US5142166A
Expired / Lapsed
US
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High voltage pulsed power source
Assignee: Science Research Laboratory
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Filing: 1991-10-16
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Granted: 1992-08-25
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Expires: 2011-10-16
Abstract
Abstract A high energy, high voltage pulsed power source is provided which is capable of operating at high repetition rates while not having significantly high voltages appearing at any point in the circuit except on the output line. This eliminates the need for Freon cooling the source, permitting conventional water cooling and/or air cooling techniques to be utilized, and also permits air to be used as a dielectric in the source. These advantages are achieved by commutating the voltage across a charged capacitor, using a solid state SCR or other suitable switching device, passing the resultant signal through at least one compressor stage, which reduces the pulse duration and increases the pulse voltage, and applying the output from the compressor in parallel to a primary winding on each of a plurality of transformer coils having a single wire passing therethrough. The output on the wire is equal to the compressor output voltage multiplied by the number of cores. Higher voltages may be obtained by connecting a number of the sources in series.
Inventors
- 👤 Daniel L. Birx
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:24
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/53; H03K3/57
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
128 words
A high voltage pulsed power source comprising means for storing a high voltage charge; nonlinear magnetic pulse compressor means; means for periodically applying the high voltage charge on said means for storing as a pulse input to said compressor means, the compressor means generating an output pulse of higher voltage Vo and shorter duration Do than each pulse input, there being an output pulse generated in response to each pulse input; N transformer cores, where N is an integer greater than one; a primary winding on each of said cores; an output wire passing through all of said cores; and means for applying output pulses from said compressor means in parallel to said primary windings, resulting in output pulses across said wire having a voltage of approximately NVo.
Claim 2
Dependent Claim
128 words
A high voltage pulsed power source comprising means for storing a high voltage charge; nonlinear magnetic pulse compressor means; means for periodically applying the high voltage charge on said means for storing as a pulse input to said compressor means, the compressor means generating an output pulse of higher voltage Vo and shorter duration Do than each pulse input, there being an output pulse generated in response to each pulse input; N transformer cores, where N is an integer greater than one; a primary winding on each of said cores; an output wire passing through all of said cores; and means for applying output pulses from said compressor means in parallel to said primary windings, resulting in output pulses across said wire having a voltage of approximately NVo.
Claim 3
Dependent Claim
18 words
A source as claimed in claim 1 wherein said means for periodically applying includes a solid state SCR.
Claim 4
Dependent Claim
16 words
A source as claimed in claim 1 wherein said means for storing is a capacitance means.
Claim 5
Dependent Claim
33 words
A source as claimed in claim 1 wherein said compressor means has at least one stage, each stage including a capacitor means and means for periodically outputting a charge stored on said capacitor.
Claim 6
Dependent Claim
17 words
A source as claimed in claim 4 wherein said means for periodically outputting is a saturable core.
Claim 7
Dependent Claim
14 words
A source as claimed in claim 4 wherein said compressor means has two stages.
Claim 8
Dependent Claim
23 words
A source as claimed in claim 4 wherein each of said capacitor means is formed of a plurality of capacitors connected in parallel.
Claim 9
Dependent Claim
25 words
A source as claimed in claim 1 wherein the primary winding on each of said transformer cores is a conductive shroud generally covering the core.
Claim 10
Dependent Claim
62 words
A source as claimed in claim 8 including means for applying said output pulses to one end of each shroud, means for applying a common potential to the opposite end of each shroud, means for electrically connecting said opposite ends, a coaxial output means, and means for connecting said output wire and said means for electrically connecting to said coaxial output means.
Claim 11
Dependent Claim
22 words
A source as claimed in claim 1 including a second one of said sources, and including means for series connecting said sources.
Claim 12
Dependent Claim
20 words
A source as claimed in claim 10 wherein a single output wire functions as the output wire for both sources
Claim 13
Dependent Claim
18 words
A source as claimed in claim 1 including means for cooling at least selected portions of said source.
Claim 14
Dependent Claim
33 words
A source as claimed in claim 12 wherein said means for cooling includes means for water cooling selected elements of the source, the selected elements being the ones which generate the most heat.
Claim 15
Dependent Claim
24 words
A source as claimed in claim 13 including means for air cooling at least the elements of said source which are not water cooled.
Claim 16
Dependent Claim
46 words
A source as claimed in claim 13 wherein said means for applying is an SCR, said compressor means includes saturable core means, and wherein the selected elements which are water cooled include at least one of said SCR, said saturable core means and said transformer cores.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1995-08-25 | 1996-02-24 | 1996-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1999-08-25 | 2000-02-24 | 2000-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2003-08-25 | 2004-02-24 | 2004-08-25 | $7700.00 | Window Closed / Lapsed |