Number | Name | Date | Kind |
---|---|---|---|
3718406 | Onal | Feb 1973 | |
4057369 | Isenberg et al. | Nov 1977 | |
4579508 | Tsumaki et al. | Apr 1986 | |
4609332 | Miki et al. | Sep 1986 | |
4746265 | Luijten | May 1988 | |
4878813 | Miki | Nov 1989 | |
4929158 | Girault | May 1990 | |
4948348 | Doll et al. | Aug 1990 | |
5033936 | Shinojima | Jul 1991 | |
5059092 | Kabelitz et al. | Oct 1991 | |
5104284 | Hustak, Jr. et al. | Apr 1992 | |
5112202 | Oshima et al. | May 1992 | |
5126610 | Fremerey | Jun 1992 | |
5126612 | Girault | Jun 1992 | |
5127792 | Katsuta et al. | Jul 1992 | |
5158440 | Cooper et al. | Oct 1992 | |
5312225 | Lorenzen | May 1994 | |
5312226 | Miura et al. | May 1994 | |
5340272 | Fehlau | Aug 1994 |
Number | Date | Country |
---|---|---|
0355796 | Feb 1990 | EPX |
858196 | Dec 1952 | DEX |
897048 | Nov 1953 | DEX |
922807 | Jan 1955 | DEX |
3700153 | Jul 1987 | DEX |
1267392 | Oct 1989 | JPX |
0019694 | Jan 1990 | JPX |
2130655 | Jun 1984 | GBX |
Entry |
---|
International Search Report and Annex. |
Pumps, Pompes, Pumpen, No. 172, Jan. 1981, Morden GB, p. 22. |
Patent Abstracts of Japan, vol. 14, No. 271, (M-0983) 12 Jun. 1990 and 20 078 793 (EBARA) 19 Mar. 1990. |
Nelik et al., "Magnetic Bearings In Boiler Feed Pumps," ROMAG '91 Magnetic Bearing Conference, Mar. 1991, Washington, D.C. |
Marscher, et al., "Development Of An Active Magnetic Bearing For a 50 HP Motor PUmp," ROMAG '91 Magnetic Bearing Conference, Mar. 1991, Washington, D.C. |
Hanson et al., "Development of a Magnetic Bearing API Process Pump With a Canned Motor," Ninth International Pump User Symposium, Mar. 1992. |