GB657851A - Improvements in and relating to clamping means for laminated cores of electric induction apparatus - Google Patents
Improvements in and relating to clamping means for laminated cores of electric induction apparatusInfo
- Publication number
- GB657851A GB657851A GB6587/49A GB658749A GB657851A GB 657851 A GB657851 A GB 657851A GB 6587/49 A GB6587/49 A GB 6587/49A GB 658749 A GB658749 A GB 658749A GB 657851 A GB657851 A GB 657851A
- Authority
- GB
- United Kingdom
- Prior art keywords
- core
- transformer
- clamped
- pair
- sheet metal
- Prior art date
- 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
- H01F27/33—Arrangements for noise damping
-
- 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
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Coils Of Transformers For General Uses (AREA)
Abstract
657,851. Transformers and inductances. BRITISH THOMSON-HOUSTON CO., Ltd, March 10, 1949, No. 6587. Convention date. March 13, 1948. [Class 38 (ii)] The laminated core of a transformer or inductance is clamped by a resilient sheet metal member wedged between the winding and core and having a pair of legs extending beyond the core edge for attaching the clamp and coil assembly to a supporting member. In a ballast unit for two discharge lamps the core 4 of an auto-transformer 2 formed of E and I laminations is clamped by a pair of crimped sheet metal members 13 wedged between the coil 3 and core 4 and each choke 1 comprises a winding 8 on the centre leg of an E-shaped core 10 clamped by a pair of E- shaped sheet metal members 14 crimped across the centre leg and the back limb with the outer legs 15 of the E extended beyond the core and eventually welded to the outer laminations of the transformer core when the required gap between the cores of the auto-transformer and choke is obtained which gap may be filled with a cement. The clamps may be formed from lamination steel.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US657851XA | 1948-03-13 | 1948-03-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB657851A true GB657851A (en) | 1951-09-26 |
Family
ID=22065084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB6587/49A Expired GB657851A (en) | 1948-03-13 | 1949-03-10 | Improvements in and relating to clamping means for laminated cores of electric induction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB657851A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3603364A1 (en) * | 1985-02-19 | 1986-08-21 | Cebora S.p.A., Cadriano di Granarolo Emilia, Bologna | TOTAL TRANSFORMER IMPEDANCE, ESPECIALLY FOR ELECTRICAL WELDING MACHINES LIKE ELECTRICAL WIRE WELDING MACHINES |
-
1949
- 1949-03-10 GB GB6587/49A patent/GB657851A/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3603364A1 (en) * | 1985-02-19 | 1986-08-21 | Cebora S.p.A., Cadriano di Granarolo Emilia, Bologna | TOTAL TRANSFORMER IMPEDANCE, ESPECIALLY FOR ELECTRICAL WELDING MACHINES LIKE ELECTRICAL WIRE WELDING MACHINES |
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