GB173291A - Improvements in electric resistances - Google Patents
Improvements in electric resistancesInfo
- Publication number
- GB173291A GB173291A GB2694420A GB2694420A GB173291A GB 173291 A GB173291 A GB 173291A GB 2694420 A GB2694420 A GB 2694420A GB 2694420 A GB2694420 A GB 2694420A GB 173291 A GB173291 A GB 173291A
- Authority
- GB
- United Kingdom
- Prior art keywords
- plates
- grid
- secured
- terminals
- wires
- 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
- H01C—RESISTORS
- H01C3/00—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids
- H01C3/10—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration
- H01C3/12—Non-adjustable metal resistors made of wire or ribbon, e.g. coiled, woven or formed as grids the resistive element having zig-zag or sinusoidal configuration lying in one plane
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Details Of Resistors (AREA)
Abstract
173,291. Crompton & Co., Ltd., and Jones, W. F. Sept. 22, 1920. Wire and ribbon resistances, embedded.-Non- inductive resistances wound as described in Specification 130,137, [Class 83 (iv), Metals, Working], are embedded in insulating and refractory cement and are clamped between flat metal plates which are coated on their inner sides with silicate enamel and are riveted or bolted together. The cement may be composed of four parts ground steatite, one part ground silica quartz, and oneseventh part asbestos wool, mixed to a thick paste with silicate or soda and water at a sp. gr. of 1.24. Fig. 1 shows a rectangular grid resistance, and Figs. 4 and 5 show a circular grid resistance arranged as a rheostat, the metal plates B, C being connected together in each case by rivets D. The ends of the grid wires A, Fig. 1, may be secured to metal terminals E preferably by silver solder. The plates B, C are cut away as shown at GG where the terminals E protrude, and insulation HH e.g. of mica is inserted. Alternatively, the ends of wires A are secured to terminal wire loops K, L, Fig. 14, each passing through an insulating bead M supported in a bellmouthed portion of the plates B, C. The grid, Fig. 1, may be supported by insulated rods at F, on which they are retained in position by pivoted clamps G, Figs. 1 and 17, having their free ends J bent inwards to grip the plates B, C. For connecting the ends R of the grid wires A of the rheostat, Fig. 4, to the contacts or terminals, the wire is passed along a groove P in the shank of the contact or terminal and is secured by a nut S, Fig. 7, or by a screw clamp T, Fig. 9.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2694420A GB173291A (en) | 1920-09-22 | 1920-09-22 | Improvements in electric resistances |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2694420A GB173291A (en) | 1920-09-22 | 1920-09-22 | Improvements in electric resistances |
Publications (1)
Publication Number | Publication Date |
---|---|
GB173291A true GB173291A (en) | 1921-12-22 |
Family
ID=10251658
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB2694420A Expired GB173291A (en) | 1920-09-22 | 1920-09-22 | Improvements in electric resistances |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB173291A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014504001A (en) * | 2010-12-03 | 2014-02-13 | ヴィシャイ エレクトロニック ゲーエムベーハー | Power resistor |
-
1920
- 1920-09-22 GB GB2694420A patent/GB173291A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014504001A (en) * | 2010-12-03 | 2014-02-13 | ヴィシャイ エレクトロニック ゲーエムベーハー | Power resistor |
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