Number | Date | Country | Kind |
---|---|---|---|
PE 6882 | Dec 1980 | AUX |
Number | Name | Date | Kind |
---|---|---|---|
1969981 | Janca | Aug 1934 | |
2267805 | Appleman | Dec 1941 | |
2341482 | Stephan | Feb 1944 | |
2813239 | La Cour | Nov 1957 | |
2896144 | Mollenberg | Jul 1959 | |
2941138 | Ramer | Jun 1960 | |
3111616 | Cantonwine | Nov 1963 | |
3207968 | King et al. | Sep 1965 | |
3233160 | Rawcliffe | Feb 1966 | |
3324371 | Stauffer | Jun 1967 | |
3463988 | Canadelli | Aug 1969 | |
3619748 | Eastham | Nov 1971 | |
3845553 | Fields | Nov 1974 |
Number | Date | Country |
---|---|---|
1957779 | Mar 1967 | DEX |
1538031 | Jun 1969 | DEX |
Entry |
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A. E. Fitzgerald, D. E. Higginbotham & A. Grabel, "Alternating-Current Motor Speed Control," Basic Electrical Engineering, 5th Ed., pp. 824-826 (McGraw-Hill Book Co., 1981). |
J. Rosenblatt and M. H. Friedman, "Speed Control of Induction Motors," Direct and Alternating Current Machinery, pp. 257-259 (New York City Community College 1963). |
J. Hindmarsh, Electrical Machines and Their Applications, Manchester College of Science and Technology. |