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| Number | Title | Issue Date |
| 8164404 | Electromagnetic relay An electromagnetic relay includes a resin case, a coil, a movable contact; a fixed contact, a flat recess, a ventilation hole, a cooling member and a flat passage. The resin case has a housing space therein. The movable contact is within the housing space and is act... | 04/24/2012 |
| 8093974 | Electromagnetic relay An electromagnetic relay includes a housing having an accommodating space therein, a magnet coil in the accommodating space to generate electromagnetic force when energized, a moving contact disposed in the accommodating space and driven by the coil, a fixed contact... | 01/10/2012 |
| 7915985 | Switching device for direct-current applications A switching device for direct-current applications includes a housing having a first wall and a second wall, a plurality of receiving areas for respective mutually substantially parallel current paths disposed in the housing. Each of the current paths has a respecti... | 03/29/2011 |
| 7911304 | Electromagnetic relay An electromagnetic relay has a movable iron core, an insulation holder integrated with an upper end portion of the movable iron core, a movable contact piece supported by the insulation holder, and a solenoid formed from a wound coil. The movable iron core is housed... | 03/22/2011 |
| 7902948 | Switching device, in particular a power switching device, having two pairs of series-connected switching contacts for interrupting a conducting path A switching device, in particular a power switching device, has two pairs of series-connected switching contacts for interrupting a conducting path and at least one quenching packet, disposed near the pairs of switching contacts, for quenching the arcs occurring whe... | 03/08/2011 |
| 7852180 | Method for producing breaker pole parts for low-voltage, medium-voltage and high-voltage switchgear assemblies, and breaker pole part itself The disclosure relates to a method for producing circuit-breaker parts and plastic components for low, medium and high-voltage switching stations and to a corresponding circuit-breaker part. To obtain a simpler method of production with a higher variance of material... | 12/14/2010 |
| 7839243 | Devices, systems, and methods for dissipating energy from an arc Certain exemplary embodiments can provide a system, which can comprise a set of substantially planar arc plates. The substantially planar arc plates can be adapted to cause a dissipation of energy caused by an arc in a circuit breaker. A housing can be adapted to re... | 11/23/2010 |
| 7830232 | Arc runner assembly and electrical switching apparatus and method incorporating same A circuit breaker includes a conductor, a fixed contact connected to the conductor, and an arc runner disposed on the conductor adjacent the fixed contact. The arc runner includes a first portion abutting the fixed contact and a second portion disposed in a recess o... | 11/09/2010 |
| 7782162 | Switching device A plurality of pairs of a movable contact point and a fixed contact point, which are opposite so that they can be contacted with and separated from each other, are provided in parallel and connected in series so that an electrical current flows in the same direction... | 08/24/2010 |
| 7696846 | Electromagnetic switching device A drive solenoid, a yoke, an armature and at least one contact are mounted in a housing of an electromagnetic switching device. The drive solenoid, yoke and armature are inductively intercoupled, in such a way that when an inrush current is applied to the drive sole... | 04/13/2010 |
| 7598833 | Electrical switching apparatus, and arc chute assembly and arc hood assembly therefor An arc chute assembly is for an electrical switching apparatus including a housing and an arc hood coupled thereto, the arc hood being structured to exhaust arc gases from the housing. The arc chute assembly includes a vent portion structured to exhaust arc gases fr... | 10/06/2009 |
| 7573360 | Circuit and method for wetting relay contacts A circuit for wetting relay contacts includes a relay having a relay coil, a movable contact and a stationary contact. The movable contact is movable between an open position and a closed position upon energizing of the relay coil, and the movable contact engages th... | 08/11/2009 |
| 7551050 | Contactor assembly with arc steering system A contactor assembly includes a stationary contact, an arc contact, an arc arrestor, and a magnetic intensifier. The magnetic intensifier is constructed to be secured in generally close proximity to the stationary contact. During communication of power through the c... | 06/23/2009 |
| 7541902 | Arc chute and circuit breaker equipped with one such arc chute An arc chute comprising an arc extinguishing chamber formed by a stack of deionizing plates and an arc formation chamber bounded by a first and second flange, said arc chute being equipped with permanent magnets arranged behind at least the first flange, in which th... | 06/02/2009 |
| 7541901 | Circuit breaker A circuit breaker for a double-break mechanism includes a current interrupting section having a contact mechanism. The contact mechanism includes first and second fixed contactors arranged in parallel and having fixed contacts, and a bridging movable contactor havin... | 06/02/2009 |
| 7532097 | Slot motor housing and circuit interrupter including the same A circuit breaker includes a housing, separable contacts, an operating mechanism structured to open and close the separable contacts, a power conductor including a first conductor and a second reverse loop conductor, the second reverse loop conductor carrying one of... | 05/12/2009 |
| 7518477 | Electromechanical circuit breaker and method of breaking the current in said electromechanical circuit breaker The electromechanical circuit breaker is intended to establish and break the current in a main circuit (3, 4) and comprises a fixed contact element (5) and a moving contact element (6) which in a first position are in electrical contact with eac... | 04/14/2009 |
| 7482901 | Circuit breaker A circuit breaker is comprised of a make-and-break mechanism part disposed between frame plates opposite to each other; a base in which a breaking portion including cross bar, moving contact, fixed contact and arc-extinguishing device, and an over-current trip devic... | 01/27/2009 |
| 7417520 | Contactor for direct current and alternating current operation The invention relates to a contactor for direct current and alternating current operation with at least one contact point with a fixed contact and a movable contact, at least one permanent magnet, arranged adjacent to the contact point, for the generation of a perma... | 08/26/2008 |
| 7371987 | Switching device The invention relates to a switching device with a switching structure (1), which includes a cage assembly (21) having two opposite first sidewalls (5) and a bottom wall (6) integrally connecting the first sidewalls. The cage assembly ( | 05/13/2008 |
| 7369022 | Auxiliary switch sub-assembly and electrical switching apparatus employing the same An auxiliary switch sub-assembly is provided for a telecommunication system circuit breaker including a housing having an opening, separable contacts inside the housing, and an operating mechanism operating the separable contacts between open and closed positions. T... | 05/06/2008 |
| 7358840 | Electrical switching apparatus including a split core slot motor and method of installing a slot motor assembly in a circuit interrupter A circuit breaker includes a housing, separable contacts, an operating mechanism structured to open and close the separable contacts, a power conductor comprising a first conductor and a second reverse loop conductor, the second reverse loop conductor carrying one o... | 04/15/2008 |
| 7319373 | Electrical switching apparatus and terminal housing therefor An auxiliary switch terminal housing is provided for a telecommunication system circuit breaker including an enclosure, separable contacts inside the enclosure, line and load terminals in electrical communication with the separable contacts, an operating mechanism f... | 01/15/2008 |
| 7315229 | Electromagnetic relay Provided is an electromagnetic relay which does not require a braided wire for securing a current capacity of a main contact unit. The electromagnetic relay includes a main contact unit inserted into a power supply path to a load and an arc contact unit connected in... | 01/01/2008 |
| 7304561 | Motor overload protector An enclosed motor protector has a housing formed by a base (10) and a cover (12) received on the base and enclosing a recess (10a) formed in the base. A first terminal (14) extends through an opening in the housing and mounts a sta... | 12/04/2007 |
| 7285742 | Switching device The invention relates to a switching device with a switching structure (1), which includes a cage assembly (21) having two opposite first sidewalls (5) and a bottom wall (6) integrally connecting the first sidewalls. The cage assembly ( | 10/23/2007 |
| 7259646 | Electrical service device having an arc prechamber area, prechamber plates and a current-limiting arc-quenching device The invention proposes an electrical service device, in particular line circuit breaker or motor circuit breaker, having a housing having connection means (20, 21) for the purpose of connecting busbars and/or connection lines on at least one end side, having ... | 08/21/2007 |
| 7247808 | Electrical service device having an arc prechamber area, arc guide rails and a current-limiting arc-quenching device The invention proposes an electrical service device, in particular line circuit breaker or motor circuit breaker, having a housing having connecting areas and connection means (2, 3) for the purpose of connecting busbars and/or connection lines on both end si... | 07/24/2007 |
| 7199318 | Air guidance device for cooling a switch part of an electrical switch An air guidance device is for cooling a switch part of an electrical switch. It includes at least one air guidance element arranged at a distance from the switch part to be cooled, forming at least one air duct which runs vertically when the switch is in the install... | 04/03/2007 |
| 7187258 | Circuit breaker A circuit breaker includes an elongated movable contact having a contact at one end thereof for flowing a current therethrough and the other end rotatably supported with a holder, and a protection cover made of an insulating material for covering and protecting a mo... | 03/06/2007 |
| 7176771 | Circuit breaker filter assembly An improved filter assembly for a circuit breaker includes a generally rectilinear filter housing having at least two filter mounting zones for receiving at least two filter assemblies, so as to define, in the aggregate, a filter assembly, and at least two filter as... | 02/13/2007 |
| 7157997 | Electromagnetic contactor An electromagnetic contactor in which neighboring main contact points have an interphase barrier between them. A concave section is provided at the inner wall face of the interphase barrier at the middle of the emission path of the arc gas that is generated from the... | 01/02/2007 |
| 7145422 | DC relay A direct current relay includes a plurality of contact pairs, and a plurality of magnets (5). Each of the plurality of contact pairs is configured having contacts (21, 22, 31) with contact regions (21a, 22a, 31a | 12/05/2006 |
| 7105764 | Monolithic stationary conductor and current limiting power switch incorporating same A current limiting power switch has a monolithic stationary conductor with a conductor section that mounts fixed contacts that engage moving contacts on moving contact fingers to form a reverse current loop with the contacts closed. A terminal section projects trans... | 09/12/2006 |
| 7081596 | Arc-quenching device for circuit breakers having double-break contacts The present invention relates to an arc-quenching device for circuit breakers having double-break contacts for use in low-voltage distribution systems. Provided around a prechamber (41) is a magnetic shield (91) for the purpose of intensifying the magn... | 07/25/2006 |
| 7064640 | Low voltage circuit breaker The invention relates to a low voltage circuit breaker which comprises a contact system for a principal current and an arc extinction chamber. An are transmitting element is disposed between the contact system for the principal current and the arc extinction chamber... | 06/20/2006 |
| 7057883 | Conducting element for shunting an electric power supply A conducting element for shunting an electric power supply from a main conductor to an accessory device operatively associated with a circuit breaker, whose particularity consists of the fact that it comprises a contoured body that is meant to be arranged in a seat ... | 06/06/2006 |
| 7053739 | Electrical contacting device and method of making the same An electrical contacting device includes a plurality of current paths connected in parallel to each other, and a plurality of electrical contact points each having a first contact and a second contact that are mechanically opened and closed. Each current path is pro... | 05/30/2006 |
| 7034642 | Blow open moving contact assembly for electric power switching apparatus with a very high current interruption rating A moving contact assembly for a high-current interruption electric power switching apparatus has an inner carrier for the contact fingers that is rigidly held in a withstand position in an outer carrier by a spring biased cam follower pin engaging a cam profile on t... | 04/25/2006 |
| 7034241 | Efficient venting means for a circuit breaker An arrangement for reducing pressure inside a circuit breaker caused by gas produced during an electrical interruption event, including a base, an interrupter assembly, and a trip unit base. A structure having a surface is positioned in the base at an angle relative... | 04/25/2006 |
