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6646537 |
Solid state rectifying fuse
A single circuit element, referred to as a solid state rectifying fuse (SSRF), rectifies an incoming AC signal and opens the circuit if a programmed maximum current level is reached. The anode or...
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6538551 |
Heat concentrating barrel for wire heater in dual element fuses
A dual element fuse includes a first conductive fuse coupler portion and an overload fusing assembly coupled to the first conductive fuse coupler portion. The overload fusing assembly includes a...
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6476705 |
Current distribution device
A voltage distribution device for use especially in motor vehicles, includes a first area ( 2 ) made of conductive material and fitted with at least one electrical connection ( 8 ), at least two...
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6380837 |
Slow acting fuse with wide range of current ratings
A fuse assembly is provided having two fusible elements, electrically in parallel with each other, thereby providing the fuse assembly with increased inrush current withstand capacity, a greater...
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5841338 |
Fuse combination, method of making the same, and fuse circuit including the same
A fuse combination in which a group of fused elements are placed on an insulative support. The support is bent into a U-shape carrying the fuse elements with it. Contacts at the ends of the fuse...
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5528213 |
Fuse
An embracing portion is formed on a fusible body of metal, and a chip of low-melting metal is embraced by this embracing portion, and a constricted portion of a small cross-sectional area is formed...
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5298877 |
Fuse link and dual element fuse
We provide an overload fuse link that is generally used in cartridge type fuses along with a short-circuit fuse link. The overload fuse link is prepared from a solder alloy and is directly attached...
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5254967 |
Dual element fuse
An electrical interruption device is disclosed in which a space efficient spiral spring activates current interruption. The spring is characterized by coils which wind continuously about and...
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5252942 |
Fuse links and dual element fuse
A hollow electrical circuit protector preferably coated with an insulative coating which will maintain its structure and not be conductive when said circuit protector blows. The electrical circuit...
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5247274 |
Trigger mechanism for time-delay fuses
A time-delay fuse having a fuse element with a series of weak spots surrounded by a loose sand filler. The fuse element is connected to a trigger mechanism by solder or other meltable alloy. The...
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5239291 |
Multi-function heater element for dual element ferrule fuses
A dual element ferrule fuse includes a short circuit element and an overload element. The overload element includes a heater element which, in addition to carrying heat, is designed to partially...
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5150093 |
Time delay fuse for motor starter protection
A time-delay fuse having a fuse element with a series of weak spots surrounded by a loose sand filler. The fuse element is connected to a trigger mechanism by solder or other meltable alloy. The...
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5077534 |
Class J time delay fuse
A time-delay fuse (10) having parallel fusible element (22). The fuse element (22) is connected to a trigger mechanism (30) by solder or other meltable alloy. The trigger section (30) provides...
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5075664 |
Spring timer for fuse
A trigger for a dual element time delay fuse includes a paper cap and a heater strip having locating ears thereon.
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4992770 |
Fuse with improved spring timer
The dual element time delay fuse includes a circuit overload trigger which opens the fuse in response to long term medium circuit overloads, and a short circuit strip disposed in a solid matrix...
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4973932 |
Electrical fuse with coated time delay element
A fuse comprises a housing filled with arc-quenching material, terminals at the opposite ends of said housing, and a fuse element assembly in the housing connected between the terminals. The fuse...
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4888573 |
Fuse construction
A dual element cylindrical line fuse includes an insulating assembly disposed midway along an insulating tube. A metal eyelet having a barrel with a closed end is disposed through the assembly and...
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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...
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4736180 |
Fuse wire assembly for electrical fuse
A core assembly having a flexible insulating material core and a spirally wound inner fuse wire engages with one or more elongate bodies of the flexible insulating material to sandwich and compress...
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4703300 |
Time lag electrical fuse
A composite time lag fuse having an insulating housing enclosing a time delay fuse and an electrical resistance heater which is located in intimate heat transfer relationship with the time delay...
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4680567 |
Time delay electric fuse
A time delay fuse (10) includes a tubular housing (12) of insulative material with first and second open ends (14, 16). First and second metallic or electrically conductive ferrules (18, 20) are...
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4593262 |
Time delay indicator fuse
A fuse (12) for protecting a circuit and comprising a tube (14) of insulating material having an inner wall surface (16) and an outer wall surface (18) so as to form a fuse housing. The fuse...
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4562420 |
Time delay fuse
A time delay fuse comprises an initially open end insulating housing having conductive terminals at the opposite ends thereof, a current-heatable strip connected to one of said terminals, a thermal...
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4560971 |
Spiral wound shunt type slow blow fuse
A slow blow fuse of the shunt type includes a pair of spaced terminals between which is connected and suspended a fuse wire assembly including a core of insulating material having at least a pair...
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4523172 |
High voltage quick-break fuse
A high voltage quick-break fuse has at least one silver fuse element and at least one tin fuse element in series connection. It is a full-range fuse dimensioned in such a way that, even in the case...
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4517544 |
Time delay electric fuse
A time delay fuse includes a tubular housing of insulative material with first and second open ends. First and second metallic or electrically conductive ferrules are mounted on the first and...
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4417224 |
Time delay fuse
A time delay fuse is disclosed which does not require stored energy devices or separated chamber construction, and is dependent on the mass of the low melting point material and metal connector...
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4263574 |
Slit type current limiting fuse
A strip-shaped fusible member is disposed in a slit formed in an electrically insulating member to be not greater than 1 mm in width. Further a granulated electrically insulating material may be...
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4146861 |
Quick-acting fuse arrangement
A novel fuse arrangement for electrical and electronic circuits is provided having shorter arcing time and arc-extinguishing time as compared to the prior art fuses. The fuse arrangement described...
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4058784 |
Indicator-equipped, dual-element fuse
A circuit-interrupting device has a stationary current-conducting member, a movable current-conducting member, a connector which accommodates the adjacent ends of the current-conducting members and...
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4057774 |
Miniature time-delay fuse
A time-delay fuse is provided comprising a glass or ceramic tube sealed at both ends with sealing means such as, e.g., ferrules. An elongated generally cylindrical core member, made from a highly...
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4053862 |
Fuse-element for fuses used in electric networks
A fuse-element for use in an electric network, includes a metal strip including at least one portion having a reduced cross-section, a shunt element of conductive material shunting the portion,...
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4032877 |
Protector for electric circuits
A heat-sensitive protector, that is connectable into an electric circuit, has an elongated, effectively non-fusing element which performs the function of a connector as long as that protector is...
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3869689 |
TIME-DELAY FUSE ELEMENT
A time-delay fuse element comprises a core wire composed of at least two fusible electroconductive resistance wires wound together helically and a fusible electroconductive resistance member...
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3863188 |
Time-lag cartridge fuse for D-C circuits
A time-lag cartridge fuse for d-c circuits has three different interrupting mechanisms, one for interrupting small overload currents, one for interrupting major fault currents, and one for...
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3840835 |
ELECTRIC CURRENT-LIMITING LOW VOLTAGE FUSE
An electric current-limiting low voltage fuse for back-up protection of switching devices having relatively movable contacts and being controlled by excess current tripping devices includes low...
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3810062 |
HIGH-VOLTAGE FUSE HAVING FULL RANGE CLEARING ABILITY
A high-voltage fuse having full range clearing ability, i.e., capable of interrupting overload currents so small that it may take one or even several hours to cause blowing of the fuse on account...
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3755769 |
MODULARIZED FUSE WITH PRECISE GAP
This current limiting fuse has a spider type support for the main fuse element. This support has a plurality of segments joined together serially by a cement-like composition. Preferably, these...
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3735312 |
THREE TERMINAL FUSE-RESISTOR DEVICE
A three terminal fuse-resistor protective device adapted for forming both a shunt connection and a low impedance series connection between the input and load portions of an electric circuit for...
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3721935 |
HIGH CURRENT- CARRYING-CAPACITY DUAL ELEMENT FUSE
A dual element fuse intended to carry large currents is provided with a plurality of fuse links for interrupting major fault currents, a spring biased solder joint overload current interrupting...
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3611239 |
HIGH-VOLTAGE FUSE HAVING INNER CORE AND OUTER SHELL FUSE LINKS
A high-voltage fuse has ribbon fuse links forming a radially inner core of fuse links and has ribbon fuse links forming a radially outer shell of fuse links. The inner core fuse links are provided...
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3504322 |
ELECTRIC CARTRIDGE FUSE FOR SMALL CURRENT INTENSITIES
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3453580 |
PROTECTOR FOR ELECTRIC CIRCUITS
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3418614 |
Time delay cartridge fuse
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3342964 |
Dual element cartridge fuse for small current intensities
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3341674 |
Electric quartz-sand-filled fuse adapted to interrupt effectively protracted small overload currents
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3267238 |
Electrical fuses
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3197592 |
Time lag fuses with fuse links having link-severing overlays
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3178613 |
Transformer fuse
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3144534 |
Slow blowing fuse
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