FIELD: oil producing industry+ADs- lifting of oil from low-production rate wells. SUBSTANCE: proposed drive contains induction motor connected by V-belt drive with reduction gear, and electric motor starting device. Induction motor is made birotatory, and starting device contains reduction gear connecting stator with drum on which cable being connected with spring. EFFECT: increased starting torque of drive. 2 dwg
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Authors
Dates
2004-05-27—Published
2002-11-11—Filed