US6608409B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
High temperature super-conducting rotor having a vacuum vessel and electromagnetic shield and an assembly method
Assignee: General Electric Co
•
Filing: 2001-05-15
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Granted: 2003-08-19
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Expires: 2021-05-15
Abstract
Abstract A rotor is disclosed for a super-conducting synchronous machine having: a rotor core; a super-conducting coil extending around at least a portion of the rotor core, the coil having coil side sections on opposite sides of the rotor core; a vacuum housing covering at least one of the coil side sections, and a conductive shield over the vacuum housing and coil side sections.
Inventors
- 👤 Yu Wang
- 👤 Konrad Roman Weeber
- 👤 Kiruba Sivasubramaniam
- 👤 Robert John Nygard
- 👤 Xianrui Huang
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:56
CPC Classifications
H; H02; H02K; H02K55/00; H02K55/02; H02K55/04; H02K3/00; H02K3/46; H02K3/04; H02K3/24; Y; Y02; Y02E; Y02E40/00; Y02E40/60; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49012
Claims Analysis
Total Claims: 26
Claim 1
Independent Claim
42 words
In a synchronous machine, a rotor comprising: a rotor core; a super-conducting coil mounted on said rotor core; a vacuum housing covering at least one of said coil side sections, and a conductive shield over said vacuum housing and coil side sections.
Claim 2
Dependent Claim
42 words
In a synchronous machine, a rotor comprising: a rotor core; a super-conducting coil mounted on said rotor core; a vacuum housing covering at least one of said coil side sections, and a conductive shield over said vacuum housing and coil side sections.
Claim 3
Dependent Claim
21 words
In a rotor as in claim 1 wherein said vacuum housing is a channel housing extending longitudinally along said rotor core.
Claim 4
Dependent Claim
19 words
In a rotor as in claim 1 wherein the conductive shield is formed of a copper alloy or aluminum.
Claim 5
Dependent Claim
42 words
In a rotor as in claim 1 further comprising a rotor end shaft having a collar and a slot in the collar, wherein the vacuum housing is sealed to the slot and an end section of the coil extends into the slot.
Claim 6
Dependent Claim
25 words
In a rotor as in claim 4 further comprising a vacuum around said coil and defined by the vacuum housing and slot in the collar.
Claim 7
Dependent Claim
51 words
In a rotor as in claim 1 further comprising a planar surface extending longitudinally across the rotor core, wherein one of said coil side sections is adjacent the planar surface, and said vacuum housing (straddles the one of said side sections, and the side section is sealed to the planer surface.
Claim 8
Dependent Claim
21 words
In a rotor as in claim 1 wherein the vacuum vessel is stainless steel, and the shield is a copper alloy.
Claim 9
Dependent Claim
20 words
In a rotor as in claim 1 further comprising a plurality of braces buttressing the vacuum housing and conductive shield.
Claim 10
Dependent Claim
89 words
A rotor comprising: a rotor core having an axis; an end shaft extending axially from an end of said core, wherein said end shaft has a slot adjacent the core end; a super-conducting rotor coil having at least one coil side parallel to the core axis and at least one coil end transverse to said core axis, wherein said coil end extends through said slot in the end shaft; a vacuum housing over said coil side and seal with said slot to define a vacuum region around said coil.
Claim 11
Dependent Claim
89 words
A rotor comprising: a rotor core having an axis; an end shaft extending axially from an end of said core, wherein said end shaft has a slot adjacent the core end; a super-conducting rotor coil having at least one coil side parallel to the core axis and at least one coil end transverse to said core axis, wherein said coil end extends through said slot in the end shaft; a vacuum housing over said coil side and seal with said slot to define a vacuum region around said coil.
Claim 12
Dependent Claim
15 words
A rotor as in claim 9 further comprising a conductive shield over said coil side.
Claim 13
Dependent Claim
30 words
A rotor as in claim 9 wherein said vacuum housing is a channel straddling said coil side and sealed to said rotor core on both sides of said coil side.
Claim 14
Dependent Claim
32 words
A rotor as in claim 11 wherein said vacuum housing comprises side-walls on either side of said coil side, and each side wall is sealed to a surface of the rotor core.
Claim 15
Dependent Claim
19 words
A rotor as in claim 12 wherein said surface of the rotor core is slotted to receive said side-walls.
Claim 16
Dependent Claim
19 words
A rotor as in claim 12 wherein said surface of said rotor core is planar adjacent said coil side.
Claim 17
Dependent Claim
22 words
A rotor as in claim 9 further comprising a plurality of braces adjacent said vacuum housing and attached to said rotor core.
Claim 18
Dependent Claim
15 words
A rotor as in claim 15 further comprising an electromagnetic shield (supported by said braces.
Claim 19
Dependent Claim
140 words
A rotor comprising: a rotor core having an axis; a pair of end shafts extending axially from opposite ends of said core, wherein said end shafts each have a slot adjacent the core end; a super-conducting rotor coil having at least one coil side section parallel to the core axis and adjacent opposite sides of said core, and said coil having coil end sections transverse to said core axis and adjacent the ends of said core, wherein said coil end sections each extend through one of said slots in the end shafts; a vacuum housing over each said coil side sections and having ends each being sealed to one of slots, and a vacuum region around said coil defined by said the slot in said pair of end shafts and the vacuum housing over each of said coil side sections.
Claim 20
Dependent Claim
140 words
A rotor comprising: a rotor core having an axis; a pair of end shafts extending axially from opposite ends of said core, wherein said end shafts each have a slot adjacent the core end; a super-conducting rotor coil having at least one coil side section parallel to the core axis and adjacent opposite sides of said core, and said coil having coil end sections transverse to said core axis and adjacent the ends of said core, wherein said coil end sections each extend through one of said slots in the end shafts; a vacuum housing over each said coil side sections and having ends each being sealed to one of slots, and a vacuum region around said coil defined by said the slot in said pair of end shafts and the vacuum housing over each of said coil side sections.
Claim 21
Dependent Claim
22 words
A rotor as in claim 17 further comprising a conductive shield over said coil side sections and overlapping with said end shafts.
Claim 22
Dependent Claim
15 words
A rotor as in claim 18 wherein said shield is a cylinder around said core.
Claim 23
Dependent Claim
18 words
A rotor as in claim 18 wherein said is formed partially by a top portion said vacuum housing.
Claim 24
Dependent Claim
30 words
A rotor as in claim 17 where in said shield is an arced strip extending a length of said core and extending only partially around a circumference of said core.
Claim 25
Dependent Claim
23 words
A rotor as in claim 21 wherein said arced strip and a second arced strip each cover one of said coil side sections.
Claim 26
Dependent Claim
25 words
A rotor as in claim 18 further comprising braces adjacent said vacuum housing, attached to a surface of said rotor core and supporting said shield.
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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) | 2006-08-18 | 2007-02-17 | 2007-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2010-08-18 | 2011-02-17 | 2011-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2014-08-18 | 2015-02-17 | 2015-08-19 | $7700.00 | Window Closed / Lapsed |