US1314152A - Spark-gap apparatus - Google Patents
Spark-gap apparatus Download PDFInfo
- Publication number
- US1314152A US1314152A US1314152DA US1314152A US 1314152 A US1314152 A US 1314152A US 1314152D A US1314152D A US 1314152DA US 1314152 A US1314152 A US 1314152A
- Authority
- US
- United States
- Prior art keywords
- spark
- support
- disks
- gap
- gap apparatus
- 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 - Lifetime
Links
- 230000002093 peripheral Effects 0.000 description 12
- 239000010445 mica Substances 0.000 description 8
- 229910052618 mica group Inorganic materials 0.000 description 8
- 239000011810 insulating material Substances 0.000 description 6
- 239000000463 material Substances 0.000 description 4
- 230000000171 quenching Effects 0.000 description 4
- 238000010791 quenching Methods 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 2
- 230000001419 dependent Effects 0.000 description 2
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/42—Mounting, supporting, spacing, or insulating of electrodes or of electrode assemblies
Description
K. SCHMIDT.
SPARK GAP APPARATUS.
APPLICAIION FILED APR.25,19I8.
1 ,3 1 4, 1 52 Patented Aug. 26, 1919.
5V A'ITD NE/S UNITED STATES PATENT OFFICE.
KARL SCHMIDT, OF STUTTGART, GERMANY, ASSIGNOR, BY MESNE ASSIGNMENTS, TO AMERICAN BOSCH MAGNETO CORPORATION, OF NEW YORK, N. Y., A CORPORATION OF NEW YORK.
SPARK-GA]? APPARATUS.
Specification of Letters Patent.
Patented Aug. 26, 1919.
Application filed April 25, 1918. Serial No. 230,840.
To all whom it may concern Be it known that I, KARL Scrimmage subject of the German Emperor, residing at and whose post-office address is Stuttgart, Hoferstrasse 2, Germany, have invented certain new and useful Improvements in Spark-Ga Apparatus; and I do hereby declare the to lowing to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains to make and use the same.
My invention relates to spark gaps and more especially to quenching spark gaps such as used in the charging stations for sounding sparks.
Heretofore the electrodes employed in such stations usually had the form of plates or rings of a material of superior heat con ductivity, two such plates or rings facing each other in a parallel position at a very small distance apart. In order to keep this distance constant, layers of mica disks or rings were inserted between the electrodes. It has proved difficult, however, to keep the electrodes parallel for a long time. as owing to the rise of temperature they become warped so that the distance between them is changed in some places and the quenching efi'ect greatly reduced. If mica rings are inserted between the electrodes, the material must be selected with the greatest care as besides the great electrical stress placed on it the mica has also to withstand high temperatures. In consequence thereof the mica rings are frequently damaged, the cost of maintenance is increased and the security of service is reduced accordingly.
In the spark gap according to the presentinvention the electrode surfaces are kept in a position parallel to each other in spite of the rise in temperature. To this end flanged or cup shaped electrode disks of different diameters are employed, the flange of the larger disk encircling the flange of the smaller disk. so that the two substantially cylindrical electrode surfaces are separated by a small annular gap. The distance between two such surfaces can easily be kept unaltered by turning them carefully on the lathe.
In the drawings affixed to this specification and forming part thereof the preferred form of a spark gap according to the present invention i shown. a and b are the disk shaped electrodes of different diameter mounted centrally on the support or rod w, 9 and It are the annular flanges overlapping each other, and f is the annular gap separating them. i is an insulating piece serving to keep the disks apart. However, as the width of the gap f is not dependent upon the thickness of the insulating piece 2', this latter need not be dimensioned with special care.
By disposing a plurality of such pairs of disks on the rod w of insulating material, a compound spark gap is formed.
I claim:
1. In spark gap apparatus, a support, two disks mounted on the support and having telcscoped peripheral flanges providing a gap thercbetwcen, and means for insulating said disks from each other.
2. In spark gap apparatus, a support, a disk mounted on said support and having a peripheral flange, a second disk mounted on said support and having a peripheral flange surrounding the other flange to provide a gap thcrebetween, and insulating material mounted on said support between the disks.
In spark gap apparatus. a support, two disks mounted centrally on the support and having telescoped concentric peripheral flanges providing an annular gap therebctween, and means for insulating said disks from each other.
4. In spark gap apparatus, a support, a disk mounted centrally on the support and having a peripheral flange, a second disk mounted centrally on said support and having a peripheral flange concentrically surrounding the other flange to provide an annular gap thcrebctween, and insulating material mounted on said support between the disks.
In testimony whereof I ailix my signature in presence of two witnesses.
KARL SCHMIDT;
Witnesses:
AnoLr Imurmnz, FREDERICK HERMANN.
Publications (1)
Publication Number | Publication Date |
---|---|
US1314152A true US1314152A (en) | 1919-08-26 |
Family
ID=3381644
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US1314152D Expired - Lifetime US1314152A (en) | Spark-gap apparatus |
Country Status (1)
Country | Link |
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US (1) | US1314152A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3290542A (en) * | 1963-07-26 | 1966-12-06 | Gen Electric | Triggered vacuum discharge device |
US3854068A (en) * | 1973-12-26 | 1974-12-10 | Gen Electric | Shield structure for vacuum arc discharge devices |
-
0
- US US1314152D patent/US1314152A/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3290542A (en) * | 1963-07-26 | 1966-12-06 | Gen Electric | Triggered vacuum discharge device |
US3854068A (en) * | 1973-12-26 | 1974-12-10 | Gen Electric | Shield structure for vacuum arc discharge devices |
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