Patent US4580118A successfully refreshed from Google Patents.
US4580118A
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US
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Superconducting coil
Assignee: Mitsubishi Electric Corp
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Filing: 1985-02-12
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Granted: 1986-04-01
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Expires: 2005-02-12
Abstract
Abstract The superconducting coil comprises a high magnetic field inner section and a low magnetic field outer section disposed around the inner section. Both the inner and outer sections are forcedly cooled and extend over the entire axial length of the superconducting coil. The inner section for the high magnetic field has a layer-winding structure while the outer section for the low magnetic field has a pancake-winding structure.
Inventors
- 👤 Toshimi Kawamura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 03:56
CPC Classifications
H; H01; H01F; H01F6/00; H01F6/06; Y; Y10; Y10S; Y10S336/00; Y10S336/01; Y10S505/00; Y10S505/825; Y10S505/88; Y10S505/884; Y10S505/885
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
54 words
A superconducting coil comprising a high magnetic field inner section and a low magnetic field outer section disposed around said inner section, said inner and outer sections extending over the entire axial length of the superconducting coil, said inner section having a layer winding structure while said outer section has a pancake winding structure.
Claim 2
Dependent Claim
54 words
A superconducting coil comprising a high magnetic field inner section and a low magnetic field outer section disposed around said inner section, said inner and outer sections extending over the entire axial length of the superconducting coil, said inner section having a layer winding structure while said outer section has a pancake winding structure.
Claim 3
Dependent Claim
17 words
A superconducting coil as claimed in claim 1, wherein said superconducting coil is if a forced-cooling type.
Claim 4
Dependent Claim
63 words
A superconducting coil as claimed in claim 1, wherein said inner section has a plurality of layer-wound coil sections electrically connected to each other by a connector positioned at an axial end portion of said coil sections, and said outer section has a plurality of pancake coil sections electrically connected to each other by a connector assembly positioned at an outer radial end.
References Cited (Backward Citations)
US3129359A
Cited
US3283277A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-03-31 | 1989-09-30 | 1990-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-03-31 | 1993-09-30 | 1994-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-03-31 | 1997-09-30 | 1998-04-01 | $7700.00 | Window Closed / Lapsed |