Five high-efficiency, variable-speed electronically controlled motors (ECM) are designed for residential and light commercial air-moving applications. The motors utilize advanced technologies to ...

Upgrades that included a constant-torque flux-vector variable-speed motor let a pre-1912 vintage stamping press handle modern production duties. The rebuilt press was refurbished with new ac-drive ...

Upgrades that included a constant torque flux vector variable-speed motor let a pre-1912-vintage stamping press handle modern production duties. The cast-iron press, salvaged for $80, weighed about ...