Class 218/151 - Metal plates structure

Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter including specific structural details of
No. of patents: 39
Last issue date: 12/18/2007

Number	Title	Issue Date
7310242	Self-shielding high voltage distribution box A distribution box for enclosing an electrical connection in an electrical wiring system includes a housing that is resistive to penetration by electromagnetic fields and a plurality of electrical conductors that form the electrical connection. A mirror plate is dis...	12/18/2007
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
7202436	Secondary arc chute and electrical switching apparatus incorporating same A secondary arc chute is for an electrical switching apparatus including a housing, a pair of separable contacts enclosed within the housing, and a primary arc chute disposed proximate the separable contacts in order to attract an arc generated by the separable cont...	04/10/2007
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
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
7094986	ARC chute assembly The arc plates of an arc chute assembly for a circuit breaker are supported in spaced, stacked relation by a structural shell molded of a gas evolving resin. Generation of arc gases, that cool the arc thereby increasing the current interruption capability of the bre...	08/22/2006
7034242	Arc chute and circuit interrupter employing the same A circuit interrupter arc chute includes first and second support portions, an exit portion supported by the support portions, and a plurality of arc plates supported by the support portions. The exit portion has one or more vent openings. The arc plates have a firs...	04/25/2006
6717090	Arc quenching configuration for an electrical switching device An arc quenching configuration for an electrical switching device has an arcing chamber in which an arc is produced between a stationary contact piece and a moving contact piece during a switching operation. An arc splitter stack is provided and has a number of arc ...	04/06/2004
6700087	Arc chute assembly An arc chute including a first side wall having a plurality of holes, a second side wall having a plurality of holes and spaced apart from the first side wall, and a plurality of arc chute plates mounted between the first and second side walls. Each of th...	03/02/2004
6479781	Arc chute assembly for circuit breaker mechanisms A current limiting circuit breaker mechanism having two pairs of separable contacts closely spaced for electrodynamic repulsion upon the occurrence of a short circuit overload condition utilizes a pair of arc chute assemblies to cool and extinguish the ar...	11/12/2002
6297465	Two piece molded arc chute An improved arc chute wrapper for an arc chute of a circuit breaker includes left and right halves that form a conjoined two-part member and that carry a plurality of spaced arc plates thereon. The left and right halves of the wrapper are formed with a pl...	10/02/2001
6288354	Switching device with an arc extinguishing device A switching device with an arc extinguishing device includes filigree-shaped arc splitters of an arcing chamber to be mounted and fixed in an operationally reliable manner. Branches and bases of the arc splitters are kept apart by spacers, in particular b...	09/11/2001
6248970	ARC chute for a molded case circuit breaker A circuit breaker (10) including an electrical arc extinguishing apparatus (105). The electric arc extinguishing arc apparatus (105) includes a first sidewall (106) in a spaced relationship with the second sidewall (107) with a top arc plate (110) mounted...	06/19/2001
6191377	Electromagnetic switching device with arcing chambers An electromagnetic switching device, in particular a high capacity contactor, includes switch contacts which are arranged inside interrupter chambers formed by an interrupter chamber housing. Also provided is a deionizing device which is in the form of an...	02/20/2001
5818003	Electric switch with arc chute, radially converging arc splitter plates, and movable and stationary arc runners A contactor for switching electric current has a stationary contact and a movable contact which when driven by a solenoid moves into and away from abutment with the stationary contact. An arc chute includes a plurality of splitter plates which extend radi...	10/06/1998
5756951	Arc chute having three barriers for the passage of arc gasses An arc chute for a circuit-breaker has a chute member with arc splitters and an end member that seals off the chute member to the top. The end member has three barriers for arc gases, the first and the second barrier have webs with a more or less square c...	05/26/1998
5589672	Circuit breaker with arc quenching device and vent A circuit breaker is formed of a stationary contact member bent back into a U-shape and having a stationary contact at a bent back portion thereof, a moving contact member situated adjacent to the stationary contact member to be able to contact with the s...	12/31/1996
5539170	Arc grid plate for electrical switching device An arc grid plate for an arc box of a contactor includes a conductive plate having two sides, a rear edge, and a front arc edge. The sides are slidable within a pair of grooves of the side walls of the arc box. The rear edge of the conductive plate has tw...	07/23/1996
5111008	Effective arc stack/efficient contact carrier A circuit breaker (51) includes an arc stack of metal plates (52), each of which is disposed parallel to the movement of the contact arm (12), whereby lug strikes which may pass through the vent holes (32) in the housing (16) to the lug (18) are avoided. ...	05/05/1992
5072081	Electrical switch assembly An electrical switch assembly has an L-shaped housing with a base, an endwall and sidewalls which may be molded as a single piece. The endwall is provided with receiving slots for at least one metal plate serving as an arcing plate and with a central guid...	12/10/1991
5066839	High or medium tension circuit breaker A medium or high tension circuit breaker comprising a shell filled with a dielectric gas under pressure and containing: a fixed main contact, a moving main contact, a fixed arcing contact, and a moving arcing contact between which an arc is established du...	11/19/1991
5004874	Direct current switching apparatus Direct current switching apparatus having two arc extinguishing chambers each comprising a pair of spaced conductors providing cooperable arc runners divergent toward a row of non-ferromagnetic splitter plates and a stationary contact conductively mounted...	04/02/1991
5003137	Switch A switch for as an electromagnetic contactor, a circuit breaker for wiring, an air circuit breaker and so on is provided. The switch comprises a fixed contact 8A joined to a fixed contactor 8, an movable contact 6A joined to a movable contactor 6 to face ...	03/26/1991
4982174	Molded split case electromagnetic circuit breaker assembly An electromagnetic circuit breaker has a housing that includes a separately defined arc chamber in which the moving contact travels as the breaker is tripped, and the chamber has a divergent shape to facilitate exhausting the hot gases from the arc chambe...	01/01/1991
4757167	Trident arc horn for circuit breaker A circuit breaker having a contact assembly with a double pivot arrangement. The moving arcing and main contacts provide a smooth surface for meeting the lower arcing contact and the lower main contacts, each mounted on a separate semi-stationary lower bl...	07/12/1988
4737606	Circuit breaker arc stack assembly A circuit breaker having an arc stack assembly that provides a longer arcing path resulting in decreased restriking characteristics during an interrupt cycle. The arc stack assembly has approximately parallel metal arc plates mounted in insulating sides. ...	04/12/1988
4684772	Mounting apparatus for arc quenching plates for electric contacts There are provided arc quenching plates for leading an arc formed by operation of electric contacts away from the contacts, and there is provided a housing for holding the arc quenching plates. The housing has grooves made into opposing internal walls, an...	08/04/1987
4642429	Switch A switch characterized by a stationary contact element joined to a stationary contact, a movable contact element joined to a movable contact in a facing relationship to said stationary contact element, a first metallic arc extinguishing plate formed of a ...	02/10/1987
4628163	Power switch A power switch includes a fixed contact member 8 having a fixed contact 8A, a movable contact member 6 having a movable contact 6A movable into and out of contact with the fixed contact 8A, a commutation electrode 15 spaced from the movable contact member...	12/09/1986
4618751	Arc extinguishing assembly An arc suppressing assembly for use in a circuit breaker having at least one pair of separable contacts which includes an arc stack assembly in back-to-back relationship with a baffle assembly with the arc stack assembly in between the baffle assembly and...	10/21/1986
4612426	Arc chute assembly for circuit breaker An arc chute assembly for a circuit breaker or similar device comprising a series of metallic arc chute plates that are locked in stacked spaced-apart relationship between a pair of insulative side panels by elongated key members of non-conductive materia...	09/16/1986
4609797	Splitter plate An arc splitter plate made of steel includes a pair of spaced parallel limbs which merge together at one end into a block forming a notch therebetween. Toward an end portion of the block remote from the notch is an insulated region which extends across a ...	09/02/1986
4596909	Electromagnetic contactor An electromagnetic contactor in which an arc extinguishing chamber is defined by an insulating base and a box attached removably to the insulating base. In the arc extinguish chamber, there are accommodated fixed contact elements having fixed contacts, a ...	06/24/1986
4443673	Variable aspect arc chute A variable aspect arc chute comprises a stack of pivotally-mounted plates which are held in electrical contact along one edge thereof by means of a bias spring or other device. The arc chute may be employed in a circuit interrupter, connected in parallel ...	04/17/1984
4258345	Circuit interrupter with magnetic arc stretcher A molded case circuit breaker includes separable contacts, a conventional operating mechanism, and means for magnetically stretching the arc upon contact separation to provide current limiting action. In a first embodiment, the arc stretcher comprises thr...	03/24/1981
4143256	Arc chute having plates coated with weld deterent material An arc chute for assisting in the extinction of an arc drawn between circuit interrupting contacts opening in air includes a stack of closely spaced metallic plates coated with a weld deterent material, such as silicone varnish. By virtue of this coating,...	03/06/1979
4041356	Air-break circuit interrupter having magnetically-assisted arc-dividing electrodes Air-break circuit interrupter having a plurality of stacked plates of insulating material straddled at the lower edge thereof by electrodes including diverging wing portions extending between the plates to permit the initial arc to be divided by the base ...	08/09/1977
4001743	Heavy duty automatic circuit breaker The present heavy duty automatic circuit breaker is compact in construction, since all elements are coordinated to each other in an efficient manner. Thus, an upper arc guide plate of a quenching stack is extended to form the stationary contact member. Th...	01/04/1977

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Class 218/151 - Metal plates structure