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Class 361/522 - Multiple capacitors


Subclass of Class 361 - Electricity: electrical systems and devices
Definition: Subject matter including two or more liquid electrolytic
No. of patents: 40
Last issue date: 08/25/2009


NumberTitleIssue Date
7580245Capacitor device
A capacitor device has a plurality of capacitors, each including a capacitor element having a positive electrode and a negative electrode in a confronting arrangement through a separator, and a metal case encasing the capacitor element and an electrolyte. The plural...
08/25/2009
7369397Capacitor device
The present invention provides a capacitor device including a plurality of capacitor elements adjacent to each other along an axial direction are electrically connected to each other by fitting between a first terminal of one capacitor element and a second terminal ...
05/06/2008
7352563Capacitor assembly
An integrated capacitor assembly that offers improved performance characteristics in a convenient and space-saving package is provided. More specifically, the capacitor assembly contains a multi-anode stack of at least two electrolytic capacitors and at least one ce...
04/01/2008
7310240Method for increasing stability of system memory through enhanced quality of supply power
An apparatus for buffering power transients in a supply power for expansion cards inserted into expansion slots on a computer motherboard. The apparatus comprises a printed circuit board, a connector on the printed circuit board, and at least one capacitor on the pr...
12/18/2007
7196899Capacitor anode assembly
According the present invention, anode foils are encapsulated in separator material so as to insulate them from the metal housing of an electrolytic capacitor. The present invention also provides for enclosed capacitor configurations for use in stacked capacitor con...
03/27/2007
7180726Self-supporting capacitor structure
A plurality of high capacitance capacitors are coupled to supply or accept large currents. Bus bars are welded to the capacitors to provide improved thermal performance as well as self-supporting rigidity to the geometrical structure formed by the capacitors and the...
02/20/2007
7157671Flat capacitor for an implantable medical device
One aspect provides a capacitor having a first stack of capacitive elements a second stack of capacitive elements, wherein the first and second stacks are enclosed in separate compartments of a capacitor case that electrically isolate the electrolytes of each stack ...
01/02/2007
7050291Integrated ultracapacitor as energy source
An ultracapacitor formed on a semiconductor substrate includes a plurality conductive layers with intervening dielectric layers. These layers form a plurality of capacitors which may be connected in parallel to store a charge for powering an electronic circuit or fo...
05/23/2006
6967829Capacitor interconnect design
Structures for serially connecting at least two capacitors together are described. Serially connecting capacitors together provides device manufactures, such as those selling implantable medical devices, with broad flexibility in terms of both how many capacitors ar...
11/22/2005
6952338Common pole capacitor housing apparatus and method
A housing is provided for connecting two capacitor cells in a series or parallel combination and for providing the two cells as one integral product. ...
10/04/2005
6922326Accumulating element module
An accumulating element module includes a plurality of accumulating elements, each having a positive pole terminal and a negative pole terminal at one end. The accumulating elements are connected together at their other ends by an insulating connecting member made o...
07/26/2005
6627343Electric energy storage device
Disclosed is an electric energy storage device having a large capacity and includes a thin active material layer and a plurality of integrated electrodes. The electric energy storage device comprises at least one electrode group in which a cathode, a sepa...
09/30/2003
6584417Method and directional element for fault direction determination in a capacitance-compensated line
An electrical power system includes a transmission line for transmitting electrical power, series capacitance compensation series-coupled to the transmission line adjacent one end thereof, where the series compensation includes a capacitance having a valu...
06/24/2003
6576524Method of making a prismatic capacitor
A method of making a flat capacitor includes forming at least one recess on an inside surface of a metal foil blank, leaving a surrounding peripheral flange. A coating performing as an electrode of the capacitor is applied to the inside surface of the met...
06/10/2003
6552895Flexible charge storage device
A flexible charge storage device in the form a supercapacitor includes a flexible capacitive element, which is housed within a flexible package. The capacitive element includes a plurality of interleaved sheet electrodes which have an insulator or separat...
04/22/2003
6510041Electrolytic capacitor unit for audio apparatus
A power source of an audio apparatus loaded on a car is a battery with a rated voltage of 12V or more. An electrolytic capacitor unit is utilized as a power source filter in the audio apparatus. As the electrolytic capacitor unit, a given number of alumin...
01/21/2003
6500401Carbon foams and methods of making the same
A method of making carbon foam is described which involves pyrolizing a mixture containing at least one pyrolizable substance and at least one unpyrolizable material and then removing the unpyrolizable material to obtain the carbon foam. Carbon foam made ...
12/31/2002
6466428Ultracapacitor having residual water removed under vacuum
A multilayer cell is provided that comprises two solid, nonporous current collectors, two porous electrodes separating the current collectors, a porous separator between the electrodes and an electrolyte occupying pores in the electrodes and separator. Th...
10/15/2002
6451073Method of making a multi-electrode double layer capacitor having single electrolyte seal and aluminum-impregnated carbon cloth electrodes
A single cell, multi-electrode high performance double layer capacitor includes first and second flat stacks of electrodes adapted to be housed in a closeable two-part capacitor case which includes only a single electrolyte seal. Each electrode stack has ...
09/17/2002
6402793Implantable medical device having flat electrolytic capacitor with cathode/case electrical connections
Flat electrolytic capacitors particularly for use in implantable medical devices having stacked cathode and anode layers particular electrical connections of the capacitor anode and cathode layers with a capacitor connector assembly. Anode terminal means ...
06/11/2002
6364915Method of sealing an ultracapacitor substantially free of water
A method of sealing an ultracapacitor substantially free of water is disclosed. The method includes providing a multilayer cell comprising two solid, non porous current collectors, separated by two porous electrodes with a separator between the two electr...
04/02/2002
6249422Capacitor module for car audio system
A capacitor module capable of forming assembly of capacitors is disclosed. The capacitor is contained into a housing and the housing has a male connector and a female connector formed on the opposite sides thereof. The housings can combine each other by t...
06/19/2001
6239965Electrolytic capacitor and method of producing the same
The present invention provides an electrolytic capacitor having a large capacitance sufficiently close to its design capacitance, and a method of easily producing such an electrolytic capacitor. In this method, a cathode-side conductive polymer layer or a...
05/29/2001
6219221Electrical double layer capacitor having short-circuit function
To reduce a disparity of voltage between each unit electrical double layer capacitor without an electrical loss when a plurality of the unit electrical double layer capacitors are connected in series to provide an electrical double layer capacitor, a swit...
04/17/2001
6201686Electric double layer capacitor
An electric double layer capacitor having electrode terminals 70a, 70'a which are attached to a metallic cover plate 65 in an electrically insulated state wherein each of the electrode terminals 70a, 70'a has an engaging plate 76 formed integrally with a ...
03/13/2001
6072691Electric double layer capacitor and an assembled cell type power source device
An electric double layer capacitor used as a unit capacitor for forming an assembled cell type power source device by connecting a plurality of capacitor elements in series, wherein each of the capacitor elements is formed by impregnating an electrolyte i...
06/06/2000
6059847Method of making a high performance ultracapacitor
A high performance double layer capacitor having an electric double layer formed in the interface between activated carbon and an electrolyte is disclosed. The high performance double layer capacitor includes a pair of aluminum impregnated carbon composit...
05/09/2000
5982609Capacitor
A capacitor includes a cathode having a porous coating including an amorphous non-crystalline oxide of one of ruthenium, iridium, nickel, rhodium, rhenium, cobalt, tungsten, manganese, tantalum, molybdenum, lead, titanium, platinum, palladium, and osmium;...
11/09/1999
5962979Asymmetrical bus capacitors
A capacitor network includes a plurality of capacitors in series. Each capacitor has a preselected capacitance and breakdown voltage. The sum of the breakdown voltages of all the capacitors is at least equal to a desired voltage value. The capacitances of...
10/05/1999
5959830Electric double layer capacitor
A stack type electric double layer capacitor includes a plurality of unit cells, each with a pair of polarizing electrodes facing each other across a porous separator, a pair of current collecting members, and a gasket surrounding the electrodes and curre...
09/28/1999
5922215Method for making anode foil for layered electrolytic capacitor and capacitor made therewith
A method for making anode foil plates for use with layered electrolytic capacitors and capacitors made with such plates. A high purity aluminum foil is provided for generation of anode foil plates. Sheets of the foil are highly etched to provide a very hi...
07/13/1999
5687056Variable voltage, variable capacitance chip capacitor device having lead pins electrically coupled to capacitor subassembly
An electrochemical capacitor chip device (10) includes a plurality of capacitor subassemblies (12, 14, 16, 18, 20, and 22) arranged in stacked configuration. Each stacked capacitor assembly shares a single common electrode (48) from which extends a contac...
11/11/1997
5450279Electric double layer capacitor
An electric double layer capacitor having a rectangular cross-section for an excellent volumetric efficiency and a low internal resistance is disclosed. The capacitor comprises a plurality of sheet-like current collectors in one polarity and in the other ...
09/12/1995
5426561High energy density and high power density ultracapacitors and supercapacitors
Ultracapacitor and supercapacitor designs wherein two discrete metal film current collectors of the prior art, one for each of the cathode and anode, are replaced by a single thin polymer film. The polymer film is typically several microns thick and metal...
06/20/1995
5369547Capacitor
An electrolytic capacitor including a metal container having an inside surface and an outside surface and functioning as a cathode of the capacitor, a porous coating including an oxide of one of ruthenium, iridium, nickel, rhodium, platinum, palladium, an...
11/29/1994
5367431Thin power supply unit
A plurality of flat power supply elements, each having a flat case for serving as an element terminal and an electrode plate arranged in the case in a close contact manner through an insulating layer for serving as another element terminal. An opening for...
11/22/1994
4170812Method of making a dual value capacitor
An auxiliary capacitor is added to a first capacitor formed from two metallized films wound into a cylindrical roll. Once the two metallized films have been wound a sufficient number of layers to form a capacitor having the desired capacitance, the auxili...
10/16/1979
4164006Capacitors with minimum ESR
Correlated electrolytic capacitors having a standard diameter in which each capacitor has a constant foil length providing operation at a standard frequency with an equivalent series resistance not appreciably in excess of the lowest ESR for the standard ...
08/07/1979
4074417Method of sealing electrical housing
An electrical device comprising an electrical body in a container with terminals extending through an open end of the container. The electrical body has receptacles at opposite ends thereof. A positioning means is located at an end of the container opposi...
02/21/1978
 
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