With Over-pressure Breakaway Fuse Patents (Class 361/275.2)
  • Patent number: 9696348
    Abstract: Multi-layer capacitor divider voltage sensors include a plurality of voltage sensor conductive layers having sensor to ground interface surfaces. Respective voltage sensor conductive layers are connected to each other and sensor output voltage Vs by continuations of material forming the interface surfaces extending therebetween. The voltage sensors also include a plurality of conductive ground layers connected to electrical ground, the ground layers interleaved with the voltage sensor conductive layers so that a conductive ground layer resides between adjacent conductive voltage sensor layers. A first voltage sensor conductive layer (closest to a line conductor) is electrically connected to the other conductive voltage sensor layers and output voltage Vs and has a sensor to conductor interface surface with a corresponding interface area.
    Type: Grant
    Filed: May 19, 2016
    Date of Patent: July 4, 2017
    Assignee: Eaton Corporation
    Inventors: Mark Allan Juds, Kurt von Eckroth, John Trublowski, Naresh Kumar Kodela
  • Patent number: 9445202
    Abstract: The present disclosure relates to the field of acoustics, sound reproduction technologies, and the design principle of the loudspeaker, and more particularly, to an electroacoustic transducer having controlled ion generation. The electroacoustic transducer may include an anode having one or more discharge elements electronically connected to a first terminal of a voltage source, the one or more discharge elements of the anode having a first surface area configured to generate ions in conjunction with the connected voltage source. The electroacoustic transducer may also include a cathode having one or more discharge elements electronically connected to a second terminal of the voltage source, the one or more discharge elements of the cathode having a second surface area configured to generate ions in conjunction with the connected voltage source, wherein a ratio of the first surface area to the second surface area is greater than one.
    Type: Grant
    Filed: December 31, 2015
    Date of Patent: September 13, 2016
    Assignee: AGA ad Media, LLP
    Inventor: Maksym Viktorovich Chyzhov
  • Publication number: 20140177125
    Abstract: The capacitor (2) according to the invention comprises: an enclosure (4); an insulating material (6) contained in the enclosure (4); a capacitive device (8) comprising two conductive layers and at least one dielectric layer formed from a dielectric material and inserted between the two conductive layers; and a protection device (12) comprising a mechanism (40) for disconnecting the capacitive device (8) in case of overpressure in the enclosure (4); and characterized in that it further comprises, inside the enclosure (4), a degassing material (58) capable of releasing gas at a degassing temperature (Tgaz) below the decomposition temperature of the dielectric material to generate an overpressure in the enclosure (4).
    Type: Application
    Filed: December 16, 2013
    Publication date: June 26, 2014
    Applicant: SCHNEIDER ELECTRIC INDUSTRIES SAS
    Inventors: Olivier DUJEU, Christophe Guillermin
  • Publication number: 20130003252
    Abstract: A capacitor provides a plurality of selectable capacitance values, by selective connection of six concentrically wound capacitor sections of a capacitive element each having a capacitance value. The capacitor sections each have a respective section element terminal at a first end of the capacitive element and the capacitor sections have a common element terminal at a second end of the capacitive element. A pressure interrupter cover assembly is sealingly secured to the open end a case for the element and has a deformable cover with a centrally mounted common cover terminal and a plurality of section cover terminals mounted at spaced apart locations. A conductor frangibly connects the common element terminal of the capacitive element to the common cover terminal and conductors respectively frangibly connect the capacitor section terminals to the section cover terminals.
    Type: Application
    Filed: August 31, 2012
    Publication date: January 3, 2013
    Inventor: Robert M. Stockman
  • Publication number: 20090059463
    Abstract: A multi-value capacitor with a safety disconnect mechanism has a capacitive element with six capacitive sections, a common wire, and six section wires enclosed in a cylindrical metal can with a metal lid that normally has a concave configuration. The wires are soldered to contacts extending through the concave metal lid. The safety disconnect mechanism includes an external insulator disk with terminals. The terminals in the insulator disk align with the contacts in the metal lid. The center common terminal of the insulator disk is fixedly riveted to the center common contact of the metal lid. Spring elements form the electrical connection between the section terminals of the insulator disk and the section contacts in the metal lid.
    Type: Application
    Filed: July 15, 2008
    Publication date: March 5, 2009
    Inventor: Charles Barry Ward
  • Patent number: 7436646
    Abstract: A protection element for a capacitor with self-healing properties has a membrane for activating a current interruption element when a gas, produced when a self-healing operation occurs within the capacitor, exerts a pressure on the membrane, the current interruption element being connected in series with an electrode of the capacitor, the current interruption element interrupting an electrical current flowing towards the electrode when the pressure is exerted on the membrane, and the current interruption element being operationally engaged with a temperature sensitive member that reacts, when sensing a temperature above a predetermined value, in a manner to operate the current interruption element.
    Type: Grant
    Filed: September 20, 2006
    Date of Patent: October 14, 2008
    Assignee: ABB Technology AG
    Inventors: Francois Delince, Luc Spronck