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Home › Speed or torque control circuit for an electronically commutated motor (ECM) and method of controlling the torque or speed of an ECM

Speed or torque control circuit for an electronically commutated motor (ECM) and method of controlling the torque or speed of an ECM

US Patent 4500821 · Granted Feb 19, 1985

Estimated economic value: $4,667,000 ⓘ

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