Wound Patents (Class 361/301.5)
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Patent number: 11923147Abstract: A film capacitor that includes: an outer case defining an opening; a capacitor element within the outer case, the capacitor element including one or more metallized films, each metallized film including a resin film and a metal layer on a surface of the resin film; and a filling resin that fills a space between the capacitor element and the outer case, wherein the filling resin includes a first filling resin layer surrounding the capacitor element and a second filling resin layer disposed closer to the opening of the outer case than the first filling resin layer, the first filling resin layer and the second filling resin layer are made of the same resin and each contain a filler, and a filler content of the second filling resin layer is higher than a filler content of a portion of the first filling resin layer opposing the second filling resin layer.Type: GrantFiled: December 20, 2021Date of Patent: March 5, 2024Assignee: MURATA MANUFACTURING CO., LTD.Inventors: Satoru Jogan, Hiroki Kitamura
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Patent number: 11908622Abstract: Capacitor includes a capacitor element unit and a case that is made of a metal and houses the capacitor element unit. The capacitor element unit includes a capacitor element, a first bus bar and a second bus bar that are connected to the capacitor element, and an insulating member disposed between the first bus bar and the second bus bar. The insulating member includes a first mounting portion, and the case includes a second mounting portion to which the first mounting portion is attached so that the capacitor element unit is located at a predetermined position with respect to the case while the first bus bar and the second bus bar are not in contact with the case.Type: GrantFiled: July 12, 2021Date of Patent: February 20, 2024Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Motohiro Kawahata, Eiji Koba
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Patent number: 11776758Abstract: A capacitor includes a capacitor element, a bus bar connected to an electrode of the capacitor element, a case housing the capacitor element, and a filling resin filled in the case. The bus bar includes a first section and a second section. The first section is exposed from the filling resin and includes a connection terminal configured to be connected to an external terminal. The second section has a buried section buried in the filling resin and an exposed section exposed from the filling resin, and includes a connection part connected to the electrode. The exposed section is located away from the first section.Type: GrantFiled: September 24, 2021Date of Patent: October 3, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yuki Urano, Ayaka Nakada, Akihiro Ozaki
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Patent number: 11062850Abstract: A film capacitor includes a capacitor element, a first bus bar, and a second bus bar. The first bus bar includes a first electrode connecting part connected to the first electrode of the capacitor element at one end and a first connection terminal at another end. The second bus bar includes a second electrode connecting part connected to the second electrode of the capacitor element at one end and a second connection terminal at another end. The first bus bar includes a branch part that is branched from a position closer to the first electrode connecting part than the first connection terminal and extends toward the second electrode along a peripheral surface of the capacitor element. The second bus bar includes an overlapping part that overlaps at least a part of the branch part. The overlapping part is along the peripheral surface of the capacitor element.Type: GrantFiled: August 22, 2019Date of Patent: July 13, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Shozo Hiramoto, Hiroki Takeoka, Kazumasa Yoshida, Daisuke Mitani
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Patent number: 10895102Abstract: Certain example embodiments relate to electric, potentially-driven shades usable with insulating glass (IG) units, IG units including such shades, and/or associated methods. In such a unit, a dynamic shade is located between the substrates defining the IG unit, and is movable between retracted and extended positions. The dynamic shade includes on-glass layers including a transparent conductor and an insulator or dielectric film, as well as a shutter. The shutter includes a resilient polymer, a conductor, and optional ink. Holes, invisible to the naked eye, may be formed in the polymer. Those holes may be sized, shaped, and arranged to promote summertime solar energy reflection and wintertime solar energy transmission. The conductor may be transparent or opaque. When the conductor is reflective, overcoat layers may be provided to help reduce internal reflection. The polymer may be capable of surviving high-temperature environments and may be colored in some instances.Type: GrantFiled: July 6, 2018Date of Patent: January 19, 2021Assignee: Guardian Glass, LLCInventors: Timothy J. Frey, Rudolph Hugo Petrmichl, Jason Blush
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Patent number: 10879000Abstract: A multilayer ceramic electronic component includes a ceramic body including dielectric layers and first and second internal electrodes, first and second external electrode disposed on first and second external surfaces of the ceramic body to be electrically connected to the first and second internal electrodes, respectively, and an interposer including an insulating body having first and second recess regions and first and second terminal electrodes. The first and second recess regions are disposed in a central region of the insulating body in a width direction. A/B is within a range from 0.14 or more to 0.51 or less, where A is an area of each of the first and second recess regions, viewed in a cross-section in length and width directions, and B is an area of each of the first and second terminal electrodes, viewed in the cross-section in the length and width directions.Type: GrantFiled: December 7, 2018Date of Patent: December 29, 2020Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventors: Gu Won Ji, Ho Yoon Kim, Heung Kil Park, Sang Soo Park, Woo Chul Shin
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Patent number: 10784049Abstract: The purpose of the present invention is to provide a winding-type stacked body for a condenser capable of realizing a high electrostatic capacitance and a high degree of withstand voltage. The purpose is accomplished by a winding-type stacked body for a condenser, comprising a metal layer and a dielectric layer, wherein the dielectric layer exists on the metal layer, two metal layers having the dielectric layers constitute a pair and are stacked and wound to configure the winding-type stacked body, which comprises no plastic film.Type: GrantFiled: February 3, 2015Date of Patent: September 22, 2020Assignee: LG CHEM, LTD.Inventors: Shinji Shiraki, Sang-Hyun Park
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Patent number: 10636573Abstract: A device and its method of manufacture, the device configured for providing electrical energy storage of high specific energy density. The device contains one or more layers of high dielectric constant material, such as Barium Titanate or Hexagonal Barium Titanate, sandwiched between electrode layers made up of one or more of a variety of possible conducting materials. The device includes one or more electrically insulating layers including carbon, such as carbon formed into diamond or a diamond-like arrangement, for insulating the electrode(s) from the dielectric layer(s) to provide for very high breakdown voltages with good heat conductivity. The layers can be created by a variety of methods including laser deposition, and assembled to form a capacitor device provides the high energy density storage.Type: GrantFiled: July 12, 2018Date of Patent: April 28, 2020Inventors: Barbara Stuart, Stephen L Cunningham
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Patent number: 10586655Abstract: An apparatus includes a case having an elliptical cross-section capable of receiving a plurality of capacitive elements. One or more of the capacitive elements provide at least one capacitor having a first capacitor terminal and a second capacitor terminal. The apparatus also includes a cover assembly that includes a deformable cover mountable to the case, and, a common cover terminal having a contact extending from the cover. The cover assembly also includes at least three capacitor cover terminals, each of the at least three capacitor cover terminals having at least one contact extending from the deformable cover. The deformable cover is configured to displace at least one of the at least three capacitor cover terminals upon an operative failure of at least one of the plurality of the capacitive elements. The cover assembly also includes at least four insulation structures. One of the four insulation structures is associated with one of the at least three capacitor cover terminals.Type: GrantFiled: July 30, 2019Date of Patent: March 10, 2020Assignee: American Radionic Company, Inc.Inventor: Robert M. Stockman
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Patent number: 10568208Abstract: There is provided a component carrier comprising: (a) a stack of at least one electrically conductive layer structure and at least one electrically insulating layer structure; and (b) a bypass capacitance structure formed on an/or within the stack. The bypass capacitance structure comprises an electrically conductive film structure having a rough surface, a dielectric film structure formed on the rough surface, and a further electrically conductive film structure formed on the dielectric film structure.Type: GrantFiled: July 28, 2017Date of Patent: February 18, 2020Assignee: AT & S AUSTRIA TECHNOLOGIE & SYSTEMTECHNIK AKTIENGESELLSCHAFTInventor: Wilhelm Tamm
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Patent number: 10553366Abstract: An apparatus is disclosed which includes an electrolytic capacitive element with multiple capacitor sections, a pressure interrupter cover assembly, and a conductor configured to electrically connect a common terminal of the multiple capacitor sections to a common cover terminal. Each first terminal of the multiple capacitor sections is electrically connected to one of a plurality of capacitor cover terminals.Type: GrantFiled: July 20, 2018Date of Patent: February 4, 2020Assignee: American Radionic Company, Inc.Inventor: Robert M. Stockman
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Patent number: 10541084Abstract: There is a film capacitor capable of suppressing decrease in the electrostatic capacitance even after a self-healing phenomenon has occurred. A film capacitor includes a dielectric film; and an electrode film disposed on a principal surface of the dielectric film, the dielectric film containing an organic resin and an organic component having a higher volatility than the organic resin. The organic resin is preferably any one of a cyclic olefin-based resin, a polyarylate resin, a polyphenylene ether resin and a polyetherimide resin. The organic component is preferably at least one selected from the group consisting of cyclohexane, ethylcyclohexane, toluene, xylene, chloroform, and tetrahydrofuran.Type: GrantFiled: November 13, 2018Date of Patent: January 21, 2020Assignee: KYOCERA CORPORATIONInventors: Kazutaka Maeda, Wataru Kato
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Patent number: 10475588Abstract: A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal. A pressure interrupter cover assembly is sealingly secured to the open end of case for the elements 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 capacitor section to the common cover terminal and conductors respectively frangibly connect the capacitor section terminals to the section cover terminals.Type: GrantFiled: July 20, 2018Date of Patent: November 12, 2019Assignee: American Radionic Company, Inc.Inventor: Robert M. Stockman
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Patent number: 10153093Abstract: The present invention relates to the area of micro- and nanoelectronics and relates to ultra-compact micro capacitors, how they can be used, for example, in electrical and electronic devices. The object of the present invention consists in specifying an ultra-compact micro capacitor with the highest capacity. The problem is solved by an ultra-compact micro capacitor which is made from a rolled-up layer stack of alternatingly arranged layers of dielectric and/or electrically insulating and electrically conductive materials with rolled-up lengths of the layer stack of at least 1 mm, and an absolute electrical storage capacity of at least 10 nF.Type: GrantFiled: November 5, 2015Date of Patent: December 11, 2018Assignees: LEIBNIZ-INSTITUT FUER FESTKOERPER-UND WERKSTOFFORSCHUNG DRESDEN E.V., MURATA MANUFACTURING CO., LTD.Inventors: Daniel Grimm, Martin Bauer, Oliver G. Schmidt, Shoichiro Suzuki
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Patent number: 10147549Abstract: An apparatus includes a case capable of receiving a plurality of capacitive elements, each capacitor element having at least two capacitors, and each capacitor having a capacitive value. The apparatus also includes a cover assembly with a peripheral edge secured to the case. The cover assembly includes, for each of the plurality of capacitive elements, a cover terminal that extends upwardly from the cover assembly generally at a central region of the cover assembly. Each cover terminal is connected to one of the at least two capacitors of the respective one of the plurality of capacitive elements. The cover assembly also includes, for each of the plurality of capacitive elements, a cover terminal that extends upwardly from the cover assembly at a position spaced apart from the cover terminal generally at the central region of the cover assembly.Type: GrantFiled: September 15, 2017Date of Patent: December 4, 2018Assignee: American Radionic Company, Inc.Inventors: Robert M. Stockman, Richard W. Stockman, Michael B. Tricano, Jonathan Charles
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Patent number: 10147558Abstract: A composition of a capacitor and a method to form same are disclosed. The capacitor comprises a first electrode, a second electrode, and at least one cellular material disposed between said first electrode and said second electrode. Further, the capacitor is at least partially impregnated with one or more liquid prepolymers comprising an electrolyte material, which is cured to form a polymeric matrix.Type: GrantFiled: March 28, 2017Date of Patent: December 4, 2018Inventors: Constantin Ciocanel, Cindy Browder, Bertrand Francis Cambou
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Patent number: 10079102Abstract: A metallized film capacitor includes a metallized film columnar body in which metallized films are stacked or wound, an external lead-out terminal, and a metal sprayed portion to which the external lead-out terminal is joined and that is provided in the metallized film columnar body. The metallized film columnar body includes (i) a metal deposition film includes (a) a non-slit-forming region that does not includes a non-deposition slit and (b) a slit-forming region including plural non-deposition slits and fuse portions that are present between the non-deposition slits, (ii) insulating non-melting films that are provided on at least the fuse portions closest to the non-slit-forming region and do not melt due to heat generated from fuse portions, and (iii) a dielectric film.Type: GrantFiled: August 5, 2016Date of Patent: September 18, 2018Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takahiro Saito
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Patent number: 10056195Abstract: An apparatus is disclosed which includes an electrolytic capacitive element with multiple capacitor sections.Type: GrantFiled: August 3, 2016Date of Patent: August 21, 2018Assignee: American Radionic Company, Inc.Inventor: Robert M. Stockman
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Patent number: 9881736Abstract: A multilayer ceramic component includes multilayer ceramic capacitors disposed on opposing surfaces of a board in a thickness direction of the board and metal terminals connected to electrode pads disposed on the board. The metal terminals are partially exposed to an exterior of the multilayer ceramic component.Type: GrantFiled: November 13, 2015Date of Patent: January 30, 2018Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.Inventor: Heung Kil Park
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Patent number: 9779881Abstract: An electrolytic capacitor includes wound body, a solid electrolyte layer, and resin layer. Wound body is formed by winding a positive electrode member having a surface with a dielectric film thereon and a negative electrode member. The solid electrolyte layer is formed by impregnating wound body with a dispersion of a conductive polymer or a solution of a conductive polymer, and then drying the dispersion or the solution with which wound body is impregnated. Resin layer covers at least a part of an outer peripheral surface of wound body.Type: GrantFiled: July 24, 2015Date of Patent: October 3, 2017Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventor: Yoshiaki Ishimaru
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Patent number: 9693476Abstract: A power conversion apparatus has a configuration in which plate-like bus-bars are laminated via an insulating material to define a pair of bus-bars. A laminated bus-bar, in which the pair of bus-bars is disposed vertically so that a width direction thereof is in a vertical direction, includes a pair of voltage measuring terminals that is correspondingly branched from a part of the pair of bus-bars to extend toward a circuit board. The pair of voltage measuring terminals is arranged symmetrically with respect to the pair of bus-bars to extend upward toward the circuit board, while extending in an intersecting direction intersecting with the pair of bus-bars, to be electrically connected to the circuit board.Type: GrantFiled: August 18, 2015Date of Patent: June 27, 2017Assignee: KEIHIN CORPORATIONInventors: Kazuya Nagasawa, Hiroaki Iida, Morifumi Shigemasa, Yasuhiro Maeda, Masami Ogura, Hitoshi Nishio
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Patent number: 9670066Abstract: A composition generally includes carbon particles. The particles are prepared by dissolving a carbohydrate-based precursor in water to form a precursor solution and placing the precursor solution in a pressure vessel. The precursor solution is placed in a pressure vessel. The pressure vessel is heated to a reaction temperature to form carbon particles. The carbon particles are subjected to a chemical activation and a physical activation. The composition includes, by weight, about 5% to about 30% oxygen.Type: GrantFiled: November 22, 2013Date of Patent: June 6, 2017Assignee: UNIVERSITY OF KENTUCKY RESEARCH FOUNDATIONInventors: Stephen M. Lipka, Christopher R. Swartz
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Patent number: 9620285Abstract: A capacitor including: a first conductive plate; a second conductive pate arranged parallel to the first conductive plate to define a spacing between a surface of the first conductive plate and an opposing surface of the second conductive plate; a dielectric material disposed in the plate; and a capacitor lead connected to one of the first and second conductive plates at a connection region; wherein a thickness of the space is varied in the connection region.Type: GrantFiled: July 18, 2014Date of Patent: April 11, 2017Assignee: OMNITEK PARTNERS LLCInventors: Jahangir S Rastegar, Dake Feng
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Patent number: 9620297Abstract: An electrode material for electricity storage devices includes: an active material including at least one of quinone having a halogen group and hydroquinone having a halogen group; and a porous body supporting the active material.Type: GrantFiled: March 4, 2014Date of Patent: April 11, 2017Assignee: TOHOKU UNIVERSITYInventors: Itaru Honma, Satoshi Mitani, Takaaki Tomai
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Patent number: 9406449Abstract: Supercapacitors have composite electrodes that include a porous carbonaceous material such as graphene onto which a metal oxide pseudocapacitor material is deposited in the form of nano-scale particles or a nano-scale film. The composite electrodes exhibit excellent specific capacitance, even at high scan rates.Type: GrantFiled: November 9, 2012Date of Patent: August 2, 2016Assignee: Regents of the University of Colorado, a Body CorporateInventors: Ming Xie, Steven M. George, Mattias J. Young, Xiang Sun, Jie Lian, Gongkai Wang
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Patent number: 9362058Abstract: The invention relates to a safety vehicle capacitor. It includes a box-shaped capacitor shell, lead-out electrode sheet, capacitor core accommodated inside capacitor shell and epoxy resin used to encapsulate the capacitor core.Type: GrantFiled: June 25, 2012Date of Patent: June 7, 2016Assignees: SHANGHAI HAOYE ELECTRIC CO., LTD, SHANGHAI HAOYE CAPACITORS CO., LTD.Inventors: Zikui Zhang, Feng Xu, Jinhua Jiang
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Patent number: 9362051Abstract: 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: GrantFiled: December 16, 2013Date of Patent: June 7, 2016Assignee: SCHNEIDER ELECTRIC INDUSTRIES SASInventors: Olivier Dujeu, Christophe Guillermin
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Patent number: 9236183Abstract: A capacitor having a dielectric consisting of a glass layer with an alkali metal oxide content of at most 2 wt % and a thickness of at most 50 ?m is provided. The capacitor includes at least two metal layers which are separated by the glass layer. The glass layer is preferably produced by a down-draw method or by an overflow down-draw fusion method.Type: GrantFiled: September 17, 2014Date of Patent: January 12, 2016Assignee: SCHOTT AGInventors: Martin Letz, Hans-Heinrich Gundelach, Holger Wegener
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Publication number: 20150138690Abstract: A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal.Type: ApplicationFiled: November 17, 2014Publication date: May 21, 2015Inventor: Robert M. Stockman
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Patent number: 9019689Abstract: An apparatus includes a case capable of receiving a plurality of capacitive elements, each capacitor element having at least two capacitors, and each capacitor having a capacitive value. The apparatus also includes a cover assembly with a peripheral edge secured to the case. The cover assembly includes, for each of the plurality of capacitive elements, a cover terminal that extends upwardly from the cover assembly generally at a central region of the cover assembly. Each cover terminal is connected to one of the at least two capacitors of the respective one of the plurality of capacitive elements. The cover assembly also includes, for each of the plurality of capacitive elements, a cover terminal that extends upwardly from the cover assembly at a position spaced apart from the cover terminal generally at the central region of the cover assembly.Type: GrantFiled: May 21, 2014Date of Patent: April 28, 2015Assignee: American Radionic Company, Inc.Inventors: Robert M. Stockman, Richard W. Stockman, Michael B. Tricano, Jonathan Charles
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Patent number: 9001497Abstract: An electrode foil includes a substrate and a coarse film layer having a void therein and formed on the substrate. The coarse film layer includes at least a first coarse film layer formed on the substrate. The first coarse film layer is composed of arrayed first columnar bodies. Each of the first columnar bodies is composed of metallic microparticles stacked on a surface of the substrate and extending in a curve from the surface of the substrate.Type: GrantFiled: March 14, 2011Date of Patent: April 7, 2015Assignee: Panasonic Intellectual Property Management Co., Ltd.Inventors: Akiyoshi Oshima, Hiroki Kamiguchi, Masashi Shoji, Hitoshi Ishimoto
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Publication number: 20140368970Abstract: A resin composition constituting dielectric resin films of a film capacitor includes a first atom group including at least one functional group selected from among a methylene group, an aromatic ring and an ether group and having a relatively small molar polarizability, and a second atom group including at least one functional group selected from among a hydroxyl group, an amino group and a carbonyl group and having a relatively large molar polarizability. The resin composition satisfies the condition that a value calculated from the formula (sum of absorption band intensities of first atom group)/(sum of absorption band intensities of second atom group) is 1.0 or more. Herein, as absorption band intensities of the functional groups, peak intensities detected in specific wavenumber ranges are employed.Type: ApplicationFiled: August 29, 2014Publication date: December 18, 2014Inventors: Tomomichi Ichikawa, Norihiro Yoshikawa, Shinichi Kobayashi, Yasunori Hioki, Ichiro Nakaso, Tomoki Inakura
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Publication number: 20140355173Abstract: A uniaxially-stretched, high yield extruded film comprising a polyetherimide comprising units derived from polymerization of an aromatic dianhydride with a diamine selected from a meta-phenylene diamine, a para-phenylene diamine, and a combination thereof, wherein the polyetherimide is endcapped with an a substituted or unsubstituted aromatic primary monoamine; and wherein the high yield extruded film comprises at least 90 weight % of the polyetherimide before extrusion.Type: ApplicationFiled: May 30, 2014Publication date: December 4, 2014Applicant: SABIC GLOBAL TECHNOLOGIES BVInventors: Roy Ray Odle, Matthew Frank Niemeyer, Mark A. Sanner, Anne E. Bolvari, Neal Pfeiffenberger
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Patent number: 8891224Abstract: A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal.Type: GrantFiled: August 14, 2013Date of Patent: November 18, 2014Assignee: America Radionic Company, Inc.Inventor: Robert M. Stockman
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Patent number: 8885318Abstract: A hard start capacitor replacement unit has a plurality of capacitors in a container sized to fit in existing hard start capacitor space. The capacitors are 4 metallized film capacitors wound in a single cylindrical capacitive element. The container has a common terminal and capacitors value terminals for the plurality of capacitors, which may be connected singly or in combination to provide a selected capacitance. An electronic or other relay connects the selected capacitance in parallel with a motor run capacitor. The hard start capacitor replacement unit is thereby adapted to replace a wide variety of hard start capacitors.Type: GrantFiled: March 14, 2013Date of Patent: November 11, 2014Assignee: American Radionic Company, Inc.Inventor: Richard Stockman
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Patent number: 8871850Abstract: There is provided a highly dielectric film which has high dielectric property, can be formed into a think film and is excellent in winding property (flexibility). The highly dielectric film comprises (A) a vinylidene fluoride polymer, (B) barium titanate oxide particles and/or lead zirconium titanate oxide particles, and (C) an affinity improving agent, wherein the barium titanate oxide particles and/or lead zirconium titanate oxide particles (B) and the affinity improving agent (C) are contained in amounts of 10 to 500 parts by mass and 0.01 to 30 parts by mass, respectively based on 100 parts by mass of the vinylidene fluoride polymer (A).Type: GrantFiled: June 27, 2011Date of Patent: October 28, 2014Assignee: Daikin Industries, Ltd.Inventors: Meiten Koh, Kouji Yokotani, Miharu Matsumura
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Patent number: 8861177Abstract: A metallized film capacitor includes a dielectric film and two metal vapor-deposition electrodes facing each other across the dielectric film. At least one of the metal vapor-deposition electrodes is made of substantially only aluminum and magnesium. This metallized film capacitor has superior leak current characteristics and moisture resistant performances, and can be used for forming a case mold type capacitor with a small size.Type: GrantFiled: September 10, 2013Date of Patent: October 14, 2014Assignee: Panasonic CorporationInventors: Hiroki Takeoka, Hiroshi Kubota, Yukikazu Ohchi, Hiroshi Fujii, Yukihiro Shimasaki
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Publication number: 20140301018Abstract: A metallized film capacitor includes first and second winding cores disposed along a center axis, and a capacitor element wound about the center axis around the first and the second winding cores. The second winding core is apart from the first winding core. The first and second winding cores have a thermal conductivity larger than that of the dielectric film of the capacitor element. Length Ld of the capacitor element in a direction of the center axis, length L1 of the first winding core inside the capacitor element in the direction of the center axis, and length L2 of the second winding core inside the capacitor element in the direction of the center axis satisfy the relations of L1>L2, L1+L2<Ld, L1?Ld/2, and L2?(Ld?L1)/2. The metallized film capacitor provides the capacitor element with improved heat dissipation performance.Type: ApplicationFiled: October 24, 2012Publication date: October 9, 2014Applicant: PANASONIC CORPORATIONInventors: Tsuyoshi Ichinose, Hiroki Takeoka
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Publication number: 20140286064Abstract: A capacitor device includes: a film capacitor element that comprises a coiled body in which an insulating layer and an electrification layer are laminated and wound together, and a pair of collector electrodes that are formed upon two opposite end faces of the coiled body; a case that comprises a capacitor housing portion within which the film capacitor element is received; a pair of inserts having insulation properties, one of which is inserted between one of the pair of collector electrodes and one of inner walls of the capacitor housing portion; and a mass of sealing and insulating material that is charged between the film capacitor element and the one of the inner walls of the capacitor housing portion.Type: ApplicationFiled: March 5, 2014Publication date: September 25, 2014Applicant: Hitachi, Ltd.Inventors: Hiroshi KAMIZUMA, Kinya NAKATSU, Junpei KUSUKAWA, Takeshi TOKUYAMA
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Publication number: 20140285949Abstract: A hard start capacitor replacement unit has a plurality of capacitors in a container sized to fit in existing hard start capacitor space. The capacitors are 4 metallized film capacitors wound in a single cylindrical capacitive element. The container has a common terminal and capacitors value terminals for the plurality of capacitors, which may be connected singly or in combination to provide a selected capacitance. An electronic or other relay connects the selected capacitance in parallel with a motor run capacitor. The hard start capacitor replacement unit is thereby adapted to replace a wide variety of hard start capacitors.Type: ApplicationFiled: June 9, 2014Publication date: September 25, 2014Inventor: Richard W. Stockman
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Patent number: 8830652Abstract: A capacitor having improved tolerance to humidity. The capacitor includes a packaging material and/or a dielectric material comprising a film having a water vapor transmission rate significantly lower than the dielectric films and/or packaging films used in conventional capacitors.Type: GrantFiled: January 8, 2014Date of Patent: September 9, 2014Assignee: Zoll Medical CorporationInventor: Allan Scott Baucom
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Patent number: 8779047Abstract: There is provided a coating composition comprising (A) a thermoplastic non-fluorine-containing polymer, (B) inorganic ferroelectric particles, (C) an affinity-improving agent comprising at least one of a coupling agent, a surfactant and an epoxy group-containing compound, and (D) a solvent, and there is provided a film formed using the coating composition which has highly dielectric property and low dielectric loss, can be made thin, is excellent in winding property (flexibility) and is suitable as a highly dielectric film for a film capacitor.Type: GrantFiled: July 9, 2007Date of Patent: July 15, 2014Assignee: Daikin Industries, Ltd.Inventors: Meiten Koh, Nobuyuki Komatsu, Kouji Yokotani, Miharu Matsumura
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Publication number: 20140111903Abstract: Three-phase electrical can capacitor with three star-connected capacitances in a housing, characterized in that two polymer film capacitor coils (10, 12), which each have a hollow capacitor coil core (14) and are provided on the end sides with in each case one end contact layer (16, 18 and 20, 22), are arranged one above the other in the form of a column in the housing, wherein one (10) of the two polymer film capacitor coils (10, 12) has one individual capacitance and the other (12) of the two polymer film capacitor coils has two individual capacitances, and all of the individual capacitances are equal in size.Type: ApplicationFiled: May 15, 2012Publication date: April 24, 2014Applicant: Frako Kondensatoren-und Anlagenabu GmbHInventor: Hans-Georg Reinbold
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Patent number: 8693165Abstract: A device for generating electrical energy from the heat dissipated by a heat source, comprising: a capacitor comprising two electrodes between which a ferroelectric material is present, said capacitor being arranged so as to be positioned to capture all or part of the heat dissipated by said heat source; a capacitive element a first electrode of which is connected to a first electrode of said capacitor; a recovery circuit interposed between the second electrode of said capacitor and the second electrode of the capacitive element, and able to have the current flowing between said second electrodes pass through it. a mechanism adapted to move the capacitor with respect to the heat source, said mechanism having at least one arm able to move between two positions, the capacitor being closer to the heat source in one of the two positions.Type: GrantFiled: December 20, 2011Date of Patent: April 8, 2014Assignee: STMicroelectronics (Crolles 2) SASInventors: Thomas Skotnicki, Stéphane Monfray
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Patent number: 8654503Abstract: A capacitor having improved tolerance to humidity. The capacitor includes a packaging material and/or a dielectric material comprising a film having a water vapor transmission rate significantly lower than the dielectric films and/or packaging films used in conventional capacitors.Type: GrantFiled: June 29, 2012Date of Patent: February 18, 2014Assignee: Zoll Medical CorporationInventor: Allan Scott Baucom
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Publication number: 20140022697Abstract: A metallized film composed of a dielectric film, a metal thin film layer and a dielectric layer, the metal thin film layer being formed on at least one surface of the dielectric film, the dielectric layer being formed on the metal thin film layer, and the dielectric layer being composed of acrylic acid ester resin as a main component being composed of dimethylol tricyclodecane diacrylate and monoacrylate containing a heterocycleType: ApplicationFiled: May 22, 2012Publication date: January 23, 2014Applicant: PANASONIC CORPORATIONInventor: Yukikazu Ohchi
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Publication number: 20140002954Abstract: A capacitor having improved tolerance to humidity. The capacitor includes a packaging material and/or a dielectric material comprising a film having a water vapor transmission rate significantly lower than the dielectric films and/or packaging films used in conventional capacitors.Type: ApplicationFiled: June 29, 2012Publication date: January 2, 2014Applicant: ZOLL MEDICAL CORPORATIONInventor: Allan Scott Baucom
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Publication number: 20130344419Abstract: The present invention relates to one or more electrode plates, which are installed with current collecting terminals at two or more sides thereof, and joined to an auxiliary conductor made of a material having a conductivity that is higher than that of the electrode plates. Current collecting terminals are installed at two or more sides of the auxiliary conductor, for linking with current collecting terminals installed at two or more sides of the electrode plates, and at least one of linked terminals is used as a general current collecting terminal to output current to an external part or to receive input current from the external part. Finally, insulators installed between the auxiliary conductor and the electrode plates to constitute an electrode unit.Type: ApplicationFiled: August 28, 2013Publication date: December 26, 2013Inventor: Tai-Her YANG
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Patent number: 8593781Abstract: Disclosed is a metalized film capacitor having excellent safety preservation ability and an excellent withstand voltage at high temperatures.Type: GrantFiled: February 4, 2010Date of Patent: November 26, 2013Assignee: Nichicon CorporationInventor: Koji Takagaki
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Publication number: 20130250475Abstract: A capacitor includes a capacitor element that is a wound element or an element other than the wound element, and that includes electrode bodies each of which is in an anode side and a cathode side, and separators that intervenes between the electrode bodies; a sealing member that seals an opening of a case member accommodating the capacitor element; at least one electrode protrusion that protrudes from one of the electrode bodies on an element end-face of the capacitor element, at least one of current collector plate that is connected to the electric protrusion; and at least one terminal member that is disposed in the sealing member, and is superposed on the current collector plate, a side face part of the terminal member being welded to a side face part of the current collector plate.Type: ApplicationFiled: May 9, 2013Publication date: September 26, 2013Applicant: NIPPON CHEMI-CON CORPORATIONInventors: Masayuki Mori, Tatsuo Kubouchi, Akihiro Furusawa