GB944272A - Improvements in or relating to electrical current and voltage controlling devices - Google Patents
Improvements in or relating to electrical current and voltage controlling devicesInfo
- Publication number
- GB944272A GB944272A GB1615759A GB1615759A GB944272A GB 944272 A GB944272 A GB 944272A GB 1615759 A GB1615759 A GB 1615759A GB 1615759 A GB1615759 A GB 1615759A GB 944272 A GB944272 A GB 944272A
- Authority
- GB
- United Kingdom
- Prior art keywords
- turns
- conductive
- insulation
- inductive device
- division
- 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
- H01F29/00—Variable transformers or inductances not covered by group H01F21/00
- H01F29/06—Variable transformers or inductances not covered by group H01F21/00 with current collector gliding or rolling on or along winding
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
944,272. Transformers. WAYNE KERR LABORATORIES Ltd. May 10, 1960 [May 12, 1959], No. 16157/59. Heading H1T. [Also in Division G1] A helical or spiral inductive device 30 (Fig. 2) having a movable contact 34 has turns connected to corresponding turns of a low leakage auxiliary transformer 37 to reduce flux leakage between the former turns. A conductive split cylinder 61 (Fig. 10) may be arranged outside the turns 60 of the inductive device and twin spring tapping brushes 62 may be mounted slidably on a conducting plate 64. If the device is wound spirally a flat radially divided conductive annular plate with overlapping ends separated by insulation may be placed adjacent to it. The turns 40 (Fig. 7) of the inductive device may be separated by nylon monofilament insulation 41 and an inner split conductive cylinder 42 may be provided. The device may have a core of magnetic dust or ferrite. The device may be formed from a conductor which is ribbed, grooved or formed in two parts to provide a guide track for the moving contacts. An impedance measuring system incorporating the device is described (see Division G1). Specification 944,273 is referred to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1615759A GB944272A (en) | 1959-05-12 | 1959-05-12 | Improvements in or relating to electrical current and voltage controlling devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB1615759A GB944272A (en) | 1959-05-12 | 1959-05-12 | Improvements in or relating to electrical current and voltage controlling devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB944272A true GB944272A (en) | 1963-12-11 |
Family
ID=10072194
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1615759A Expired GB944272A (en) | 1959-05-12 | 1959-05-12 | Improvements in or relating to electrical current and voltage controlling devices |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB944272A (en) |
-
1959
- 1959-05-12 GB GB1615759A patent/GB944272A/en not_active Expired
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