US3983438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spark gap switch
Assignee: Xonics Inc
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Filing: 1975-08-21
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Granted: 1976-09-28
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Expires: 1995-08-21
Abstract
Abstract A spark gap switch having a central electrode positioned within an annular electrode in a dielectric liquid or saturated vapor flow line, with coaxial or parallel plate electrical connections to said electrodes.
Inventors
- 👤 Jeffrey I. Levatter
- 👤 Shao-Chi Lin
- 👤 Paul B. Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 11:54
CPC Classifications
H; H01; H01T; H01T1/00
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
117 words
In a spark gap switch, the combination of: a first central electrode; a second annular electrode; a first fluid line; a second fluid line; a first electrical conducting frame, with said first electrode and fluid line mounted therein for fluid flow through said line about said electrode; a second electrical conducting frame, with said second electrode and fluid line mounted therein for fluid flow through said line and electrode; an electrical insulator; means for mounting said insulator between said first and second frames in fluid sealing relation, with said first electrode positioned within said second electrode, and with said insulator defining a fluid flow path between said lines; and means for connecting a voltage across said electrodes.
Claim 2
Dependent Claim
117 words
In a spark gap switch, the combination of: a first central electrode; a second annular electrode; a first fluid line; a second fluid line; a first electrical conducting frame, with said first electrode and fluid line mounted therein for fluid flow through said line about said electrode; a second electrical conducting frame, with said second electrode and fluid line mounted therein for fluid flow through said line and electrode; an electrical insulator; means for mounting said insulator between said first and second frames in fluid sealing relation, with said first electrode positioned within said second electrode, and with said insulator defining a fluid flow path between said lines; and means for connecting a voltage across said electrodes.
Claim 3
Dependent Claim
29 words
A spark gap switch as defined in claim 1 wherein said means for connecting includes first and second coaxial electrical conductors joined to said first and second frames respectively.
Claim 4
Dependent Claim
35 words
A spark gap switch as defined in claim 1 wherein said first and second lines are in axial alignment at said frames, with the aperture of said second electrode less than that of said lines.
Claim 5
Dependent Claim
30 words
A spark gap switch as defined in claim 3 wherein the flow path of said insulator is tapered providing a transition between the fluid line and the annular electrode aperature.
Claim 6
Dependent Claim
38 words
A spark gap switch as defined in claim 1 wherein said first central electrode has a tapered end positioned in said second annular electrode, and including means for moving said first electrode axially relative to said second electrode.
Claim 7
Dependent Claim
47 words
A spark gap switch as defined in claim 1 wherein said first central electrode is mounted within said first line and has a tapered end positioned in said second annular electrode, and including means for moving said first electrode and line axially relative to said second electrode.
Claim 8
Dependent Claim
40 words
A spark gap switch as defined in claim 6 wherein said means for moving includes interengaging threads on said first line and frame, with said line rotatable relative to said frame to advance said first electrode in said second electrode.
Claim 9
Dependent Claim
26 words
A spark gap switch as defined in claim 1 including means for moving a dielectric fluid about said first electrode through said lines and second electrode.
Claim 10
Dependent Claim
17 words
A spark gap switch as defined in claim 8 wherein said dielectric fluid is a liquid dielectric.
Claim 11
Dependent Claim
35 words
A spark gap switch as defined in claim 1 including means for moving a dielectric fluid in through said first line about said first electrode through said second electrode and out through said second line.
Claim 12
Dependent Claim
67 words
A spark gap switch as defined in claim 1 wherein said first line includes a first section of smaller internal cross section area and a second section of larger internal cross section area with a third transition section therebetween, and means for mounting said first electrode in said second section of said first line and projecting from said first line through said insulator into said second electrode.
Claim 13
Dependent Claim
52 words
A spark gap switch as defined in claim 1 wherein said means for connecting includes first and second coaxial electrical conductors joined to said first and second frames respectively, with said second conductor positioned about said second line and with said first conductor positioned concentrically about and spaced from said second conductor.
Claim 14
Dependent Claim
29 words
A spark gap switch as defined in claim 1 wherein said means for connecting includes first and second parallel electrical conductors joined to said first and second frames respectively.
Claim 15
Dependent Claim
22 words
A spark gap switch as defined in claim 1 including means for inducing a vortical motion in the flow between said electrodes.
Claim 16
Dependent Claim
47 words
A spark gap switch as defined in claim 1 including: means for introducing a dielectric vapor under pressure into one of said fluid lines for flow between said electrodes; and cooler means connected to the other of said fluid lines for condensing said vapor into a liquid.
Claim 17
Dependent Claim
33 words
A spark gap switch as defined in claim 1 including a throttling valve connected in the fluid line upstream of the gap between the electrodes for control of fluid flow through said gap.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-09-28 | 1980-03-29 | 1980-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-09-28 | 1984-03-29 | 1984-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-09-28 | 1988-03-29 | 1988-09-28 | $7700.00 | Window Closed / Lapsed |