JPS57143811A - Series/parallel switching coil for induction equipment - Google Patents
Series/parallel switching coil for induction equipmentInfo
- Publication number
- JPS57143811A JPS57143811A JP2951781A JP2951781A JPS57143811A JP S57143811 A JPS57143811 A JP S57143811A JP 2951781 A JP2951781 A JP 2951781A JP 2951781 A JP2951781 A JP 2951781A JP S57143811 A JPS57143811 A JP S57143811A
- Authority
- JP
- Japan
- Prior art keywords
- strands
- coil
- plural number
- parallel
- conductors
- 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.)
- Granted
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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/2871—Pancake coils
Abstract
PURPOSE:To make products smaller in size by a construction wherein two sets of conductors, each of which consists of a plural number of strands connected in series are wound into a coil having each layer in such arrangement as only two strands are arranged in the direction of the winding axis and a plural number of strands are stacked in the direction of the radius of the coil. Only one solid winding is on each iron core leg. CONSTITUTION:Two sets of conductors 72, 73, each of which consists of two strands 71 in parallel as a and b or c and d are wound into two layers of helical coils. Each layer is arranged in such a way as two strands 71 are arranged in the direction of the winding axis and a plural number of strands are stacked in the direction of the radius of the coil at any point. Insulating spacers 74 are provided to isolate each set of strands in parallel in the direction of the axis. A set of four strands a, b, c and d which constitute the layers of the coil is turned over every one turn or a plural number of turns by 90 degrees so that the strands in parallel can have uniform value of impedance. Such a feature can reduce a number of compensating pieces at coil ends so as to allow the products to be smaller in size, and besides extremely good coupling between both conductors can be maintained so that potential difference between both can be reduced.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2951781A JPS57143811A (en) | 1981-03-02 | 1981-03-02 | Series/parallel switching coil for induction equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2951781A JPS57143811A (en) | 1981-03-02 | 1981-03-02 | Series/parallel switching coil for induction equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57143811A true JPS57143811A (en) | 1982-09-06 |
| JPS6326526B2 JPS6326526B2 (en) | 1988-05-30 |
Family
ID=12278283
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2951781A Granted JPS57143811A (en) | 1981-03-02 | 1981-03-02 | Series/parallel switching coil for induction equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57143811A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8285629B2 (en) | 2007-11-15 | 2012-10-09 | Cfph, Llc | Trading system products and processes |
| US10121199B1 (en) | 2017-06-23 | 2018-11-06 | Cfph, Llc | Distributed trading network and interface |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4517610Y1 (en) * | 1965-07-20 | 1970-07-20 |
-
1981
- 1981-03-02 JP JP2951781A patent/JPS57143811A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4517610Y1 (en) * | 1965-07-20 | 1970-07-20 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6326526B2 (en) | 1988-05-30 |
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