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7839257 |
Overvoltage protection with status signalling
The present invention teaches an overvoltage protection device that includes at least one non-linear resistance element and a single cut-off device coupled with the at least one non-linear...
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7741946 |
Metal oxide varistor with heat protection
A metal oxide varistor with heat protection has a body, an insulated washer, a first lead, a second lead and a thermal fuse. The body has two sides and two contacts respectively on the sides. The...
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7728709 |
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...
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7378933 |
Dual fuse holder
A fuse holder having at least two separate electrical paths may include a first hollow support containing a first fuse and a second hollow support containing a second fuse. The first hollow support...
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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***WITHDRAWN PATENT AS PER THE LATEST USPTO WITHDRAWN LIST***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...
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6747541 |
Spool assembly with integrated link-wire and electrical terminals for non-explosive actuators used in electro-mechanical structural separation devices
An improved spool assembly for non-explosive actuators used in electro-mechanical structural separation devices. The spool assembly includes two spool halves each having external surfaces and a...
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6636403 |
Thermally protected metal oxide varistor
A varistor has a thermal fuse between a lead and an electrode. The fuse includes a link extending between the surface of an insulator and the fused electrode. The electrical connection of the link...
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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 namely a...
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6252488 |
Metal oxide varistors having thermal protection
A layer of thermal fusible material is placed on one surface of a metal oxide varistor (MOV) to monitor the heating of the MOV due to applied voltage spikes. The thermal fusible material is part of...
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6141202 |
Method and apparatus for triggering a fuse
The response time of a melting fuse is controlled or influenced by temporarily boosting a threshold level from a first constant value (I1) to a second dynamic value (I2) which is then caused to...
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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...
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6133818 |
Redundant fuse wire release device
A highly reliable release apparatus which is used to stow or release desired devices such as, for example, solar arrays, antenna positioning mechanisms, reflectors, found on satellites, space...
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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...
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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...
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5805047 |
Fused car battery terminal and fuse-link therefor
A fused battery terminal has a stamped and formed terminal member an insulative housing integrally molded over power supply line connection bolts, and a battery post mounting member attached to the...
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5748066 |
Cartridge motion initiator with replaceable link wire controller
A controller (24) is provided to selectively release an initiator (12) having first and second members (14,16) that clampingly engage an object (18) preventing it from moving in an urged direction....
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5684447 |
Failsafe bimetallic reed having bimetal with fusible link for a circuit protector
A bimetallic reed for a circuit protecting device includes an integral fusible portion as a failsafe interrupting mechanism. The bimetallic reed includes a body of electrical conductive materials...
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5621373 |
Non-explosive initiator with link wire assembly
A link wire (20) arrangement for use in a non-explosive initiator (10) includes a link wire (20) received within a pair of tubes (24,26), each tube having its outer end formed into a loop (28) and...
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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...
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4575706 |
Combined magnetic and thermal relay and circuits for timed alarms and lamps of vehicles
A combined magnetic and thermal activated relay for use in alarm systems. The relay includes a thermal activated bimetal switch in series with the current through the magnetic coil which activates...
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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.
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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.
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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...
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4472705 |
Thermostatic switch with thermal override
A bimetallic disc actuated thermostatic switch with thermal override comprises a base, a fixed contact on the base, a movable contact and a bimetallic disc which moves the movable contact into and...
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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...
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4297554 |
Time delay switch mechanism
A high voltage switch having a snap-action switching mechanism for effecting opening and closing of relatively movable switch contacts, and having mechanical time delay trip release mechanism...
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4096464 |
Thermistor assembly having overload protection
A disc type thermistor has a low melting point metal rod disposed between the thermistor and a metal spring. The spring places the rod in compressive contact with one surface of the thermistor....
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4044224 |
Protective circuit for dishwasher heating element
A protective circuit for a heating element in a polymeric resinous tub dishwasher including an electric-type resistance heating element and a heat-sensible, dual-functioning switch. The switch is...
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3828289 |
COMBINED CURRENT AND TEMPERATURE SENSITIVE FUSE ASSEMBLY
A combined current and temperature sensitive fuse assembly of a given current and temperature rating for installation between an electric source and an electric load comprises a pair of electrical...
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3723931 |
PROTECTORS FOR ELECTRIC CIRCUITS
A fuse carrier has a circuit-closing member that can be moved by the switch-actuating plunger of a fuse which is held by clips on that fuse carrier. A stop on that fuse carrier lies in the path of...
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3621431 |
BLOWN-FUSE INDICATOR INCLUDING A CIRCUIT-CONTROLLING SWITCHING DEVICE
A unit including an indicating fuse and a switching device under the control of said indicating fuse is designed to be more compact and easier to manufacture than comparable prior art devices. This...
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3602865 |
PROTECTIVE SYSTEM AND DEVICE
A shutoff device for actuating an electric switch means to open an electric circuit used in a protective system which includes a heat sensory device which causes the shutoff device to operate the...
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3593246 |
FUSE CARTRIDGE DEVICES WITH AUXILIARY CONTACT
The cartridge fuse has a radially movable striker pin disposed in a peripheral chamber of the cartridge body, the cartridge being associated with an auxiliary contact mechanism disposed in front of...
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3593247 |
TRIGGER FUSE SWITCH ASSEMBLY
A trigger fuse switch assembly wherein a trigger fuse may only be inserted into the assembly in its correct operative position being held in place by a spring terminal. When the fuse is tripped,...
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3519970 |
CURRENT LIMITING FUSE OIL SWITCH CUT-OUT ASSEMBLY
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3277824 |
Exploding bridgewire device
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3205410 |
Panel assembly comprising electric circuit breakers and fuses
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3114901 |
Fire alarm system
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2962049 |
Thermal timer
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2961518 |
Circuit interrupter
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2894099 |
Fuses for electric circuits
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2799807 |
Neutral grounding device
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2794095 |
Striker pin structures
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2794096 |
High interrupting capacity currentlimiting fuses with striker pins
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