WO1996008831B1 - Improved permanent magnet design for high-speed superconducting bearings - Google Patents
Improved permanent magnet design for high-speed superconducting bearingsInfo
- Publication number
- WO1996008831B1 WO1996008831B1 PCT/US1995/012025 US9512025W WO9608831B1 WO 1996008831 B1 WO1996008831 B1 WO 1996008831B1 US 9512025 W US9512025 W US 9512025W WO 9608831 B1 WO9608831 B1 WO 9608831B1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- permanent magnet
- bearing
- concentric bands
- amendments
- amendment
- Prior art date
Links
- 229910000831 Steel Inorganic materials 0.000 claims 2
- 230000000875 corresponding Effects 0.000 claims 2
- 239000010959 steel Substances 0.000 claims 2
- 239000002131 composite material Substances 0.000 claims 1
Abstract
A high temperature superconducting bearing including a permanent magnet rotor levitated by a high temperature superconducting structure. The rotor preferably comprises a plurality of concentric permanent magnet rings coupled to permanent magnet ring structures having substantially triangular and quadrangular cross sections. Both alternating and single direction polarity magnet structures can be used in the bearing.
Claims
AMENDED CLAIMS
[received by the International Bureau on 16 April 1996 (16.04.96); original claims 15-25 cancelled; original claims 11-14 amended; remaining claims unchanged (1 page)] quadrangular cross-section and comprising a plurality of substantially square structures and a plurality of substantially triangular structures.
9. The bearing as defined in Claim 8, wherein at least one of said first permanent magnet ring structures and said second permanent magnet ring structure comprises permanent magnet structures abutting concentric bands.
10. The bearing as defined in Claim 8, further including concentric bands abutting said permanent magnet rings.
11. The bearing as defined in claim 10, wherein said concentric bands are dimensioned to compress said permanent magnet rings.
12. The bearing as defined in claim 10, wherein said concentric bands comprise a composite material.
13. The bearing as defined in claim 10, wherein said concentric bands comprise steel.
14. The bearing as defined in claim 10, wherein said concentric bands comprise a plurality of steel wires.
14
STATEMENT UNDER ARTICLE 19
Responsive to the International Search Report dated 29 February 1996, Applicant submits amendments to the abstract, specification, and claims under Article 19 and pursuant to Rule 46. Consideration and entry of the amendments is respectfully requested.
The amendments presented herewith are intended to parallel those to be made to the abstract, specification, and claims of the corresponding United States application. Claims 1-10 remain unchanged. Claims 11-14 have been replaced by amended claims bearing the same respective numbers.
The amendment presented herewith does not introduce new matter. The amendment is fully supported by the specification originally filed as part of the application.
Applicant has reviewed the International Search Report before preparing the present amendment. The documents cited in the report are also cited in the corresponding United States prosecution. The claim amendment is believed to clarify and patentably distinguish the Applicant's invention over the referenced documents.
Please refer to the accompanying letter, as required under Rule 46.5(a), for an explanation as to the abstract, specification, and claim amendments and replacement sheets hereby filed.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8510412A JPH10507809A (en) | 1994-09-08 | 1995-09-07 | Improved permanent magnet design for high-speed superconducting bearings |
| EP95933182A EP0780020A4 (en) | 1994-09-08 | 1995-09-07 | Improved permanent magnet design for high-speed superconducting bearings |
| AU35942/95A AU3594295A (en) | 1994-09-08 | 1995-09-07 | Improved permanent magnet design for high-speed superconducting bearings |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US08/303,017 | 1994-09-08 | ||
| US08/303,017 US5554583A (en) | 1994-09-08 | 1994-09-08 | Permanent magnet design for high-speed superconducting bearings |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| WO1996008831A2 WO1996008831A2 (en) | 1996-03-21 |
| WO1996008831A3 WO1996008831A3 (en) | 1996-04-18 |
| WO1996008831B1 true WO1996008831B1 (en) | 1996-07-11 |
Family
ID=23170213
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/US1995/012025 WO1996008831A2 (en) | 1994-09-08 | 1995-09-07 | Improved permanent magnet design for high-speed superconducting bearings |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5554583A (en) |
| EP (1) | EP0780020A4 (en) |
| JP (1) | JPH10507809A (en) |
| CN (1) | CN1160453A (en) |
| AU (1) | AU3594295A (en) |
| WO (1) | WO1996008831A2 (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5747426A (en) * | 1995-06-07 | 1998-05-05 | Commonwealth Research Corporation | High performance magnetic bearing systems using high temperature superconductors |
| US6079267A (en) * | 1998-11-06 | 2000-06-27 | The United States Of America As Represented By The United States Department Of Energy | Method and apparatus for measuring gravitational acceleration utilizing a high temperature superconducting bearing |
| EP1173883B1 (en) * | 1999-04-27 | 2003-10-01 | Gebrüder Decker GmbH & Co. Kg | Device for treating silicon wafers |
| CN102027227A (en) * | 2008-04-17 | 2011-04-20 | 森克罗尼公司 | High-speed permanent magnet motor and generator with low-loss metal rotor |
| MX2010011348A (en) | 2008-04-18 | 2011-05-23 | Synchrony Inc | Magnetic thrust bearing with integrated electronics. |
| US9583991B2 (en) | 2009-06-24 | 2017-02-28 | Synchrony, Inc. | Systems, devices, and/or methods for managing magnetic bearings |
| WO2011163456A1 (en) | 2010-06-23 | 2011-12-29 | Synchrony, Inc. | Split magnetic thrust bearing |
| US8922081B2 (en) * | 2012-04-03 | 2014-12-30 | The Boeing Company | Nested-rotor open-core flywheel |
| US9729025B2 (en) | 2012-04-03 | 2017-08-08 | The Boeing Company | Open-core flywheel architecture |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5330967A (en) * | 1990-07-17 | 1994-07-19 | Koyo Seiko Co., Ltd. | Superconducting bearing device stabilized by trapped flux |
| US5220232A (en) * | 1991-09-03 | 1993-06-15 | Allied Signal Aerospace | Stacked magnet superconducting bearing |
| US5196748A (en) * | 1991-09-03 | 1993-03-23 | Allied-Signal Inc. | Laminated magnetic structure for superconducting bearings |
-
1994
- 1994-09-08 US US08/303,017 patent/US5554583A/en not_active Expired - Fee Related
-
1995
- 1995-09-07 AU AU35942/95A patent/AU3594295A/en not_active Abandoned
- 1995-09-07 JP JP8510412A patent/JPH10507809A/en active Pending
- 1995-09-07 CN CN95195681A patent/CN1160453A/en active Pending
- 1995-09-07 EP EP95933182A patent/EP0780020A4/en not_active Withdrawn
- 1995-09-07 WO PCT/US1995/012025 patent/WO1996008831A2/en not_active Application Discontinuation
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