WO2001075913A3 - A variable induction device - Google Patents

A variable induction device Download PDF

Info

Publication number
WO2001075913A3
WO2001075913A3 PCT/EP2001/004405 EP0104405W WO0175913A3 WO 2001075913 A3 WO2001075913 A3 WO 2001075913A3 EP 0104405 W EP0104405 W EP 0104405W WO 0175913 A3 WO0175913 A3 WO 0175913A3
Authority
WO
WIPO (PCT)
Prior art keywords
component
induction device
variable induction
magnetic permeability
core
Prior art date
Application number
PCT/EP2001/004405
Other languages
French (fr)
Other versions
WO2001075913A2 (en
Inventor
Mikael Dahlgren
Udo Fromm
Gunnar Russberg
Christian Sasse
Svante Soederholm
Mats Dahlund
Original Assignee
Abb Ab
Mikael Dahlgren
Udo Fromm
Gunnar Russberg
Christian Sasse
Svante Soederholm
Mats Dahlund
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.)
Filing date
Publication date
Application filed by Abb Ab, Mikael Dahlgren, Udo Fromm, Gunnar Russberg, Christian Sasse, Svante Soederholm, Mats Dahlund filed Critical Abb Ab
Priority to AU2001263865A priority Critical patent/AU2001263865A1/en
Publication of WO2001075913A2 publication Critical patent/WO2001075913A2/en
Publication of WO2001075913A3 publication Critical patent/WO2001075913A3/en

Links

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
    • H01F29/08—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators
    • H01F29/10—Variable transformers or inductances not covered by group H01F21/00 with core, coil, winding, or shield movable to offset variation of voltage or phase shift, e.g. induction regulators having movable part of magnetic circuit

Abstract

An induction device comprises a core (1) of magnetically permeable material, and is characterized in that the core comprises at least one component (3, 4, 5) comprising finely divided magnetic particles in a matrix of a dielectric material, and the inductance of the device is variable by changing the effective magnetic permeability of the at least one component. This can be achieved by replacing or moving the at least one component, which may be formed by uniting elongate members, some of which have a different magnetic permeability from others.
PCT/EP2001/004405 2000-04-03 2001-04-02 A variable induction device WO2001075913A2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU2001263865A AU2001263865A1 (en) 2000-04-03 2001-04-02 A variable induction device

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0008158A GB0008158D0 (en) 2000-04-03 2000-04-03 A variable induction device
GB0008158.8 2000-04-03

Publications (2)

Publication Number Publication Date
WO2001075913A2 WO2001075913A2 (en) 2001-10-11
WO2001075913A3 true WO2001075913A3 (en) 2002-04-04

Family

ID=9889092

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2001/004405 WO2001075913A2 (en) 2000-04-03 2001-04-02 A variable induction device

Country Status (3)

Country Link
AU (1) AU2001263865A1 (en)
GB (1) GB0008158D0 (en)
WO (1) WO2001075913A2 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493388A (en) * 1946-08-17 1950-01-03 Nat Cylinder Gas Co Magnetic control system
US3518595A (en) * 1968-10-21 1970-06-30 Wyle Laboratories Variable inductor
US5748013A (en) * 1995-10-24 1998-05-05 Thomson-Csf Combined magnetic core

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2493388A (en) * 1946-08-17 1950-01-03 Nat Cylinder Gas Co Magnetic control system
US3518595A (en) * 1968-10-21 1970-06-30 Wyle Laboratories Variable inductor
US5748013A (en) * 1995-10-24 1998-05-05 Thomson-Csf Combined magnetic core

Also Published As

Publication number Publication date
WO2001075913A2 (en) 2001-10-11
AU2001263865A1 (en) 2001-10-15
GB0008158D0 (en) 2000-05-24

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