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IMI 7710
| 1979 | IMI 7700 Series |
| 1st brushless dc spindle motor |
Why it’s important While initially somewhat more expensive, the brushless dc spindle motor eliminated the need for ac power and belt/pulley mechanisms, thereby lowering costs, allowing smaller sizes and ultimately lower costs. By the end of the 1980’s all drives were announced with dc motors.
Discussion
Early (if not first) and perhaps last plastic base casting.
Additional information
US Patent 4,337,491, “Brushless DC Motor Assembly” jointly invented by IMI and Papst Motorwerken
IMI 7700 Series Data Sheets
tom94022 |
Latest page update: made by tom94022
, Mar 8 2008, 11:51 AM EST
(about this update
About This Update
Edited by tom94022
19 words added 3 words deleted view changes - complete history) |
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