IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
US-0932215
(2004-08-31)
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발명자
/ 주소 |
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출원인 / 주소 |
- Rockwell Scientific Licensing, LLC
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대리인 / 주소 |
Koppel, Jacobs, Patrick &
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인용정보 |
피인용 횟수 :
3 인용 특허 :
19 |
초록
▼
A mechanical translator includes at least one magnet that is disposed on a substrate to carry a load and has a magnetic axis generally transverse to the substrate, establishing a magnetic field with maximum external density adjacent the substrate. An ultra low friction interface is obtained with fer
A mechanical translator includes at least one magnet that is disposed on a substrate to carry a load and has a magnetic axis generally transverse to the substrate, establishing a magnetic field with maximum external density adjacent the substrate. An ultra low friction interface is obtained with ferrofluid bearings, such as a light mineral oil medium mixed with isoparaffinic acid, which establish a critical angle of displacement from a horizontal static position of less than 1 degree, and preferably less than 10 minutes. A controller of magnetic material can be placed on the opposite side of the substrate to control the movement of the magnets.
대표청구항
▼
1. A mechanical translator, comprising:a generally flat substrate, at least one magnet disposed for movement on said substrate, each said magnet arranged to carry a load and having a magnetic axis generally transverse to said substrate, with a surface of each said magnet facing said substrate, and a
1. A mechanical translator, comprising:a generally flat substrate, at least one magnet disposed for movement on said substrate, each said magnet arranged to carry a load and having a magnetic axis generally transverse to said substrate, with a surface of each said magnet facing said substrate, and a ferrofluid concentrated between each said magnet and said substrate, said ferrofluid extending across and in direct contact with each said magnet surface to provide a low friction area support for each said magnet to translate across said substrate. 2. The mechanical translator of claim 1, further comprising a controller of magnetic material on the opposite side of said substrate from each said magnet, said controller controlling the movement of each said magnet.3. The mechanical translator of claim 2, said substrate comprising a portion of an enclosure, with each said magnet inside and said controller outside said enclosure.4. The mechanical translator of claim 1, wherein said substrate is substantially horizontal.5. The mechanical translator of claim 4, wherein each said magnet is arranged to support a load generally perpendicular to said substrate.6. A mechanical translator, comprising:a generally flat substrate, at least one magnet disposed for movement with respect to said substrate with a surface of each said magnet facing said substrate, each said magnet arranged to carry a load and establishing a magnetic field which has its maximum external density adjacent said substrate, and a ferrofluid concentrated between each said magnet and said substrate, said ferrofluid extending across and in direct contact with each said magnet surface to provide a low friction area support for each said magnet to translate across said substrate. 7. The mechanical translator of claim 6, further comprising a controller of magnetic material on the opposite side of said substrate from each said magnet, said controller controlling the movement of each said magnet.8. The mechanical translator of claim 7, said substrate comprising a portion of an enclosure, with each said magnet inside and said controller outside said enclosure.9. The mechanical translator of claim 6, wherein said substrate is substantially horizontal.10. The mechanical translator of claim 9, wherein each said magnet is arranged to support a load generally perpendicular to said substrate.11. A mechanical translator, comprising:a substantially horizontal substrate, at least one magnet disposed for movement on said substrate, each said magnet arranged to carry a load and having a magnetic axis generally transverse to said substrate, with a surface of each said magnet facing said substrate, and a ferrofluid concentrated between each said magnet and said substrate, said ferrofluid extending across and in direct contact with each said magnet surface to provide a low friction area support for each said magnet to translate across said substrate. 12. The mechanical translator of claim 11, further comprising a controller of magnetic material on the opposite side of said substrate from each said magnet, said controller controlling the movement of each said magnet.13. The mechanical translator of claim 12, said substrate comprising a portion of an enclosure, with each said magnet inside and said controller outside said enclosure.14. The mechanical translator of claim 11, wherein each said magnet is arranged to support a load generally perpendicular to said substrate.15. A mechanical translator, comprising:a substantially horizontal substrate, at least one magnet disposed for movement with respect to said substrate with a surface of each said magnet facing said substrate, each said magnet arranged to carry a load and establishing a magnetic field which has its maximum external density adjacent said substrate, and a ferrofluid concentrated between each said magnet and said substrate, said ferrofluid extending across and in direct contact with each said magnet surface to provide a low friction area support for each said magnet to translate across said substrate. 16. The mechanical translator of claim 15, further comprising a controller of magnetic material on the opposite side of said substrate from each said magnet, said controller controlling the movement of each said magnet.17. The mechanical translator of claim 16, said substrate comprising a portion of an enclosure, with each said magnet inside and said controller outside said enclosure.18. The mechanical translator of claim 15, wherein each said magnet is arranged to support a load generally perpendicular to said substrate.19. A mechanical translator, comprising:a substrate, at least one magnet disposed for movement on said substrate, each said magnet arrayed to carry a load generally perpendicular to said substrate and having a magnetic axis generally transverse to said substrate, with a surface of each said magnet facing said substrate, and a ferrofluid concentrated between each said magnet and said substrate, said ferrofluid extending across and in direct contact with each said magnet surface to provide a low friction area support for each said magnet to translate across said substrate. 20. The mechanical translator of claim 19, further comprising a controller of magnetic material on the opposite side of said substrate from each said magnet, said controller controlling the movement of each said magnet.21. The mechanical translator of claim 20, said substrate comprising a portion of an enclosure, with each said magnet inside and said controller outside said enclosure.22. A mechanical translator comprising:a substrate, at least one magnet disposed for movement with respect to said substrate with a surface of each said magnet facing said substrate, each said magnet arrayed to carry a load generally perpendicular to said substrate and establishing a magnetic field which has its maximum external density adjacent said substrate, and a ferrofluid concentrated between each said magnet and said substrate, said ferrofluid extending across and in direct contact with each said magnet surface to provide a low friction area support for each said magnet to translate across said substrate. 23. The mechanical translator of claim 22, further comprising a controller of magnetic material on the opposite side of said substrate from each said magnet, said controller controlling the movement of each said magnet.24. The mechanical translator of claim 23, said substrate comprising a portion of an enclosure, with each said magnet inside and said controller outside said enclosure.
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