Patents Examined by William A Bolton
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Patent number: 10312038Abstract: A voltage dividing capacitor (1) arranged parallel to a vacuum interrupter (2) has a long narrow cylindrical-shaped capacitor series (16) that is configured by a plurality of capacitor elements (15) being connected with connecting screws. One end of the capacitor series (16) is supported by a fixed supporting unit (25), and the other end id supported by a movable supporting unit (26) so as to allow thermal expansion and contraction. A insulation tube (31) fixed to the movable supporting unit (26) has a short length, and only a first capacitor element (15A) is fitted into the insulation tube (31). Since a portion where high electric field appears is a middle of five capacitor elements (15) and electric field at an end portion of the capacitor series (16) is low, forming of triple junction at the portion of the high electric field is avoided.Type: GrantFiled: March 13, 2017Date of Patent: June 4, 2019Assignee: MEIDENSHA CORPORATIONInventor: Akihiro Suwa
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Patent number: 10290437Abstract: In accordance with certain embodiments, an improved switching mechanism and related components are provided.Type: GrantFiled: March 18, 2014Date of Patent: May 14, 2019Assignee: Innovative Switchgear IP, LLCInventor: Roger L. Schafer
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Patent number: 10276335Abstract: A latching relay includes a first coil, a second coil and a common plunger operatively connected between the first and second coils such that activation of the first coil moves the plunger to a first position and activation of the second coil moves the plunger to a second position. The latching relay also includes a limit switch having a common contact and first and second coil contacts. A position of the common contact is alternately switched between electrical connection to either the first or second coil contact based on a position of the plunger. The first and second coil contacts are electrically connected to the first and second coils, respectively such that when electrical power is applied to the common contact, the electrical power is alternately applied to either the first coil or the second coil depending on the position of the common contact.Type: GrantFiled: January 12, 2018Date of Patent: April 30, 2019Assignee: Carling Technologies, Inc.Inventor: Michael Fasano
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Patent number: 10276313Abstract: A high-voltage earthing switch is disclosed. A static contact of the earthing switch is connected with the first end of a conductive copper busbar. The second end of the conductive copper busbar is connected with a transformer. The conductive copper busbar includes a first segment and a second segment connected with the first segment. The first segment is one straight segment and an end is taken as an end of the first end of the conductive copper busbar. The first segment extends from the static contact in the direction opposite to the instantaneous action direction of the moving contact when the moving contact engages the static contact. The second segment is connected with the other end of the first segment, and extends towards the side of the first segment facing away from the moving contact.Type: GrantFiled: February 26, 2018Date of Patent: April 30, 2019Assignee: JIANGSHAN ELECTRICAL TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Lihan Zhou, Chunwei Jiang, Chaofu Mao
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Patent number: 10276334Abstract: It is proposed a liner arrangement for fitting a tubular insulator body in a circuit breaker. The liner arrangement includes a planar, electric-arc resistant and heat resistant liner layer comprising a first edge portion and a second edge portion that is located opposite the first edge portion, wherein the first edge portion has a first contour extending in a direction transversally to a plane defined by the planar liner layer. The second edge portion has a second contour having a geometry that is complementary to the first contour such that the first edge portion can be attached by way of a form fit to the second edge portion once the planar liner layer is bent to a tubular shape. Further, a circuit breaker including a liner arrangement and an insulator is described. A method for protecting an insulator body of a heat chamber insulator for a circuit breaker is also described.Type: GrantFiled: October 30, 2017Date of Patent: April 30, 2019Assignee: ABB Schweiz AGInventors: Guido Meier, Jean-Claude Mauroux
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Patent number: 10269512Abstract: The invention relates to a method and a device for cutting off electric current. The device comprises at least one fixed contact and at least one moving contact that can move between a closed position and an open position, and at least one permanent magnet mounted together with the moving contact, such that the permanent magnet and the moving contact are able to move at the same time. The magnetic field of the magnet interferes with the area where the arc occurs and moves with the moving contact along its path, so with a small number of magnets, arc quenching capacity increases. The method of the invention comprises moving a permanent magnet through the area where an electrical arc occurs between a moving contact and a fixed contact, such that the generated magnetic field runs through at least part of the area where the arc occurs.Type: GrantFiled: May 18, 2017Date of Patent: April 23, 2019Assignee: GORLAN TEAM S.L.U.Inventor: Jose Oscar Andaluz Sorli
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Patent number: 10262813Abstract: A medium-, high-, or very high-voltage circuit breaker (10), comprising at least one arc-control chamber (12) and an outer casing (14) in which the arc-control chamber (12) is arranged. In the invention, the circuit breaker includes sealing ring (52) for sealing an opening (50) in a discharge cap (40) of the arc-control chamber (12), the ring (52) being movable between a sealing position and a retracted position in which they allow the gas to pass, the circuit breaker being configured in such a manner that in the closed position, the sealing ring (52) are in their retracted position, and in such a manner that passage from the retracted position to the sealing position takes place during an operation of opening the circuit breaker.Type: GrantFiled: December 18, 2015Date of Patent: April 16, 2019Assignee: GENERAL ELECTRIC TECHNOLOGY GMBHInventors: Emilien Pierres, Nicolas Toquet, Roger Ledru, Jean-Baptiste Jourjon, Laurent Boget
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Patent number: 10262820Abstract: A high voltage circuit breaker comprises a vacuum interrupter module, a drive module, and an actuator. The vacuum interrupter module has a vacuum interrupter housing and a pair of electrical contacts disposed in the vacuum interrupter housing. At least one of the pair of electrical contacts is movable relative to the other of the pair of electrical contacts to engage and disengage the electrical contacts from one another for switching a high voltage on and off. The drive module has a drive module housing and a drive member coupled with the at least one movable electrical contact. A central part of the drive member is disposed in the drive module housing and insulated from an ambient air. The actuator is coupled to the drive member and moves the pair of electrical contacts relative to one another.Type: GrantFiled: May 24, 2017Date of Patent: April 16, 2019Assignee: Tyco Electronics UK LtdInventors: Robert Phillpotts, Elizabeth Da Silva Domingues, Thomas Moore
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Patent number: 10256058Abstract: A switchgear includes a first contact capable of reciprocating along a motion axis, and a second contact. The second contact includes a facing unit movable in a first direction from the first contact toward the second contact when the facing unit is pushed in by the first contact, a spaced unit spaced from the axis and urged in a direction toward the axis, and a regulating unit coupled to the facing unit. The spaced unit abuts on the regulating unit to restrict movement of the spaced unit in the direction toward the axis as the facing unit is located in the second direction. The spaced unit is released from abutment on the regulating unit to move in the direction toward the axis into abutment on the first contact as the facing unit moves in the first direction.Type: GrantFiled: November 16, 2015Date of Patent: April 9, 2019Assignee: MITSUBISHI ELECTRIC CORPORATIONInventors: Masahiro Fujioka, Hitoshi Sadakuni, Masato Kawahigashi, Shinichiro Nakauchi
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Patent number: 10249459Abstract: A cooling system for a circuit breaker is provided. The cooling system includes a temperature management unit, a power assembly, and a heat dissipating assembly. The temperature management unit is structured to detect the temperature at one of the circuit breaker or the conductor assembly. The power assembly is structured to harvest energy from the circuit breaker. The heat dissipating assembly includes a number of convection units, each heat convection unit is disposed immediately adjacent a number of the heat exchanging element.Type: GrantFiled: September 19, 2016Date of Patent: April 2, 2019Assignee: EATON INTELLIGENT POWER LIMITEDInventors: He Yang, Li Yu, Jiong Chen, Mark Mao, Chao Xin, Yujie Yang
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Patent number: 10242814Abstract: An electric arc extinction chamber comprises a stack of electric arc splitter plates. The splitter plates define an inlet of the extinction chamber that is to be present facing electric contacts, and a back of the extinction chamber. At least one permanent magnet is present inside the extinction chamber in a central zone in the width direction of the extinction chamber and beside the back thereof. The magnet presents magnetization having a non-zero component along an axis extending between the inlet and the back of the extinction chamber.Type: GrantFiled: October 20, 2015Date of Patent: March 26, 2019Assignee: SOCOMECInventors: Jérôme Hertzog, Karine Coquil
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Patent number: 10242832Abstract: An improved circuit breaker is disclosed herein. The improved circuit breaker includes one or more main contacts and only one resistor contact. The only one resistor contact is connected in parallel with at least one of the one or more main contacts.Type: GrantFiled: January 14, 2016Date of Patent: March 26, 2019Assignee: Siemens AktiengesellschaftInventors: Srinivas Gopa, Frank Richter, Amit Shende, Jörg Teichmann
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Patent number: 10236150Abstract: The present invention relates to a molded-case circuit breaker for direct current (DC), and more particularly, to a molded-case circuit breaker for DC in which a connecting conductor for connecting terminals in the DC circuit breaker is configured as an assembly unit and contained in a terminal receiving portion to improve insulation performance and assemblability and reduce occupied space. There is provided a molded-case circuit breaker for DC that contains a plurality of interruption units, the DC circuit breaker including a terminal connecting unit that connects terminals of adjacent interruption units, the terminal connecting unit being placed within a terminal receiving portion on the front or rear of an outer casing of the circuit breaker.Type: GrantFiled: December 14, 2017Date of Patent: March 19, 2019Assignee: LSIS CO., LTD.Inventor: Kyunghwan Oh
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Patent number: 10236145Abstract: A high voltage DC circuit interrupter that is provided with a double break contact where each contact is provided with an arc chamber. The double break contacts are provided in series with each other and an overcurrent measurement device such that if an overcurrent is measured, the contacts are simultaneously opened (i.e., double break) to lower the voltage that is developed across each of the sets of contacts. A handle is provided for simultaneously resetting and closing the sets of contacts.Type: GrantFiled: November 22, 2017Date of Patent: March 19, 2019Assignee: Carling Technologies, Inc.Inventor: Michael Fasano
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Patent number: 10236136Abstract: A high voltage switch system including a circuit interrupter having a first set of contacts in series with a first coil, which are in series with a second coil and a second set of contacts, the first coil wound around a first core and the second coil wound around a second coil such that upon an arc forming between the contacts of the first and second contacts, the arcs are motivated in opposite directions to be extinguished.Type: GrantFiled: February 24, 2018Date of Patent: March 19, 2019Assignee: Carling Technologies, Inc.Inventor: Michael Fasano
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Patent number: 10229800Abstract: A high voltage/high current air break switch, the switch including a support frame and a blade pivotally supported by the support frame, so as to be pivotable relative to the support frame. The blade includes a load interrupter between a blade support and the distal end of the blade. And a method of operating an air break electrical switch with a swinging blade mounted on a support and having blade contacts brought into and out of engagement with a terminal with terminal contacts, and a load interrupter with contacts in a vacuum bottle, the method steps comprising turning the support to move the blade relative to the terminal, then turning the support to move the vacuum bottle electrical contacts and to move the blade contacts relative to the terminal contacts.Type: GrantFiled: June 13, 2017Date of Patent: March 12, 2019Assignee: Hubbell IncorporatedInventors: David A. Rhein, Andrew Kellerman
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Patent number: 10229793Abstract: Circuit interrupters such as breakers with a metal arc chute having a base and sidewalls extending outward from the base forming an open cavity, a movable arm holding a movable contact adjacent to the arc chute, a line conductor electrically connected to a stationary contact residing adjacent to the arc chute facing the movable contact and a three-dimensional molded arc quenching insert attached to the metal arc chute, and residing in the cavity of the metal arc chute between the stationary and movable contacts. The insert has an arc quenching material that optionally releases a gas such as hydrogen during an arcing event.Type: GrantFiled: July 12, 2017Date of Patent: March 12, 2019Assignee: Eaton Intelligent Power LimitedInventors: James Gerard Maloney, Jeffrey Scott Gibson, John Clark
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Patent number: 10224162Abstract: A single or multiple pole switching device which includes a switch chamber with an arc extinguishing device for each pole, wherein the switch chamber has two lateral walls between which a cage is arranged that is provided for mounting a movable contact bridge, where contacts are arranged on the contact bridge, where the arc extinguishing device has a plurality of quenching plates, the ends of which are accommodated in a pocket arrangement, where the lateral walls have a support for laterally supporting the cage in a direction transverse with respect to the switching direction of the contacts and parallel to the lateral walls, where the pocket arrangement is a separate component from the cage, which pocket arrangement is spaced apart from the cage such that it does not provide such lateral support for the cage, such that a cost-effective and reliable single or multiple pole switching device is provided.Type: GrantFiled: September 24, 2014Date of Patent: March 5, 2019Assignee: Siemens AktiengesellschaftInventor: Rudolf Graefenhahn
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Patent number: 10217581Abstract: An actuation system of a vacuum bottle for an electrical connection device, the vacuum bottle including one movable electrode and one fixed electrode, the movable electrode being movable longitudinally between a closed position in which the two electrodes are in contact with each other and an open position in which the two electrodes are separated. The actuation system includes an adjusting nut linked to the movable electrode and capable of rotation for adjusting its position in relation to the movable electrode, a driving device acting on the adjusting nut for driving the movable electrode towards the open position, and a locking device for locking the position of the adjusting nut in relation to the movable electrode.Type: GrantFiled: September 20, 2017Date of Patent: February 26, 2019Assignee: SCHNEIDER ELECTRIC INDUSTRIES SASInventors: Francois Famy, Patrice Grosjean, Pierre Newinger, Daniel Reviron
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Patent number: 10211003Abstract: A DC voltage circuit interrupter that provides polarity insensitive arc suppression. The circuit interrupter includes two permanent magnets that are positioned in proximity to each of the contacts in the circuit interrupter and is designed to urge an arc that develops between the contacts either toward a first arc extinguisher or a second arc extinguisher depending on the polarity of the applied DC voltage. The circuit interrupter being quick to assemble, light-weight and relatively inexpensive and easy to mount.Type: GrantFiled: November 22, 2017Date of Patent: February 19, 2019Assignee: Carling Technologies, Inc.Inventor: Michael Fasano
