With Transformer Or Circuit Breaker Patents (Class 361/663)
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Patent number: 11415608Abstract: An electric meter circuit assembly is disclosed which can be used as a conversion kit or in a meter installation generally. The circuit assembly includes an electric meter adapter that has a wiring harness, a meter socket adapter having a socket face adapted to receive a plug-in meter, the meter socket adapter including a plurality of meter connections exposed at the socket face; a current transformer subassembly including a plurality of current transformers, each current transformer being associated with a phase of the multi-phase electrical service, each current transformer of the plurality of current transformers being electrically connected between a meter connection of the plurality of meter connections and a phase of the multi-phase electrical service. The circuit assembly further includes a voltage transformer subassembly electrically connected between phases of the multi-phase electrical service and electrical connections in a connector adapted to be connected to the wiring harness.Type: GrantFiled: September 27, 2019Date of Patent: August 16, 2022Assignee: TSTM, Inc.Inventors: Greg May, Robert A. Ashford
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Patent number: 9275793Abstract: According to one embodiment, a current input converter includes a first metal plate having a solid shape, which has one end attached to the terminal table and one other end attached to one end of a primary-side coil of the transformer, and connects the terminal table and the one end of the primary-side coil of the transformer to each other, and a second metal plate having a solid shape, which has one end attached to the terminal table and one other end attached to one other end of the primary-side coil of the transformer, and connects the terminal table and the other end of the primary-side coil of the transformer to each other.Type: GrantFiled: May 21, 2012Date of Patent: March 1, 2016Assignee: KABUSHIKI KAISHA TOSHIBAInventors: Yusuke Yanagihashi, Hiroyuki Shirakawa, Toshio Tanaka, Hiroyuki Maehara, Noriyoshi Suga, Itsuo Shuto
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Patent number: 8837118Abstract: A combined current transformer and metering system is described, having a securable case, two or more current transformers each having a core and secondary windings connected to a secondary circuit, wherein the transformers are mounted within the case. A wiring harness connects the secondary windings of the transformers with shorting current switches for short circuiting the secondary current circuit, and voltage switches for disconnecting a voltage, wherein both sets of switches are mounted on the case. A process of manufacturing the system is described, wherein the transformer cores are positioned within the case, the wiring is connected between the transformer cores and attachment hardware on an upper deck of the case, and insulation medium is inserted within the case. A base plate is described, having rails to hold the system and having a tab at one end, and apertures for a rod positionable between rails at a second end.Type: GrantFiled: July 24, 2012Date of Patent: September 16, 2014Inventor: Kenneth William McGrail
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Patent number: 8331082Abstract: Certain embodiments of the invention may include systems, methods, and apparatus for providing components in advanced metering infrastructure (AMI) energy meters. According to an example embodiment of the invention, a method is provided for accessing electrical meter components, the method includes providing an energy meter enclosure having one or more service accessible compartments operable for housing AMI components, manipulating one or more compartment covers associated with the one or more service accessible compartments, installing one or more AMI components in the one or more service accessible compartments, and closing the one or more compartment covers. The energy meter enclosure protects the AMI components from at least one external element.Type: GrantFiled: September 29, 2010Date of Patent: December 11, 2012Assignee: General Electric CompanyInventors: Chandrashekhar Sadashiv Nehete, Sandeep Yograj Nemade
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Patent number: 8243423Abstract: An improved gangable meter center for distributing electric power to and measuring electric power consumption by a plurality of individually measured units in a complex comprises: a plurality of meters for measuring the electric power consumption by the plurality of individually measured units in the complex; and a plurality of feeder buses electrically coupled between at least one utility line supplying power to the plurality of individually measured units in the complex, wherein the plurality of meters are included within the meter center without use of a meter socket. Ganged meter centers comprise at least two such gangable meter centers.Type: GrantFiled: October 30, 2009Date of Patent: August 14, 2012Assignee: Eaton CorporationInventors: Michael J. Ranta, Eric A. Samuelson, James L. Gehlbach, Paul D. Seff
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Patent number: 8116072Abstract: According to an aspect of the present disclosure, an electrical power meter, is disclosed. The electrical power meter includes a housing for containing electrical circuitry therein, the housing including at least one of voltage and current inputs, the housing including passages extending entirely therethrough, wherein the passages are configured to receive a CT lead therethrough, and wherein the CT leads are not electrically connected to the electrical circuitry therein; and a face plate operatively supported on a surface of the housing, wherein the face plate includes at least one of displays, indicators and buttons. It is envisioned that the through passages are located along a side of the housing.Type: GrantFiled: November 9, 2009Date of Patent: February 14, 2012Assignee: Electro Industries/Gauge TechInventors: Erran Kagan, Tibor Banhegyesi, Avi Cohen
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Patent number: 8040664Abstract: Disclosed are apparatus and methodology for integrating directly within an electricity meter components corresponding to a high current switch. Line and load terminals forming a portion of the high current switch also correspond to line and load terminals configured for insertion into an electricity meter socket. Plural pairs of spring elements are connected at one end thereof to the meter load terminal while the opposite ends of the spring elements carry contacts configured to cooperate with matching contacts on a conductive support. The conductive support is coupled to the line terminal by a further conductive bar that is configured to support a flux-concentrating core for measurement of current flow through the high current switch. The present subject matter has to do with integrating a service disconnect switch directly into the base of a meter so as to provide a dual functionality component.Type: GrantFiled: May 28, 2009Date of Patent: October 18, 2011Assignee: Itron, Inc.Inventors: David N. Makinson, Firoz Narsidani, Kirby K. Nelson, Joseph Pontin, Michael Worley
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Patent number: 7746624Abstract: A current transformer cabinet is disclosed having an electrical meter coupled to current transformers. One or more disconnect switches arranged between the source conductors and the load conductors. The disconnect switches include a link member that allows the disconnecting of electrical service from the load conductors by rotation of the link from a first position to a second position.Type: GrantFiled: October 25, 2007Date of Patent: June 29, 2010Assignee: Consolidated Edison Company of New York, Inc.Inventors: James Rispoli, John A. Gaffney
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Patent number: 7706135Abstract: A load center enclosure with displaceable end wall plates for easily accessing the wall cavity above and below the load center and adding additional electrical conductors in post installation applications.Type: GrantFiled: December 28, 2007Date of Patent: April 27, 2010Assignee: Schneider Electric USA, Inc.Inventors: Jeffrey O. Sharp, Henry B. Joines
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Patent number: 7616433Abstract: According to an aspect of the present disclosure, an electrical power meter, is disclosed. The electrical power meter includes a housing for containing electrical circuitry therein, the housing including at least one of voltage and current inputs, the housing including passages extending entirely therethrough, wherein the passages are configured to receive a CT lead therethrough, and wherein the CT leads are not electrically connected to the electrical circuitry therein; and a face plate operatively supported on a surface of the housing, wherein the face plate includes at least one of displays, indicators and buttons. It is envisioned that the through passages are located along a side of the housing.Type: GrantFiled: November 14, 2008Date of Patent: November 10, 2009Assignee: Electro Industries/Gauge TechInventors: Erran Kagan, Tibor Banhegyesi, Avi Cohen
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Patent number: 7511451Abstract: The electrical energy source includes a portable enclosure that houses at least one battery pack, at least one battery charger, at least one AC inverter and, optionally, a regeneration device that can power the battery charger. Operation of batteries, AC inverters and regeneration unit is coordinated by a control circuit. During operations under a load, the batteries supply an input to AC inverters which in turn provide voltage regulated AC power to the load. When the batteries have discharged to a predetermined level, the load is removed from the AC inverters, and a dedicated on-board inverter is used to power the regeneration unit which recharges the batteries. Once the batteries have been recharged, the AC inverters are again made available to the load.Type: GrantFiled: July 5, 2006Date of Patent: March 31, 2009Inventor: Gerald Pierce
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Patent number: 7458846Abstract: A watthour meter socket adapter includes a housing having internal jaw contacts and external blade terminals. A power switch is electrically connected between the jaw contacts and the blade terminals. A rocker member on the power switch faces a side of the housing. An actuator is mounted in the housing and has a first end coupled to the rocker member for simultaneous movement of the rocker member and the actuator. A second end of the actuator extends through an aperture in the side of the housing allowing external manipulation of the actuator and the rocker member to indicate and/or manipulate the on and off state of the power switch. An electrically insulating safety shield may be mounted over the exposed portions of the jaw contacts and the conducting elements in the housing. Optional lock features may be provided to lock the actuator in the “on” or “off” positions.Type: GrantFiled: January 30, 2007Date of Patent: December 2, 2008Assignee: Ekstrom Industries, Inc.Inventors: Karl Loehr, Darrell Robinson, Allen Pruehs
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Patent number: 7453684Abstract: According to an aspect of the present disclosure, an electrical power meter, is disclosed. The electrical power meter includes a housing for containing electrical circuitry therein, the housing including at least one of voltage and current inputs, the housing including passages extending entirely therethrough, wherein the passages are configured to receive a CT lead therethrough, and wherein the CT leads are not electrically connected to the electrical circuitry therein; and a face plate operatively supported on a surface of the housing, wherein the face plate includes at least one of displays, indicators and buttons. It is envisioned that the through passages are located along a side of the housing.Type: GrantFiled: August 22, 2007Date of Patent: November 18, 2008Assignee: Electro Industries/Gauge TechInventors: Erran Kagan, Tibor Banhegyesi, Avi Cohen
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Publication number: 20080180885Abstract: A watthour meter socket adapter includes a housing having internal jaw contacts and external blade terminals. A power switch is electrically connected between the jaw contacts and the blade terminals. A rocker member on the power switch faces a side of the housing. An actuator is mounted in the housing and has a first end coupled to the rocker member for simultaneous movement of the rocker member and the actuator. A second end of the actuator extends through an aperture in the side of the housing allowing external manipulation of the actuator and the rocker member to indicate and/or manipulate the on and off state of the power switch. An electrically insulating safety shield may be mounted over the exposed portions of the jaw contacts and the conducting elements in the housing.Type: ApplicationFiled: January 30, 2007Publication date: July 31, 2008Applicant: EKSTROM INDUSTRIES, INC.Inventors: Karl Loehr, Darrell Robinson, Allen Pruehs
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Patent number: 7271996Abstract: According to an aspect of the present disclosure, an electrical power meter, is disclosed. The electrical power meter includes a housing for containing electrical circuitry therein, the housing including at least one of voltage and current inputs, the housing including passages extending entirely therethrough, wherein the passages are configured to receive a CT lead therethrough, and wherein the CT leads are not electrically connected to the electrical circuitry therein; and a face plate operatively supported on a surface of the housing, wherein the face plate includes at least one of displays, indicators and buttons. It is envisioned that the through passages are located along a side of the housing.Type: GrantFiled: December 3, 2004Date of Patent: September 18, 2007Assignee: Electro Industries/Gauge TechInventors: Erran Kagan, Tibor Banhegyesi, Avi Cohen
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Patent number: 6882523Abstract: An instrument system includes an instrument assembly having at least one fitting projecting therefrom. The instrument system further includes at least a first housing member including at least one alignment member located therein. The alignment member preferably includes at least one sloped surface which slopes toward at least one seating adapted to seat the at least one fitting of the instrument assembly. The instrument system further includes a second housing member which forms an explosion-proof enclosure with the first housing member to enclose the instrument assembly. The second housing member preferably forms an explosion-proof enclosure with the first housing member via cooperating threading. The instrument assembly can, for example, include electrical components for a combustible gas sensor.Type: GrantFiled: May 6, 2004Date of Patent: April 19, 2005Assignee: Mine Safety Appliances CompanyInventors: Scott A. Turner, Christopher D. Starta
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Patent number: 6846199Abstract: A housing carries an electrical disconnect switch having movable contacts. A cover is mounted on the housing and has an opening allowing access to a control lever of the disconnect switch. Electrical conductors are connected to the disconnect switch within the housing and have a blade terminal portion extending exteriorly of the housing for connection to jaws carried on an electrical component mountable in an electrical watthour meter socket. Degassing ports are formed between the cover and the sidewall of the housing to allow any arcing gasses generated within the interior of the housing to escape from the housing. A handle is mounted centrally on the cover. An ejector handle is movably mounted on the cover and carries an ejector arm to separate the housing from an attached electrical component. A method of removing and remounting a watthour meter in a meter socket is provided, including sequence steps printed on the face of the housing.Type: GrantFiled: December 15, 2003Date of Patent: January 25, 2005Assignee: Ekstrom Industries, Inc.Inventors: Darrell Robinson, Robert Groozen
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Patent number: 6754067Abstract: An instrument system includes an instrument assembly having at least one fitting projecting therefrom. The instrument system further includes at least a first housing member including at least one alignment member located therein. The alignment member preferably includes at least one sloped surface which slopes toward at least one seating adapted to seat the at least one fitting of the instrument assembly. The instrument system further includes a second housing member which forms an explosion-proof enclosure with the first housing member to enclose the instrument assembly. The second housing member preferably forms an explosion-proof enclosure with the first housing member via cooperating threading. The instrument assembly can, for example, include electrical components for a combustible gas sensor.Type: GrantFiled: September 6, 2002Date of Patent: June 22, 2004Assignee: Mine Safety Appliances CompanyInventors: Scott A. Turner, Christopher D. Starta
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Patent number: 6520798Abstract: A housing carries an electrical disconnect switch having movable contacts. A cover is mounted on the housing and has an opening allowing access to a control lever of the disconnect switch. Electrical conductors are connected to the disconnect switch within the housing and have a blade terminal portion extending exteriorly of the housing for connection to jaws carried on an electrical component mountable in an electrical watthour meter socket. Degassing ports are formed between the cover and the sidewall of the housing to allow any arcing gasses generated within the interior of the housing to escape from the housing. A handle is mounted centrally on the cover. An ejector handle is movably mounted on the cover and carries an ejector arm to separate the housing from an attached electrical component. A method of removing and remounting a watthour meter in a meter socket is provided, including sequence steps printed on the face of the housing.Type: GrantFiled: August 9, 2001Date of Patent: February 18, 2003Assignee: Ekstrom Industries, Inc.Inventors: Darrell Robinson, Robert Goozen
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Patent number: 6266233Abstract: A single housing containing an electric power meter compartment and a circuit breaker-power receptacle compartment is adapted for use at a temporary construction site employing underground utility cables in a utility secondary cable enclosure. The meter compartment and circuit breaker-power receptacle compartment are disposed in a side-by-side arrangement in the housing which is adapted for secure mounting to a pedestal connected to the underground utility cables. The power circuit breakers and receptacles are protected from the environment by means of an overhanging access door pivotally attached to the power receptacle(s) compartment. The attached plug-type power load cable connections in the housing are also environmentally protected by means of the access door overhang. Disposed in the circuit breaker-power receptacle compartment is a receptacle to provide electric power on a temporary basis such as to a contractor during the construction phase of a housing development.Type: GrantFiled: March 21, 2000Date of Patent: July 24, 2001Assignee: Electrical Materials Co.Inventor: Timothy M. O'Regan
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Patent number: 6104586Abstract: A circuit breaker switch apparatus pluggable into a watthour meter socket includes at least one set of line and load contact terminals and a power disconnect for completing an electrical circuit between at least one line terminal and one load terminal. The power disconnect switch is responsive to a trigger signal to switch switchable contacts to an open position and maintains the switchable contacts in the open position as long as the trigger signal is present. The power disconnect switch is mountable in the socket adapter housing by a snap-in connection. Load jaw contacts are mounted on rigid bus bars which are connectable to the power disconnect switch by a snap-in connection. An insulating shield surrounds the line and load jaw contacts and conductors while providing apertures to allow the insertion of watthour meter blade terminals therethrough into contact with the jaw contacts.Type: GrantFiled: November 19, 1998Date of Patent: August 15, 2000Assignee: Ekstrom Industries, Inc.Inventor: Darrell Robinson
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Patent number: 5627724Abstract: The present invention provides a combination service entrance device which contains a common enclosure that is divided by a center barrier into a first section for housing a watt-hour meter socket and a second section for housing a panel board containing at least two service disconnects. The meter socket provides power for use at least two output terminals. A separate connector having at least two connection points in a first plane and at least one connection point in a second plane is coupled to each of the socket meter output terminals. Substantially flexible insulated conductors are coupled to the connection points in the connectors and the service disconnects to provide power to the service disconnects.Type: GrantFiled: June 14, 1995Date of Patent: May 6, 1997Assignee: Square D CompanyInventors: Thomas C. Leach, James P. Mills, Jr.
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Patent number: 5627720Abstract: A power distribution box is provided with built in surge suppression capabilities that can be service without interrupting power to downline circuits powered from the power distribution box. A socket is wired directly to the busses supplying power to the circuit breakers in the power distribution box. The socket is designed to accept a surge suppression module that can be removed and replaced while the electrical connections in the socket are "hot." To prevent accidental electrocution the electrical contacts of the socket are place below the surface of the socket. Additionally, the stab-in connectors of the socket and the corresponding stabs of the surge suppression module are arranged in such a way as to ensure that the module is properly polarized when inserted into the socket.Type: GrantFiled: August 11, 1995Date of Patent: May 6, 1997Inventor: Keith A. Lewis
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Patent number: 5587874Abstract: An electrical busway meter service panel combination for mounting on the foundation of a building. The invention combines electric metering equipment or current transformers, and service disconnecting means into a single operating unit, the unit being adjustable for mounting on foundation walls of various thicknesses. The invention also has a busway connecting a meter fitting housing which houses the metering equipment or current transformer, to the service disconnecting means, the busway also holds the cables connected between the metering equipment or current transformer and the service disconnecting means. The busway may have multiple configurations for allowing mounting of the invention in building having no basements, half basements, or full basements.Type: GrantFiled: August 16, 1995Date of Patent: December 24, 1996Inventors: Dale Hoppensteadt, Joseph L. Mirocha
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Patent number: 5418683Abstract: A single unit enclosure containing an electric power meter compartment and a power receptacles compartment for use on a temporary construction site employing either underground or overhead utility cables. The meter compartment is located under the power receptacles compartment and is protected from the environment by means of the overhang provided by the access door attached to the power receptacles compartment. The incoming power cables to the enclosure are also protected by means of the access door overhang.Type: GrantFiled: February 7, 1994Date of Patent: May 23, 1995Assignee: General Electric CompanyInventors: Ronald J. Orchard, Darrel A. Holtz