BE748744A - Transformateur electrique - Google Patents

Transformateur electrique

Info

Publication number: BE748744A
Authority: BE; Belgium
Prior art keywords: electric transformer; transformer; electric
Prior art date: 1969-04-09

Application number

Other languages

English (en)

French (fr)

Inventor

C J Bell

H R Moore

Original Assignee

Westinghouse Electric Corp

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.)

1969-04-09

Filing date

1970-04-09

Publication date

1970-09-16

1970-04-09 Application filed by Westinghouse Electric Corp filed Critical Westinghouse Electric Corp

1970-09-16 Publication of BE748744A publication Critical patent/BE748744A/xx

Classifications

- 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
- H01F27/34—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
- H01F27/366—Electric or magnetic shields or screens made of ferromagnetic material

Landscapes

Engineering & Computer Science (AREA)
Power Engineering (AREA)
Regulation Of General Use Transformers (AREA)
Coils Or Transformers For Communication (AREA)

BE748744D 1969-04-09 1970-04-09 Transformateur electrique BE748744A (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US81463369A	1969-04-09	1969-04-09

Publications (1)

Publication Number	Publication Date
BE748744A true BE748744A (fr)	1970-09-16

Family

ID=25215593

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE748744D BE748744A (fr)	1969-04-09	1970-04-09	Transformateur electrique

Country Status (4)

Country	Link
US (1)	US3538472A (xx)
BE (1)	BE748744A (xx)
ES (1)	ES377264A1 (xx)
FR (1)	FR2041148B1 (xx)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FR2266273B1 (xx) *	1974-03-29	1976-12-17	Jeumont Schneider
FR2419573A1 (fr) *	1978-03-09	1979-10-05	Jeumont Schneider	Perfectionnement aux flasques de serrage d'un noyau magnetique de transformateur de puissance
DE3104270A1 (de) *	1981-02-07	1982-09-02	Vacuumschmelze Gmbh, 6450 Hanau	Funkentstoeranordnung und verfahren zur herstellung
US4656452A (en) *	1985-11-08	1987-04-07	Rte Corporation	Transformer telephone influence tractor core shunt
DE10211304A1 (de) *	2001-03-13	2003-01-09	Schulz Uwe	Magnetfeldschirmung
US20100245015A1 (en) *	2009-03-31	2010-09-30	Shang S R	Hot-forming fabrication method and product of magnetic component

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1610867A (en) *	1923-09-18	1926-12-14	Gen Electric	Transformer
US1763150A (en) *	1927-07-15	1930-06-10	Westinghouse Electric & Mfg Co	Reactor system
US2370045A (en) *	1942-10-22	1945-02-20	Westinghouse Electric & Mfg Co	Shielding transformer structures
GB695700A (en) *	1951-09-06	1953-08-12	Westinghouse Electric Int Co	Improvements in or relating to bonded magnetic cores and processes for producing them
DE961190C (de) *	1954-08-19	1957-04-04	Westinghouse Electric Corp	Transformator mit lamelliertem, die Wicklungen tragendem Eisenkern und zusaetzlichenlamellierten Hilfskernen
FR1356806A (fr) *	1963-05-17	1964-03-27	Frako Kondensator Apparate	Noyau magnétique en bande enroulée, notamment pour les transformateurs et procédé pour la fabrication d'un tel noyau
US3281745A (en) *	1963-09-10	1966-10-25	Westinghouse Electric Corp	Corona and magnetic shielding structure for electrical transformers
GB1115862A (en) *	1964-03-04	1968-05-29	English Electric Co Ltd	Improvements in or relating to inductive apparatus
FR1409412A (fr) *	1964-07-16	1965-08-27	Comp Generale Electricite	Perfectionnements aux bobines de réactance
FR1459024A (fr) *	1964-08-10	1966-04-29		Montage de transformateurs
US3464041A (en) *	1968-03-06	1969-08-26	Allis Chalmers Mfg Co	Electrical transformer having leakage flux shield

1969
- 1969-04-09 US US814633A patent/US3538472A/en not_active Expired - Lifetime
1970
- 1970-03-07 ES ES377264A patent/ES377264A1/es not_active Expired
- 1970-04-08 FR FR7012704A patent/FR2041148B1/fr not_active Expired
- 1970-04-09 BE BE748744D patent/BE748744A/xx not_active IP Right Cessation

Also Published As

Publication number	Publication date
US3538472A (en)	1970-11-03
FR2041148A1 (xx)	1971-01-29
FR2041148B1 (xx)	1973-10-19
ES377264A1 (es)	1972-06-01

Publication	Publication Date	Title
BE746795A (fr)	1970-08-17	Fiche electrique
BE748687A (fr)	1970-09-06	Connecteurs electrique
FI56465B (fi)	1979-09-28	Elektriskt uppvaermbar glasruta
BE748130A (fr)	1970-09-28	Cosse electrique
BE757314A (fr)	1971-04-09	Accumulateur electrique
BE776004A (fr)	1972-05-30	Transformateur electrique
BE774528A (fr)	1972-04-27	Manchon electrique
BE745120A (fr)	1970-07-01	Source electrique miniaturisee
BE759050A (fr)	1971-05-17	Bobine electrique
FR2073526A5 (fr)	1971-10-01	Lampe electrique
BE761451A (fr)	1971-07-12	Commutateur electrique
BE809629A (fr)	1974-07-11	Transformateur electrique
BE751043A (fr)	1970-11-03	Cosse electrique
BR7019685D0 (pt)	1973-12-26	Circuito eletrico
CH521005A (de)	1972-03-31	Starkstromkabel
BE748244A (fr)	1970-08-31	Accumulateur electrique
BE758963A (fr)	1971-04-16	Grille-pain electrique
BE749547A (fr)	1970-10-01	Contact electrique
BE748744A (fr)	1970-09-16	Transformateur electrique
BE749017A (fr)	1970-09-16	Commutateur electrique
BE754873A (fr)	1971-01-18	Conducteur electrique decoratif
BE748745A (fr)	1970-09-16	Transformateur electrique
BE746530A (fr)	1970-07-31	Commutateur electrique
BE758666A (fr)	1971-04-16	Lampe electrique
BE760731A (fr)	1971-06-23	Transformateur electrique

Legal Events

Date	Code	Title	Description
1989-10-31	RE	Patent lapsed	Owner name: WESTINGHOUSE ELECTRIC CORP. Effective date: 19890430

Date

Code

Title

Description

1989-10-31

Patent lapsed

Owner name: WESTINGHOUSE ELECTRIC CORP.

Effective date: 19890430