Class 336/207 - With coil turn spacer

Subclass of Class 336 - Inductor devices
Definition: Subject matter wherein means are provided for maintaining
No. of patents: 33
Last issue date: 08/24/2010

Number	Title	Issue Date
7782167	Method to produce a curved coil, in particular a sub-coil of a gradient coil for a magnetic resonance apparatus In a method to produce a curved coil, in particular a sub-coil of a gradient coil for a magnetic resonance apparatus, at least one conductor is wound corresponding to a predetermined pattern on a winding plate, and a winding plate composed of multiple plate elements...	08/24/2010
7154364	Electrical machine An electric machine comprises a core (10) of magnetic material and a first insulating layer (14) of a solid electrically insulating material surrounding the core. A high-voltage winding (17) in the form of an electric conductor is wound around a...	12/26/2006
7088210	Electromagnet having spacer for facilitating cooling and associated cooling method An electromagnet and associated apparatus and method are provided. The electromagnet includes a core and at least one winding disposed circumferentially about the core such that the winding extends at least one revolution around the core. The electromagnet further i...	08/08/2006
7064644	Winding for a transformer or a coil and method for winding A winding for a transformer or a coil having a ribbon electrical conductor and an insulating material layer composed of ribbon insulation material wound jointly to form turns around a winding core. The individual turns of the winding have a predetermined winding ang...	06/20/2006
7061362	Coils for electrical machines A jig (10) is used to form a coil (50) for an electrical machine. A plurality of conductive wires (56), each covered in a heat-curable electrically insulated material, are wound around a bobbin (12). Each succeeding winding in contra-woun...	06/13/2006
6980076	Electrical apparatus with synthetic fiber and binder reinforced cellulose insulation paper An electrical apparatus includes at least one conductor and an insulation paper surrounding at least part of the conductor. The insulation paper includes a wood pulp fiber, a synthetic fiber, and a binder material. The synthetic fiber is present at between approxima...	12/27/2005
6933824	Polymer sheet core and coil insulation for transformers A transformer includes a core defining a core window, a first coil surrounding a portion of the core and including a portion located within the core window, a second coil surrounding a portion of the core and including a portion located within the core window, and a...	08/23/2005
6709615	Method of manufacturing a comb for winding coils of a disk wound transformer A method of manufacturing an improved comb for a disk wound transformer. The method comprises the steps of providing a web of cellulose material; removing a portion of the cellulose material to create a plurality of longitudinal slits along the length of the web, wh...	03/23/2004
6594885	Method of making a coil A method of assembling a coil includes forming a ferrite core having a top end, a bottom end, an inner opening extending from the top end to the bottom end, a cylindrical outer surface, and a step portion formed near the bottom end, the step portion exten...	07/22/2003
6433664	Coil A conductor is wound around a magnetic core to form a plurality of conductor turns. The conductor turns are spaced from one another by a substantially equal spacing d. An insulating layer is disposed between the conductor turns and the magnetic core. An i...	08/13/2002
6340810	Device with induction heating roller including projecting portions at both ends and a central portion of a bobbin for maintaining a gap between an inner surface of the heating roller and a coil on the bobbin A device configured to be heated to a temperature sufficient to fuse an image forming substance to a sheet includes a hollow roller made of a conductive material and a coil arranged in a hollow portion of the hollow roller. The coil is configured to carry...	01/22/2002
6255632	Device with induction heating roller with a projection between coil windings A device configured to be heated to a temperature sufficient to fuse an image forming substance to a sheet includes a hollow roller made of a conductive material and a coil arranged in a hollow portion of the hollow roller. The coil is configured to carry...	07/03/2001
5929737	Controllable inductor A controllable inductor including at least one tubular core (10), a main winding (5) surrounding the core and a control winding (11) running substantially axially through said core and returning substantially axially outside thereof between said core and ...	07/27/1999
5598137	Coil for high-voltage transformer In order to achieve improved mechanical properties for a coil (1), it is proposed to structure a first electroconductive winding (3) of the coil (1) as a coil former. This coil has a first connecting element (15), to which a second connecting element (17)...	01/28/1997
5225802	Low loss spiders A low loss composite spider arrangement for use in inductive electrical epment and an air core reactor incorporating the same in which a non-conductive or a conductive material having very low relative permeability and relatively high resistivity is used...	07/06/1993
5167063	Method of making a transformer winding in the form of a disc winding provided with axial channels A winding for a transformer or choke coil wherein successive turns are arranged onto each other in radial direction. To provide for optimal cooling conditions axially extending cooling channels are provided by placing spacers between the successive radial...	12/01/1992
4848567	Heating device having a removable carrier A heating device, such as a heating coil for use in apparatus to be heated, has a removable flexible strip carrier which enables the coil, already supported on ceramic insulators and carried by brackets, to be readily installed in the apparatus. The dispo...	07/18/1989
4770355	Methods for manufacturing heating coil assembly In a method of manufacturing a heating coil assembly for electromagnetic induction cooking heater in which a coil supporting base and a flat shaped coil winding frame are mounted on the spindle of a coil winding machine in such a manner as to form a coil ...	09/13/1988
4752999	Spherical transformer A spherical transformer and process for forming same is set forth. Hollow, hemispherical elements are rotated to enable a cooperating cutting tool to impart a helical impression therein. An adhesive is sprayed into the interiors of both hemispheres and th...	06/28/1988
4633174	Crossed-coil rotating-magnet measuring instrument In a crossed-coil rotating-magnet measuring instrument having an approximately cylindrical core developed as winding form, a first and second coil are wound crossed one above the other. The second coil is necessarily arranged over the first coil in the re...	12/30/1986
4622679	Coreless induction furnace In a vacuum induction furnace provided with an induction coil, surrounding a furnace crucible, the coil includes a plurality of intermediate layers inserted between the individual windings, and spacer elements also inserted between the individual windings...	11/11/1986
4538131	Air-core choke coil An axially symmetric air-core choke coil for high voltage applications. The coil includes a plurality of radially concentric, helically wound layers of windings. Non-insulated wire cable is used to produce each winding. Therefore, adjacent turns of each w...	08/27/1985
4477792	Modular power system reactor The present invention discloses a modular reactor that increases the inductance per axial length by winding a conductor circumferentially about a central axis in a manner which results in radially extending columns which are sequentially wound in alternat...	10/16/1984
4462017	High voltage air core reactor A high voltage reactor includes a plurality of angularly spaced columns for supporting the layers of a disk winding in vertically spaced relation. Each of the columns is comprised of a monolithic casting of an insulative material and pairs of angularly sp...	07/24/1984
4429294	Coil form for electric windings A coil form for a transformer having air-cooled electric windings. Plug-in frames which can be adjusted in width and/or height are provided at the ends of the device. Profiled bars and additional supporting members, both of which can be of any desired len...	01/31/1984
4419645	Multiple position half-turn inductor A one-half turn inductor is formed in a mold having a series of spaced ribs forming grooves therebetween, a U-shaped coil has its bight portion positioned in a selected one of the grooves corresponding to the inductance value of the inductor with the legs...	12/06/1983
4308512	Modular air core coil inductance assembly The present invention preferably comprises a modular air core coil inductance assembly which is comprised of a plurality of spiral windings which are magnetically coupled to each other and disposed in planes which are orthogonal to the longitudinal axis o...	12/29/1981
4303017	Long stator linear motor without iron In winding the stator of a long stator linear motor without iron, the conductors of the traveling wave winding in the stator are designed as round jacketed lines which are fixed to a non-magnetic winding support by cross-bars and retained in place by hard...	12/01/1981
4297606	Method of bracing end turns of an electric machine by means of a binding band; and device used therein Method of bracing winding end turns of an electric machine includes wrapping a first binding tape transversely around a pair of winding bars forming the end turns and disposed spaced from and substantially parallel to one another, wrapping a second bindin...	10/27/1981
4270112	Normal conductive or superconductive magnet coil An improved normal or superconductive field coil constructed so that individual coils are both axially and radially stable. The individual coils are provided with a holding cylinder at each end with the conductor ends being fixed to the holding cylinder. ...	05/26/1981
4236139	Coil assembly A coil assembly is formed by an elastic metal wire helical extension spring coil having convolutions resiliently urged towards each other and held apart by spacers pinched between the convolutions and held there by the spring-back of the convolutions. The...	11/25/1980
4135294	Winding a multi-pancake magnet from a continuous conductor A magnet winding method is provided wherein the individual pancakes are fabricated such that adjacent pancakes have oppositely spiraled grooves that begin and end at the same relative locations on the pancakes. Holes through the pancakes are provided at e...	01/23/1979
4063207	Coil structure A cylindrical coil form, for magnetic coupling with an irradiated nuclear magnetic resonance gas sample, is provided with peripheral and longitudinal grooves. The peripheral grooves are not helical in form, but are perpendicular to the axis of the coil fo...	12/13/1977

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Class 336/207 - With coil turn spacer