FR2041149B1 - - Google Patents
Info
- Publication number
- FR2041149B1 FR2041149B1 FR707012705A FR7012705A FR2041149B1 FR 2041149 B1 FR2041149 B1 FR 2041149B1 FR 707012705 A FR707012705 A FR 707012705A FR 7012705 A FR7012705 A FR 7012705A FR 2041149 B1 FR2041149 B1 FR 2041149B1
- Authority
- FR
- France
- 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
Links
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)
- Insulating Of Coils (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US81463769A | 1969-04-09 | 1969-04-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2041149A1 FR2041149A1 (fr) | 1971-01-29 |
FR2041149B1 true FR2041149B1 (fr) | 1973-08-10 |
Family
ID=25215599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR707012705A Expired FR2041149B1 (fr) | 1969-04-09 | 1970-04-08 |
Country Status (4)
Country | Link |
---|---|
US (1) | US3534311A (fr) |
BE (1) | BE748745A (fr) |
ES (1) | ES377608A1 (fr) |
FR (1) | FR2041149B1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3967226A (en) * | 1975-06-10 | 1976-06-29 | Westinghouse Electric Corporation | Electrical inductive apparatus having magnetic shielding cores and a gapped main core structure |
US4625573A (en) * | 1985-05-23 | 1986-12-02 | Phillips Petroleum Company | Magnetic shielding and magnetically shielded borehole core drilling |
ITVI20060203A1 (it) * | 2006-07-03 | 2008-01-04 | S E A Societa Elettromeccanica | Reattore di potenza per il trasferimento di energia |
US20100245015A1 (en) * | 2009-03-31 | 2010-09-30 | Shang S R | Hot-forming fabrication method and product of magnetic component |
Family Cites Families (8)
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 |
FR1303474A (fr) * | 1961-05-18 | 1962-09-14 | Thomson Houston Comp Francaise | Perfectionnements aux transformateurs |
US3255512A (en) * | 1962-08-17 | 1966-06-14 | Trident Engineering Associates | Molding a ferromagnetic casing upon an electrical component |
US3281745A (en) * | 1963-09-10 | 1966-10-25 | Westinghouse Electric Corp | Corona and magnetic shielding structure for electrical transformers |
FR1419608A (fr) * | 1964-04-25 | 1965-12-03 | Westinghouse Electric Corp | Montage de support de bobine électrique et de noyau ferromagnétique de transformateurs du type cuirassé |
US3464041A (en) * | 1968-03-06 | 1969-08-26 | Allis Chalmers Mfg Co | Electrical transformer having leakage flux shield |
-
1969
- 1969-04-09 US US814637A patent/US3534311A/en not_active Expired - Lifetime
-
1970
- 1970-03-17 ES ES377608A patent/ES377608A1/es not_active Expired
- 1970-04-08 FR FR707012705A patent/FR2041149B1/fr not_active Expired
- 1970-04-09 BE BE748745D patent/BE748745A/fr not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2041149A1 (fr) | 1971-01-29 |
BE748745A (fr) | 1970-09-16 |
US3534311A (en) | 1970-10-13 |
ES377608A1 (es) | 1972-07-01 |