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 Title: |
US5773919:
Electron spiral toroid
[ Derwent Title ]
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| Country: |
US United States of America
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| Inventor: |
Seward, D. Clint; Acton, MA
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| Assignee: |
Electron Power Systems, Acton, MA
other patents from ELECTRON POWER SYSTEMS, INC. (813352) (approx. 1)
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| Published / Filed: |
1998-06-30
/ 1995-05-31
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| Application Number: |
US1995000455221
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| IPC Code: |
Advanced:
H02J 15/00;
H05H 1/12;
H05H 7/06;
Core:
H05H 1/02;
H05H 7/00;
more...
IPC-7:
H01J 17/26;
H01J 61/28;
H05H 11/00;
H05H 13/00;
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| ECLA Code: |
H02J15/00; H05H1/12; H05H7/06; Y02E30/12F;
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| U.S. Class: |
Current:
313/231.31;
313/062;
315/502;
315/504;
Original:
313/231.31;
313/062;
315/502;
315/504;
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| Field of Search: |
313/062,231.31
315/502,504
376/126,127,128,129,133,137,139
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| Priority Number: |
| 1995-05-31 |
US1995000455221 |
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| Abstract: |
Electrons are arranged so they circulate along a spiral path in a vacuum. The path has a hollow symmetrical shape which is defined by a surface of a toroid. The shape is controllable by a magnetic field and the electrons can be contained within the shape. A containing force can be created by external electromagnetic fields, ions within the vacuum, or by interactions between the orbiting electrons themselves. The contained electrons store energy for later retrieval.
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| Attorney, Agent or Firm: |
Hamilton, Brook, Smith & Reynolds, P.C. ;
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| Primary / Asst. Examiners: |
O'Shea, Sandra L.; Haynes, Mack
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| Maintenance Status: |
E2 Expired Check current status
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| INPADOC Legal Status: |
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Family Legal Status Report
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| Parent Case: |
RELATED U.S. APPLICATIONS
This is a continuation-in-part application of U.S. Ser. No. 07/996,752 filed on Dec. 24, 1992, which is a continuation-in-part application of U.S. Ser. No. 07/841,308 filed on Feb. 24, 1992 (now U.S. Pat. No. 5,175,466), which is a continuation application of U.S. Ser. No. 07/529,783 filed on May 25, 1990 (abandoned), which is a continuation application of U.S. Ser. No. 07/214,904 filed on Jun. 28, 1988 (abandoned), which is a continuation application of U.S. Ser. No. 06/914,629 filed on Oct. 2, 1986 (abandoned), the contents of which are incorporated herein by reference in their entirety.
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| Designated Country: |
AL AM AP AT AZ BB BG BR BY CH CZ DK EE FI GE HU IS KE KG KP KR KZ LK LR LS LT LU LV MD MG DE ES FR GB IT
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| Family: |
Show 16 known family members
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First Claim:
Show all 43 claims |
The invention claimed is:
1. A manufacture comprising a plurality of electrons circulating along a path having a hollow symmetrical shape defined by a surface of a toroid, the hollow symmetrical shape surrounding a hollow interior having a circular axis extending around a central axis of the toroid.
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| Background / Summary: |
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| Drawing Descriptions: |
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| Description: |
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| Forward References: |
Show 8 U.S. patent(s) that reference this one
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| Foreign References: |
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| Other Abstract Info: |
DERABS C93-027060
DERABS C97-034619
DERABS C97-076944
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| Other References: |
Chen, K.W., et al., "Compact toroidal energy storage device using a relativistically electron cloud densified by travelling magnetic waves (TMW), " Digest of Technical Papers of the 4th IEEE Pulsed Power Conference, pp. 518-521 (1983, Jun.).
Ono, M., et al., "Reflection at a metal surface in a magnetically controlled beam plasma discharge," 1989 International Conference on Plasma Physics, New Delhi, India, 3:997-1000 (1989).
Gilbert, S.L., et al., "Shell-Structure phase of magnetically confined strongly coupled plasmas," Physical Review Letters, 60(20):2022-2025, (16 May 1988).
(4 pages)
Cited by 9 patents
Radin et al., "Physics for Scientists and Engineers," (Prentice-Hall 1982), pp. 559-560.
Malmberg, J.H., et al., "Pure Electron Plasma, Liquid, and Crystal," Physical Review Letters, 39(21):1333-1336, (21 Nov. 1977).
(4 pages)
Cited by 8 patents
Hangst, J.S., et al., "Anomalous Schottky Signals from a Laser-Cooled Ion Beam," Physical Review Letters, 74(1):86-89, (2 Jan. 1995).
(4 pages)
Cited by 3 patents
[ISI abstract]
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