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A DC motor is an electrical motor that uses direct current (DC) to produce mechanical force. The most common types rely on magnetic forces produced by currents in the coils. Nearly all types of DC motors have some internal mechanism, either electromechanical or electronic, to periodically change the direction of current in part of the motor.
Regal Rexnord Corporation is a manufacturer of electric motors and power transmission components headquartered in Milwaukee, Wisconsin.The company has manufacturing, sales, and service facilities throughout the United States, Canada, Mexico, Europe and Asia, with about 29,000 employees.
Sawyer motor; Scalar control; Series wound motor; Series-parallel switching; Servomotor; Shaded-pole motor; Shaft voltage; Single-molecule electric motor; Singly fed electric machine; Slip ring; Spacecraft electric propulsion; Specific fan power; Split-phase electric power; Stator; Stepper motor; Sub-Micro AC Drive; Superconducting electric ...
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American; built a 12-pole electric motor with segmental commutator. [7] [18] [20] US 910: 1840, Truman Cook American; built electric motor with a PM armature. [18] [20] US 1735: 1845, Paul-Gustav Froment: French, engineer and instrument maker; first of various motors; first motor translated linear "electromagnetic piston's" energy to wheel's ...
"The Blacksmith's Motor. Electricity, magnetism, and motion: A self-taught Vermonter pointed the direction for lighting the world." Mechanical Engineering, July 1999. Davenport's patent for the electric motor, issued in early 1837, Today in Technology History February 25 (direct link) Smalley and Davenport's shop
Frank J. Sprague developed the first successful DC motor (ca. 1886) by solving the problem of varying speed with load. Within a few years DC motors were used in electric street railways. [64] In 1888, a Serbian immigrant, Nikola Tesla, a former employee of Edison's, patented an AC induction motor and licensed it to the Westinghouse Corporation.