IT1033297B - ELECTRIC TRANSFORMER WITH CORE - Google Patents

ELECTRIC TRANSFORMER WITH CORE

Info

Publication number: IT1033297B
Authority: IT; Italy
Prior art keywords: core; electric transformer; transformer; electric
Prior art date: 1974-03-01

Application number

IT7520774A

Other languages

Italian (it)

Original Assignee

Siemens Ag

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1974-03-01

Filing date

1975-02-28

Publication date

1979-07-10

1975-02-28 Application filed by Siemens Ag filed Critical Siemens Ag

1979-07-10 Application granted granted Critical

1979-07-10 Publication of IT1033297B publication Critical patent/IT1033297B/en

Classifications

- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H01F27/363—Electric or magnetic shields or screens made of electrically conductive material
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F17/043—Fixed inductances of the signal type with magnetic core with two, usually identical or nearly identical parts enclosing completely the coil (pot cores)
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F19/00—Fixed transformers or mutual inductances of the signal type
- H01F19/04—Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
- H01F19/06—Broad-band transformers, e.g. suitable for handling frequencies well down into the audio range
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/02—Casings
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/255—Magnetic cores made from particles
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/32—Insulating of coils, windings, or parts thereof
- H01F27/327—Encapsulating or impregnating
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/34—Special means for preventing or reducing unwanted electric or magnetic effects, e.g. no-load losses, reactive currents, harmonics, oscillations, leakage fields
- H01F27/36—Electric or magnetic shields or screens
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/40—Structural association with built-in electric component, e.g. fuse
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F30/00—Fixed transformers not covered by group H01F19/00
- H01F30/06—Fixed transformers not covered by group H01F19/00 characterised by the structure
- H01F30/10—Single-phase transformers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2809—Printed windings on stacked layers
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2804—Printed windings
- H01F2027/2819—Planar transformers with printed windings, e.g. surrounded by two cores and to be mounted on printed circuit

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Microelectronics & Electronic Packaging (AREA)
Multimedia (AREA)
Coils Or Transformers For Communication (AREA)

IT7520774A 1974-03-01 1975-02-28 ELECTRIC TRANSFORMER WITH CORE IT1033297B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2409881A DE2409881C3 (en)	1974-03-01	1974-03-01	Pot core transformer

Publications (1)

Publication Number	Publication Date
IT1033297B true IT1033297B (en)	1979-07-10

Family

ID=5908857

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
IT7520774A IT1033297B (en)	1974-03-01	1975-02-28	ELECTRIC TRANSFORMER WITH CORE

Country Status (6)

Country	Link
JP (1)	JPS6031090B2 (en)
DE (1)	DE2409881C3 (en)
FR (1)	FR2262857A1 (en)
IT (1)	IT1033297B (en)
NL (1)	NL7502451A (en)
SE (1)	SE401418B (en)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4517540A (en) *	1977-05-13	1985-05-14	Mcdougal John A	Spiral windings
CH642477A5 (en) *	1979-04-20	1984-04-13	Landis & Gyr Ag	MESSWANDLER FOR POTENTIAL FREE MEASURING currents or voltages.
JPS615779Y2 (en) *	1979-09-25	1986-02-21
US4547961A (en) *	1980-11-14	1985-10-22	Analog Devices, Incorporated	Method of manufacture of miniaturized transformer
JPH058658Y2 (en) *	1984-12-03	1993-03-04
DE3534006A1 (en) *	1985-09-24	1987-03-26	Siemens Ag	Pulse transformer
FR2605453A1 (en) *	1986-10-15	1988-04-22	Dassault Electronique	HIGH FREQUENCY TRANSFORMER WITH PRINTED CIRCUIT WINDING, PARTICULARLY FOR VERY HIGH VOLTAGE SUPPLY
US5184103A (en) *	1987-05-15	1993-02-02	Bull, S.A.	High coupling transformer adapted to a chopping supply circuit
DE3721759A1 (en) *	1987-07-01	1989-01-12	Ceag Licht & Strom	Transformer fitted on a printed circuit board
US4864486A (en) *	1988-07-29	1989-09-05	International Business Machines Corporation	Plank and frame transformer
JPH0256407U (en) *	1988-10-18	1990-04-24
US5126971A (en) *	1989-12-22	1992-06-30	Magnex Corporation	Thin film magnetic core memory and method of making same
GB2252208B (en) *	1991-01-24	1995-05-03	Burr Brown Corp	Hybrid integrated circuit planar transformer
EP0608127A1 (en) *	1993-01-22	1994-07-27	AT&T Corp.	Insulation system for magnetic windings having stacked planar conductors
DE4340928A1 (en) *	1993-12-01	1995-06-08	Ant Nachrichtentech	Shielded transformer and use
WO1996042095A1 (en) *	1995-06-13	1996-12-27	Nihon Shingo Kabushiki Kaisha	Flat transformer
WO1997001177A1 (en) *	1995-06-22	1997-01-09	Vogt Electronic Ag	Selv-generating transformer for supply switches
JPH09213530A (en) *	1996-01-30	1997-08-15	Alps Electric Co Ltd	Plane transformer
FI962803A0 (en) *	1996-07-10	1996-07-10	Nokia Telecommunications Oy	Planartransformator
US6252487B1 (en) *	1997-11-04	2001-06-26	Philips Electronics North America Corporation	Planar magnetic component with transverse winding pattern
TW402725B (en) *	1998-01-06	2000-08-21	Alps Electric Co Ltd	Core for use in inductive element, transformer and inductor
DE19912634B4 (en) *	1999-03-20	2008-11-27	Knick Elektronische Messgeräte GmbH & Co. KG	Voltage transformers in planar technology
US6198374B1 (en)	1999-04-01	2001-03-06	Midcom, Inc.	Multi-layer transformer apparatus and method
EP2150964B1 (en)	2007-04-26	2012-11-28	Philips Intellectual Property & Standards GmbH	Planar transformer with boards
DE102010015411A1 (en) *	2010-04-19	2011-10-20	SUMIDA Components & Modules GmbH	Inductive component with magnetic core with at least partially adapted to the contour of a winding shape
TWM411643U (en) *	2011-01-17	2011-09-11	Yujing Technology Co Ltd	Ultra-high power transformer
JP6395166B1 (en)	2017-07-10	2018-09-26	三菱電機株式会社	Power converter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS458507Y1 (en) *	1967-04-21	1970-04-22

1974
- 1974-03-01 DE DE2409881A patent/DE2409881C3/en not_active Expired
1975
- 1975-02-27 SE SE7502222A patent/SE401418B/en unknown
- 1975-02-28 FR FR7506300A patent/FR2262857A1/en active Granted
- 1975-02-28 IT IT7520774A patent/IT1033297B/en active
- 1975-02-28 NL NL7502451A patent/NL7502451A/en not_active Application Discontinuation
- 1975-02-28 JP JP50024927A patent/JPS6031090B2/en not_active Expired

Also Published As

Publication number	Publication date
FR2262857A1 (en)	1975-09-26
DE2409881C3 (en)	1978-12-21
JPS6031090B2 (en)	1985-07-20
DE2409881B2 (en)	1978-04-27
FR2262857B1 (en)	1979-07-27
JPS50121738A (en)	1975-09-23
DE2409881A1 (en)	1975-09-04
NL7502451A (en)	1975-09-03
SE401418B (en)	1978-05-02
SE7502222L (en)	1975-09-02

Publication	Publication Date	Title
IT1033297B (en)	1979-07-10	ELECTRIC TRANSFORMER WITH CORE
AR210275A1 (en)	1977-07-15	ELECTRIC TRANSFORMER
IT1060691B (en)	1982-08-20	ELECTRIC CONNECTROE
SE7512866L (en)	1977-05-15	ELECTRIC NUTSTRACTOR
IT1067816B (en)	1985-03-21	ELECTRIC BALLAST CORE
FR2323214A1 (en)	1977-04-01	ELECTRIC TRANSFORMER
BR7600746A (en)	1976-08-31	NON-FIBROSANT ELECTRIC
IT1048615B (en)	1980-12-20	OPENABLE ELECTRIC COIL
IT1030431B (en)	1979-03-30	ELECTRICAL CONNECTION
FI50460C (en)	1976-03-10	Pipe-insulated current transformer with jacket core
SE7505894L (en)	1976-09-21	ELECTRIC VERMEFLEKT
MX143060A (en)	1981-03-06	IMPROVEMENTS IN ELECTRIC TRANSFORMER
IT1011323B (en)	1977-01-20	ELECTRIC TRANSFORMER
IT1049937B (en)	1981-02-10	ELECTRIC MAGNETIC DEVICES
SE394920B (en)	1977-07-18	WINDING COUPLER
SE403538B (en)	1978-08-21	ELECTRIC POWER
SE7512432L (en)	1977-05-07	WINDING COUPLER
SE7602369L (en)	1976-12-01	POWER TRANSFORMER
SE7601790L (en)	1976-08-19	POWER TRANSFORMER
IT1024155B (en)	1978-06-20	SELF-COOLED ELECTRIC MOTOVARIATOR
NO138580C (en)	1978-09-27	SHEET CORE VIEW FOR TRANSFORMERS
AT344281B (en)	1978-07-10	INVERTER TRANSFORMER
SE410914B (en)	1979-11-12	THE TRANSFORMERS
SE403000B (en)	1978-07-24	HIGH VOLTAGE TRANSFORMER
TR18943A (en)	1977-12-20	ELECTRIC CONNECTION BOX