AU512850B2

AU512850B2 – Variable flux transformer
– Google Patents

AU512850B2 – Variable flux transformer
– Google Patents
Variable flux transformer

Info

Publication number
AU512850B2

AU512850B2
AU28932/77A
AU2893277A
AU512850B2
AU 512850 B2
AU512850 B2
AU 512850B2
AU 28932/77 A
AU28932/77 A
AU 28932/77A
AU 2893277 A
AU2893277 A
AU 2893277A
AU 512850 B2
AU512850 B2
AU 512850B2
Authority
AU
Australia
Prior art keywords
flux transformer
variable flux
variable
transformer
flux
Prior art date
1976-10-12
Legal status (The legal status 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 status listed.)

Expired

Application number
AU28932/77A
Other versions

AU2893277A
(en

Inventor
H. A Donahey
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

BOUSHEY HA

Original Assignee
BOUSHEY HA
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.)
1976-10-12
Filing date
1977-09-20
Publication date
1980-10-30

1977-09-20
Application filed by BOUSHEY HA
filed
Critical
BOUSHEY HA

1979-03-29
Publication of AU2893277A
publication
Critical
patent/AU2893277A/en

1980-10-30
Application granted
granted
Critical

1980-10-30
Publication of AU512850B2
publication
Critical
patent/AU512850B2/en

Status
Expired
legal-status
Critical
Current

Links

Espacenet

Global Dossier

Discuss

230000004907
flux
Effects

0.000
title
1

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

AU28932/77A
1976-10-12
1977-09-20
Variable flux transformer

Expired

AU512850B2
(en)

Applications Claiming Priority (2)

Application Number
Priority Date
Filing Date
Title

USUS731,133

1976-10-12

US05/731,133

US4112404A
(en)

1976-10-12
1976-10-12
Variable flux transformer

Publications (2)

Publication Number
Publication Date

AU2893277A

AU2893277A
(en)

1979-03-29

AU512850B2
true

AU512850B2
(en)

1980-10-30

Family
ID=24938205
Family Applications (1)

Application Number
Title
Priority Date
Filing Date

AU28932/77A
Expired

AU512850B2
(en)

1976-10-12
1977-09-20
Variable flux transformer

Country Status (7)

Country
Link

US
(1)

US4112404A
(en)

JP
(1)

JPS5347918A
(en)

AU
(1)

AU512850B2
(en)

CA
(1)

CA1076667A
(en)

DE
(1)

DE2745376A1
(en)

FR
(1)

FR2368133A1
(en)

GB
(1)

GB1586900A
(en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

FR2434512A1
(en)

*

1978-08-23
1980-03-21
Rizh Elektromashinostroitelny
Electric motor thyristor control device – has rotary armature near three-shank core, whose axis is displaced from core symmetry axis

DE2837454C2
(en)

*

1978-08-28
1985-03-28
Rižskij elektromašinostroitel’nyj zavod, Riga

Coil arrangement with variable inductance

US4540931A
(en)

*

1983-06-24
1985-09-10
Regulation Technology, Inc.
Variable transformer and voltage control system

GB8607763D0
(en)

*

1986-03-27
1986-04-30
Spirax Sarco Ltd
Rotation sensor

US4761724A
(en)

*

1987-06-29
1988-08-02
The United States As Represented By The United States Department Of Energy
Transformer coupling for transmitting direct current through a barrier

DE4102102C2
(en)

*

1991-01-25
1995-09-07
Leybold Ag

Magnet arrangement with at least two permanent magnets and their use

US5155676A
(en)

*

1991-11-01
1992-10-13
International Business Machines Corporation
Gapped/ungapped magnetic core

TW200814105A
(en)

*

2007-10-25
2008-03-16
Greatchip Technology Co Ltd
Manufacture adjustable leakage inductance transformer

GB201811128D0
(en)

*

2018-07-06
2018-08-22
Rolls Royce Plc
Current controlling device

Family Cites Families (17)

* Cited by examiner, † Cited by third party

Publication number
Priority date
Publication date
Assignee
Title

DE200940C
(en)

*

GB190809838A
(en)

*

1908-05-06
1908-10-01
Carl Meyer
An Improved Regulatable Inductive Resistance.

FR426100A
(en)

*

1910-04-22
1911-06-27
Giuseppe Del Fu Pietro Fucci

Conjugate variable reluctance voltage converter

DE297042C
(en)

*

1913-03-05

US1227844A
(en)

*

1915-07-03
1917-05-29
Cutler Hammer Mfg Co
Variable-voltage transformer.

US1756875A
(en)

*

1926-03-25
1930-04-29
Gen Electric
Regulating system

FR777638A
(en)

*

1933-11-16
1935-02-25

Static transformer with adjustable secondary voltage

US2136798A
(en)

*

1937-01-08
1938-11-15
Union Switch & Signal Co
Transformer

FR907919A
(en)

*

1944-11-21
1946-03-26
Ile D Etudes Electromecaniques

Magnetic step-down booster

US2460922A
(en)

*

1947-12-22
1949-02-08
Nat Cylinder Gas Co
Magnetic core with variable air gap

DE860233C
(en)

*

1949-08-16
1952-12-18
Frako Kondensator Apparate

Transformer with adjustable secondary voltage

CH320516A
(en)

*

1953-12-15
1957-03-31
Leon Dipl Ing Littmann

transformer

US3152311A
(en)

*

1957-11-08
1964-10-06
L R Power Corp
Variable voltage transformer

US3260975A
(en)

*

1964-04-08
1966-07-12
Carl G Howard
Adjustable voltage transformer

DE1222976B
(en)

*

1964-05-20
1966-08-18
Walter Wilhelms

Electronic switch

DE1237216B
(en)

*

1964-06-22
1967-03-23
Josef Pfanzelt

Transformer for contactless secondary control and switching

US3716719A
(en)

*

1971-06-07
1973-02-13
Aerco Corp
Modulated output transformers

1976

1976-10-12
US
US05/731,133
patent/US4112404A/en
not_active
Expired – Lifetime

1977

1977-09-15
CA
CA286,779A
patent/CA1076667A/en
not_active
Expired

1977-09-16
GB
GB38811/77A
patent/GB1586900A/en
not_active
Expired

1977-09-20
AU
AU28932/77A
patent/AU512850B2/en
not_active
Expired

1977-10-08
DE
DE19772745376
patent/DE2745376A1/en
not_active
Withdrawn

1977-10-11
FR
FR7730598A
patent/FR2368133A1/en
not_active
Withdrawn

1977-10-12
JP
JP12158777A
patent/JPS5347918A/en
active
Pending

Also Published As

Publication number
Publication date

DE2745376A1
(en)

1978-04-13

AU2893277A
(en)

1979-03-29

GB1586900A
(en)

1981-03-25

US4112404A
(en)

1978-09-05

CA1076667A
(en)

1980-04-29

JPS5347918A
(en)

1978-04-28

FR2368133A1
(en)

1978-05-12

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