiting fuse having an electrically parallel connected non-linear resistor element for limiting and shaping the arc voltage developed during current interruption.
4528537 High current zinc oxide fuse  
There is provided by this invention a current limiting fuse having a zinc oxide core electrically connected in parallel with an array of wire fuse elements capable of shaping and controlling the...
4514606 Disconnect switch assembly  
A disconnect switch is disclosed having a puffer interrupter electrically connected with and operated by a knife switch or fused disconnect switch. A puffer interrupter includes a divided pressure...
4479105 Pyrotechnic current interrupter  
Apparatus is provided for automatically interrupting current in an electrical circuit before the first current peak which occurs after an excess current condition develops. The apparatus includes a...
4463335 Magnetic circuit for high voltage contactor  
A contactor of the high-voltage type utilizing an arc chute and aligned magnetic pole pieces for urging an arc into the chute for quenching. A pair of rigid bus bars extend upon either side of the...
4394639 Printed circuit fuse assembly  
A circuit fuse assembly comprising a plurality of fuse elements which are simultaneously formed using printed circuit or through hole plating techniques and including means for easily substituting...
4393432 Safety device for a conducting path in a load device  
A safety device is included in a circuit comprising a power source and a user device. The power source has one terminal connected to ground, as does the user device, with the safety device...
4380001 Electric safety device  
The present invention discloses an electric safety device in which a fuse element adapted to break a circuit upon passage of an overcurrent and a circuit-breaking conductive member of the...
Matches 1 - 50 out of 82 1 2 >