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Document Title |
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7598832 |
Contact pad designed for a movable electrical contact of a circuit breaker, movable electrical contact having such a pad and circuit breaker comprising such a contact
Contact pad designed to be fixed on a movable contact of a low-voltage circuit breaker designed to withstand peak short-circuit currents comprised between 200 and 600 amperes per square millimeter...
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7161103 |
Moveable contact assembly, method of manufacturing the same, and switch using the same
A movable contact assembly includes a base sheet made of insulating film, a contact provided under a bottom surface of the base sheet, and a conductive layer comprising silver paste on the base...
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7012492 |
Contact construction for DC loads and switching device having the contact construction
A contact construction and switching device for DC loads that can be repeatedly used while minimizing problems such as cut-off failure, locking and deposition due to an abnormal continuation of an...
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6652968 |
Pressure activated electrically conductive material
A pressure activated electrically conductive polymeric matrix material that is doped with particulate filler material. Electrical conductivity is pressure activated with a change in electrical...
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6630080 |
Conductive resin composition and encoder switch using the same
A long-life encoder switch which can enable flexible production in which a wide variety of products are manufactured in low volume is provided by using a conductive resin composition which has both...
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6246020 |
Micro switch having silver containing contacts
A micro switch includes a fixed contact and a movable contact. One is made of silver-carbon sintered metal, and the other is made of a silver-metal oxide alloy. The silver-carbon sintered metal...
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6027821 |
Contact material for vacuum interrupter and method for producing the same
A contact material for a vacuum interrupter including, a conductive component including at least Cu, and an arc-proof component including at least one selected from the group consisting of carbides...
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5985440 |
Sintered silver-iron material for electrical contacts and process for producing it
Sintered silver-iron material for electrical contacts, with properties comparable with those of silver-nickel materials, is obtained by using iron powder having more than 0.25% carbon by weight and...
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5972131 |
Ag-Cu alloy for a sliding contact
An Ag--Cu alloy for a sliding contact containing: a) 0.1 to 8.0 wt. % of Cu, based on the weight of the alloy, wherein at least 70 wt. % of the Cu contained in the alloy is solid-solubilized in...
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5972068 |
Contact material for vacuum valve
The vacuum valve contact material of the present invention is manufactured by a step of mixing an anti-arc constituent powder and a conductive constituent powder, a step of forming, and a step of...
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5853083 |
Contact material for a vacuum circuit breaker and a method for manufacturing the same
Interrupting and chopping characteristics of a Cu--Cr contact alloy are improved by rounding Cr particles to be spherical in the alloy. The Cr particles are rounded in the alloy by sintering raw Cr...
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5843567 |
Electrical component containing magnetic particles
There is disclosed an electrical component having an axial direction and two ends for making electrical contact with another component comprising a plurality of electrically conductive fibers in a...
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5701993 |
Porosity-free electrical contact material, pressure cast method and apparatus
A 100% dense, porosity free copper-chromium contact has been prepared in which deleterious porosity has been eliminated. This copper-chromium contact has been produced by pressurizing liquid copper...
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5628448 |
Process for bonding a contact layer of silver-metal oxide material and metal contact base, and suitable contact layer
A contact facing is normally bonded to the carrier by brazing or welding, for which purpose, the bonding side has to have a suitable layer. According to the invention, prior to the bonding...
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5626948 |
Electrical system having a multilayer conductive composition
An electrical system including a multi-layer conductive composition is disclosed. The multi-layer conductive composition includes at least a first composition, which may be a bottom composition...
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5497133 |
Switch with improved contacts for use in high temperature environments
A switch is made for use in elevated temperatures. A first stationary contact carrier is made of stainless steel and configured to be rigidly attached to a first stationary contact pad that is made...
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5417363 |
Process for bonding contacts to a contact base by hard soldering and semifinished product which can be obtained by this process
Particularly in the case of contacts consisting of a silver-metal oxide-(AgMeO)-based material which are provided on their the back side with solder, it is noted, upon hard soldering, on a contact...
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5272295 |
Electric contact and method for producing the same
An electric contact is provided on at least one of a pair of conductors and includes a surface which is coated with a ceramic layer comprising at least one material selected from the group...
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5270106 |
Fibrillated pultruded electronic component
An electronic component for making electrical contact with another component comprising a nonmetallic pultruded composite member having a plurality of small generally circular cross section...
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5270504 |
Sliding contact member for high currrent densities
A sliding contact member substantially free of the toxic metals lead and antimony, includes copper, carbon, and at least one added material which is selected from the group consisting of a metal...
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5246512 |
Contact for a vacuum interrupter
The present invention relates to a contact for a vacuum interrupter obtained by processing a contact-forming material comprising from 20% to 60% by weight of Cr, Bi in an amount of from 0.05% to...
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5199553 |
Sliding contactor for electric equipment
A movable electrical contactor having a surface thereof in slidable contact with a mating conductor, the surface being coated with a composite material in which particles of graphite (C) are...
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5149362 |
Contact forming material for a vacuum interrupter
An Ag-Cu-WC contact forming material for a vacuum interrupter comprising a highly conductive component comprising Ag and Cu and an arc-proof component comprising WC wherein the content of the...
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5140114 |
Electric contact with base metal
An electric contact with a base metal used as a switch wherein the non-welded peripheral portion of the contact is prevented from bow-like bending and from peeling off. The electric contact with a...
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5139862 |
Pultruded electronic device
An electronic device for conducting electric current has two contacting components at least one of which is a nonmetallic electronic contact in the form of a pultruded composite member made of a...
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4922068 |
Densified braided switch contact
An electrical switch assembly is made with a braided electrical conductor having a densified end which has reduced porosity from the braided wire. Preferably, the densified end is formed by...
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4908158 |
Electrical contact material and method of preparing same
An electrical contact material consists of Ag in which a metallic oxide is produced and dispersed through an internal oxidation and containing as metallic elements Cd, Mn and Al. With this contact...
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4855104 |
Method for the production of sintered electrical contact material for low voltage power switching
Contact materials based on AgSnO 2 and having Bi 2 O 3 and CuO as further metal oxide additives were previously disclosed. In these materials the total content of all metal oxides was supposed...
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4803322 |
Electrical contacts for electric breakers
Electrical contacts especially for use with electric breakers, consisting of (1) a base made from a silver-tin system alloy containing In, and (2) a clad over the base made from a silver-cadmium...
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4777335 |
Contact forming material for a vacuum valve
A contact forming material for a vacuum valve or vacuum circuit breaker comprising (a) a conductive material consisting of copper and/or silver, and (b) an arc-proof material consisting of...
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4766274 |
Vacuum circuit interrupter contacts containing chromium dispersions
A powdered metallurgical procedure for forming chromium copper contacts used in vacuum circuit interrupters, in which prealloyed powder formed by mixing to copper, chromium of between two to...
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4743718 |
Electrical contacts for vacuum interrupter devices
A vacuum interrupter device 11 with contacts 21 and 27 formed from a mixture of copper, chromium, bismuth, and at least about 0.5 weight percent of chromic oxide. The mixture can additionally...
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4729809 |
Anisotropically conductive adhesive composition
An anisotropically conductive adhesive composition (10) for use in electrically connecting at least one conductive area (14) on one substrate (12) with at least one conductive area (20) on a second...
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4687515 |
Vacuum interrupter contact
An electrical contact for vacuum interrupters of a pressed and sintered composition of copper (60-80 wt %), ferrovanadium alloy (40-100 wt % of the balance) with at least 80 wt % of any remainder...
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4686338 |
Contact electrode material for vacuum interrupter and method of manufacturing the same
A novel contact electrode material for vacuum interrupters is disclosed, by which the chopping current value inherent in contact material can be reduced so that it is possible to stably interrupt...
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4681702 |
Sintered, electrical contact material for low voltage power switching
Electrical contact materials based on AgCdO with CdO as the main active component have proven to be particularly advantageous for low voltage switchgear in the power industry. However, when...
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4680162 |
Method for preparing Ag-SnO system alloy electrical contact material
Ag-SnO system alloy electrical contact materials. The Ag alloy before internal oxidation thereof contains Sn of an amount of 5-20 weight %, 0.5-15 weight % of which amount is in the powder form of...
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4626282 |
Contact material for vacuum circuit breaker
Contact material for vacuum circuit breaker according to the present invention contains (1) copper, (2) molybdenum, and (3) niobium or tantalum.
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4622269 |
Electrical contact and process for making the same
An electrical contact formed of a mixture of finely divided electrically conductive metal doped with graphite or cadmium oxide. A thin coating of the electrically conductive metal is disposed upon...
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4581501 |
Ignition distributor for internal combustion engine
An ignition distributor for an internal combustion engine with reduced electric discharge energy and suppressed radio noise generation comprises a rotor electrode capable of rotary motion and a...
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4554425 |
Contact of vacuum interrupter and manufacturing process therefor
A contact of a vacuum interrupter and a manufacturing process therefor are disclosed. The contact can greatly reduce the chopping current of the interrupter, can greatly increase the dielectric...
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4553003 |
Cup type vacuum interrupter contact
The present invention is directed to a cup type vacuum interrupter contact comprised of a holder portion and a contact portion. The holder portion is cup shaped and has a base and side walls...
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4540861 |
Contact material for vacuum circuit interrupter
A contact material for use in a vacuum circuit interrupter which simultaneously provides superior current interrupting performance and breakdown voltage. The contact material of the invention...
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4537743 |
Electrode composition for vacuum switch
The disclosed electrode composition for a vacuum switch comprises copper, as a principal ingredient, a low melting point metal such as Bi, Pb, In, Li, Sn or any of their alloys, in a content not...
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4513186 |
Vacuum interrupter contact structure and method of fabrication
An electrical contact member and method of fabrication which facilitates braze connection of the electrical contact member to the conductive support stem of a vacuum interrupter structure. A high...
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4501941 |
Vacuum interrupter contact material
A vacuum interrupter electrical contact which exhibits an improved voltage withstand characteristic. The electrical contact comprises a minor portion of selected refractory metal and a major...
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4450135 |
Method of making electrical contacts
A method of preparing electrical contacts and electrical contact materials comprises the steps of blending a conductive metallic component, such as silver, with nickel and zirconium diboride which...
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4450204 |
Silver material suitable for backing of silver-cadmium oxide contacts and contacts employing same
A two-layer contact having a silver backing and a silver cadmium oxide body which backing is relatively free of warpage and macroscopic voids is produced from a mixture of silver oxide, silver...
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4433223 |
Pressure-sensitive adhesive and application thereof
A conductive adhesive for use in membrane switch and printed circuit technologies consists essentially of a resin modified copolymer of butadiene and styrene and a conductive element. The...
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4430124 |
Vacuum type breaker contact material of copper infiltrated tungsten
This invention provides a vacuum type breaker contact material prepared by infiltrating copper into a sintered tungsten matrix, wherein elementary particle size and the growth of the particle size...
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