Number | Name | Date | Kind |
---|---|---|---|
4891818 | Levatter | Jan 1990 | |
4959840 | Akins et al. | Sep 1990 | |
5023884 | Akins et al. | Jun 1991 | |
5727011 | Choo et al. | Mar 1998 | |
5770933 | Larson et al. | Jun 1998 |
Entry |
---|
O'Connor, Leo, "Active Magnetic Bearings Give Systems A Lift", Mechanical Engineering, Jul. 1992, vol. 114, No. 7, pp. 52-57. |
"A bearing that won't wear out? New design gives engineers a taste of the future--and a way to eliminate friction", Jun. 1992, p. 24 �No Journal Name!. |
McCarty, Lyle H., "Hybrid Designs Lightens Magnetic Bearings", Design News, Jun. 11, 1990, vol. 46, pp. 156-157. |
Leovy, Jill, "Putting a New Spin on Machinery of Future", Los Angeles Times, Nov. 1, 1994, p. 4. |