ES350746A1 - Hermetically Sealed Spark Gap Device - Google Patents
Hermetically Sealed Spark Gap DeviceInfo
- Publication number
- ES350746A1 ES350746A1 ES350746A ES350746A ES350746A1 ES 350746 A1 ES350746 A1 ES 350746A1 ES 350746 A ES350746 A ES 350746A ES 350746 A ES350746 A ES 350746A ES 350746 A1 ES350746 A1 ES 350746A1
- Authority
- ES
- Spain
- Prior art keywords
- electrodes
- edges
- gas
- hermetically sealed
- decrease
- 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
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
- H01T4/12—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel hermetically sealed
Landscapes
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Abstract
A hermetically sealed spark gap device comprises disc - shaped electrodes 1 having slightly spherical convex faces fixed at a minimum separation of 80-150Á with an effective surface area of a diameter at least 30 times said minimum distance, and a coating 5 of a hardened, initially liquid insulating material, e.g. synthetic resin, the device being filled with air or other gas at a pressure not substantially different from atmospheric pressure and the electrodes being of a material, e.g. pure Cu, which does not evolve any substantial amount of gas when discharges occur. A ring 2 of mica projects beyond the edges of the electrodes 1 to decrease the danger of flash-over around the ring, and leads 3 are secured to the electrodes by solder 4. Alternatively, electrodes with integral strip leads extending from the edges may be stamped from sheet material, the edges being bent away from each other (Figs. 2-4, not shown) to decrease the capacitance of the device. A single coating 5 may enclose a plurality of spark gaps (Fig. 5, not shown). The gas filling may be oxygen or hydrogen. The device may be used to protect cathode-ray tubes.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6702739A NL6702739A (en) | 1967-02-23 | 1967-02-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES350746A1 true ES350746A1 (en) | 1969-05-16 |
Family
ID=19799363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES350746A Expired ES350746A1 (en) | 1967-02-23 | 1968-02-21 | Hermetically Sealed Spark Gap Device |
Country Status (5)
| Country | Link |
|---|---|
| BE (1) | BE711118A (en) |
| ES (1) | ES350746A1 (en) |
| FR (1) | FR1554478A (en) |
| GB (1) | GB1161469A (en) |
| NL (1) | NL6702739A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5714794A (en) * | 1995-04-18 | 1998-02-03 | Hitachi Chemical Company, Ltd. | Electrostatic protective device |
| DE29702309U1 (en) * | 1997-01-31 | 1998-06-04 | Siemens AG, 80333 München | Gas-filled surge arrester with two cup-like electrodes |
-
1967
- 1967-02-23 NL NL6702739A patent/NL6702739A/xx unknown
-
1968
- 1968-02-20 GB GB825368A patent/GB1161469A/en not_active Expired
- 1968-02-21 BE BE711118D patent/BE711118A/xx unknown
- 1968-02-21 ES ES350746A patent/ES350746A1/en not_active Expired
- 1968-02-22 FR FR1554478D patent/FR1554478A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| BE711118A (en) | 1968-08-21 |
| NL6702739A (en) | 1968-08-26 |
| FR1554478A (en) | 1969-01-17 |
| GB1161469A (en) | 1969-08-13 |
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